/* 支付結帳頁面專用樣式 - payment.css */

/* ==============================
   支付頁面加載動畫樣式
   ============================== */

.payment-page-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(3px);
}

.payment-page-loading-content {
    text-align: center;
    padding: 2.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    max-width: 350px;
    margin: 0 1rem;
    border: 1px solid #e0e0e0;
}

.payment-page-loading-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #66bb6a;
    border-radius: 50%;
    animation: paymentPageSpinAnimation 1s linear infinite;
    margin: 0 auto 1.5rem auto;
}

@keyframes paymentPageSpinAnimation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.payment-page-loading-text {
    color: #2c5530;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.payment-page-loading-subtext {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ==============================
   送禮選項樣式
   ============================== */

.payment-gift-option-container {
    background: linear-gradient(135deg, #fff9e6, #fff3cd);
    border: 2px solid #f0b900;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    position: relative;
    transition: all 0.3s ease;
}

.payment-gift-option-container:hover {
    box-shadow: 0 4px 15px rgba(240, 185, 0, 0.2);
}

.payment-gift-checkbox-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.payment-gift-checkbox {
    position: relative;
    cursor: pointer;
}

.payment-gift-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: #f0b900;
}

.payment-gift-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #8b5a00;
    cursor: pointer;
}

.payment-gift-icon {
    font-size: 1.3rem;
    color: #f0b900;
}

.payment-gift-description {
    font-size: 0.9rem;
    color: #8b5a00;
    margin-bottom: 1rem;
    opacity: 0.8;
}

/* ==============================
   寄件人資訊區域
   ============================== */

.payment-sender-info-section {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.4s ease;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    padding: 0;
    margin-top: 0;
}

.payment-sender-info-section.show {
    max-height: 500px;
    opacity: 1;
    padding: 1.5rem;
    margin-top: 1rem;
    border: 1px solid #e6d7a3;
}

.payment-sender-info-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #8b5a00;
    margin-bottom: 1rem;
    font-weight: 600;
}

.payment-sender-info-title i {
    color: #f0b900;
}

/* ==============================
   運費計算加載中狀態
   ============================== */

.payment-shipping-calculating {
    position: relative;
    opacity: 0.7;
    pointer-events: none;
}

.payment-shipping-calculating::after {
    content: "計算中...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    color: #66bb6a;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* ==============================
   訂單摘要加載中
   ============================== */

.payment-summary-calculating {
    position: relative;
}

.payment-summary-calculating .summary-row {
    opacity: 0.5;
}

.payment-summary-calculating::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    z-index: 1;
}

.payment-summary-calculating::after {
    content: "正在計算總金額...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #66bb6a;
    font-weight: 600;
    z-index: 2;
    background: white;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

/* ==============================
   配送選項加載中
   ============================== */

.payment-shipping-options-loading {
    padding: 2rem 1rem;
    text-align: center;
    background: #f8f9fa;
    border-radius: 8px;
    margin: 1rem 0;
}

.payment-shipping-options-loading .loading-dots {
    display: inline-flex;
    gap: 0.3rem;
    margin-left: 0.5rem;
}

.payment-shipping-options-loading .loading-dots span {
    width: 8px;
    height: 8px;
    background: #66bb6a;
    border-radius: 50%;
    animation: paymentShippingLoadingDots 1.4s ease-in-out infinite;
}

.payment-shipping-options-loading .loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.payment-shipping-options-loading .loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes paymentShippingLoadingDots {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ==============================
   登入提醒彈窗樣式
   ============================== */

.payment-login-reminder-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.payment-login-reminder-content {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    max-width: 450px;
    margin: 0 1rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    position: relative;
    border: 1px solid #e0e0e0;
}

.payment-login-reminder-icon {
    font-size: 3rem;
    color: #66bb6a;
    margin-bottom: 1rem;
}

.payment-login-reminder-content h3 {
    color: #2c5530;
    margin: 0 0 1rem 0;
    font-size: 1.4rem;
}

.payment-login-reminder-content p {
    color: #666;
    margin: 0.5rem 0 1.5rem 0;
    line-height: 1.6;
}

.payment-login-reminder-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.payment-login-reminder-actions .btn {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease;
    min-width: 120px;
    border: none;
    cursor: pointer;
}

.payment-login-reminder-actions .btn:hover {
    transform: translateY(-2px);
}

.payment-btn-reminder-primary {
    background: linear-gradient(135deg, #66bb6a, #4caf50);
    color: white;
}

.payment-btn-reminder-skip {
    background: #f5f5f5;
    color: #666;
    border: 1px solid #ddd;
    font-size: 0.9rem;
}

/* ==============================
   會員登入提示區域
   ============================== */

.payment-member-reminder {
    background: linear-gradient(135deg, #e3f2fd, #f0f8ff);
    color: #1565c0;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    border: 1px solid #90caf9;
    box-shadow: 0 2px 10px rgba(33, 150, 243, 0.1);
}

.payment-member-reminder h3 {
    color: #1565c0;
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.payment-member-reminder p {
    margin: 0.5rem 0;
    font-size: 1rem;
    color: #1976d2;
}

.payment-member-reminder .benefits-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.payment-member-reminder .benefits-list li {
    padding: 0.3rem 0;
    color: #1976d2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.payment-member-reminder .benefits-list li::before {
    content: "✓";
    color: #4caf50;
    font-weight: bold;
}

.payment-member-reminder .login-btn {
    background: linear-gradient(135deg, #66bb6a, #4caf50);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
    transition: transform 0.2s ease;
}

.payment-member-reminder .login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 187, 106, 0.3);
}

/* ==============================
   運費詳情顯示
   ============================== */

.payment-shipping-details {
    font-size: 0.85rem;
    color: #666;
    margin-top: 0.25rem;
}

.payment-free-shipping-badge {
    background: #4caf50;
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

/* ==============================
   淡入動畫
   ============================== */

.payment-fade-in {
    animation: paymentFadeInAnimation 0.5s ease-in-out;
}

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

/* ==============================
   隱藏內容直到加載完成
   ============================== */

.checkout-section.loading .checkout-container {
    visibility: hidden;
}

/* ==============================
   庫存警告樣式
   ============================== */

.payment-stock-warning {
    background: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.payment-stock-warning i {
    color: #ffc107;
}

.payment-stock-error {
    background: #f8d7da;
    border: 1px solid #dc3545;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.payment-stock-error i {
    color: #dc3545;
}

/* ==============================
   響應式設計
   ============================== */

@media (max-width: 768px) {
    .payment-login-reminder-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .payment-login-reminder-actions .btn {
        width: 100%;
        max-width: 200px;
    }

    .payment-page-loading-content {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .payment-page-loading-spinner {
        width: 50px;
        height: 50px;
        border-width: 4px;
    }

    .payment-gift-option-container {
        padding: 1rem;
    }

    .payment-gift-checkbox-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}