/* 支付页面样式 */
.payment-page {
    min-height: calc(100vh - 80px);
    background: var(--bg-primary);
    padding: 3rem 0;
}

.payment-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.page-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

/* 套餐卡片 */
.payment-packages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.package {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    min-height: 400px;
}

.package:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.package.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.package.featured {
    border-color: var(--primary-color);
}

.package-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.package-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.package-header h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
}

.package-price {
    text-align: center;
    margin-bottom: 1rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.package-price .currency {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.package-price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.package-price .decimal {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.package-credits {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.package-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    margin-bottom: 2rem;
    min-height: 80px;
}

.package-features p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.package-features p:last-child {
    margin-bottom: 0;
}

.package .btn {
    margin-top: auto;
}

/* PayPal按钮容器 */
#paypal-button-container {
    max-width: 400px;
    margin: 3rem auto;
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

#paypal-button-container .loading-spinner {
    margin: 0 auto 1rem;
}

#paypal-button-container p {
    text-align: center;
    color: var(--text-secondary);
}

/* 支付说明 */
.payment-info {
    width: 100%;
    max-width: 1200px;
    margin: 3rem auto 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 2rem;
}

.payment-info h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.payment-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.payment-info li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.payment-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 600;
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 100px;
    right: 2rem;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notification-icon {
    font-size: 1.25rem;
    font-weight: bold;
}

.notification-message {
    color: var(--text-primary);
}

.notification-success .notification-icon { color: var(--success-color); }
.notification-warning .notification-icon { color: var(--warning-color); }
.notification-error .notification-icon { color: var(--error-color); }
.notification-info .notification-icon { color: var(--info-color); }

.notification.fade-out {
    animation: slideOut 0.3s ease forwards;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* 用户资料页面样式 */
.profile-page {
    min-height: calc(100vh - 80px);
    background: var(--bg-primary);
    padding: 3rem 0;
}

.profile-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.profile-header {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid var(--border-color);
}

.profile-info h2 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.profile-info p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .payment-packages {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .payment-info ul {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .payment-info li {
        white-space: normal;
    }
}

/* 支付模态弹窗样式 */
.payment-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 1;
    visibility: visible;
    transition: all 0.3s ease;
}

.payment-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.payment-modal-container {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(1) translateY(0);
    transition: all 0.3s ease;
}

.payment-modal-overlay.show .payment-modal-container {
    transform: scale(1) translateY(0);
}

.payment-modal-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.payment-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.payment-modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.payment-modal-header {
    text-align: center;
    padding: 2rem 2rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.payment-modal-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.payment-modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.payment-modal-subtitle {
    font-size: 0.875rem;
    opacity: 0.9;
    margin: 0;
}

.payment-modal-body {
    padding: 2rem;
}

.selected-package-info {
    margin-bottom: 2rem;
}

.package-summary {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.package-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.package-summary-row:last-child {
    margin-bottom: 0;
}

.package-summary-row.total {
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    font-weight: 600;
}

.package-summary-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.package-summary-value {
    color: var(--text-primary);
    font-weight: 500;
}

.package-summary-row.total .package-summary-value {
    color: var(--primary-color);
    font-size: 1.125rem;
    font-weight: 700;
}

.payment-methods {
    margin-bottom: 2rem;
}

.payment-methods h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

#paypal-button-container {
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    margin: 0;
    max-width: none;
}

.payment-security {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.security-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    justify-content: center;
}

.security-info svg {
    color: var(--success-color);
}

/* 模态弹窗加载状态 */
.payment-modal-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.payment-modal-loading .loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 响应式设计 - 模态弹窗 */
@media (max-width: 768px) {
    .payment-modal-container {
        max-width: calc(100vw - 2rem);
        margin: 1rem;
    }
    
    .payment-modal-header {
        padding: 1.5rem 1.5rem 1rem;
    }
    
    .payment-modal-body {
        padding: 1.5rem;
    }
    
    .package-summary {
        padding: 1rem;
    }
    
    .payment-modal-title {
        font-size: 1.25rem;
    }
}