/* =========================================================
   Cart — responsive, modern
   ========================================================= */

:root {
    --cart-bg: #faf7f8;
    --cart-surface: #ffffff;
    --cart-surface-2: #fdfafb;
    --cart-border: #ece6e9;
    --cart-border-strong: #dcd2d7;
    --cart-text: #1f1a1d;
    --cart-text-muted: #7a6f75;
    --cart-text-soft: #a3969c;
    --cart-accent: #c2185b;
    --cart-accent-hover: #a0134b;
    --cart-accent-soft: #fce4ec;
    --cart-danger: #dc3545;
    --cart-danger-soft: #fef2f2;
    --cart-success: #16a34a;
    --cart-warning: #d97706;
    --cart-radius: 16px;
    --cart-radius-sm: 10px;
    --cart-radius-pill: 999px;
    --cart-shadow-sm: 0 1px 2px rgba(31, 26, 29, 0.04);
    --cart-shadow: 0 10px 30px rgba(31, 26, 29, 0.06);
    --cart-shadow-lg: 0 20px 45px rgba(31, 26, 29, 0.10);
    --cart-transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Page shell ---------- */
.cart-page {
    background: var(--cart-bg);
    min-height: 60vh;
    padding: 2rem 0 4rem;
    color: var(--cart-text);
    font-family: inherit;
}

    .cart-page .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 1rem;
    }

.cart-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.cart-title {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0;
    color: var(--cart-text);
}

    .cart-title i {
        color: var(--cart-accent);
    }

.cart-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.8rem;
    background: var(--cart-accent-soft);
    color: var(--cart-accent);
    border-radius: var(--cart-radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* =========================================================
   Empty state
   ========================================================= */
.empty-cart {
    background: var(--cart-surface);
    border: 1px solid var(--cart-border);
    border-radius: var(--cart-radius);
    padding: clamp(2rem, 6vw, 4rem) 1.5rem;
    text-align: center;
    box-shadow: var(--cart-shadow-sm);
}

.empty-cart-icon {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: var(--cart-accent-soft);
    color: var(--cart-accent);
    display: inline-grid;
    place-items: center;
    font-size: 2.25rem;
    margin-bottom: 1.25rem;
}

.empty-cart-title {
    font-size: clamp(1.15rem, 2.5vw, 1.5rem);
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.empty-cart-text {
    color: var(--cart-text-muted);
    margin: 0 0 1.75rem;
    font-size: 0.95rem;
}

/* =========================================================
   Layout
   ========================================================= */
.cart-layout {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 992px) {
    .cart-layout {
        grid-template-columns: minmax(0, 1fr) 380px;
        align-items: start;
    }

    .cart-summary {
        position: sticky;
        top: 6rem;
    }
}

/* =========================================================
   Items panel
   ========================================================= */
.cart-items {
    background: var(--cart-surface);
    border: 1px solid var(--cart-border);
    border-radius: var(--cart-radius);
    overflow: hidden;
    box-shadow: var(--cart-shadow-sm);
}

/* Header row (desktop only) */
.cart-items-head {
    display: none;
    padding: 1rem 1.5rem;
    background: var(--cart-surface-2);
    border-bottom: 1px solid var(--cart-border);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--cart-text-soft);
    font-weight: 600;
}

@media (min-width: 768px) {
    .cart-items-head {
        display: grid;
        grid-template-columns: 88px minmax(0, 1fr) 110px 140px 120px 44px;
        gap: 1rem;
        align-items: center;
    }

        .cart-items-head .col-product {
            grid-column: 1 / span 2;
        }

        .cart-items-head .col-price {
            grid-column: 3;
            text-align: center;
        }

        .cart-items-head .col-qty {
            grid-column: 4;
            text-align: center;
        }

        .cart-items-head .col-total {
            grid-column: 5;
            text-align: right;
        }
}

/* =========================================================
   Cart item
   ========================================================= */
.cart-item {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) auto;
    grid-template-areas:
        "media details remove"
        "qty   qty     total";
    gap: 0.75rem 1rem;
    padding: 1.1rem 1rem;
    border-bottom: 1px solid var(--cart-border);
    transition: opacity var(--cart-transition), transform var(--cart-transition), background var(--cart-transition);
}

    .cart-item:last-child {
        border-bottom: 0;
    }

    .cart-item.is-loading {
        opacity: 0.55;
        pointer-events: none;
    }

    .cart-item.is-removing {
        opacity: 0;
        transform: translateX(-16px);
        max-height: 0;
        padding-top: 0;
        padding-bottom: 0;
        overflow: hidden;
    }

@media (min-width: 768px) {
    .cart-item {
        grid-template-columns: 88px minmax(0, 1fr) 110px 140px 120px 44px;
        grid-template-areas: "media details price qty total remove";
        align-items: center;
        gap: 1rem;
        padding: 1.25rem 1.5rem;
    }

        .cart-item:hover {
            background: var(--cart-surface-2);
        }
}

/* --- Media --- */
.cart-item-media {
    grid-area: media;
}

    .cart-item-media img,
    .cart-item-media-placeholder {
        width: 100%;
        aspect-ratio: 1 / 1;
        border-radius: var(--cart-radius-sm);
        object-fit: cover;
        background: var(--cart-surface-2);
        border: 1px solid var(--cart-border);
        display: block;
    }

.cart-item-media-placeholder {
    display: grid;
    place-items: center;
    color: var(--cart-text-soft);
    font-size: 1.5rem;
}

/* --- Details --- */
.cart-item-details {
    grid-area: details;
    min-width: 0;
}

.cart-item-name {
    font-size: 0.98rem;
    font-weight: 600;
    line-height: 1.35;
    margin: 0 0 0.2rem;
    color: var(--cart-text);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.cart-item-brand {
    font-size: 0.82rem;
    color: var(--cart-text-muted);
    margin: 0 0 0.35rem;
}

.cart-item-price-inline {
    display: block;
    font-weight: 600;
    color: var(--cart-accent);
    font-size: 0.95rem;
    margin: 0.2rem 0 0;
}

.cart-item-stock {
    font-size: 0.75rem;
    margin: 0.3rem 0 0;
    font-weight: 600;
    letter-spacing: 0.01em;
}

    .cart-item-stock.stock-out {
        color: var(--cart-danger);
    }

    .cart-item-stock.stock-low {
        color: var(--cart-warning);
    }

/* --- Price column (desktop only) --- */
.cart-item-price-col {
    grid-area: price;
    display: none;
    text-align: center;
    font-weight: 500;
    color: var(--cart-text);
    font-size: 0.95rem;
    white-space: nowrap;
}

@media (min-width: 768px) {
    .cart-item-price-inline {
        display: none;
    }

    .cart-item-price-col {
        display: block;
    }
}

/* --- Quantity stepper --- */
.cart-item-qty {
    grid-area: qty;
}

.qty-stepper {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--cart-border);
    border-radius: var(--cart-radius-pill);
    background: var(--cart-surface);
    overflow: hidden;
    transition: border-color var(--cart-transition), box-shadow var(--cart-transition);
}

    .qty-stepper:focus-within {
        border-color: var(--cart-accent);
        box-shadow: 0 0 0 3px var(--cart-accent-soft);
    }

.qty-btn {
    width: 38px;
    height: 38px;
    border: 0;
    background: transparent;
    color: var(--cart-text);
    display: grid;
    place-items: center;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background var(--cart-transition), color var(--cart-transition);
}

    .qty-btn:hover:not(:disabled) {
        background: var(--cart-accent-soft);
        color: var(--cart-accent);
    }

    .qty-btn:disabled {
        opacity: 0.4;
        cursor: not-allowed;
    }

.qty-input {
    width: 48px;
    height: 38px;
    border: 0;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
    background: transparent;
    color: var(--cart-text);
    -moz-appearance: textfield;
    appearance: textfield;
}

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

    .qty-input:focus {
        outline: none;
    }

/* --- Line total --- */
.cart-item-total {
    grid-area: total;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 0.1rem;
    text-align: right;
}

.cart-item-total-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cart-text-soft);
    font-weight: 600;
}

.cart-item-total-value {
    font-weight: 700;
    font-size: 1rem;
    color: var(--cart-text);
    white-space: nowrap;
}

@media (min-width: 768px) {
    .cart-item-total-label {
        display: none;
    }

    .cart-item-total {
        align-items: flex-end;
    }
}

/* --- Remove button --- */
.cart-item-remove {
    grid-area: remove;
    width: 38px;
    height: 38px;
    border-radius: var(--cart-radius-sm);
    border: 1px solid var(--cart-border);
    background: var(--cart-surface);
    color: var(--cart-text-muted);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all var(--cart-transition);
    align-self: start;
}

@media (min-width: 768px) {
    .cart-item-remove {
        align-self: center;
    }
}

.cart-item-remove:hover:not(:disabled) {
    color: var(--cart-danger);
    border-color: var(--cart-danger);
    background: var(--cart-danger-soft);
    transform: scale(1.05);
}

/* =========================================================
   Order summary
   ========================================================= */
.summary-card {
    background: var(--cart-surface);
    border: 1px solid var(--cart-border);
    border-radius: var(--cart-radius);
    overflow: hidden;
    box-shadow: var(--cart-shadow);
}

.summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.15rem 1.35rem;
    border-bottom: 1px solid var(--cart-border);
    background: var(--cart-surface-2);
}

    .summary-header h2 {
        margin: 0;
        font-size: 1.02rem;
        font-weight: 700;
        letter-spacing: -0.005em;
    }

.summary-count {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--cart-accent);
    background: var(--cart-accent-soft);
    padding: 0.28rem 0.65rem;
    border-radius: var(--cart-radius-pill);
}

.summary-list {
    margin: 0;
    padding: 1.15rem 1.35rem 0.5rem;
}

.summary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 0;
    font-size: 0.94rem;
}

    .summary-row dt {
        color: var(--cart-text-muted);
        font-weight: 500;
        margin: 0;
    }

    .summary-row dd {
        margin: 0;
        font-weight: 600;
        color: var(--cart-text);
        white-space: nowrap;
    }

.summary-row-total {
    border-top: 1px dashed var(--cart-border-strong);
    margin-top: 0.4rem;
    padding-top: 1rem;
    font-size: 1.05rem;
}

    .summary-row-total dt {
        font-weight: 700;
        color: var(--cart-text);
        font-size: 1rem;
    }

    .summary-row-total dd {
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--cart-accent);
        letter-spacing: -0.01em;
    }

.summary-actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.25rem 1.35rem 1rem;
}

.summary-note {
    padding: 0 1.35rem 1.25rem;
    margin: 0;
    font-size: 0.76rem;
    color: var(--cart-text-soft);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

    .summary-note i {
        color: var(--cart-success);
    }

/* =========================================================
   Buttons
   ========================================================= */
.btn-primary-cart,
.btn-secondary-cart {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.85rem 1.4rem;
    border-radius: var(--cart-radius-pill);
    font-weight: 600;
    font-size: 0.94rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--cart-transition);
    white-space: nowrap;
}

.btn-primary-cart {
    background: var(--cart-accent);
    color: #fff;
    box-shadow: 0 6px 18px rgba(194, 24, 91, 0.25);
}

    .btn-primary-cart:hover {
        background: var(--cart-accent-hover);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 10px 24px rgba(194, 24, 91, 0.32);
    }

    .btn-primary-cart:active {
        transform: translateY(0);
    }

.btn-secondary-cart {
    background: transparent;
    color: var(--cart-text);
    border-color: var(--cart-border-strong);
}

    .btn-secondary-cart:hover {
        background: var(--cart-surface-2);
        border-color: var(--cart-text-soft);
        color: var(--cart-text);
    }

.btn-checkout {
    width: 100%;
}

/* =========================================================
   Toast
   ========================================================= */
.cart-toast {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translate(-50%, 150%);
    z-index: 9999;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 1.25rem;
    background: var(--cart-surface);
    border: 1px solid var(--cart-border);
    border-radius: var(--cart-radius-pill);
    box-shadow: var(--cart-shadow-lg);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--cart-text);
    opacity: 0;
    pointer-events: none;
    transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1), opacity 220ms ease;
    max-width: calc(100vw - 2rem);
}

    .cart-toast.is-visible {
        transform: translate(-50%, 0);
        opacity: 1;
        pointer-events: auto;
    }

    .cart-toast .toast-icon {
        font-size: 1.1rem;
    }

    .cart-toast[data-type="success"] .toast-icon,
    .cart-toast:not([data-type]) .toast-icon {
        color: var(--cart-success);
    }

    .cart-toast[data-type="warning"] .toast-icon {
        color: var(--cart-warning);
    }

    .cart-toast[data-type="error"] .toast-icon {
        color: var(--cart-danger);
    }

@media (min-width: 576px) {
    .cart-toast {
        bottom: 1.75rem;
    }
}