/**
 * Site CSS - Minimal Building Materials E-commerce
 *
 * Structure:
 * 1. CSS Variables (Design Tokens)
 * 2. Reset & Base
 * 3. Layout
 * 4. Components
 * 5. Pages
 * 6. Utilities
 * 7. Responsive
 */

/* ==========================================================================
   1. CSS Variables (Design Tokens)
   ========================================================================== */

:root {
    /* Colors - Minimal Palette */
    --color-primary: #2d5a4a;           /* Muted teal/green - main accent */
    --color-primary-hover: #234840;
    --color-primary-light: #e8f0ed;

    --color-text: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;

    --color-bg: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #f0f1f2;

    --color-border: #e5e5e5;
    --color-border-light: #f0f0f0;

    --color-success: #2d5a4a;
    --color-error: #c53030;
    --color-warning: #d69e2e;

    /* iOS Design System Colors */
    --ios-blue: #007AFF;
    --ios-green: #34C759;
    --ios-orange: #FF9500;
    --ios-red: #FF3B30;
    --ios-gray: #8E8E93;
    --ios-gray-2: #AEAEB2;
    --ios-gray-3: #C7C7CC;
    --ios-gray-4: #D1D1D6;
    --ios-gray-5: #E5E5EA;
    --ios-gray-6: #F2F2F7;

    /* iOS Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-bg-dark: rgba(0, 0, 0, 0.3);
    --glass-blur: blur(20px);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 2rem;      /* 32px */
    --font-size-4xl: 2.5rem;    /* 40px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */

    /* Layout */
    --container-max: 1200px;
    --container-padding: var(--space-4);

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-toast: 400;
}

/* ==========================================================================
   2. Reset & Base
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
}

ul,
ol {
    list-style: none;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    padding: var(--space-2) var(--space-4);
    z-index: var(--z-toast);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   3. Layout
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ==========================================================================
   4. Components
   ========================================================================== */

/* ---- Header / Navbar ---- */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}

.navbar {
    height: 64px;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

/* Search */
.search-form {
    flex: 1;
    max-width: 480px;
    display: flex;
    align-items: center;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    padding: 0 var(--space-4);
    transition: background var(--transition-fast);
}

.search-form:focus-within {
    background: var(--color-bg-tertiary);
}

.search-input {
    flex: 1;
    height: 40px;
    border: none;
    background: transparent;
    outline: none;
    color: var(--color-text);
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    padding: var(--space-2);
    transition: color var(--transition-fast);
}

.search-btn:hover {
    color: var(--color-text);
}

/* Navbar Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-icon:hover,
.nav-icon:focus {
    color: var(--color-text);
    background: var(--color-bg-secondary);
}

.cart-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: #fff;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-badge:empty,
.cart-badge[data-count="0"] {
    display: none;
}

.mobile-menu-toggle {
    display: none;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    z-index: var(--z-modal);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-inner {
    padding: var(--space-4);
}

.mobile-search-form {
    display: flex;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    margin-bottom: var(--space-4);
}

.mobile-search-input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: var(--font-size-base);
}

.mobile-search-btn {
    color: var(--color-text-secondary);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
}

.mobile-nav-link {
    padding: var(--space-4) 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    border-bottom: 1px solid var(--color-border-light);
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--color-primary);
}

.mobile-nav-sub {
    padding-left: var(--space-4);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-secondary);
}

/* Logo Image */
.logo-img {
    height: 36px;
    width: auto;
}

/* Desktop Nav Links */
.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--color-text);
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    width: auto;
    padding: 0 var(--space-2);
}

.lang-flag {
    font-size: 1.25rem;
    line-height: 1;
}

.lang-code {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-2);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.language-switcher:hover .lang-dropdown,
.lang-dropdown:focus-within {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown form {
    display: flex;
    flex-direction: column;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    text-align: left;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.lang-option .lang-flag {
    font-size: 1.1rem;
}

.lang-option:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.lang-option.active {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

/* Nav Phone */
.nav-phone {
    display: none;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.nav-phone:hover {
    color: var(--color-primary);
}

.phone-text {
    font-weight: var(--font-weight-medium);
}

/* Mobile Language Switcher */
.mobile-lang {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
    margin-top: var(--space-4);
}

.mobile-lang-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.mobile-lang-form {
    display: flex;
    gap: var(--space-2);
}

.mobile-lang-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-lang-btn:hover {
    background: var(--color-bg-tertiary);
}

.mobile-lang-btn.active {
    color: #fff;
    background: var(--color-primary);
}

/* Mobile Contact */
.mobile-contact {
    padding: var(--space-4) 0;
}

.mobile-phone {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

/* ---- Footer ---- */
.footer {
    background: var(--color-bg);
    padding: var(--space-12) 0 var(--space-8);
    margin-top: var(--space-16);
}

.footer-divider {
    height: 1px;
    background: var(--color-border);
    margin-bottom: var(--space-12);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-col-brand {
    padding-right: var(--space-4);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-3);
}

.footer-brand {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    display: block;
    margin-bottom: var(--space-2);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-secondary);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: #fff;
    background: var(--color-primary);
}

.footer-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-contact .contact-phone {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.footer-contact .contact-hours {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.footer-contact .contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact .contact-item a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-contact .contact-item a:hover {
    color: var(--color-primary);
}

.footer-contact .contact-address {
    align-items: flex-start;
}

.footer-bottom {
    margin-top: var(--space-12);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-bottom-links a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--color-primary);
}

.footer-bottom-links .separator {
    color: var(--color-border);
}

.footer-bottom-links .location {
    color: var(--color-text-muted);
}

/* ---- Buttons ---- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: var(--font-weight-medium);
    color: #fff;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    border-color: var(--color-text);
}

/* ---- Product Card ---- */
.product-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
}

.product-card-link {
    display: block;
}

.product-card-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.product-card-image .product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.product-card:hover .product-img {
    transform: scale(1.03);
}

.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.product-card-info {
    padding: var(--space-3) 0;
}

.product-price {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.product-category {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-top: var(--space-1);
    line-height: var(--line-height-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.product-card:hover .product-card-img {
    transform: scale(1.03);
}

.product-card-price {
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

.product-card-price .price-from {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin-right: 2px;
}

.product-card-price .price-value {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
}

.product-card-price .price-currency {
    margin-left: 2px;
    font-size: var(--font-size-xs);
}

.view-product-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.view-product-btn:hover {
    background: var(--color-primary);
    color: #fff;
}

.add-to-cart-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.add-to-cart-btn:hover {
    background: var(--color-primary);
    color: #fff;
}

/* ---- Products Grid ---- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.products-grid--small {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

/* ---- Cart Sidebar ---- */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.cart-overlay.open {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 400px;
    background: var(--color-bg);
    z-index: var(--z-modal);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    transform: translateX(0);
}

.cart-sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
    flex-shrink: 0;
}

.cart-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.cart-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.cart-close-btn:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4) var(--space-6);
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--color-text-muted);
    text-align: center;
}

.cart-empty svg {
    margin-bottom: var(--space-4);
}

.cart-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cart-item-price {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.cart-item-qty {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    padding: var(--space-1);
}

.cart-item-qty .qty-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.cart-item-qty .qty-btn:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.cart-item-qty .qty-value {
    min-width: 24px;
    text-align: center;
    font-size: var(--font-size-sm);
}

.cart-item-remove {
    align-self: flex-start;
    color: var(--color-text-muted);
    padding: var(--space-1);
    transition: color var(--transition-fast);
}

.cart-item-remove:hover {
    color: var(--color-error);
}

.cart-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

.cart-subtotal {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.subtotal-label {
    color: var(--color-text-secondary);
}

.subtotal-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

.checkout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    font-weight: var(--font-weight-medium);
    color: #fff;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.checkout-btn:hover {
    background: var(--color-primary-hover);
}

/* ---- Pagination ---- */
.pagination-nav {
    display: flex;
    justify-content: center;
    padding: var(--space-8) 0;
}

.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.page-item {
    display: flex;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.page-item.active .page-link {
    background: var(--color-primary);
    color: #fff;
}

.page-item.disabled .page-link {
    color: var(--color-text-muted);
    pointer-events: none;
}

.page-prev,
.page-next {
    padding: 0 var(--space-3);
}

/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-text);
    color: #fff;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    z-index: var(--z-toast);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   5. Pages
   ========================================================================== */

/* ---- Hero Banner ---- */
.hero-banner {
    position: relative;
    height: 60vh;
    min-height: 400px;
    max-height: 600px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-placeholder {
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    color: #fff;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
    opacity: 0.9;
    margin-bottom: var(--space-6);
}

.hero-btn {
    align-self: center;
    display: inline-flex;
    padding: var(--space-4) var(--space-8);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    background: #fff;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.hero-btn:hover {
    background: var(--color-bg-secondary);
}

.hero-dots {
    position: absolute;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-2);
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-fast);
}

.hero-dot.active {
    background: #fff;
    width: 24px;
}

/* ---- Category Section ---- */
.category-section {
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.category-scroll {
    display: flex;
    gap: var(--space-3);
    overflow-x: auto;
    padding-bottom: var(--space-2);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-scroll::-webkit-scrollbar {
    display: none;
}

.category-btn {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.category-btn:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.category-btn.active {
    background: var(--color-primary);
    color: #fff;
}

.category-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

/* ---- Empty State ---- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-4);
    text-align: center;
    color: var(--color-text-muted);
}

.empty-state svg {
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state p {
    font-size: var(--font-size-base);
}

/* ---- Products Section ---- */
.products-section {
    padding: var(--space-12) 0;
}

.products-section--alt {
    background: var(--color-bg-secondary);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.01em;
}

.view-all-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.view-all-link:hover {
    color: var(--color-text);
}

/* ---- QR Code Section ---- */
.qrcode-section {
    padding: var(--space-12) 0;
    background: var(--color-bg-secondary);
}

.qrcode-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.qrcode-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    text-align: center;
}

.qrcode-img {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-4);
}

.qrcode-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
}

.qrcode-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-1);
}

.qrcode-code {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ---- Breadcrumb ---- */
.breadcrumb-nav {
    padding: var(--space-4) 0;
    background: var(--color-bg-secondary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
}

.breadcrumb-item {
    color: var(--color-text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--color-text);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: var(--space-2);
    color: var(--color-text-muted);
}

.breadcrumb-item.active {
    color: var(--color-text);
}

/* ---- Reviews Section ---- */
.reviews-section {
    padding: var(--space-12) 0;
    background: var(--color-bg-secondary);
}

.reviews-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-6);
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.review-item {
    background: var(--color-bg);
    padding: var(--space-6);
    border-radius: var(--radius-md);
}

.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.review-stars {
    display: flex;
    gap: 2px;
}

.star-filled {
    color: #fbbf24;
}

.star-empty {
    color: var(--color-border);
}

.review-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.review-content {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
    line-height: var(--line-height-relaxed);
}

.review-author {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ---- Related Products ---- */
.related-products {
    padding: var(--space-12) 0;
}

/* ---- CTA Section ---- */
.cta-section {
    position: relative;
    padding: var(--space-16) 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.cta-text {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-8);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    background: #fff;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.cta-btn:hover {
    background: var(--color-bg-secondary);
}

/* ---- Checkout Page ---- */
.checkout-section {
    padding: var(--space-8) 0 var(--space-16);
}

.checkout-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    margin-bottom: var(--space-8);
}

.checkout-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.step.active .step-number {
    background: var(--color-primary);
    color: #fff;
}

.step.completed .step-number {
    background: var(--color-primary);
    color: #fff;
}

.step-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.step.active .step-label,
.step.completed .step-label {
    color: var(--color-text);
}

.step-line {
    width: 60px;
    height: 2px;
    background: var(--color-border);
}

.checkout-content {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: var(--space-8);
    align-items: start;
}

.checkout-main {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-8);
}

.checkout-step-content {
    display: none;
}

.checkout-step-content.active {
    display: block;
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-6);
}

/* ---- Forms ---- */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-error);
}

.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--space-1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

/* ---- Payment Options ---- */
.payment-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.payment-option {
    cursor: pointer;
}

.payment-option input {
    display: none;
}

.payment-option-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.payment-option input:checked + .payment-option-inner {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.payment-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

/* ---- Order Summary ---- */
.order-summary {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.summary-section {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

.summary-section:last-child {
    border-bottom: none;
}

.summary-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-3);
}

.summary-content {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.summary-content p {
    margin-bottom: var(--space-1);
}

.order-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.order-item {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
}

.order-item-placeholder {
    text-align: center;
    padding: var(--space-4);
    color: var(--color-text-muted);
}

/* ---- Checkout Sidebar ---- */
.checkout-sidebar {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    position: sticky;
    top: 80px;
}

.sidebar-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.sidebar-items {
    margin-bottom: var(--space-6);
}

.sidebar-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
}

.sidebar-item .item-name {
    color: var(--color-text-secondary);
}

.sidebar-item-placeholder {
    text-align: center;
    padding: var(--space-4);
    color: var(--color-text-muted);
}

.sidebar-totals {
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--space-4);
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
}

.total-final {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--space-2);
    padding-top: var(--space-4);
}

/* ==========================================================================
   6. Utilities
   ========================================================================== */

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

/* ==========================================================================
   7. Responsive
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .qrcode-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .product-gallery {
        position: static;
    }

    .checkout-content {
        grid-template-columns: 1fr;
    }

    .checkout-sidebar {
        position: static;
        order: -1;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-4);
    }

    .search-form {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .products-grid--small {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-banner {
        height: 50vh;
        min-height: 300px;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .qrcode-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .checkout-steps {
        gap: var(--space-2);
    }

    .step-line {
        width: 30px;
    }

    .step-label {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .payment-options {
        grid-template-columns: 1fr;
    }

    .product-actions {
        flex-direction: column;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .qrcode-grid {
        grid-template-columns: 1fr;
    }

    .cart-sidebar {
        max-width: 100%;
    }
}

/* ==========================================================================
   Product Detail Page
   ========================================================================== */

.product-detail {
    padding: var(--space-8) 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.product-gallery {
    position: sticky;
    top: var(--space-20);
    align-self: start;
}

.product-main-image {
    position: relative;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
}

.product-main-image .main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-main-image:hover .main-image {
    cursor: zoom-in;
}

.zoom-hint {
    position: absolute;
    bottom: var(--space-3);
    right: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.product-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.product-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    line-height: var(--line-height-tight);
}

.product-description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Product Series */
.product-series {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border-light);
}

.series-title,
.models-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.series-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.series-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.series-item:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.series-item svg {
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.series-item:hover svg {
    transform: translateX(4px);
    color: var(--color-primary);
}

/* Models Grid */
.product-models {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border-light);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.model-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.model-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.model-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.model-placeholder {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.model-card .model-info {
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.model-card .model-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.model-card .model-code {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.btn-inquiry,
.btn-whatsapp,
.btn-telegram {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.btn-inquiry {
    background: var(--color-primary);
    color: white;
}

.btn-inquiry:hover {
    background: var(--color-primary-hover);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #1fb855;
}

.btn-telegram {
    background: #0088cc;
    color: white;
}

.btn-telegram:hover {
    background: #0077b5;
}

/* E-commerce Product Detail Page */
.product-price-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: linear-gradient(135deg, #fef7f0 0%, #fff5eb 100%);
    border-radius: var(--radius-lg);
    border: 1px solid #fde2cc;
}

.price-current {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
}

.price-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.price-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: #c53030;
}

.price-unit {
    font-size: var(--font-size-base);
    color: #c53030;
}

.stock-status {
    display: flex;
    align-items: center;
}

.stock-badge {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.stock-badge.in-stock {
    background: #c6f6d5;
    color: #22543d;
}

.stock-badge.out-of-stock {
    background: #fed7d7;
    color: #c53030;
}

.product-code-section {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
}

.code-label {
    color: var(--color-text-muted);
}

.code-value {
    font-family: var(--font-mono);
    color: var(--color-text);
    background: var(--color-bg-secondary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.product-brief {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

/* Specification Selection */
.spec-selection {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border-light);
}

.spec-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.spec-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
}

.spec-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.spec-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.spec-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.spec-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.model-btn-price {
    font-size: var(--font-size-xs);
    color: #c53030;
    background: #fff5f5;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.model-btn.active .model-btn-price {
    background: rgba(45, 90, 74, 0.1);
    color: var(--color-primary);
}

/* Quantity Selection */
.quantity-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border-light);
}

.quantity-selector {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.qty-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-secondary);
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.qty-btn:hover {
    background: var(--color-bg-tertiary);
}

.qty-input {
    width: 60px;
    height: 40px;
    text-align: center;
    border: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Product Action Buttons (E-commerce) */
.product-actions .btn-add-cart,
.product-actions .btn-buy-now {
    flex: 1;
    min-width: 140px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-add-cart {
    background: var(--color-primary);
    color: white;
}

.btn-add-cart:hover:not(:disabled) {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-add-cart:disabled {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.btn-buy-now {
    background: #c53030;
    color: white;
}

.btn-buy-now:hover:not(:disabled) {
    background: #9b2c2c;
    transform: translateY(-1px);
}

.btn-buy-now:disabled {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

/* Product Meta Info */
.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.meta-item svg {
    color: var(--color-primary);
}

/* Product Thumbnails */
.product-thumbnails {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
    overflow-x: auto;
    padding-bottom: var(--space-2);
}

.thumb-item {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    background: var(--color-bg-secondary);
    transition: border-color var(--transition-fast);
}

.thumb-item:hover {
    border-color: var(--color-primary-light);
}

.thumb-item.active {
    border-color: var(--color-primary);
}

.thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Specs Table */
.specs-table table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th,
.specs-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.specs-table th {
    width: 30%;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    background: var(--color-bg-secondary);
}

.specs-table td {
    color: var(--color-text);
}

/* Image placeholder for product detail */
.product-main-image .image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
}

/* Product QR Code */
.product-qrcode {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border-light);
}

.qrcode-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.qrcode-box {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.qrcode-image {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
}

.qrcode-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.qrcode-model {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

/* Product Tabs */
.product-tabs {
    padding: var(--space-12) 0;
    background: var(--color-bg-secondary);
}

.tabs-header {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.tab-btn {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-text);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tabs-content {
    max-width: 800px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

/* ==========================================================================
   Model Detail Page
   ========================================================================== */

.model-detail {
    padding: var(--space-8) 0;
}

.model-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.model-gallery {
    position: sticky;
    top: var(--space-20);
    align-self: start;
}

.model-main-image {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
}

.model-main-image .main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.model-qrcode {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    text-align: center;
}

.model-qrcode .qrcode-image {
    width: 150px;
    height: 150px;
    margin-bottom: var(--space-2);
}

.model-qrcode .qrcode-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.model-info-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.model-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.model-code-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    width: fit-content;
}

.model-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    line-height: var(--line-height-tight);
}

/* Model Specs Table */
.model-specs-table {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.spec-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.spec-value a {
    color: var(--color-primary);
    text-decoration: none;
}

.spec-value a:hover {
    text-decoration: underline;
}

/* Model Description, Specifications, Features */
.model-description,
.model-specifications,
.model-features {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border-light);
}

.model-description h3,
.model-specifications h3,
.model-features h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.model-description p,
.specs-content {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.features-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-secondary);
}

.features-list li svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* Model Actions */
.model-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding-top: var(--space-4);
}

/* Inquiry Section */
.inquiry-section {
    padding: var(--space-16) 0;
    background: var(--color-bg-secondary);
}

.inquiry-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-12);
}

.inquiry-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.inquiry-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.inquiry-subtitle {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.inquiry-product-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4);
    background: white;
    border-radius: var(--radius-md);
}

.inquiry-product-info .info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.inquiry-product-info .info-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.inquiry-product-info .info-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.contact-methods h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: white;
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.contact-method:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.contact-method svg {
    color: var(--color-text-muted);
}

.contact-method:hover svg {
    color: var(--color-primary);
}

/* Inquiry Form */
.inquiry-form-wrapper {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.inquiry-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.inquiry-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.inquiry-form .form-group.full-width {
    grid-column: 1 / -1;
}

.inquiry-form label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.inquiry-form input,
.inquiry-form textarea {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.inquiry-form textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-submit:hover {
    background: var(--color-primary-hover);
}

.btn-submit svg {
    transition: transform var(--transition-fast);
}

.btn-submit:hover svg {
    transform: translateX(4px);
}

/* Related Models Section */
.related-section {
    padding: var(--space-12) 0;
}

.related-models-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.related-model-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.related-model-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.related-model-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.related-model-placeholder {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.related-model-info {
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.related-model-code {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.related-model-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

/* ==========================================================================
   Responsive - Product & Model Detail
   ========================================================================== */

@media (max-width: 992px) {
    .product-detail-grid,
    .model-detail-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .product-gallery,
    .model-gallery {
        position: static;
    }

    .models-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .inquiry-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .related-models-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .product-title,
    .model-title {
        font-size: var(--font-size-2xl);
    }

    .models-grid {
        grid-template-columns: 1fr 1fr;
    }

    .product-actions,
    .model-actions {
        flex-direction: column;
    }

    .product-actions > *,
    .model-actions > * {
        width: 100%;
        justify-content: center;
    }

    .inquiry-form .form-row {
        grid-template-columns: 1fr;
    }

    .inquiry-form-wrapper {
        padding: var(--space-6);
    }

    .related-models-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3);
    }
}

/* ==========================================================================
   Footer - Minimal 3-Column Layout
   ========================================================================== */

.footer-brand-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border-light);
}

.footer-logo-link {
    display: block;
}

.footer-logo {
    height: 50px;
    width: auto;
}

.footer-grid--minimal {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-12);
}

.contact-phone-large {
    margin-bottom: var(--space-2);
}

.contact-phone-large a {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    text-decoration: none;
}

.contact-phone-large a:hover {
    color: var(--color-primary);
}

.contact-hours {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ==========================================================================
   Cart Toggle Button
   ========================================================================== */

.cart-toggle {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-primary);
    color: white;
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.cart-count:empty,
.cart-count[data-cart-count="0"] {
    display: none;
}

/* ==========================================================================
   QR Code Links
   ========================================================================== */

.qrcode-link {
    display: block;
    transition: transform var(--transition-fast);
}

.qrcode-link:hover {
    transform: scale(1.02);
}

.qrcode-model-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
    display: block;
    margin-bottom: var(--space-1);
}

.qrcode-model-link:hover {
    color: var(--color-primary);
}

.qrcode-url {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.qrcode-url svg {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.qrcode-url-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-decoration: none;
    word-break: break-all;
}

.qrcode-url-text:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ==========================================================================
   Responsive Footer Minimal
   ========================================================================== */

@media (max-width: 768px) {
    .footer-grid--minimal {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

/* ==========================================================================
   E-commerce Commerce Section
   ========================================================================== */

.model-commerce {
    margin: var(--space-6) 0;
    padding: var(--space-5);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.model-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.price-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.price-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.model-stock {
    margin-bottom: var(--space-4);
}

.stock-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.stock-status.in-stock {
    background: #dcfce7;
    color: #166534;
}

.stock-status.out-of-stock {
    background: #fee2e2;
    color: #991b1b;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.quantity-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.quantity-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg);
}

.qty-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.qty-btn:hover {
    background: var(--color-bg-tertiary);
}

.qty-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.qty-input {
    width: 60px;
    height: 40px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.model-actions {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.model-actions .btn-primary,
.model-actions .btn-secondary {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.model-actions .btn-primary {
    background: var(--color-primary);
    color: white;
    border: none;
}

.model-actions .btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.model-actions .btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.model-actions .btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.model-actions .btn-secondary:hover {
    background: var(--color-primary-light);
}

.model-contact-btns {
    display: flex;
    gap: var(--space-3);
}

.btn-contact {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-whatsapp {
    background: #25d366;
    color: white;
}

.btn-whatsapp:hover {
    background: #1ebe57;
    color: white;
}

.btn-telegram {
    background: #0088cc;
    color: white;
}

.btn-telegram:hover {
    background: #0077b5;
    color: white;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .model-actions {
        flex-direction: column;
    }

    .model-contact-btns {
        flex-wrap: wrap;
    }

    .quantity-selector {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
}

/* Print Styles */
@media print {
    .header,
    .cart-sidebar,
    .cart-overlay,
    .toast,
    .hero-banner,
    .footer {
        display: none !important;
    }
}

/* ==========================================================================
   E-commerce Model Shop Cards
   ========================================================================== */

/* Model Shop Card - Used in Series Detail */
.model-shop-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.model-shop-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.model-shop-image {
    display: block;
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--color-bg-secondary);
    overflow: hidden;
}

.model-shop-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.model-shop-card:hover .model-shop-image img {
    transform: scale(1.05);
}

.model-shop-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.model-shop-code {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.model-shop-content {
    padding: var(--space-4);
}

.model-shop-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
}

.model-shop-name a {
    color: var(--color-text);
    text-decoration: none;
}

.model-shop-name a:hover {
    color: var(--color-primary);
}

.model-shop-price {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.model-shop-stock {
    margin-bottom: var(--space-4);
}

.stock-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.stock-badge.in-stock {
    background: #dcfce7;
    color: #166534;
}

.stock-badge.out-of-stock {
    background: #fee2e2;
    color: #991b1b;
}

.model-shop-actions {
    display: flex;
    gap: var(--space-2);
}

.btn-add-cart-mini {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-add-cart-mini:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn-add-cart-mini:disabled {
    background: var(--color-text-muted);
    cursor: not-allowed;
}

.btn-view-detail {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-4);
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.btn-view-detail:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Model Variant Card - Used in Product Detail */
.models-shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.model-variant-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.model-variant-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.model-variant-image {
    display: block;
    aspect-ratio: 1;
    background: var(--color-bg);
    overflow: hidden;
}

.model-variant-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.model-variant-card:hover .model-variant-image img {
    transform: scale(1.05);
}

.model-variant-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    background: var(--color-bg);
}

.model-variant-info {
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    flex: 1;
}

.model-variant-code {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-family: monospace;
}

.model-variant-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
    line-height: var(--line-height-tight);
}

.model-variant-name:hover {
    color: var(--color-primary);
}

.model-variant-price {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.model-variant-stock {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.model-variant-stock.in-stock {
    color: #166534;
}

.model-variant-stock.out-of-stock {
    color: #991b1b;
}

.model-variant-cart-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3);
    background: var(--color-primary);
    color: white;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.model-variant-cart-btn:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.model-variant-cart-btn:disabled {
    background: var(--color-text-muted);
    cursor: not-allowed;
}

/* Related Model Price */
.related-model-price {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-top: var(--space-1);
}

/* Responsive E-commerce Cards */
@media (max-width: 768px) {
    .models-shop-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }

    .model-shop-actions {
        flex-direction: column;
    }

    .btn-add-cart-mini,
    .btn-view-detail {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .models-shop-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================================================
   Product Variant Selector
   ============================================================================= */

.variant-section {
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
}

.variant-group {
    margin-bottom: var(--space-4);
}

.variant-group:last-child {
    margin-bottom: 0;
}

.variant-group-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.variant-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.variant-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.variant-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.variant-btn.selected {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.variant-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    text-decoration: line-through;
}

.variant-btn.unavailable {
    opacity: 0.5;
    position: relative;
}

.variant-btn.unavailable::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-text-muted);
}

/* Color variant with swatch preview */
.variant-btn.color-btn {
    gap: var(--space-2);
}

.color-swatch {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Variant info display */
.variant-info {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.variant-sku {
    font-family: var(--font-mono, monospace);
}

/* Product Tags Display */
.product-tags-display {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.product-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    background: rgba(45, 90, 74, 0.1);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.product-tag:hover {
    background: rgba(45, 90, 74, 0.2);
}

/* Responsive variant selector */
@media (max-width: 480px) {
    .variant-section {
        padding: var(--space-3);
    }

    .variant-btn {
        min-width: 50px;
        padding: var(--space-2);
        font-size: var(--font-size-xs);
    }
}

/* =============================================================================
   Product QR Code Section
   ============================================================================= */

.product-qrcode {
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.qrcode-wrapper {
    flex-shrink: 0;
    padding: var(--space-2);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.qrcode-image {
    width: 80px;
    height: 80px;
    display: block;
}

.qrcode-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

@media (max-width: 480px) {
    .product-qrcode {
        flex-direction: column;
        align-items: flex-start;
    }

    .qrcode-image {
        width: 100px;
        height: 100px;
    }
}

/* =============================================================================
   Auth Pages (Login/Register)
   ============================================================================= */

.auth-section {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    padding: var(--space-8) 0;
    background: var(--color-bg-secondary);
}

.auth-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin: 0 0 var(--space-2) 0;
}

.auth-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.auth-messages {
    margin-bottom: var(--space-4);
}

.auth-messages .message {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
}

.auth-messages .message-error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.auth-messages .message-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.auth-messages .message-warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.auth-form .form-group {
    margin-bottom: var(--space-4);
}

.auth-form .form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.auth-form .form-label .required {
    color: var(--color-error);
}

.auth-form .form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-form .form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 74, 0.1);
}

.auth-form .form-actions {
    margin-top: var(--space-6);
}

.btn-block {
    display: block;
    width: 100%;
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* =============================================================================
   Account Pages
   ============================================================================= */

.account-section {
    padding: var(--space-8) 0;
    min-height: calc(100vh - 200px);
    background: var(--color-bg-secondary);
}

.account-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-6);
}

/* Account Sidebar */
.account-sidebar {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    height: fit-content;
    position: sticky;
    top: var(--space-4);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
}

.user-details .user-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    color: var(--color-text);
}

.user-details .user-phone {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: var(--space-1) 0 0 0;
}

.account-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.account-nav .nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.account-nav .nav-item:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

.account-nav .nav-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.account-nav .nav-logout {
    margin-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-4);
}

.account-nav .nav-logout:hover {
    color: var(--color-error);
}

/* Account Main Content */
.account-main {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.account-main .page-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-6) 0;
    color: var(--color-text);
}

.page-header-with-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.page-header-with-action .page-title {
    margin: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Content Sections */
.content-section {
    margin-bottom: var(--space-6);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.view-all {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-decoration: none;
}

.view-all:hover {
    text-decoration: underline;
}

/* Orders List */
.orders-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.order-card {
    display: block;
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.order-card:hover {
    background: var(--color-bg-tertiary);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}

.order-no {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.order-status {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
}

.order-status.status-pending { background: #fef3c7; color: #92400e; }
.order-status.status-confirmed { background: #dbeafe; color: #1e40af; }
.order-status.status-processing { background: #ede9fe; color: #5b21b6; }
.order-status.status-shipped { background: #e0f2fe; color: #0369a1; }
.order-status.status-delivered { background: #dcfce7; color: #166534; }
.order-status.status-completed { background: #d1fae5; color: #065f46; }
.order-status.status-cancelled { background: #f3f4f6; color: #4b5563; }

.order-info {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
}

.order-date {
    color: var(--color-text-secondary);
}

.order-amount {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

/* Full Order Card */
.order-card-full {
    border: 1px solid var(--color-border);
    background: var(--color-bg);
}

.order-items-preview {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-3);
}

.item-preview {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--space-1) 0;
}

.item-more {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.order-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Order Detail */
.page-header {
    margin-bottom: var(--space-4);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
}

.back-link:hover {
    color: var(--color-primary);
}

.order-detail-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.order-detail-header {
    padding: var(--space-5);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.order-info-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}

.order-detail-header .order-no {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.order-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.detail-section {
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.detail-section:last-of-type {
    border-bottom: none;
}

.detail-section .section-title {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-3);
}

.section-content p {
    font-size: var(--font-size-sm);
    margin: var(--space-2) 0;
    color: var(--color-text-secondary);
}

.section-content p strong {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
}

/* Order Items Table */
.order-items-table {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.items-header {
    display: grid;
    grid-template-columns: 2fr 1fr 80px 1fr;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.item-row {
    display: grid;
    grid-template-columns: 2fr 1fr 80px 1fr;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--color-border);
    align-items: center;
}

.item-row .col-name {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.item-row .variant-info {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin: 0;
    padding: 0;
    border: none;
}

.col-subtotal {
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
}

/* Order Total */
.order-total-section {
    padding: var(--space-5);
    background: var(--color-bg-secondary);
}

.total-row {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-8);
    font-size: var(--font-size-sm);
}

.total-row.final {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

.total-amount {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-10) var(--space-4);
    color: var(--color-text-secondary);
}

.empty-state svg {
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state p {
    margin: 0 0 var(--space-4) 0;
}

/* Addresses */
.addresses-list {
    display: grid;
    gap: var(--space-4);
}

.address-card {
    position: relative;
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
}

.default-badge {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
}

.address-content {
    margin-bottom: var(--space-4);
}

.address-header {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-2);
}

.receiver-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.receiver-phone {
    color: var(--color-text-secondary);
}

.address-detail {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: var(--line-height-relaxed);
}

.address-actions {
    display: flex;
    gap: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0;
    background: none;
    border: none;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-text:hover {
    color: var(--color-primary);
}

.btn-text.btn-danger:hover {
    color: var(--color-error);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--space-4);
}

.modal-content {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.modal-close {
    padding: var(--space-2);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

.modal-content .address-form {
    padding: var(--space-6);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.page-link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-decoration: none;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--color-primary);
    color: white;
}

.page-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Responsive Account */
@media (max-width: 900px) {
    .account-wrapper {
        grid-template-columns: 1fr;
    }

    .account-sidebar {
        position: relative;
        top: 0;
    }

    .user-info {
        padding-bottom: var(--space-4);
    }

    .account-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .account-nav .nav-logout {
        margin-top: 0;
        border-top: none;
        padding-top: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .auth-card {
        padding: var(--space-5);
    }

    .items-header,
    .item-row {
        grid-template-columns: 1fr 80px;
    }

    .items-header .col-price,
    .items-header .col-qty,
    .item-row .col-price,
    .item-row .col-qty {
        display: none;
    }

    .page-header-with-action {
        flex-direction: column;
        gap: var(--space-3);
        align-items: flex-start;
    }
}

/* =============================================================================
   Header User Link
   ============================================================================= */

.header-user-wrap {
    display: flex;
    align-items: center;
    margin-right: var(--space-4);
}

.header-user-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.header-user-link:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
}

.header-user-link svg {
    flex-shrink: 0;
}

/* =============================================================================
   Page Hero Section
   ============================================================================= */

.page-hero {
    position: relative;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-color: var(--color-primary);
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(45, 90, 74, 0.9) 0%, rgba(26, 26, 46, 0.85) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: var(--space-16) 0;
}

.page-hero-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.5px;
    margin-bottom: var(--space-4);
}

.page-hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-3);
    line-height: var(--line-height-tight);
}

.page-hero-desc {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* =============================================================================
   Content Section
   ============================================================================= */

.content-section {
    padding: var(--space-16) 0;
}

.content-section--alt {
    background-color: var(--color-bg-secondary);
}

.section-tag {
    display: inline-block;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-3);
}

.section-header--center {
    text-align: center;
    margin-bottom: var(--space-10);
}

.section-header--center .section-title {
    margin-bottom: 0;
}

/* Intro Block */
.intro-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.intro-content {
    max-width: 540px;
}

.intro-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

.intro-content .btn-primary {
    margin-top: var(--space-4);
}

.intro-image {
    position: relative;
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Feature Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.feature-card {
    background: var(--color-bg);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-3);
}

.feature-desc {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: var(--line-height-relaxed);
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.step-item {
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    color: #fff;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    border-radius: 50%;
    margin-bottom: var(--space-5);
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-2);
}

.step-desc {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* =============================================================================
   Filter Section
   ============================================================================= */

.filter-section {
    padding: var(--space-8) 0;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
}

.filter-tab {
    padding: var(--space-2) var(--space-5);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-tab--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.filter-tab--active:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #fff;
}

/* =============================================================================
   Cases Grid
   ============================================================================= */

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.case-card {
    display: block;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.case-category {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-sm);
}

.case-content {
    padding: var(--space-5);
}

.case-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-2);
    line-height: var(--line-height-tight);
}

.case-location {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0 0 var(--space-1);
}

.case-date {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin: 0;
}

/* =============================================================================
   Pagination
   ============================================================================= */

.pagination-nav {
    margin-top: var(--space-10);
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-btn--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* Section Footer */
.section-footer {
    text-align: center;
    margin-top: var(--space-10);
}

/* =============================================================================
   News Grid
   ============================================================================= */

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.news-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.news-card:hover {
    box-shadow: var(--shadow-lg);
}

.news-image {
    display: block;
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.news-date {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
}

.news-content {
    padding: var(--space-5);
}

.news-category {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
}

.news-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-3);
    line-height: var(--line-height-tight);
}

.news-title a {
    color: inherit;
    transition: color var(--transition-fast);
}

.news-title a:hover {
    color: var(--color-primary);
}

.news-summary {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0 0 var(--space-4);
    line-height: var(--line-height-relaxed);
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: gap var(--transition-fast);
}

.news-link:hover {
    gap: var(--space-2);
}

/* =============================================================================
   Downloads Grid
   ============================================================================= */

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.download-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    padding: var(--space-6);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.download-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.download-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.download-content {
    flex: 1;
    min-width: 0;
}

.download-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-2);
}

.download-desc {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0 0 var(--space-3);
}

.download-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: #fff;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    margin-top: var(--space-4);
    transition: background var(--transition-fast);
}

.download-btn:hover {
    background: var(--color-primary-hover);
}

@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

    .downloads-grid {
        grid-template-columns: 1fr;
    }

    .download-card {
        flex-direction: column;
        align-items: stretch;
    }
}

/* =============================================================================
   Responsive: Page Components
   ============================================================================= */

@media (max-width: 1024px) {
    .intro-block {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .intro-content {
        max-width: none;
        order: 2;
    }

    .intro-image {
        order: 1;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-hero {
        min-height: 220px;
    }

    .page-hero-content {
        padding: var(--space-10) 0;
    }

    .page-hero-title {
        font-size: var(--font-size-3xl);
    }

    .page-hero-desc {
        font-size: var(--font-size-base);
    }

    .content-section {
        padding: var(--space-10) 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .feature-card {
        padding: var(--space-6);
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .filter-tabs {
        gap: var(--space-1);
    }

    .filter-tab {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-xs);
    }
}

/* =============================================================================
   Contact Page
   ============================================================================= */

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-12);
    align-items: start;
}

.contact-info {
    position: sticky;
    top: 100px;
}

.contact-items {
    margin-top: var(--space-8);
}

.contact-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.contact-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-item-content h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item-content p,
.contact-item-content a {
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin: 0;
    line-height: 1.6;
}

.contact-item-content a:hover {
    color: var(--color-primary);
}

.contact-social {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.contact-social h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin: 0 0 var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-alt);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: #fff;
}

.contact-form-wrapper {
    background: var(--color-bg-alt);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
}

.contact-form-wrapper .form-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-8);
}

.form-messages {
    margin-bottom: var(--space-6);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.contact-form .form-group {
    margin-bottom: var(--space-6);
}

.contact-form .form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.contact-form .form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form .form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.contact-form textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

.contact-form select.form-input {
    cursor: pointer;
}

.map-section {
    padding: var(--space-16) 0;
    background: var(--color-bg-alt);
}

.map-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-wrapper iframe {
    display: block;
}

/* =============================================================================
   Detail Pages (Case & News)
   ============================================================================= */

.detail-section {
    padding: var(--space-16) 0;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-12);
    align-items: start;
}

.detail-main {
    min-width: 0;
}

.detail-meta {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.detail-meta svg {
    width: 16px;
    height: 16px;
    margin-right: var(--space-2);
}

.detail-image {
    margin-bottom: var(--space-8);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.detail-summary {
    padding: var(--space-6);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-8);
}

.detail-summary p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.7;
}

.detail-content {
    margin-bottom: var(--space-10);
}

.detail-content h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-6);
}

.detail-content p {
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.detail-gallery {
    margin-top: var(--space-10);
}

.detail-gallery h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-6);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.detail-back {
    margin-top: var(--space-10);
}

/* Detail Sidebar */
.detail-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-6);
}

.sidebar-card h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-6);
}

.sidebar-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-info-list li {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.sidebar-info-list li:last-child {
    margin-bottom: 0;
}

.sidebar-info-list svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.sidebar-info-list strong {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

.sidebar-info-list span {
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.sidebar-cta {
    background: var(--color-primary);
    color: #fff;
    text-align: center;
}

.sidebar-cta h4 {
    color: #fff;
}

.sidebar-cta p {
    margin: 0 0 var(--space-6);
    opacity: 0.9;
}

.sidebar-cta .btn-light {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: #fff;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.sidebar-cta .btn-light:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* Related News/Cases in Sidebar */
.related-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-list li {
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.related-list li:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.related-list a {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-1);
    transition: color var(--transition-fast);
}

.related-list a:hover {
    color: var(--color-primary);
}

.related-list .date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Related Cases Section */
.related-section {
    padding: var(--space-16) 0;
    background: var(--color-bg-alt);
}

/* Responsive for Contact and Detail Pages */
@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .contact-info {
        position: static;
    }

    .detail-layout {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .detail-sidebar {
        position: static;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact-form-wrapper {
        padding: var(--space-6);
    }

    .contact-form .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item img {
        height: auto;
        aspect-ratio: 16/9;
    }
}
/* ==========================================================================
   iOS Style Mobile Tab Bar & Responsive Enhancements
   ========================================================================== */

/* ---- Tab Bar (Mobile Only) ---- */
.tab-bar {
    display: none; /* Hidden by default, shown on mobile */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 83px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 0.5px solid rgba(0, 0, 0, 0.1);
    justify-content: space-around;
    align-items: flex-start;
    padding-top: 8px;
    padding-bottom: env(safe-area-inset-bottom, 0);
    z-index: 1000;
}

.tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 4px 16px;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.tab-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.tab-icon svg {
    width: 24px;
    height: 24px;
    color: #8E8E93;
    transition: color 0.15s ease;
}

.tab-item.active .tab-icon svg,
.tab-item:hover .tab-icon svg {
    color: #007AFF;
}

.tab-label {
    font-size: 10px;
    font-weight: 500;
    color: #8E8E93;
    transition: color 0.15s ease;
}

.tab-item.active .tab-label,
.tab-item:hover .tab-label {
    color: #007AFF;
}

.tab-badge {
    position: absolute;
    top: -4px;
    right: -8px;
    min-width: 18px;
    height: 18px;
    background: #FF3B30;
    border-radius: 9px;
    font-size: 11px;
    font-weight: 600;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

.tab-badge:empty,
.tab-badge[data-count="0"] {
    display: none;
}

/* ---- Mobile Responsive (< 768px) ---- */
@media (max-width: 767px) {
    /* Show Tab Bar on Mobile */
    .tab-bar {
        display: flex;
    }

    /* Add padding to main content for Tab Bar */
    body {
        padding-bottom: 83px;
    }

    /* Hide footer on mobile (optional, can adjust) */
    .footer {
        margin-bottom: 83px;
    }

    /* iOS Style Header */
    .header {
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
    }

    .navbar {
        height: 56px;
    }

    /* Hide desktop nav links on mobile */
    .nav-links {
        display: none;
    }

    /* Hide phone number on mobile */
    .nav-phone {
        display: none;
    }

    /* Compact logo on mobile */
    .logo-img {
        height: 36px;
        width: auto;
    }

    /* Full-width search on mobile */
    .search-form {
        flex: 1;
        max-width: none;
        background: rgba(142, 142, 147, 0.12);
        border-radius: 10px;
        margin: 0 var(--space-2);
    }

    .search-input {
        height: 36px;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    /* Simplified navbar actions */
    .navbar-actions {
        gap: var(--space-1);
    }

    .nav-icon {
        width: 36px;
        height: 36px;
    }

    /* Hide language switcher text */
    .lang-code {
        display: none;
    }

    /* Mobile menu toggle visible */
    .mobile-menu-toggle {
        display: flex;
    }

    /* iOS Style Cards */
    .product-card {
        border-radius: 16px;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    }

    /* iOS Style Buttons */
    .btn-primary {
        border-radius: 12px;
        font-weight: 600;
    }

    /* Category Section iOS Style */
    .category-card {
        border-radius: 16px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    }

    /* Smooth scroll */
    html {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }

    /* Hide scrollbars on iOS */
    ::-webkit-scrollbar {
        display: none;
    }

    /* Section titles iOS style */
    .section-title {
        font-size: 22px;
        font-weight: 700;
        letter-spacing: -0.3px;
    }
}

/* ---- Tablet Responsive (768px - 1023px) ---- */
@media (min-width: 768px) and (max-width: 1023px) {
    .tab-bar {
        display: none;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ---- Desktop (>= 1024px) ---- */
@media (min-width: 1024px) {
    .tab-bar {
        display: none;
    }

    .mobile-menu-toggle {
        display: none;
    }

    .nav-links {
        display: flex;
    }
}

/* ---- Animation for Tab Bar ---- */
@keyframes tabBarSlideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.tab-bar {
    animation: tabBarSlideUp 0.3s ease;
}

/* ---- Active state feedback ---- */
.tab-item:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

.product-card:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

/* ==========================================================================
   iOS Design System - Complete Styles
   ========================================================================== */

/* ---- iOS Hero Banner ---- */
.ios-hero {
    position: relative;
    height: 50vh;
    min-height: 320px;
    max-height: 500px;
    overflow: hidden;
}

.ios-hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.ios-hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.ios-hero-slide.active {
    opacity: 1;
}

.ios-hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ios-hero-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.ios-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
}

.ios-hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 20px;
    color: white;
    text-align: center;
}

.ios-hero-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.ios-hero-subtitle {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.ios-hero-btn {
    display: inline-block;
    padding: 14px 32px;
    background: rgba(255,255,255,0.95);
    color: #1a1a1a;
    border-radius: 14px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.2s, box-shadow 0.2s;
}

.ios-hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.ios-hero-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.ios-hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.ios-hero-dot.active {
    width: 24px;
    border-radius: 4px;
    background: white;
}

/* ---- iOS Categories ---- */
.ios-categories {
    padding: 20px 0;
    background: var(--ios-gray-6);
}

.ios-categories-scroll {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 0 20px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.ios-categories-scroll::-webkit-scrollbar {
    display: none;
}

.ios-category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    width: 70px;
    text-decoration: none;
    cursor: pointer;
}

.ios-category-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(145deg, #FFFFFF 0%, #F5F5F7 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    transition: transform 0.2s;
}

.ios-category-item:hover .ios-category-icon,
.ios-category-item:active .ios-category-icon {
    transform: scale(1.05);
}

.ios-category-name {
    font-size: 12px;
    color: var(--color-text-secondary);
    font-weight: 500;
    text-align: center;
}

.ios-category-item.active .ios-category-icon {
    background: linear-gradient(145deg, var(--ios-blue) 0%, #005ecb 100%);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.ios-category-item.active .ios-category-name {
    color: var(--ios-blue);
    font-weight: 600;
}

/* ---- iOS Breadcrumb ---- */
.ios-breadcrumb {
    padding: 12px 20px;
    font-size: 14px;
    color: var(--color-text-secondary);
    background: var(--ios-gray-6);
}

.ios-breadcrumb a {
    color: var(--ios-blue);
    text-decoration: none;
}

.ios-breadcrumb a:hover {
    text-decoration: underline;
}

.ios-breadcrumb-sep {
    margin: 0 8px;
    color: var(--ios-gray-3);
}

/* ---- iOS Subcategories Grid ---- */
.ios-subcategories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 0 20px;
}

.ios-subcategory-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.ios-subcategory-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.ios-subcategory-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(145deg, #FFFFFF 0%, #F5F5F7 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.ios-subcategory-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
}

@media (max-width: 768px) {
    .ios-subcategories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        padding: 0 16px;
    }

    .ios-subcategory-card {
        padding: 16px 12px;
    }

    .ios-subcategory-icon {
        width: 56px;
        height: 56px;
        font-size: 28px;
    }

    .ios-subcategory-name {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .ios-subcategories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---- iOS Products Section ---- */
.ios-products-section {
    padding: 24px 0;
    background: white;
}

.ios-products-alt {
    background: var(--ios-gray-6);
}

.ios-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px 16px;
}

.ios-section-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.3px;
}

.ios-section-link {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 15px;
    color: var(--ios-blue);
    text-decoration: none;
    font-weight: 500;
}

.ios-section-link svg {
    width: 16px;
    height: 16px;
}

/* ---- iOS Product Grid ---- */
.ios-products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 0 20px;
}

/* ---- iOS Product Card ---- */
.ios-product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.ios-product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.ios-product-card:active {
    transform: scale(0.98);
}

.ios-product-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.ios-product-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--ios-gray-6);
}

.ios-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.ios-product-card:hover .ios-product-image img {
    transform: scale(1.05);
}

.ios-product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ios-gray-3);
}

.ios-product-info {
    padding: 16px;
}

.ios-product-category {
    font-size: 12px;
    color: var(--ios-blue);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    display: block;
}

.ios-product-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.ios-product-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.ios-price-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
}

.ios-price-unit {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ---- iOS Product Action ---- */
.ios-product-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--ios-gray-5);
}

.ios-product-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.ios-product-rating svg {
    color: var(--ios-orange);
}

.ios-add-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ios-blue);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s, background 0.15s;
}

.ios-add-btn:hover {
    transform: scale(1.1);
    background: #0066d6;
}

.ios-add-btn:active {
    transform: scale(0.95);
}

.ios-add-btn svg {
    color: white;
}

/* ---- iOS Empty State ---- */
.ios-empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--ios-gray);
    text-align: center;
}

.ios-empty-state svg {
    margin-bottom: 16px;
}

/* ---- iOS CTA Section ---- */
.ios-cta-section {
    padding: 20px;
    background: var(--ios-gray-6);
}

.ios-cta-card {
    position: relative;
    height: 200px;
    border-radius: 20px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-color: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.ios-cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 100%);
}

.ios-cta-content {
    position: absolute;
    inset: 0;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: white;
}

.ios-cta-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    width: fit-content;
    margin-bottom: 12px;
}

.ios-cta-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.ios-cta-text {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 16px;
}

.ios-cta-btn {
    display: inline-block;
    padding: 12px 24px;
    background: white;
    color: #1a1a1a;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    width: fit-content;
    transition: transform 0.2s;
}

.ios-cta-btn:hover {
    transform: translateY(-2px);
}

/* ---- iOS Animations ---- */
@keyframes iosFadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ios-category-item,
.ios-product-card {
    animation: iosFadeInUp 0.5s ease backwards;
}

.ios-category-item:nth-child(1) { animation-delay: 0.05s; }
.ios-category-item:nth-child(2) { animation-delay: 0.1s; }
.ios-category-item:nth-child(3) { animation-delay: 0.15s; }
.ios-category-item:nth-child(4) { animation-delay: 0.2s; }
.ios-category-item:nth-child(5) { animation-delay: 0.25s; }
.ios-category-item:nth-child(6) { animation-delay: 0.3s; }
.ios-category-item:nth-child(7) { animation-delay: 0.35s; }
.ios-category-item:nth-child(8) { animation-delay: 0.4s; }

.ios-product-card:nth-child(1) { animation-delay: 0.1s; }
.ios-product-card:nth-child(2) { animation-delay: 0.15s; }
.ios-product-card:nth-child(3) { animation-delay: 0.2s; }
.ios-product-card:nth-child(4) { animation-delay: 0.25s; }
.ios-product-card:nth-child(5) { animation-delay: 0.3s; }
.ios-product-card:nth-child(6) { animation-delay: 0.35s; }

/* ---- iOS Responsive - Tablet ---- */
@media (min-width: 768px) {
    .ios-products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ios-categories-scroll {
        gap: 20px;
        padding: 0 24px;
    }

    .ios-category-item {
        width: 85px;
    }

    .ios-category-icon {
        width: 68px;
        height: 68px;
        font-size: 30px;
    }

    .ios-hero {
        height: 60vh;
        max-height: 600px;
    }

    .ios-hero-title {
        font-size: 36px;
    }

    .ios-cta-card {
        height: 240px;
    }

    .ios-cta-title {
        font-size: 32px;
    }
}

/* ---- iOS Responsive - Desktop ---- */
@media (min-width: 1024px) {
    .ios-products-grid {
        grid-template-columns: repeat(4, 1fr);
        padding: 0 40px;
    }

    .ios-section-header {
        padding: 0 40px 20px;
    }

    .ios-categories {
        padding: 24px 0;
    }

    .ios-categories-scroll {
        gap: 24px;
        padding: 0 40px;
    }

    .ios-category-item {
        width: 90px;
    }

    .ios-category-icon {
        width: 72px;
        height: 72px;
        font-size: 32px;
    }

    .ios-category-name {
        font-size: 13px;
        font-weight: 600;
    }

    .ios-hero {
        height: 70vh;
        max-height: 700px;
    }

    .ios-hero-content {
        padding: 60px 40px;
        text-align: left;
        max-width: 600px;
    }

    .ios-hero-title {
        font-size: 48px;
    }

    .ios-hero-subtitle {
        font-size: 18px;
    }

    .ios-cta-section {
        padding: 40px;
    }

    .ios-cta-card {
        height: 300px;
    }

    .ios-cta-content {
        padding: 40px;
    }

    .ios-cta-title {
        font-size: 40px;
    }

    .ios-cta-text {
        font-size: 16px;
    }

    .ios-product-info {
        padding: 20px;
    }

    .ios-product-name {
        font-size: 16px;
    }

    .ios-price-value {
        font-size: 24px;
    }
}

/* ---- iOS Responsive - Large Desktop ---- */
@media (min-width: 1400px) {
    .ios-products-grid {
        grid-template-columns: repeat(5, 1fr);
        max-width: 1400px;
        margin: 0 auto;
    }

    .ios-categories-scroll {
        max-width: 1400px;
        margin: 0 auto;
    }

    .ios-section-header {
        max-width: 1400px;
        margin: 0 auto;
    }
}


/* ==========================================================================
   iOS Inner Pages - Categories & Product List
   ========================================================================== */

/* ---- iOS Breadcrumb ---- */
.ios-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: white;
    font-size: 14px;
    color: var(--color-text-muted);
    overflow-x: auto;
    white-space: nowrap;
}

.ios-breadcrumb a {
    color: var(--ios-blue);
    text-decoration: none;
}

.ios-breadcrumb-sep {
    color: var(--ios-gray-3);
}

.ios-breadcrumb-current {
    color: var(--color-text);
    font-weight: 500;
}

/* ---- iOS Category Header ---- */
.ios-category-header {
    background: linear-gradient(135deg, var(--ios-gray-6) 0%, white 100%);
    padding: 30px 20px;
}

.ios-category-hero {
    text-align: center;
}

.ios-category-hero-icon {
    font-size: 64px;
    margin-bottom: 16px;
    animation: iosBounce 0.6s ease;
}

@keyframes iosBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.ios-category-hero-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.ios-category-hero-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    max-width: 400px;
    margin: 0 auto;
}

/* ---- iOS Product Count ---- */
.ios-product-count {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ---- iOS Category Active State ---- */
.ios-category-item.active .ios-category-icon {
    background: var(--ios-blue);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.ios-category-item.active .ios-category-name {
    color: var(--ios-blue);
    font-weight: 600;
}

/* ---- iOS Subcategories ---- */
.ios-subcategories {
    background: white;
    border-top: 1px solid var(--ios-gray-5);
}

/* ---- Responsive adjustments for inner pages ---- */
@media (min-width: 768px) {
    .ios-category-header {
        padding: 50px 40px;
    }

    .ios-category-hero-icon {
        font-size: 80px;
    }

    .ios-category-hero-title {
        font-size: 36px;
    }
}

@media (min-width: 1024px) {
    .ios-breadcrumb {
        padding: 16px 40px;
    }

    .ios-category-header {
        padding: 60px 40px;
    }

    .ios-category-hero-icon {
        font-size: 96px;
    }

    .ios-category-hero-title {
        font-size: 42px;
    }

    .ios-category-hero-desc {
        font-size: 18px;
        max-width: 600px;
    }
}

/* ==========================================================================
   iOS Product Detail Styles
   ========================================================================== */

.ios-product-detail {
    padding: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.ios-product-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

/* Product Gallery */
.ios-product-gallery {
    position: relative;
}

.ios-product-main-image {
    background: var(--ios-gray-6, #F2F2F7);
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 1;
}

.ios-product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ios-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ios-gray-3, #C7C7CC);
    background: var(--ios-gray-6, #F2F2F7);
    min-height: 300px;
}

/* Gallery Thumbnails */
.ios-gallery-thumbs {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
}

.ios-gallery-thumbs::-webkit-scrollbar {
    height: 4px;
}

.ios-gallery-thumbs::-webkit-scrollbar-track {
    background: var(--ios-gray-6, #F2F2F7);
    border-radius: 2px;
}

.ios-gallery-thumbs::-webkit-scrollbar-thumb {
    background: var(--ios-gray-4, #D1D1D6);
    border-radius: 2px;
}

.ios-gallery-thumbs .thumb {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.ios-gallery-thumbs .thumb:hover {
    border-color: var(--ios-gray-3, #C7C7CC);
    transform: scale(1.05);
}

.ios-gallery-thumbs .thumb.active {
    border-color: var(--ios-blue, #007AFF);
}

/* Product Info Section */
.ios-product-info-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ios-detail-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--ios-blue, #007AFF);
    background: rgba(0, 122, 255, 0.1);
    padding: 4px 10px;
    border-radius: 12px;
    width: fit-content;
}

.ios-detail-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--ios-label, #000);
    line-height: 1.2;
    margin: 0;
}

.ios-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ios-tag {
    font-size: 11px;
    font-weight: 500;
    color: var(--ios-gray-1, #8E8E93);
    background: var(--ios-gray-6, #F2F2F7);
    padding: 4px 8px;
    border-radius: 6px;
}

/* Price Section */
.ios-detail-price-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--ios-gray-6, #F2F2F7);
    border-radius: 12px;
}

.ios-detail-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.ios-price-big {
    font-size: 32px;
    font-weight: 700;
    color: var(--ios-label, #000);
}

.ios-price-currency {
    font-size: 16px;
    font-weight: 500;
    color: var(--ios-gray-1, #8E8E93);
}

.ios-stock-badge {
    display: flex;
    align-items: center;
}

.ios-badge-success {
    font-size: 13px;
    font-weight: 600;
    color: #34C759;
    background: rgba(52, 199, 89, 0.15);
    padding: 6px 12px;
    border-radius: 16px;
}

.ios-badge-danger {
    font-size: 13px;
    font-weight: 600;
    color: #FF3B30;
    background: rgba(255, 59, 48, 0.15);
    padding: 6px 12px;
    border-radius: 16px;
}

.ios-detail-desc {
    font-size: 15px;
    color: var(--ios-gray-1, #8E8E93);
    line-height: 1.5;
    margin: 0;
}

/* Variant Selection */
.ios-variant-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ios-variant-section.compact {
    gap: 10px;
    padding: 12px;
    background: var(--ios-gray-6, #F2F2F7);
    border-radius: 12px;
}

.ios-variant-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.ios-variant-grid .ios-variant-group {
    flex: 1;
    min-width: 100px;
}

.ios-variant-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ios-variant-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--ios-gray-1, #8E8E93);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ios-variant-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* Compact chip style */
.ios-variant-chip {
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    color: var(--ios-label, #000);
    background: #fff;
    border: 1.5px solid var(--ios-gray-4, #D1D1D6);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.ios-variant-chip:hover {
    border-color: var(--ios-blue, #007AFF);
}

.ios-variant-chip.selected {
    background: var(--ios-blue, #007AFF);
    border-color: var(--ios-blue, #007AFF);
    color: #fff;
}

.ios-variant-chip:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* Variant info line */
.ios-variant-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(0,0,0,0.06);
    font-size: 11px;
    color: var(--ios-gray-1, #8E8E93);
}

.ios-variant-sku {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    letter-spacing: -0.3px;
}

.ios-variant-weight {
    padding-left: 10px;
    border-left: 1px solid var(--ios-gray-4, #D1D1D6);
}

/* Legacy button style */
.ios-variant-btn {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ios-label, #000);
    background: var(--ios-gray-6, #F2F2F7);
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ios-variant-btn:hover {
    background: var(--ios-gray-5, #E5E5EA);
}

.ios-variant-btn.selected {
    background: rgba(0, 122, 255, 0.1);
    border-color: var(--ios-blue, #007AFF);
    color: var(--ios-blue, #007AFF);
}

.ios-variant-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Quantity Selector */
.ios-qty-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ios-qty-selector {
    display: inline-flex;
    align-items: center;
    background: var(--ios-gray-6, #F2F2F7);
    border-radius: 10px;
    overflow: hidden;
    width: fit-content;
}

.ios-qty-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 500;
    color: var(--ios-blue, #007AFF);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.ios-qty-btn:hover {
    background: var(--ios-gray-5, #E5E5EA);
}

.ios-qty-btn:active {
    background: var(--ios-gray-4, #D1D1D6);
}

.ios-qty-input {
    width: 60px;
    height: 44px;
    text-align: center;
    font-size: 17px;
    font-weight: 600;
    color: var(--ios-label, #000);
    background: transparent;
    border: none;
    -moz-appearance: textfield;
}

.ios-qty-input::-webkit-outer-spin-button,
.ios-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Action Buttons */
.ios-detail-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}

.ios-btn-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ios-blue, #007AFF);
    background: rgba(0, 122, 255, 0.1);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ios-btn-cart:hover {
    background: rgba(0, 122, 255, 0.2);
}

.ios-btn-cart:active {
    transform: scale(0.98);
}

.ios-btn-cart:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.ios-btn-buy {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: var(--ios-blue, #007AFF);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ios-btn-buy:hover {
    background: #0066d6;
}

.ios-btn-buy:active {
    transform: scale(0.98);
}

.ios-btn-buy:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Trust Badges */
.ios-trust-badges {
    display: flex;
    justify-content: space-around;
    padding: 16px;
    background: var(--ios-gray-6, #F2F2F7);
    border-radius: 12px;
    margin-top: 8px;
}

.ios-trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 500;
    color: var(--ios-gray-1, #8E8E93);
}

.ios-trust-icon {
    font-size: 24px;
}

/* iOS Tabs Section */
.ios-tabs-section {
    padding: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.ios-tabs-header {
    display: flex;
    gap: 8px;
    padding: 4px;
    background: var(--ios-gray-6, #F2F2F7);
    border-radius: 10px;
    margin-bottom: 16px;
}

.ios-tab-btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ios-gray-1, #8E8E93);
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ios-tab-btn:hover {
    color: var(--ios-label, #000);
}

.ios-tab-btn.active {
    background: #fff;
    color: var(--ios-label, #000);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ios-tabs-content {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--ios-gray-5, #E5E5EA);
}

.ios-tab-pane {
    display: none;
}

.ios-tab-pane.active {
    display: block;
}

.ios-content-text {
    font-size: 15px;
    color: var(--ios-label, #000);
    line-height: 1.6;
}

.ios-content-text p {
    margin-bottom: 12px;
}

.ios-content-text p:last-child {
    margin-bottom: 0;
}

.ios-empty-text {
    font-size: 14px;
    color: var(--ios-gray-1, #8E8E93);
    text-align: center;
    padding: 20px;
}

/* Specs Table */
.ios-specs-table {
    display: flex;
    flex-direction: column;
}

.ios-spec-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--ios-gray-5, #E5E5EA);
}

.ios-spec-row:last-child {
    border-bottom: none;
}

.ios-spec-label {
    font-size: 14px;
    color: var(--ios-gray-1, #8E8E93);
}

.ios-spec-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--ios-label, #000);
    text-align: right;
}

/* Responsive: Tablet and Desktop */
@media (min-width: 768px) {
    .ios-product-detail {
        padding: 24px;
    }

    .ios-product-detail-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .ios-product-main-image {
        border-radius: 20px;
    }

    .ios-detail-title {
        font-size: 28px;
    }

    .ios-price-big {
        font-size: 36px;
    }

    .ios-tabs-section {
        padding: 24px;
    }

    .ios-tabs-content {
        padding: 24px;
    }
}

@media (min-width: 1024px) {
    .ios-product-detail {
        padding: 32px 40px;
    }

    .ios-product-detail-grid {
        gap: 60px;
    }

    .ios-product-gallery {
        position: sticky;
        top: 100px;
        align-self: start;
    }

    .ios-detail-title {
        font-size: 32px;
    }

    .ios-tabs-section {
        padding: 32px 40px;
    }
}

/* ==========================================================================
   iOS Product QR Code Styles
   ========================================================================== */

.ios-qrcode-section {
    margin-top: 16px;
}

/* QR Code Brand Card Style */
.qrcode-brand-card {
    width: 200px;
    background: linear-gradient(180deg, #007AFF 0%, #0055D4 100%);
    border-radius: 16px;
    padding: 16px;
    color: white;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

.qrcode-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.qrcode-card-logo {
    width: 36px;
    height: 36px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.qrcode-card-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qrcode-card-brand {
    font-size: 16px;
    font-weight: 600;
    color: white;
}

.qrcode-card-body {
    background: white;
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 12px;
}

.qrcode-card-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

.qrcode-card-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    text-align: center;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.3;
}

.qrcode-text-zh {
    font-size: 11px;
    font-weight: 500;
}

.qrcode-text-en,
.qrcode-text-ru {
    font-size: 9px;
    opacity: 0.8;
}

.qrcode-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    margin-top: 12px;
    padding: 10px;
    font-size: 13px;
    font-weight: 600;
    color: #007AFF;
    background: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.qrcode-download-btn:hover {
    background: #f0f0f5;
}

.qrcode-download-btn:active {
    transform: scale(0.98);
}

/* QR Code Trigger Button */
.ios-qrcode-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    color: #007AFF;
    background: rgba(0, 122, 255, 0.1);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ios-qrcode-trigger:hover {
    background: rgba(0, 122, 255, 0.15);
}

.ios-qrcode-trigger:active {
    transform: scale(0.98);
}

/* QR Code Modal */
.qrcode-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.qrcode-modal.active {
    display: flex;
}

.qrcode-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.qrcode-modal-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
}

.qrcode-modal-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #86868b;
    background: #f5f5f7;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.qrcode-modal-close-btn:hover {
    background: #e5e5ea;
    color: #1d1d1f;
}

/* Large QR Code Card for Modal */
.qrcode-brand-card-large {
    width: 280px;
    background: linear-gradient(180deg, #007AFF 0%, #0055D4 100%);
    border-radius: 20px;
    padding: 24px;
    color: white;
    box-shadow: 0 8px 32px rgba(0, 122, 255, 0.4);
}

.qrcode-brand-card-large .qrcode-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.qrcode-brand-card-large .qrcode-card-logo {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.qrcode-brand-card-large .qrcode-card-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qrcode-brand-card-large .qrcode-card-brand {
    font-size: 22px;
    font-weight: 700;
}

.qrcode-brand-card-large .qrcode-card-body {
    background: white;
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 16px;
}

.qrcode-brand-card-large .qrcode-card-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.qrcode-brand-card-large .qrcode-card-product {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    padding: 0 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.qrcode-brand-card-large .qrcode-card-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.qrcode-brand-card-large .qrcode-text-zh {
    font-size: 13px;
    font-weight: 500;
}

.qrcode-brand-card-large .qrcode-text-en,
.qrcode-brand-card-large .qrcode-text-ru {
    font-size: 11px;
    opacity: 0.85;
}

.qrcode-modal .qrcode-download-btn {
    width: 280px;
}