/* 結帳頁面樣式 */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --gold: #c9a962;
    --gold-light: #e8d5a3;
    --gold-dark: #8b7355;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --text-muted: #666;
    --border: rgba(201, 169, 98, 0.2);
    --success: #4ade80;
    --danger: #f87171;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans TC', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

/* 下單頁標記 */
.test-badge {
    position: fixed;
    top: 80px;
    left: 20px;
    background: linear-gradient(135deg, #ff4444 0%, #cc0000 100%);
    color: white;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4);
    z-index: 9998;
}

/* Header */
.checkout-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    color: var(--gold);
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.1em;
}

.back-home-btn {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
    padding: 0.4rem 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all 0.2s;
}

.back-home-btn:hover {
    color: var(--gold);
    border-color: var(--gold);
    background: rgba(201, 169, 98, 0.1);
}

/* 步驟指示器 */
.checkout-steps {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.5;
    transition: all 0.3s;
}

.step.active {
    opacity: 1;
}

.step.completed {
    opacity: 1;
}

.step.completed .step-number {
    background: var(--success);
    color: #000;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
}

.step.active .step-number {
    background: var(--gold);
    border-color: var(--gold);
    color: #000;
}

.step-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.step.active .step-text {
    color: var(--text-primary);
}

.step-line {
    width: 40px;
    height: 2px;
    background: var(--border);
}

/* Main */
.checkout-main {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.checkout-section {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.checkout-section h2 {
    color: var(--gold);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

/* 購物車商品 */
.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.cart-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--bg-secondary);
}

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

.cart-item-name {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.cart-item-category {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.cart-item-price {
    color: var(--gold);
    font-weight: 600;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

.qty-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.qty-value {
    width: 40px;
    text-align: center;
}

.cart-item-total {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold);
    min-width: 100px;
    text-align: right;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
}

.cart-item-remove:hover {
    color: var(--danger);
}

/* 購物車空狀態 */
.cart-empty {
    text-align: center;
    padding: 3rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.cart-empty p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* 會員登入區塊 */
.member-login-card {
    background: var(--bg-card);
    border: 1px solid var(--gold);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.member-login-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.member-login-icon {
    font-size: 1.25rem;
}

.member-login-title {
    color: var(--gold);
    font-weight: 600;
    font-size: 1rem;
}

.member-login-content {
    text-align: center;
}

.member-login-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.btn-member-login {
    padding: 0.75rem 2rem;
    background: var(--gold);
    color: #000;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-member-login:hover {
    background: var(--gold-light);
    transform: translateY(-1px);
}

.member-logged-in {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.member-info-display {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.member-avatar {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.member-details {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.member-name {
    font-weight: 600;
    color: var(--text-primary);
}

.member-level {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.member-discount-badge {
    background: var(--gold);
    color: #000;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-member-switch {
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-member-switch:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* 購物車小計 */
.cart-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.summary-row.discount {
    color: var(--success);
}

.summary-row.total {
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
    padding-top: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.summary-row.total span:last-child {
    color: var(--gold);
}

.summary-row.section-gap {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border);
}

/* 折扣明細行 */
.discount-detail {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0 0.25rem 1rem;
    font-size: 0.9rem;
}

.discount-label {
    color: var(--success);
}

.discount-value {
    color: var(--success);
    font-weight: 500;
}

.discount-detail.savings {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--border);
    padding-left: 0;
}

.savings-amount {
    color: var(--success);
    font-weight: 600;
}

/* 步驟 2 訂單摘要卡片 */
.order-summary-card {
    border-color: var(--gold);
    background: rgba(201, 169, 98, 0.05);
}

.order-summary-card h3 {
    color: var(--gold);
}

.order-summary-card .summary-row.total {
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.order-summary-card .summary-row.total span:last-child {
    color: var(--gold);
}

/* 表單卡片 */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.form-card h3 {
    color: var(--gold);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border);
}

/* 會員資訊 */
.member-info {
    text-align: center;
    padding: 1rem;
}

.member-info .not-login {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.member-detail {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
}

.info-row .label {
    color: var(--text-secondary);
}

.info-row .value {
    font-weight: 500;
}

/* 表單元素 */
.form-group {
    margin-bottom: 0.875rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.required {
    color: var(--danger);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* 地址選項 */
.address-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.address-option {
    cursor: pointer;
}

.address-option input {
    display: none;
}

.address-option .option-content {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: all 0.2s;
}

.address-option input:checked + .option-content {
    border-color: var(--gold);
    background: rgba(201, 169, 98, 0.1);
}

.address-option .option-content strong {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.address-option .option-content span {
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* 付款選項 */
.payment-options {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.payment-option {
    cursor: pointer;
    flex: 1 1 calc(25% - 0.5rem);
    min-width: 120px;
}

.payment-option input {
    display: none;
}

.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 0.5rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: all 0.2s;
    text-align: center;
    height: 100%;
}

.payment-option input:checked + .option-content {
    border-color: var(--gold);
    background: rgba(201, 169, 98, 0.1);
}

.option-icon {
    font-size: 1.5rem;
}

.option-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
}

.option-text strong {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.option-text small {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* 按鈕 */
.checkout-actions {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-primary,
.btn-secondary {
    padding: 0.875rem 2rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: var(--gold);
    color: #000;
    border: none;
}

.btn-primary:hover {
    background: var(--gold-light);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.btn-print {
    padding: 0.875rem 2rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    background: #2d3748;
    color: #fff;
    border: 1px solid #4a5568;
}

.btn-print:hover {
    background: #4a5568;
    border-color: var(--gold);
}

/* 訂單成功 */
.order-success {
    text-align: center;
    padding: 2rem 0;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
}

.order-success h2 {
    border: none;
    padding: 0;
    margin-bottom: 0.5rem;
}

.order-number {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.order-number strong {
    color: var(--gold);
}

.order-message {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.order-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.order-detail-card h3 {
    color: var(--gold);
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.detail-row span:last-child {
    color: var(--text-primary);
}

/* 匯款資訊 */
.bank-info {
    background: var(--bg-card);
    border: 1px solid var(--gold);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.bank-info h3 {
    color: var(--gold);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.bank-detail p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.bank-detail p strong {
    color: var(--text-primary);
}

.bank-detail .note {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    color: var(--gold);
    font-size: 0.9rem;
}

.success-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1rem 2rem;
    border-radius: 8px;
    color: var(--text-primary);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--success);
}

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

/* RWD */
@media (max-width: 768px) {
    .checkout-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .checkout-steps {
        width: 100%;
        justify-content: center;
    }

    .step-text {
        display: none;
    }

    .step-line {
        width: 30px;
    }

    .checkout-main {
        padding: 1rem;
    }

    .cart-item {
        flex-wrap: wrap;
    }

    .cart-item-image {
        width: 60px;
        height: 60px;
    }

    .cart-item-info {
        flex: 1;
        min-width: 150px;
    }

    .cart-item-qty {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        margin-top: 0.5rem;
    }

    .cart-item-total {
        order: 2;
    }

    .checkout-actions {
        flex-direction: column;
    }

    .checkout-actions .btn-secondary {
        order: 2;
    }

    .success-actions {
        flex-direction: column;
    }

    .test-badge {
        top: auto;
        bottom: 20px;
        left: 10px;
        font-size: 12px;
        padding: 6px 12px;
    }
}