:root {
    --color-bg: #f7f5f2;
    --color-surface: #ffffff;
    --color-text: #2b2420;
    --color-muted: #6b6058;
    --color-primary: #b5502f;
    --color-primary-dark: #8f3e23;
    --color-border: #e4ddd4;
    --radius: 10px;
    --shadow-sm: 0 2px 6px rgba(43, 36, 32, 0.06);
    --shadow-md: 0 10px 24px rgba(43, 36, 32, 0.12);
    --shadow-lg: 0 18px 40px rgba(43, 36, 32, 0.18);
    --transition-fast: 0.18s ease;
    --transition-medium: 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
    box-sizing: border-box;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(12px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes bump {
    0% { transform: scale(1); }
    35% { transform: scale(1.35); }
    65% { transform: scale(0.92); }
    100% { transform: scale(1); }
}

@keyframes fadeOutSlide {
    to {
        opacity: 0;
        transform: translateX(24px);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    background: linear-gradient(180deg, #fbf8f4 0%, var(--color-bg) 220px);
    color: var(--color-text);
}

input[type="radio"],
input[type="checkbox"] {
    accent-color: var(--color-primary);
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-title {
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
}

.cart-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cart-button:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.cart-button:active {
    transform: translateY(0) scale(0.97);
}

.cart-count {
    background: rgba(255, 255, 255, 0.25);
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.85rem;
    display: inline-block;
}

.cart-count.bump {
    animation: bump 0.4s ease;
}

.category-filter-bar {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem 0;
}

.category-filter-bar select {
    width: 100%;
    max-width: 280px;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.category-filter-bar select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(181, 80, 47, 0.15);
}

@media (max-width: 600px) {
    .category-filter-bar select {
        max-width: none;
    }
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
    padding: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.empty-message {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-muted);
}

.category-group {
    display: contents;
}

.category-group[hidden] {
    display: none;
}

.category-divider {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0.5rem 0 0.25rem;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.02em;
}

.category-group:first-child .category-divider {
    margin-top: 0;
}

.category-divider::before,
.category-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeInUp 0.5s ease both;
    animation-delay: calc(var(--i, 0) * 70ms);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.product-card[hidden] {
    display: none;
}

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

.product-title {
    margin: 0;
    font-size: 1.15rem;
    letter-spacing: 0.03em;
}

.product-price {
    margin: 0;
    color: var(--color-muted);
    font-weight: 600;
}

.btn {
    cursor: pointer;
    border: none;
    border-radius: var(--radius);
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:active {
    transform: scale(0.96);
}

.btn-options {
    background: var(--color-text);
    color: #fff;
    margin-top: auto;
}

.btn-options:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    width: 100%;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20, 15, 10, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), background-color var(--transition-fast);
}

.modal-overlay.open {
    opacity: 1;
    background: rgba(20, 15, 10, 0.55);
    pointer-events: auto;
}

.modal-overlay[hidden] {
    display: none;
}

.modal-box {
    background: var(--color-surface);
    border-radius: calc(var(--radius) + 4px);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    max-width: 420px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.92) translateY(16px);
    opacity: 0;
    transition: transform var(--transition-medium), opacity var(--transition-fast);
}

.modal-overlay.open .modal-box {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-muted);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg);
    color: var(--color-text);
    transform: rotate(90deg);
}

.modal-product-name {
    margin: 0 0 1rem;
    padding-right: 2rem;
}

.confirm-modal-box {
    max-width: 340px;
}

.confirm-modal-message {
    margin: 0 0 1.25rem;
    font-size: 1.05rem;
}

.confirm-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
}

.modal-section {
    border: none;
    padding: 0;
    margin: 0 0 1.25rem;
}

.modal-section legend {
    font-weight: 600;
    margin-bottom: 0.5rem;
    padding: 0;
}

.variant-list label,
.extras-list label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.4rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.variant-list label:hover,
.extras-list label:hover {
    background: var(--color-bg);
}

.qty-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-final-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    border-top: 1px solid var(--color-border);
    font-size: 1.1rem;
}

.modal-final-price strong {
    color: var(--color-primary);
}

.qty-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.qty-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.qty-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.qty-btn:active {
    transform: scale(0.9);
}

.qty-value {
    min-width: 1.5rem;
    text-align: center;
    font-weight: 600;
    display: inline-block;
}

.qty-value.bump {
    animation: bump 0.3s ease;
}