:root {
    --color-background: #ffffff;
    --color-surface: #ffffff;
    --color-text: #222222;
    --color-muted: #666666;
    --color-border: #e5e5e5;

    --color-primary: #111111;
    --color-primary-hover: #2a2a2a;

    --color-success: #16803c;
    --color-danger: #c62828;

    --container-width: 1200px;

    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --shadow-sm:
        0 2px 8px rgba(0, 0, 0, 0.08);

    --shadow-md:
        0 8px 30px rgba(0, 0, 0, 0.15);

    --transition-fast: 160ms ease;
    --transition-normal: 220ms ease;
}


/* =========================================================
   RESET / BASE
   ========================================================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    background: var(--color-background);
    color: var(--color-text);

    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.5;
}

body.cart-is-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
}

a {
    color: inherit;
}


/* =========================================================
   ACCESSIBILITY
   ========================================================= */

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid rgba(17, 17, 17, 0.25);
    outline-offset: 2px;
}


/* =========================================================
   MENU
   ========================================================= */

.menu {
    padding-block: var(--space-xl);
}

.menu__container {
    width: min(
        calc(100% - 2rem),
        var(--container-width)
    );

    margin-inline: auto;
}

.menu__header {
    margin-block-end: var(--space-lg);
}

.menu__header h1 {
    margin: 0;
}


/* =========================================================
   CATEGORIES
   ========================================================= */

.menu-categories {
    display: flex;

    gap: var(--space-sm);

    overflow-x: auto;

    padding-block-end: var(--space-sm);
    margin-block-end: var(--space-xl);

    scrollbar-width: none;

    -webkit-overflow-scrolling: touch;
}

.menu-categories::-webkit-scrollbar {
    display: none;
}

.menu-categories__button {
    flex: 0 0 auto;

    border: 1px solid var(--color-border);
    border-radius: 999px;

    background: transparent;

    padding: 0.65rem 1rem;

    color: var(--color-text);

    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.menu-categories__button:hover {
    border-color: var(--color-primary);
}

.menu-categories__button:active {
    transform: scale(0.97);
}

.menu-categories__button.is-active {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}


/* =========================================================
   PRODUCTS GRID
   ========================================================= */

.menu__products {
    display: grid;

    grid-template-columns: 1fr;

    gap: var(--space-lg);
}

.product-card {
    overflow: hidden;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);

    background: var(--color-surface);

    box-shadow: var(--shadow-sm);

    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.product-card:hover {
    transform: translateY(-2px);

    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.10);
}

.product-card__image {
    overflow: hidden;
}

.product-card__image img {
    width: 100%;

    aspect-ratio: 4 / 3;

    object-fit: cover;

    transition:
        transform 300ms ease;
}

.product-card:hover
.product-card__image img {
    transform: scale(1.02);
}

.product-card__content {
    padding: var(--space-md);
}

.product-card__title {
    margin: 0 0 var(--space-xs);

    font-size: 1.1rem;
    line-height: 1.3;
}

.product-card__description {
    margin-block-end: var(--space-md);

    color: var(--color-muted);

    font-size: 0.95rem;
}

.product-card__footer {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: var(--space-md);
}

.product-card__price {
    font-size: 1.05rem;
    font-weight: 700;
}

.product-card__add {
    border: 0;
    border-radius: var(--radius-sm);

    padding: 0.65rem 1rem;

    background: var(--color-primary);
    color: #ffffff;

    font-weight: 600;

    transition:
        background-color var(--transition-fast),
        transform var(--transition-fast);
}

.product-card__add:hover {
    background: var(--color-primary-hover);
}

.product-card__add:active {
    transform: scale(0.97);
}

.product-card__unavailable {
    color: var(--color-muted);

    font-size: 0.9rem;
    font-weight: 600;
}

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


/* =========================================================
   CART BAR
   ========================================================= */

.cart-bar {
    position: fixed;

    z-index: 1000;

    left: 1rem;
    right: 1rem;
    bottom: 1rem;

    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 1rem;

    padding: 0.75rem 1rem;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);

    background: rgba(255, 255, 255, 0.96);

    box-shadow: var(--shadow-md);

    backdrop-filter: blur(10px);

    animation: cart-bar-enter 180ms ease;
}

.cart-bar__info {
    display: flex;

    flex-direction: column;

    gap: 0.15rem;

    min-width: 0;
}

.cart-bar__count {
    color: var(--color-muted);

    font-size: 0.875rem;
}

.cart-bar__total {
    font-size: 1rem;
}

.cart-bar__button {
    flex: 0 0 auto;

    border: 0;
    border-radius: var(--radius-sm);

    padding: 0.75rem 1rem;

    background: var(--color-primary);
    color: #ffffff;

    font-weight: 600;

    transition:
        background-color var(--transition-fast),
        transform var(--transition-fast);
}

.cart-bar__button:hover {
    background: var(--color-primary-hover);
}

.cart-bar__button:active {
    transform: scale(0.97);
}


/* =========================================================
   CART DRAWER
   ========================================================= */

.cart-drawer {
    position: fixed;

    inset: 0;

    z-index: 1100;

    visibility: hidden;

    pointer-events: none;
}

.cart-drawer.is-open {
    visibility: visible;

    pointer-events: auto;
}


/* ---------------------------------------------------------
   Overlay
   --------------------------------------------------------- */

.cart-drawer__overlay {
    position: absolute;

    inset: 0;

    background: rgba(0, 0, 0, 0.45);

    opacity: 0;

    transition:
        opacity var(--transition-normal);
}

.cart-drawer.is-open
.cart-drawer__overlay {
    opacity: 1;
}


/* ---------------------------------------------------------
   Panel
   --------------------------------------------------------- */

.cart-drawer__panel {
    position: absolute;

    top: 0;
    right: 0;
    bottom: 0;

    width: min(
        100%,
        440px
    );

    display: flex;

    flex-direction: column;

    background: var(--color-surface);

    box-shadow:
        -8px 0 30px rgba(0, 0, 0, 0.12);

    transform: translateX(100%);

    transition:
        transform var(--transition-normal);
}

.cart-drawer.is-open
.cart-drawer__panel {
    transform: translateX(0);
}


/* ---------------------------------------------------------
   Header
   --------------------------------------------------------- */

.cart-drawer__header {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 1rem;

    padding: 1.25rem;

    border-bottom: 1px solid var(--color-border);
}

.cart-drawer__header h2 {
    margin: 0;

    font-size: 1.25rem;
}

.cart-drawer__close {
    width: 40px;
    height: 40px;

    display: grid;

    place-items: center;

    border: 0;
    border-radius: 50%;

    background: transparent;

    color: var(--color-text);

    font-size: 1.75rem;
    line-height: 1;

    transition:
        background-color var(--transition-fast);
}

.cart-drawer__close:hover {
    background: #f2f2f2;
}


/* ---------------------------------------------------------
   Items
   --------------------------------------------------------- */

.cart-drawer__items {
    flex: 1;

    overflow-y: auto;

    padding: 1rem;

    overscroll-behavior: contain;
}

.cart-drawer__empty {
    margin: 2rem 0;

    color: var(--color-muted);

    text-align: center;
}


/* =========================================================
   CART ITEM
   ========================================================= */

.cart-item {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        auto;

    gap: 0.75rem;

    padding-block: 1rem;

    border-bottom: 1px solid var(--color-border);
}

.cart-item:first-child {
    padding-top: 0;
}

.cart-item__info {
    min-width: 0;
}

.cart-item__name {
    margin: 0 0 0.25rem;

    font-size: 0.98rem;

    line-height: 1.3;
}

.cart-item__price {
    color: var(--color-muted);

    font-size: 0.875rem;
}

.cart-item__actions {
    display: flex;

    align-items: center;

    gap: 0.5rem;
}

.cart-item__quantity-button {
    width: 34px;
    height: 34px;

    display: grid;

    place-items: center;

    border: 1px solid var(--color-border);
    border-radius: 50%;

    background: #ffffff;

    color: var(--color-text);

    font-size: 1.1rem;

    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.cart-item__quantity-button:hover {
    border-color: var(--color-primary);

    background: #f7f7f7;
}

.cart-item__quantity-button:active {
    transform: scale(0.94);
}

.cart-item__quantity {
    min-width: 1.5rem;

    text-align: center;

    font-weight: 600;
}

.cart-item__subtotal {
    grid-column: 1 / -1;

    justify-self: end;

    font-size: 0.95rem;
}


/* =========================================================
   CUSTOMER DATA
   ========================================================= */

.cart-drawer__customer {
    display: grid;

    gap: 0.75rem;

    margin-top: 1rem;

    padding-top: 1rem;

    border-top: 1px solid var(--color-border);
}

.cart-drawer__field {
    display: grid;

    gap: 0.35rem;
}

.cart-drawer__field label {
    font-size: 0.875rem;

    font-weight: 600;
}

.cart-drawer__field input,
.cart-drawer__field textarea {
    width: 100%;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);

    padding: 0.7rem 0.8rem;

    background: #ffffff;

    color: var(--color-text);
}

.cart-drawer__field textarea {
    min-height: 80px;

    resize: vertical;
}

.cart-drawer__field input::placeholder,
.cart-drawer__field textarea::placeholder {
    color: #999999;
}


/* =========================================================
   CART FOOTER
   ========================================================= */

.cart-drawer__footer {
    padding: 1rem;

    border-top: 1px solid var(--color-border);

    background: #ffffff;
}

.cart-drawer__total {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 1rem;

    margin-bottom: 1rem;

    font-size: 1.1rem;
}

.cart-drawer__total strong {
    font-size: 1.2rem;
}


/* =========================================================
   WHATSAPP
   ========================================================= */

.cart-drawer__whatsapp {
    width: 100%;

    border: 0;
    border-radius: var(--radius-sm);

    padding: 0.9rem 1rem;

    background: var(--color-success);
    color: #ffffff;

    font-weight: 700;

    transition:
        background-color var(--transition-fast),
        transform var(--transition-fast),
        opacity var(--transition-fast);
}

.cart-drawer__whatsapp:hover:not(:disabled) {
    background: #126d32;
}

.cart-drawer__whatsapp:active:not(:disabled) {
    transform: scale(0.99);
}

.cart-drawer__whatsapp:disabled {
    opacity: 0.5;
}


/* =========================================================
   ANIMATION
   ========================================================= */

@keyframes cart-bar-enter {

    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }

}


/* =========================================================
   TABLET
   ========================================================= */

@media (min-width: 600px) {

    .menu__products {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

}


/* =========================================================
   DESKTOP
   ========================================================= */

@media (min-width: 900px) {

    .menu {
        padding-block: var(--space-2xl);
    }

    .menu__products {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));
    }

    .cart-bar {
        left: auto;
        right: 1.5rem;

        width: 360px;
    }

}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

}



.cart-drawer__customer {
    display: grid;
    gap: 1rem;
    margin-bottom: 1rem;
}

.cart-field {
    display: grid;
    gap: 0.4rem;
}

.cart-field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.cart-field input,
.cart-field textarea {
    width: 100%;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);

    background: #ffffff;
    color: var(--color-text);

    padding: 0.75rem;

    outline: none;

    transition:
        border-color 160ms ease,
        box-shadow 160ms ease;
}

.cart-field textarea {
    resize: vertical;
    min-height: 90px;
}

.cart-field input:focus,
.cart-field textarea:focus {
    border-color: var(--color-primary);

    box-shadow:
        0 0 0 3px rgba(17, 17, 17, 0.08);
}

.cart-field input::placeholder,
.cart-field textarea::placeholder {
    color: var(--color-muted);
}