:root {
    --ink: #17212b;
    --muted: #667085;
    --line: #e6e8ec;
    --surface: #ffffff;
    --soft: #f6f8fb;
    --accent: #0f766e;
    --accent-dark: #115e59;
}

* { letter-spacing: 0; }

body {
    color: var(--ink);
    background: var(--soft);
}

.customer-body .navbar-brand {
    color: var(--accent-dark);
}

.product-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
    background: var(--surface);
    height: 100%;
}

.product-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: #e9eef5;
}

.product-card .description {
    min-height: 44px;
    color: var(--muted);
}

.qty-control {
    display: grid;
    grid-template-columns: 44px 1fr 44px;
    align-items: center;
    gap: 8px;
}

.qty-control button {
    width: 44px;
    height: 44px;
    font-size: 22px;
    line-height: 1;
}

.qty-value {
    min-width: 40px;
    text-align: center;
    font-weight: 700;
}

.checkout-bar {
    position: sticky;
    bottom: 12px;
    z-index: 10;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 14px 40px rgba(15, 23, 42, .16);
}

.cart-list {
    max-height: 320px;
    overflow: auto;
}

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 240px 1fr;
}

.admin-sidebar {
    background: #101828;
    color: #fff;
    padding: 18px;
}

.admin-sidebar .brand {
    font-weight: 800;
    margin-bottom: 18px;
}

.admin-sidebar nav {
    display: grid;
    gap: 6px;
}

.admin-sidebar a {
    color: #d0d5dd;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 8px;
}

.admin-sidebar a:hover {
    background: #1d2939;
    color: #fff;
}

.admin-content {
    padding: 20px;
    overflow-x: auto;
}

.stat-card {
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 8px;
    padding: 16px;
}

.table-card, .form-card {
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 8px;
    padding: 16px;
}

.proof-frame {
    max-width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
}

@media (max-width: 768px) {
    .admin-shell {
        display: block;
    }

    .admin-sidebar {
        position: sticky;
        top: 0;
        z-index: 20;
        padding: 12px;
    }

    .admin-sidebar nav {
        display: flex;
        overflow-x: auto;
        gap: 8px;
    }

    .admin-sidebar a {
        white-space: nowrap;
    }

    .admin-content {
        padding: 14px;
    }
}