/* Reset and Base Styles */
:root {
    --brand-primary: #2f3541;
    --brand-primary-dark: #242a33;
    --brand-danger: #cf2e2e;
    --brand-danger-dark: #b12727;
    --brand-accent: #cac300;
    --brand-dark: #1b1b1b;
    --brand-text: #f5f7fb;
    --brand-muted: #c7ccd6;
    --brand-surface: #2f3541;
    --brand-surface-alt: #3a4150;
    --brand-bg: #28292a;
    --brand-border: #3b4252;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--brand-text);
    background-color: var(--brand-bg);
}

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

a:hover {
    color: #e0d700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background-color: var(--brand-primary);
    color: white;
    padding: 0.9rem 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.18);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: white;
    text-decoration: none;
}

.brand-logo {
    height: 52px;
    width: auto;
    display: block;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.25));
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand-subtitle {
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.9;
}

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

.site-nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.site-nav a:hover {
    color: var(--brand-accent);
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--brand-danger);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: var(--brand-danger-dark);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--brand-border);
    color: var(--brand-text);
}

.btn-secondary:hover {
    background-color: var(--brand-surface-alt);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: var(--brand-surface);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--brand-border);
}

.product-card-content {
    padding: 1.5rem;
}

.product-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--brand-accent);
}

.product-card .price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--brand-text);
    margin: 0.5rem 0;
}

.product-card .stock {
    font-size: 0.9rem;
    color: var(--brand-muted);
    margin-bottom: 1rem;
}

.product-card .stock.in-stock {
    color: var(--brand-accent);
}

.product-card .stock.out-of-stock {
    color: var(--brand-danger);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--brand-border);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--brand-surface-alt);
    color: var(--brand-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 3px rgba(202, 195, 0, 0.2);
}

/* Cart */
.cart-item {
    background: var(--brand-surface);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.35);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-item-info {
    flex: 1;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.quantity-input {
    width: 60px;
    padding: 0.5rem;
    text-align: center;
}

/* Tables */
table {
    width: 100%;
    background: var(--brand-surface);
    border-collapse: collapse;
    box-shadow: 0 2px 4px rgba(0,0,0,0.35);
    border-radius: 8px;
    overflow: hidden;
}

table th {
    background-color: var(--brand-primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

table td {
    padding: 1rem;
    border-top: 1px solid var(--brand-border);
}

table tr:hover {
    background-color: var(--brand-surface-alt);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    background: var(--brand-surface);
    color: var(--brand-text);
    border: 1px solid var(--brand-border);
}

.alert-success {
    border-color: var(--brand-accent);
}

.alert-error {
    border-color: var(--brand-danger);
}

.alert-info {
    border-color: #ffffff;
}

.alert-warning {
    border-color: var(--brand-accent);
}

/* Footer */
footer {
    background-color: var(--brand-primary);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Reservation Code */
.reservation-code {
    background: var(--brand-surface-alt);
    border: 2px solid var(--brand-accent);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin: 2rem 0;
}

.reservation-code h2 {
    font-size: 2rem;
    color: var(--brand-accent);
    letter-spacing: 0.2rem;
    font-family: 'Courier New', monospace;
}

/* Admin Styles */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--brand-surface);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.35);
}

.stat-card h3 {
    font-size: 0.9rem;
    color: var(--brand-muted);
    margin-bottom: 0.5rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--brand-accent);
}

.panel {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.35);
    margin-bottom: 2rem;
}

.status {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
}

.status-open {
    color: var(--brand-accent);
    border-color: var(--brand-accent);
}

.status-notified,
.status-picked {
    color: #ffffff;
    border-color: #ffffff;
}

.status-expired {
    color: var(--brand-danger);
    border-color: var(--brand-danger);
}

.code-highlight {
    font-size: 1.5rem;
    color: var(--brand-accent);
    letter-spacing: 0.2rem;
    font-family: 'Courier New', monospace;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--brand-surface);
    color: var(--brand-text);
    padding: 2rem;
    border-radius: 8px;
    max-width: 1000px;
    max-height: 95vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid var(--brand-border);
}

.product-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--brand-surface-alt);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-text);
}

.table-compact th,
.table-compact td {
    padding: 0.6rem;
    font-size: 0.9rem;
}

/* Product Detail Grid */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .brand-logo {
        height: 46px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .cart-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cart-item-actions {
        width: 100%;
        justify-content: space-between;
        margin-top: 1rem;
    }
    
    table {
        font-size: 0.9rem;
    }
    
    table th,
    table td {
        padding: 0.5rem;
    }
    
    .admin-stats {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }