/* =====================================================
   GameMarket - Dark Theme CSS
   Glassmorphism + Neon Gradient
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(139, 92, 246, 0.3);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --neon-purple: #8b5cf6;
    --neon-cyan: #00f5d4;
    --neon-pink: #ec4899;
    --neon-blue: #3b82f6;
    --gradient-main: linear-gradient(135deg, #8b5cf6, #00f5d4, #ec4899);
    --gradient-purple: linear-gradient(135deg, #8b5cf6, #6d28d9);
    --gradient-cyan: linear-gradient(135deg, #00f5d4, #06b6d4);
    --gradient-pink: linear-gradient(135deg, #ec4899, #db2777);
    --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.15);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: var(--neon-cyan); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--neon-purple); }

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

/* ==================== BACKGROUND EFFECTS ==================== */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 245, 212, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(236, 72, 153, 0.03) 0%, transparent 50%);
    z-index: -1;
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-2%, -1%); }
    66% { transform: translate(1%, 2%); }
}

/* ==================== CONTAINER ==================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== HEADER / NAVBAR ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-glow);
}

.navbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-brand i {
    -webkit-text-fill-color: var(--neon-cyan);
    font-size: 1.8rem;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.navbar-menu a {
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.navbar-menu a:hover, .navbar-menu a.active {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    position: relative;
}

.navbar-user .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

.navbar-user .balance {
    color: var(--neon-cyan);
    font-weight: 600;
    font-size: 0.85rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-purple);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(139, 92, 246, 0.4);
    color: white;
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--neon-purple);
    color: var(--text-primary);
}

.btn-success {
    background: var(--gradient-cyan);
    color: #0a0a0f;
    box-shadow: 0 4px 15px rgba(0, 245, 212, 0.3);
}
.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 245, 212, 0.4);
    color: #0a0a0f;
}

.btn-danger {
    background: var(--gradient-pink);
    color: white;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
}
.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(236, 72, 153, 0.4);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--neon-purple);
    border: 1px solid var(--neon-purple);
}
.btn-outline:hover {
    background: var(--neon-purple);
    color: white;
}

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ==================== HERO SECTION ==================== */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--neon-cyan);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-top: 60px;
    flex-wrap: wrap;
}

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

.hero-stat .number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat .label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* ==================== SEARCH BAR ==================== */
.search-section {
    padding: 0 0 60px;
}

.search-bar {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 8px;
    display: flex;
    gap: 8px;
    max-width: 800px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.search-bar input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
}

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

.search-bar select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

.search-bar .btn {
    padding: 12px 28px;
}

/* ==================== SECTION ==================== */
.section {
    padding: 80px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 800;
}

.section-title span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== CATEGORIES ==================== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.category-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}

.category-card:hover {
    border-color: var(--neon-purple);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    color: var(--text-primary);
}

.category-card .icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
}

.category-card .name {
    font-weight: 600;
    font-size: 0.9rem;
}

.category-card .count {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 4px;
}

/* ==================== PRODUCT GRID ==================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.product-card .image {
    position: relative;
    padding-top: 60%;
    background: var(--bg-secondary);
    overflow: hidden;
}

.product-card .image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-card .badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: rgba(139, 92, 246, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.product-card .game-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.7rem;
    color: var(--neon-cyan);
    border: 1px solid rgba(0, 245, 212, 0.3);
}

.product-card .info {
    padding: 16px;
}

.product-card .title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.product-card .meta span {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.product-card .price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.product-card .price {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--neon-cyan);
}

.product-card .seller {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ==================== CARDS / GLASS ==================== */
.card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(10px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
}

/* ==================== FORMS ==================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--neon-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-control::placeholder { color: var(--text-muted); }

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

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-help {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.form-error {
    color: var(--neon-pink);
    font-size: 0.8rem;
    margin-top: 6px;
}

/* ==================== TABLE ==================== */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* ==================== BADGES ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: rgba(0, 245, 212, 0.1); color: var(--neon-cyan); }
.badge-warning { background: rgba(251, 191, 36, 0.1); color: #fbbf24; }
.badge-danger { background: rgba(236, 72, 153, 0.1); color: var(--neon-pink); }
.badge-info { background: rgba(59, 130, 246, 0.1); color: var(--neon-blue); }
.badge-purple { background: rgba(139, 92, 246, 0.1); color: var(--neon-purple); }

/* ==================== AUTH PAGES ==================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    width: 100%;
    max-width: 440px;
    backdrop-filter: blur(20px);
}

.auth-card .logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-card .logo h2 {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card .logo p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 8px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==================== ALERT ==================== */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(0, 245, 212, 0.1);
    border: 1px solid rgba(0, 245, 212, 0.3);
    color: var(--neon-cyan);
}

.alert-danger {
    background: rgba(236, 72, 153, 0.1);
    border: 1px solid rgba(236, 72, 153, 0.3);
    color: var(--neon-pink);
}

.alert-warning {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    color: #fbbf24;
}

/* ==================== PAGINATION ==================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    padding: 8px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.page-btn:hover, .page-btn.active {
    background: var(--neon-purple);
    border-color: var(--neon-purple);
    color: white;
}

/* ==================== DASHBOARD (ADMIN) ==================== */
.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px 0;
    position: fixed;
    width: 260px;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.admin-sidebar .logo {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.admin-sidebar .logo h3 {
    font-size: 1.3rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-sidebar .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.admin-sidebar .nav-item:hover, .admin-sidebar .nav-item.active {
    color: var(--text-primary);
    background: rgba(139, 92, 246, 0.1);
    border-right: 3px solid var(--neon-purple);
}

.admin-sidebar .nav-item i {
    width: 20px;
    text-align: center;
}

.admin-content {
    margin-left: 260px;
    padding: 32px;
    min-height: 100vh;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.admin-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.stat-card .icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card .icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--neon-purple); }
.stat-card .icon.cyan { background: rgba(0, 245, 212, 0.15); color: var(--neon-cyan); }
.stat-card .icon.pink { background: rgba(236, 72, 153, 0.15); color: var(--neon-pink); }
.stat-card .icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--neon-blue); }

.stat-card .text .number {
    font-size: 1.6rem;
    font-weight: 800;
}

.stat-card .text .label {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ==================== TABS ==================== */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 4px;
}

.tab-btn {
    padding: 8px 20px;
    border: none;
    background: none;
    color: var(--text-muted);
    font-family: inherit;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
    background: var(--neon-purple);
    color: white;
}

.tab-content {
    display: none;
}

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

/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.4rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--neon-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ==================== MODAL ==================== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 32px;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover { color: var(--neon-pink); }

/* ==================== LOADING ==================== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--neon-purple);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== ANIMATIONS ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.glow-on-hover:hover {
    box-shadow: var(--shadow-glow);
}

/* ==================== GALLERY ==================== */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.gallery img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.gallery img:hover, .gallery img.active {
    border-color: var(--neon-purple);
    transform: scale(1.02);
}

/* ==================== WALLET / BALANCE ==================== */
.wallet-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

.wallet-balance {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wallet-balance .amount {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--neon-cyan);
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
    }

    .navbar-menu.active { display: flex; }

    .mobile-toggle { display: block; }

    .hero h1 { font-size: 2rem; }
    .hero-stats { gap: 24px; }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar {
        transform: translateX(-100%);
        transition: var(--transition);
    }
    .admin-sidebar.active { transform: translateX(0); }
    .admin-content { margin-left: 0; }

    .stats-grid { grid-template-columns: 1fr 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: repeat(3, 1fr); }

    .search-bar {
        flex-direction: column;
    }

    .wallet-bar {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
}

/* ==================== CUSTOM SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.5);
}

/* ==================== CHECKOUT ==================== */
.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 24px;
}

@media (max-width: 768px) {
    .checkout-grid { grid-template-columns: 1fr; }
}

.payment-methods {
    display: grid;
    gap: 12px;
}

.payment-method {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.payment-method:hover, .payment-method.active {
    border-color: var(--neon-purple);
}

.payment-method input[type="radio"] {
    accent-color: var(--neon-purple);
}

.payment-method .icon {
    font-size: 1.5rem;
}

.payment-method .label {
    font-weight: 600;
}

.payment-method .desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}