/* Custom CSS for Marketplace Platform */

:root {
    /* Dark theme palette inspired by marketplace UIs */
    --primary-color: #f5c518; /* accent (gold) */
    --primary-contrast: #0f0f0f;
    --secondary-color: #2b2b2b;
    --success-color: #28a745;
    --danger-color: #ff4d4f;
    --warning-color: #f5c518;
    --info-color: #17a2b8;
    --light-color: #1a1a1a;
    --dark-color: #0f0f0f;
    --text-color: #ffffff;
    --muted-text: #e0e0e0;
    --card-bg: #141414;
    --border-color: #2e2e2e;
}

/* Global Styles */
body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background: var(--dark-color);
    color: var(--text-color);
    padding-top: 76px; /* Bù đắp cho fixed navbar */
}

/* Links */
a { color: var(--text-color); }
a:hover { color: #ffdf6a; }

/* Typography scale */
h1, .h1 { letter-spacing: -0.02em; color: var(--text-color); }
h2, .h2 { letter-spacing: -0.01em; color: var(--text-color); }
p { color: var(--text-color); }
.text-muted { color: var(--muted-text) !important; }

/* Navigation */
.navbar {
    background: rgba(15, 15, 15, 0.9) !important;
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--text-color) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.2s ease, background 0.2s ease;
    color: #eaeaea !important;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-dark .navbar-toggler { border-color: var(--border-color); }
.navbar .dropdown-menu {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}
.navbar .dropdown-item { color: var(--text-color); }
.navbar .dropdown-item:hover { background: #1e1e1e; color: var(--primary-color); }

/* Menu spacing & font */
.navbar-nav .nav-link { padding: .75rem 1rem; font-size: 0.975rem; }
.navbar-brand { letter-spacing: .5px; }

/* Hero Section */
.hero-section {
    background: radial-gradient(1000px 500px at 10% 10%, #1b1b1b 0%, #0f0f0f 60%),
                linear-gradient(135deg, #111 0%, #0f0f0f 100%);
    min-height: 500px;
    display: flex;
    align-items: center;
}

/* Horizontal pill bar */
.pillbar {
    display: flex; gap: .5rem; align-items: center;
    overflow-x: auto; padding: .25rem 0;
    scrollbar-width: thin;
}
.pillbar .pill {
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--border-color);
    background: #121212; color: var(--text-color);
    border-radius: 999px; padding: .5rem .9rem;
    font-weight: 600; font-size: .9rem;
    white-space: nowrap;
}
.pillbar .pill.active { background: var(--primary-color); color: #0f0f0f; border-color: var(--primary-color); }
.pillbar .pill:hover { border-color: #3a3a3a; color: var(--primary-color); }

/* Cards */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    box-shadow: 0 8px 24px rgba(0,0,0,0.45);
}
.card, .card-body { color: var(--text-color); }
.card .small, .card small, .small { color: var(--muted-text) !important; }
.card .fw-bold { color: var(--text-color); }

/* Modals on dark theme */
.modal-content { color: var(--text-color); background: var(--card-bg); border: 1px solid var(--border-color); }
.modal-header .btn-close { filter: invert(1); opacity: .9; }
.modal-header .btn-close:hover { opacity: 1; }
.modal-title { color: var(--text-color); }

/* Auth pages spacing and clarity */
.auth-card { margin-top: 24px; }
.auth-card h1, .auth-card h2, .auth-card h3 { color: var(--text-color); }
.auth-card .form-label { color: var(--text-color); font-weight: 600; }
.auth-card .form-control { background: #111; color: var(--text-color); border-color: var(--border-color); }
.auth-card .form-text, .auth-card small { color: var(--muted-text) !important; }

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.card-img-top {
    transition: transform 0.3s ease;
}

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

/* Product Cards */
.product-card {
    position: relative;
    overflow: hidden;
}

.product-card .badge {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
}

.product-card .card-img-top {
    height: 200px;
    object-fit: cover;
}

/* Buttons */
.btn {
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

/* Pills/Tabs tone to gold */
.nav-pills .nav-link {
    color: var(--primary-color);
    background: transparent;
    border: 1px solid var(--primary-color);
    border-radius: 999px;
}
.nav-pills .nav-link:hover {
    background: rgba(245, 197, 24, 0.1);
    color: var(--primary-color);
}
.nav-pills .nav-link.active {
    background: var(--primary-color);
    color: #0f0f0f;
    border-color: var(--primary-color);
}

.btn-primary {
    color: #0f0f0f;
    background: var(--primary-color);
    border: none;
}

.btn-primary:hover {
    background: #ffd84a;
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #0f0f0f;
    transform: translateY(-2px);
}

/* Secondary / Ghost Buttons */
.btn-secondary {
    background: #222;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: #2a2a2a; border-color: #333; }

.btn-ghost {
    background: transparent;
    color: var(--muted-text);
    border: 1px solid transparent;
}
.btn-ghost:hover { color: var(--primary-color); border-color: var(--border-color); }

/* Forms */
.form-control {
    border-radius: 10px;
    border: 2px solid var(--border-color);
    background: #151515;
    color: var(--text-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(245, 197, 24, 0.15);
}
.form-control::placeholder { color: #9a9a9a; }

.form-label { color: var(--text-color); }
.form-check-input { background: #111; border-color: var(--border-color); }
.form-check-input:checked { background-color: var(--primary-color); border-color: var(--primary-color); }

/* Select (dropdown) on dark */
.form-select {
    border-radius: 10px;
    border: 2px solid var(--border-color);
    background: #151515;
    color: var(--text-color);
}
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(245, 197, 24, 0.15);
}

/* Alerts */
.alert {
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

/* Badges */
.badge { border-radius: 6px; font-weight: 600; }
.badge-primary { background: var(--primary-color); color: #0f0f0f; }
.badge-muted { background: #1f1f1f; color: var(--muted-text); }

/* Footer */
footer {
    background: #0c0c0c;
    border-top: 1px solid var(--border-color);
}

footer a {
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--primary-color) !important;
}

/* Pagination */
.pagination { --bs-pagination-bg: var(--card-bg); }
.page-link {
    background: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}
.page-link:hover { color: var(--primary-color); background: #1e1e1e; }
.page-item.active .page-link { background: var(--primary-color); color: #0f0f0f; border-color: var(--primary-color); }

/* Product Detail */
.product-gallery {
    position: sticky;
    top: 20px;
}

.product-info {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    color: var(--text-color);
}

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

.compare-price {
    text-decoration: line-through;
    color: var(--muted-text);
    font-size: 1.2rem;
}

.discount-badge {
    background: var(--danger-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: bold;
}

/* Product details table on dark */
.product-details .table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-color);
    border-color: var(--border-color);
}
.product-details .table td, .product-details .table th {
    border-color: var(--border-color);
}

/* Cart */
.cart-item {
    border-bottom: 1px solid #e9ecef;
    padding: 1rem 0;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-summary {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    position: sticky;
    top: 20px;
}

.cart-summary h5 { color: var(--text-color); }
.cart-summary .d-flex span:first-child { color: var(--muted-text); }
.cart-summary .d-flex span:last-child { color: var(--text-color); font-weight: 600; }

/* Auth Card */
.auth-wrapper { min-height: 70vh; display: flex; align-items: center; justify-content: center; }
.auth-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; padding: 2rem; max-width: 420px; width: 100%; box-shadow: 0 12px 30px rgba(0,0,0,0.3); }
.auth-title { font-weight: 700; margin-bottom: 1rem; }
.auth-subtitle { color: var(--muted-text); margin-bottom: 1.5rem; }
.auth-actions { display: flex; gap: .5rem; align-items: center; justify-content: space-between; }

/* Tables on dark */
.table-dark { --bs-table-bg: #121212; --bs-table-striped-bg: #1a1a1a; --bs-table-striped-color: var(--text-color); --bs-table-color: var(--text-color); }

/* Order Status */
.status-badge {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-confirmed {
    background: #d1ecf1;
    color: #0c5460;
}

.status-shipped {
    background: #d4edda;
    color: #155724;
}

.status-delivered {
    background: #d1ecf1;
    color: #0c5460;
}

.status-cancelled {
    background: #f8d7da;
    color: #721c24;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        min-height: 400px;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .card-img-top {
        height: 150px;
    }
    
    .price {
        font-size: 1.5rem;
    }
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}