@font-face {
    font-family: 'Iosevka Nerd';
    src: url('/static/fonts/IosevkaNerdFontMono-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Iosevka Nerd';
    src: url('/static/fonts/IosevkaNerdFont-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'JetBrains Mono Nerd';
    src: url('/static/fonts/JetBrainsMonoNerdFontMono-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'JetBrains Mono Nerd';
    src: url('/static/fonts/JetBrainsMonoNerdFontMono-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

:root {
    --bg: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --text: #ffffff;
    --text-muted: #888888;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --border: #222222;
    --success: #10b981;
    --error: #ef4444;
}

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

body {
    font-family: 'JetBrains Mono Nerd', 'Iosevka Nerd', monospace;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 15px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 2rem;
    backdrop-filter: blur(10px);
}

header nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.02em;
}

.logo:hover {
    color: var(--accent);
}

.cart-link {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.cart-link:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    flex: 1;
    width: 100%;
}

h1 {
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
}

.product-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.product-card h2 {
    font-size: 1.125rem;
    padding: 1.25rem 1.25rem 0.5rem;
    color: var(--text);
}

.product-card p {
    padding: 0 1.25rem 1.25rem;
    color: var(--accent);
    font-weight: 600;
    font-size: 1.125rem;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
}

@media (max-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.product-gallery {
    width: 100%;
}

.gallery-main {
    width: 100%;
    border-radius: 16px;
    background: var(--bg-secondary);
    aspect-ratio: 1;
    object-fit: cover;
}

.gallery-thumbs {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.gallery-thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid var(--border);
    transition: border-color 0.2s;
    background: var(--bg-secondary);
}

.gallery-thumb:hover {
    border-color: var(--accent);
}

.gallery-thumb.active {
    border-color: var(--accent);
}

.product-info {
    display: flex;
    flex-direction: column;
}

.product-info h1 {
    margin-bottom: 1rem;
}

.product-price {
    font-size: 2rem;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.product-description {
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

form label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

select, input[type="number"] {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.2s;
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

select:focus, input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.qty-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-btn:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: white;
}

.qty-display {
    width: 80px;
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1rem;
    margin: 0;
}

.qty-input {
    width: 80px;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.95rem;
    -moz-appearance: textfield;
}

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

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-weight: 500;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}

.btn-remove {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    transition: all 0.2s;
}

.btn-remove:hover {
    border-color: var(--error);
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
}

.cart-table th,
.cart-table td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.cart-table thead {
    background: var(--bg-tertiary);
}

.cart-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cart-table tbody tr:last-child td {
    border-bottom: none;
}

.cart-table tfoot td {
    border-top: 2px solid var(--border);
    font-size: 1.125rem;
    padding: 1.5rem 1.25rem;
}

.cart-thumb {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    vertical-align: middle;
    margin-right: 1rem;
    background: var(--bg-tertiary);
}

.cart-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.empty-cart {
    color: var(--text-muted);
    text-align: center;
    padding: 4rem;
    font-size: 1.125rem;
}

.checkout-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.checkout-summary h2 {
    margin-bottom: 1.5rem;
}

.success-message, .error-message {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.success-message h1 {
    color: var(--success);
    margin-bottom: 1rem;
}

.error-message h1 {
    color: var(--error);
    margin-bottom: 1rem;
}

.success-message p, .error-message p {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.success-message .btn-primary, .error-message .btn-primary {
    margin-top: 2rem;
    max-width: 300px;
}

footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    main {
        padding: 2rem 1.5rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    .cart-table {
        font-size: 0.875rem;
    }

    .cart-table th,
    .cart-table td {
        padding: 0.875rem;
    }

    .cart-thumb {
        width: 50px;
        height: 50px;
    }
}