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

:root {
    --bg-primary: #05030a;
    --bg-secondary: rgba(15, 12, 27, 0.7);
    --bg-tertiary: rgba(25, 20, 45, 0.85);
    --accent: #0118D8;
    --accent-glow: rgba(1, 24, 216, 0.4);
    --accent-secondary: #f2295b;
    --accent-secondary-glow: rgba(242, 41, 91, 0.4);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-border-focus: rgba(242, 41, 91, 0.5);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(1, 24, 216, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(242, 41, 91, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

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

/* Header styling */
header {
    background: rgba(10, 8, 19, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    font-weight: 400;
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
}

.search-bar {
    flex: 0 1 400px;
    margin: 0 2rem;
}

.search-bar form {
    position: relative;
}

.search-bar input {
    width: 100%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.search-bar input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    background: rgba(20, 16, 38, 0.8);
}

.search-bar svg {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.1rem;
    height: 1.1rem;
    color: var(--text-secondary);
    pointer-events: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-secondary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(242, 41, 91, 0.6);
}

.btn-pulse {
    animation: tg-pulse 2s infinite;
}

@keyframes tg-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(242, 41, 91, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(242, 41, 91, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(242, 41, 91, 0);
    }
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--glass-border);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
    transform: translateY(-2px);
}

/* Layout container */
main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

/* Footer UI */
footer {
    background: rgba(10, 8, 19, 0.9);
    border-top: 1px solid var(--glass-border);
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: auto;
}

/* Glass panel */
.glass-panel {
    background: var(--bg-secondary);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Grid systems */
.catalog-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.5rem;
}

/* Filter/Sidebar */
.sidebar {
    height: fit-content;
}

.sidebar h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.filter-btn {
    text-align: left;
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.filter-btn:hover, .filter-btn.active {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent);
    font-weight: 500;
}

/* Product Card */
.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
}

.card-img-wrapper {
    position: relative;
    width: 100%;
    padding-top: 65%; /* 16:9 approx */
    background: #110d24;
    overflow: hidden;
}

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

.product-card:hover .card-img {
    scale: 1.05;
}

.card-category {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: rgba(10, 8, 19, 0.85);
    border: 1px solid var(--glass-border);
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
}

.card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.7rem;
}

.card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--glass-border);
    padding-top: 0.75rem;
}

.card-price {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
}

/* Forms styling */
.form-container {
    max-width: 480px;
    margin: 3rem auto;
}

.form-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-align: center;
}

.form-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    background: rgba(10, 8, 19, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    outline: none;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
    background: rgba(20, 16, 38, 0.8);
}

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

.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #a7f3d0;
}

.alert-info {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #bfdbfe;
}

/* Detail page styling */
.product-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 1.5rem;
}

.gallery-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.main-image-wrapper {
    background: #110d24;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    padding-top: 75%;
}

.main-image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
}

.thumb-item {
    background: #110d24;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    padding-top: 100%;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.thumb-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-item.active, .thumb-item:hover {
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    transform: scale(1.05);
}

.details-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.details-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
}

.details-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-secondary);
}

.details-desc {
    color: var(--text-secondary);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: 1.5rem 0;
    font-size: 1rem;
}

/* Pay / Checkout QR UI */
.checkout-box {
    max-width: 500px;
    margin: 2rem auto;
    text-align: center;
}

.qr-wrapper {
    background: #fff;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    display: inline-block;
    margin: 1.5rem 0;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.qr-wrapper img {
    display: block;
    max-width: 100%;
}

.payment-instructions {
    text-align: left;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent);
}

/* Dashboard UI */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.table-wrapper {
    overflow-x: auto;
    margin-top: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.status-badge {
    display: inline-flex;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-pending {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

.status-approved {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #a7f3d0;
}

.status-rejected {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* Admin panel sections */
.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2.5rem;
}

.admin-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-menu-link {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-menu-link:hover, .admin-menu-link.active {
    background: rgba(139, 92, 246, 0.15);
    color: var(--text-primary);
    border-left: 3px solid var(--accent);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.stat-val {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    margin-top: 0.5rem;
}

/* Responsive queries */
@media (max-width: 1024px) {
    .catalog-layout, .admin-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-details {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Swipeable horizontal scrolling categories bar on tablets & mobile */
    .filter-group {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.75rem;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        gap: 0.5rem;
        scrollbar-width: thin;
        scrollbar-color: var(--accent) transparent;
    }

    .filter-btn {
        flex: 0 0 auto;
        padding: 0.5rem 1rem;
    }

    .sidebar h3 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    /* Swipeable horizontal scrolling admin sidebar navigation on tablets & mobile */
    .admin-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.75rem;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        gap: 0.5rem;
        scrollbar-width: thin;
        scrollbar-color: var(--accent) transparent;
    }

    .admin-menu-link {
        flex: 0 0 auto;
        padding: 0.6rem 1rem;
        border-left: none;
        border-bottom: 3px solid transparent;
        border-radius: var(--radius-sm);
    }

    .admin-menu-link:hover, .admin-menu-link.active {
        border-left: none;
        border-bottom: 3px solid var(--accent);
        background: rgba(139, 92, 246, 0.1);
    }
    
    .admin-sidebar {
        margin-bottom: 1rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .search-bar {
        width: 100%;
        margin: 0;
        flex: auto;
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .stat-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .glass-panel {
        padding: 1.25rem;
    }
    main {
        padding: 1rem 0.5rem;
    }
    .hero-section {
        padding: 2.5rem 1rem !important;
    }
    .details-title {
        font-size: 1.6rem;
    }
    .details-price {
        font-size: 1.5rem;
    }
}