/**
 * Main Stylesheet
 * Oyuncak Hane  - Modern Toy Marketplace
 * Black & White Modern Theme
 */

/* =============================================
   CSS VARIABLES
============================================= */
:root {
    /* Colors */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    /* Accent colors */
    --color-primary: #000000;
    --color-primary-light: #333333;
    --color-secondary: #f5f5f5;
    --color-accent: #000000;
    
    /* Status colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* =============================================
   RESET & BASE
============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

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

button {
    cursor: pointer;
    font-family: inherit;
}

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

/* =============================================
   UTILITIES
============================================= */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }

.fw-light { font-weight: 300; }
.fw-normal { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mx-auto { margin-left: auto; margin-right: auto; }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* =============================================
   HEADER
============================================= */
.header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-black);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.logo i {
    font-size: var(--font-size-2xl);
    transition: all 0.3s ease;
}

.logo img {
    max-height: 50px;
    max-width: 200px;
    object-fit: contain;
    display: block;
    transition: all 0.3s ease;
}

.logo:hover {
    color: var(--color-black);
    transform: scale(1.05);
}

.logo:hover i,
.logo:hover img {
    animation: logoWobble 0.6s ease-in-out;
}

@keyframes logoWobble {
    0%, 100% { transform: rotate(0deg) scale(1); }
    15% { transform: rotate(-5deg) scale(1.1); }
    30% { transform: rotate(5deg) scale(1.1); }
    45% { transform: rotate(-5deg) scale(1.1); }
    60% { transform: rotate(5deg) scale(1.1); }
    75% { transform: rotate(-2deg) scale(1.05); }
    90% { transform: rotate(2deg) scale(1.05); }
}

.search-form {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-form input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-left: 3rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
    background: var(--color-gray-50);
}

.search-form input:focus {
    outline: none;
    border-color: var(--color-black);
    background: var(--color-white);
}

.search-form i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-action-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.header-action-btn:hover {
    background: linear-gradient(135deg, #0e7490 0%, #0c5f75 100%);
    color: var(--color-white);
}

.header-action-btn .badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-danger);
    color: var(--color-white);
    font-size: 10px;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    background: transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.user-menu-btn:hover {
    border-color: var(--color-gray-400);
}

.user-menu-btn img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.user-avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #e5e5e5 0%, #d4d4d4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #737373;
    font-size: 1rem;
}

.user-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-sm);
    min-width: 220px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 9999;
}

.user-menu:hover .user-menu-dropdown,
.user-menu-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-dropdown a,
.user-menu-dropdown button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-gray-700);
    background: none;
    border: none;
    text-align: left;
    transition: background var(--transition-fast);
}

.user-menu-dropdown a:hover,
.user-menu-dropdown button:hover {
    background: var(--color-gray-100);
    color: var(--color-black);
}

.user-menu-dropdown .divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--spacing-xs) 0;
}

.user-menu-dropdown .user-info {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.user-menu-dropdown .user-info strong {
    display: block;
    color: var(--color-black);
}

.user-menu-dropdown .user-info span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* Header nav */
.header-nav {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-sm) 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-nav::-webkit-scrollbar {
    display: none;
}

.header-nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-600);
    font-weight: 500;
    white-space: nowrap;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.header-nav a:hover,
.header-nav a.active {
    color: #0e7490;
    border-bottom-color: #0e7490;
}

/* Language switcher */
.lang-switcher {
    display: flex;
    gap: var(--spacing-xs);
}

.lang-switcher a {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-500);
}

.lang-switcher a.active {
    background: var(--color-black);
    color: var(--color-white);
}

/* =============================================
   BUTTONS
============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, #0e7490 0%, #0c5f75 100%);
    color: var(--color-white);
    border-color: #0e7490;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #0c5f75 0%, #0a4d5c 100%);
    border-color: #0c5f75;
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(14, 116, 144, 0.3);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
    color: var(--color-black);
}

.btn-outline {
    background: transparent;
    color: var(--color-black);
    border-color: var(--color-black);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-danger {
    background: var(--color-danger);
    color: var(--color-white);
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    border-color: #dc2626;
    color: var(--color-white);
}

.btn-success {
    background: var(--color-success);
    color: var(--color-white);
    border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
    background: #16a34a;
    border-color: #16a34a;
    color: var(--color-white);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

.btn-icon.btn-sm {
    width: 36px;
    height: 36px;
}

.btn-google {
    background: var(--color-white);
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-google:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-900);
}

.btn-google img {
    width: 20px;
    height: 20px;
}

/* =============================================
   FORMS
============================================= */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.form-control:disabled {
    background: var(--color-gray-100);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-valid {
    border-color: var(--color-success);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23666'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.invalid-feedback {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-danger);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin: 0;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    accent-color: var(--color-black);
}

.form-check-label {
    cursor: pointer;
    color: var(--color-gray-700);
}

/* =============================================
   CARDS
============================================= */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-img-top {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.card-body {
    padding: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.card-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

/* Product Card */
.product-card {
    position: relative;
}

.product-card .product-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.product-card .product-image img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: block;
}

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

.product-card .product-badges {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.product-card .badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.product-card .badge-new {
    background: var(--color-black);
    color: var(--color-white);
}

.product-card .badge-tradeable {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.product-card .product-actions {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-fast);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}

.product-card .action-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-gray-600);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-card .action-btn:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.product-card .action-btn.favorited {
    color: var(--color-danger);
}

.product-card .product-info {
    padding: var(--spacing-md);
}

.product-card .product-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 40px;
}

.product-card .product-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-black);
}

.product-card .product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.product-card .product-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* =============================================
   PRODUCT GRID
============================================= */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.products-slider {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: var(--spacing-sm);
}

.products-slider::-webkit-scrollbar {
    display: none;
}

.products-slider .product-card {
    flex: 0 0 260px;
    scroll-snap-align: start;
}

/* =============================================
   SECTION
============================================= */
.section {
    padding: var(--spacing-2xl) 0;
}

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

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-black);
}

.section-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-gray-600);
}

.section-link:hover {
    color: var(--color-black);
}

/* =============================================
   CATEGORIES
============================================= */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-fast);
}

.category-card:hover {
    background: linear-gradient(135deg, #0e7490 0%, #0c5f75 100%);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(14, 116, 144, 0.3);
}

.category-card i {
    font-size: var(--font-size-2xl);
}

.category-card span {
    font-weight: 500;
    font-size: var(--font-size-sm);
}

/* =============================================
   FOOTER
============================================= */
.footer {
    margin-top: auto;
    background: linear-gradient(135deg, #0a4d5c 0%, #083d4a 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 4rem 0 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.footer .container {
    max-width: 100%;
    padding: 0 4%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1.5fr 1.3fr;
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    max-width: 100%;
    width: 100%;
}

.footer-col {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.footer-col:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.footer-col h4 {
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(135deg, #0e7490 0%, #0c5f75 100%);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.9rem;
    position: relative;
}

.footer-col a i {
    font-size: 0.875rem;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.footer-col a:hover {
    color: #ffffff;
    transform: translateX(4px);
}

.footer-col a:hover i {
    opacity: 1;
    color: #0e7490;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.25rem;
    text-decoration: none;
}

.footer-logo i {
    font-size: 2rem;
    color: #0e7490;
}

.footer-logo img {
    max-height: 40px;
    max-width: 180px;
    object-fit: contain;
    display: block;
    filter: brightness(0) invert(1);
}

.footer-logo:hover {
    color: #ffffff;
}

.footer-social {
    display: flex;
    gap: 0.625rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social a:hover {
    background: linear-gradient(135deg, #0e7490 0%, #0c5f75 100%);
    color: #ffffff;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(14, 116, 144, 0.3);
    border-color: transparent;
}

.footer-bottom {
    padding: 1.75rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.footer-bottom-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.footer-bottom-links a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.donation-notice {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 3px solid #0e7490;
}

.donation-notice i {
    color: #0e7490;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.donation-notice p {
    margin: 0.5rem 0;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.donation-notice small {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

/* =============================================
   MOBILE BOTTOM NAV
============================================= */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    padding: var(--spacing-sm) 0;
    z-index: var(--z-fixed);
}

.mobile-nav-list {
    display: flex;
    justify-content: space-around;
    list-style: none;
}

.mobile-nav-item a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-xs);
    color: var(--color-gray-500);
    font-size: var(--font-size-xs);
    text-decoration: none;
    position: relative;
}

.mobile-nav-item a.active,
.mobile-nav-item a:hover {
    color: var(--color-black);
}

.mobile-nav-item i {
    font-size: 20px;
}

.mobile-nav-item .badge {
    position: absolute;
    top: -2px;
    right: 10px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--color-danger);
    color: var(--color-white);
    font-size: 10px;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =============================================
   ALERTS
============================================= */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.alert-error,
.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fefce8;
    color: #854d0e;
    border: 1px solid #fef08a;
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.alert-dismissible {
    padding-right: 3rem;
    position: relative;
}

.alert .btn-close {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    width: 24px;
    height: 24px;
    padding: 0;
    background: transparent;
    border: none;
    opacity: 0.5;
    cursor: pointer;
}

.alert .btn-close:hover {
    opacity: 1;
}

/* =============================================
   BADGES
============================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.bg-success { background: var(--color-success); color: white; }
.bg-danger { background: var(--color-danger); color: white; }
.bg-warning { background: var(--color-warning); color: white; }
.bg-info { background: var(--color-info); color: white; }
.bg-secondary { background: var(--color-gray-500); color: white; }
.bg-primary { background: var(--color-black); color: white; }

/* =============================================
   RATING STARS
============================================= */
.rating-stars {
    display: inline-flex;
    gap: 2px;
    color: #fbbf24;
}

.rating-stars.rating-sm {
    font-size: var(--font-size-sm);
}

.rating-stars.rating-lg {
    font-size: var(--font-size-xl);
}

.rating-stars .far {
    color: var(--color-gray-300);
}

/* =============================================
   MODAL
============================================= */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.modal-backdrop.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.modal.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-gray-500);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-black);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

/* =============================================
   TABS
============================================= */
.tabs {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 2px solid var(--color-gray-200);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--color-gray-500);
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    transition: color var(--transition-fast);
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-black);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-gray-700);
}

.tab-btn.active {
    color: var(--color-black);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-content {
    display: none;
}

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

/* =============================================
   AUTH PAGES
============================================= */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
}

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

.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-black);
}

.auth-title {
    text-align: center;
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    text-align: center;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xl);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-gray-200);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-gray-600);
}

/* =============================================
   PROFILE PAGE
============================================= */
.profile-header {
    background: linear-gradient(135deg, var(--color-gray-900), var(--color-gray-700));
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
}

.profile-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    border: 4px solid var(--color-white);
    object-fit: cover;
}

.profile-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.profile-username {
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-sm);
}

.profile-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.profile-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-md);
}

.profile-stat {
    text-align: center;
}

.profile-stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.profile-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-300);
}

.profile-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

/* =============================================
   MESSAGE PAGE
============================================= */
.messages-container {
    display: flex;
    height: calc(100vh - 200px);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.conversations-list {
    width: 320px;
    border-right: 1px solid var(--color-gray-200);
    overflow-y: auto;
}

.conversation-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-100);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.conversation-item:hover,
.conversation-item.active {
    background: var(--color-gray-50);
}

.conversation-item img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.conversation-info {
    flex: 1;
    min-width: 0;
}

.conversation-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.conversation-preview {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-time {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.message.sent {
    flex-direction: row-reverse;
}

.message-content {
    max-width: 70%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    background: var(--color-gray-100);
}

.message.sent .message-content {
    background: var(--color-black);
    color: var(--color-white);
}

.chat-input {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.chat-input input {
    flex: 1;
}

/* =============================================
   LOADING SPINNER
============================================= */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-black);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

/* =============================================
   EMPTY STATE
============================================= */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state i {
    font-size: 64px;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

.empty-state p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-top {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .logo i {
        font-size: 1.5rem;
    }
    
    .header-actions {
        gap: 0.5rem;
    }
    
    .header-action-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .user-menu-btn {
        width: 36px;
        height: 36px;
        padding: 2px;
        overflow: hidden;
    }
    
    .user-menu-btn img,
    .user-avatar-placeholder {
        width: 32px;
        height: 32px;
    }
    
    .badge {
        min-width: 16px;
        height: 16px;
        font-size: 0.65rem;
        padding: 0 4px;
        top: -4px;
        right: -4px;
    }
    
    .search-form {
        order: 3;
        flex: 0 0 100%;
        max-width: none;
        margin-top: var(--spacing-sm);
    }
    
    .search-form input {
        font-size: 0.9rem;
        padding: 0.6rem 2.5rem;
    }
    
    .search-form i {
        font-size: 1rem;
    }
    
    .header-nav {
        display: none;
    }
    
    .mobile-nav {
        display: block;
    }
    
    body {
        padding-bottom: 70px;
    }
    
    .footer {
        padding: 2.5rem 0 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 2rem;
        padding-bottom: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .profile-info {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-stats {
        justify-content: center;
    }
    
    .messages-container {
        flex-direction: column;
        height: auto;
    }
    
    .conversations-list {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
        max-height: 300px;
    }
    
    .chat-area {
        min-height: 400px;
    }
    
    .auth-card {
        padding: var(--spacing-lg);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo span {
        font-size: 1.1rem;
    }
    
    .header-actions {
        gap: 0.25rem;
    }
    
    .header-action-btn {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    .user-menu-btn {
        width: 32px;
        height: 32px;
        padding: 2px;
        overflow: hidden;
    }
    
    .user-menu-btn img,
    .user-avatar-placeholder {
        width: 28px;
        height: 28px;
    }
    
    .user-menu-btn .fa-chevron-down {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-slider .product-card {
        flex: 0 0 160px;
    }
    
    .header-actions {
        gap: var(--spacing-xs);
    }
    
    .header-action-btn {
        width: 38px;
        height: 38px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .category-card {
        padding: var(--spacing-md);
    }
    
    .category-card i {
        font-size: var(--font-size-xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .modal {
        width: 95%;
    }
}

/* =============================================
   TOAST NOTIFICATIONS
============================================= */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    min-width: 300px;
    max-width: 500px;
    background: #ffffff;
    color: #1f2937;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast i {
    font-size: 1.5rem;
}

.toast-success {
    border-left: 4px solid #10b981;
}

.toast-success i {
    color: #10b981;
}

.toast-error {
    border-left: 4px solid #ef4444;
}

.toast-error i {
    color: #ef4444;
}

.toast-info {
    border-left: 4px solid #3b82f6;
}

.toast-info i {
    color: #3b82f6;
}

.toast-warning {
    border-left: 4px solid #f59e0b;
}

.toast-warning i {
    color: #f59e0b;
}

@media (max-width: 640px) {
    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        min-width: auto;
    }
}

/* =============================================
   ORDER PROGRESS STYLES
============================================= */
.order-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.step-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #9ca3af;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.progress-step.completed .step-icon {
    background: linear-gradient(135deg, #0e7490 0%, #0c5f75 100%);
    color: white;
}

.progress-step span {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 500;
    text-align: center;
    max-width: 100px;
}

.progress-step.completed span {
    color: #0e7490;
    font-weight: 600;
}

.progress-line {
    width: 100px;
    height: 3px;
    background: #e5e7eb;
    position: relative;
    transition: all 0.3s ease;
}

.progress-line.completed {
    background: linear-gradient(90deg, #0e7490 0%, #0c5f75 100%);
}

@media (max-width: 768px) {
    .order-progress {
        overflow-x: auto;
        justify-content: flex-start;
        padding: 1.5rem;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .progress-line {
        width: 60px;
    }
    
    .progress-step span {
        font-size: 0.75rem;
        max-width: 80px;
    }
}

/* =============================================
    }
}