/**
 * 購物車頁面樣式 — Redesign 2026
 * /pages/cart.php
 */

/* ── 佈局容器 ─────────────────────────────── */
.cart-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 20px 40px;
    min-height: 60vh;
}

/* ── Loading ─────────────────────────────── */
.loading-state {
    text-align: center;
    padding: 100px 0;
    color: var(--color-primary);
}

/* ── 頁面標題列 ───────────────────────────── */
.cart-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.cart-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.cart-count-badge {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-muted);
}

.btn-clear-cart {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-clear-cart:hover {
    color: var(--color-danger);
    border-color: var(--color-danger);
    background: rgba(220, 53, 69, 0.04);
}

/* ── 商品分組卡片 ──────────────────────────── */
.cart-group {
    background: var(--bg-surface);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: 0 2px 12px rgba(170, 145, 119, 0.06);
    border: 1px solid var(--border-color-light, #F5F4F3);
}

.cart-group-header {
    padding: 14px 20px;
    background: var(--color-primary-light, #F9F8F6);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.cart-group-header-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ── 單一商品卡片 ──────────────────────────── */
.cart-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    border-bottom: 1px solid var(--border-color-light, #F5F4F3);
    position: relative;
    transition: background 0.2s;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item:hover {
    background: rgba(170, 145, 119, 0.02);
}

.cart-item.is-invalid {
    opacity: 0.65;
    background: var(--color-primary-light, #F9F8F6);
}

/* 商品圖片區塊 */
.item-img-wrap {
    position: relative;
    flex-shrink: 0;
}

.item-img {
    width: 88px;
    height: 88px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: block;
    transition: transform 0.3s;
}

.cart-item:hover .item-img {
    transform: scale(1.03);
}

.item-type-tag {
    position: absolute;
    bottom: 6px;
    left: 6px;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 20px;
    background: rgba(170, 145, 119, 0.85);
    color: #fff;
    backdrop-filter: blur(4px);
    letter-spacing: 0.04em;
}

/* 商品內容 */
.item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.item-top-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.item-name {
    font-size: 0.975rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    line-height: 1.4;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.item-name:hover {
    color: var(--color-primary);
}

.btn-item-remove {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
    margin-top: -4px;
}

.btn-item-remove:hover {
    background: rgba(220, 53, 69, 0.1);
    color: var(--color-danger);
}

/* 失效提示 */
.item-invalid-msg {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--color-danger);
    background: rgba(220, 53, 69, 0.06);
    border-radius: 6px;
    padding: 5px 10px;
}

/* 規格與預約資訊 */
.item-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.item-spec-pill {
    font-size: 0.78rem;
    color: var(--text-secondary);
    background: var(--color-primary-light, #F9F8F6);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2px 10px;
    line-height: 1.6;
}

.item-booking-pill {
    font-size: 0.78rem;
    color: var(--color-primary);
    background: rgba(170, 145, 119, 0.08);
    border: 1px solid rgba(170, 145, 119, 0.2);
    border-radius: 20px;
    padding: 2px 10px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    line-height: 1.6;
}

/* 加購項目 */
.item-addons {
    background: var(--color-primary-light, #F9F8F6);
    border-radius: 8px;
    padding: 8px 12px;
}

.item-addon-row {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 底部：價格 + 數量 */
.item-bottom-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
    gap: 12px;
}

.item-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.01em;
}

/* ── 數量控制器 ───────────────────────────── */
.qty-control {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    overflow: hidden;
    height: 40px;
    background: var(--bg-surface);
}

.qty-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: var(--text-secondary);
    transition: all 0.15s;
    flex-shrink: 0;
    line-height: 1;
}

.qty-btn:hover:not(:disabled) {
    background: var(--color-primary-light, #F9F8F6);
    color: var(--color-primary);
}

.qty-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.qty-value {
    width: 40px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    line-height: 38px;
    user-select: none;
}

/* 可手動輸入的數量欄位：沿用 .qty-value 外觀，移除瀏覽器預設邊框與微調箭頭 */
input.qty-value {
    height: 38px;
    padding: 0;
    border-top: none;
    border-bottom: none;
    border-radius: 0;
    background: transparent;
    outline: none;
    -moz-appearance: textfield;
    appearance: textfield;
}

input.qty-value:focus {
    background: var(--color-primary-light, #F9F8F6);
}

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

input.qty-value:disabled {
    opacity: 0.5;
}

/* ── 訂單摘要卡 ───────────────────────────── */
.summary-card {
    background: var(--bg-surface);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(170, 145, 119, 0.1);
    position: sticky;
    top: 90px;
    border: 1px solid var(--border-color-light, #F5F4F3);
}

.summary-card-header {
    padding: 20px 24px 16px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #C4A882 100%);
    color: #fff;
}

.summary-card-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.03em;
}

.summary-card-body {
    padding: 20px 24px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.summary-row + .summary-row {
    border-top: 1px solid var(--border-color-light, #F5F4F3);
}

.summary-shipping-free {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-success);
    background: rgba(40, 167, 69, 0.08);
    padding: 2px 10px;
    border-radius: 20px;
}

.summary-divider {
    height: 1px;
    background: var(--border-color);
    margin: 12px 0;
}

.summary-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.summary-total-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.summary-total-amount {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 0.01em;
}

.btn-checkout {
    width: 100%;
    padding: 14px;
    border-radius: 50px;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: 0.04em;
}

.btn-checkout:hover {
    background: var(--color-primary-dark, #8A725A);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(170, 145, 119, 0.35);
}

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


/* ── 行動裝置底部列 ────────────────────────── */
.mobile-checkout-bar {
    display: none;
}

@media (max-width: 991px) {
    .mobile-checkout-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1050;
        background: var(--bg-surface);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
        padding: 12px 20px;
        align-items: center;
        gap: 14px;
        transition: transform 0.3s ease;
    }

    .mobile-checkout-bar.hidden {
        transform: translateY(100%);
    }

    .mobile-bar-summary {
        flex: 1;
        min-width: 0;
    }

    .mobile-bar-label {
        font-size: 11px;
        color: var(--text-muted);
        margin-bottom: 2px;
    }

    .mobile-bar-total {
        font-size: 1.2rem;
        font-weight: 800;
        color: var(--color-primary);
        line-height: 1.2;
    }

    .mobile-bar-count {
        font-size: 11px;
        color: var(--text-muted);
        margin-top: 1px;
    }

    .mobile-bar-btn {
        flex-shrink: 0;
        padding: 13px 28px;
        border-radius: 50px;
        background: var(--color-primary);
        color: #fff;
        font-weight: 700;
        font-size: 0.9rem;
        border: none;
        cursor: pointer;
        transition: 0.2s;
        white-space: nowrap;
        letter-spacing: 0.04em;
    }

    .mobile-bar-btn:active {
        background: var(--color-primary-dark, #8A725A);
        transform: scale(0.97);
    }

    .cart-container {
        padding-bottom: 100px;
    }

    /* 行動版商品圖片縮小 */
    .item-img {
        width: 72px;
        height: 72px;
    }

    /* 行動版隱藏摘要卡（底部列替代） */
    .cart-summary-col {
        display: none;
    }
}

/* ── 空狀態 ────────────────────────────────── */
.empty-cart-container {
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    padding: 60px 20px;
    background-image: radial-gradient(rgba(170, 145, 119, 0.15) 1px, transparent 1px);
    background-size: 30px 30px;
    border-radius: 24px;
    margin-top: 20px;
    overflow: hidden;
}

.empty-cart-bg-text {
    font-family: 'Noto Serif TC', serif;
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 900;
    line-height: 1;
    color: rgba(170, 145, 119, 0.07);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    user-select: none;
    white-space: nowrap;
    pointer-events: none;
}

.empty-cart-content {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 52px 44px;
    border-radius: 24px;
    box-shadow: 0 12px 40px rgba(170, 145, 119, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.9);
    max-width: 480px;
    width: 100%;
}

.empty-cart-icon-wrap {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, #C4A882 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(170, 145, 119, 0.3);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.empty-cart-container:hover .empty-cart-icon-wrap {
    transform: rotate(-8deg) scale(1.08);
}

.empty-cart-icon {
    font-size: 2rem;
    color: #fff;
}

.empty-cart-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.empty-cart-desc {
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.btn-go-shopping {
    background: var(--color-primary);
    color: #fff;
    padding: 13px 36px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    box-shadow: 0 6px 20px rgba(170, 145, 119, 0.25);
    letter-spacing: 0.04em;
}

.btn-go-shopping:hover {
    background: var(--color-primary-dark, #8A725A);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(170, 145, 119, 0.4);
}

/* ── 動畫 ──────────────────────────────────── */
@keyframes cartItemIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cart-item {
    animation: cartItemIn 0.25s ease both;
}

@media (prefers-reduced-motion: reduce) {
    .cart-item {
        animation: none;
    }
    .btn-checkout:hover,
    .btn-go-shopping:hover {
        transform: none;
    }
}

/* ── 購物車推薦區塊 ──────────────────────────── */
.cart-recommend-section {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border, #eee);
}

.cart-recommend-header {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.cart-recommend-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text, #333);
    margin: 0;
}

.cart-recommend-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.cart-rec-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: transform 0.18s, box-shadow 0.18s;
    border: 1px solid var(--color-border, #f0f0f0);
}

.cart-rec-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    color: inherit;
}

.cart-rec-img-wrap {
    aspect-ratio: 1;
    overflow: hidden;
    background: #f5f5f5;
}

.cart-rec-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.cart-rec-card:hover .cart-rec-img-wrap img {
    transform: scale(1.04);
}

.cart-rec-info {
    padding: 10px 12px 12px;
}

.cart-rec-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text, #333);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
    line-height: 1.4;
}

.cart-rec-price {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary, #AA9177);
}

@media (max-width: 768px) {
    .cart-recommend-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}