/* ============================================
   积分充值页面样式
   ============================================ */

.credits-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 24px 40px;
    min-height: 100vh;
}

/* 积分概览 */
.credits-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 36px;
}

.credits-balance-card {
    background: var(--primary-gradient);
    border-radius: 16px;
    padding: 32px;
    color: white;
    text-align: center;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.25);
}

.balance-label {
    font-size: 14px;
    opacity: 0.85;
    margin-bottom: 8px;
}

.balance-value {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 8px;
}

.balance-desc {
    font-size: 12px;
    opacity: 0.7;
}

.credits-cost-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
}

.credits-cost-info h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px;
}

.cost-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cost-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-primary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.cost-icon {
    font-size: 20px;
}

.cost-label {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.cost-value {
    font-size: 14px;
    color: var(--primary-color, #667eea);
    font-weight: 600;
}

/* 充值套餐 */
.credits-recharge-section {
    margin-bottom: 32px;
}

.credits-recharge-section h2,
.credits-payment-section h2,
.credits-history-section h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.package-card {
    position: relative;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    overflow: hidden;
}

.package-card:hover {
    border-color: var(--primary-color, #667eea);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.15);
}

.package-card.selected {
    border-color: var(--primary-color, #667eea);
    background: rgba(102, 126, 234, 0.06);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.2);
}

.package-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 0 12px 0 10px;
}

.package-credits {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.package-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.package-price {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color, #667eea);
}

.package-price::before {
    content: '¥';
    font-size: 14px;
    font-weight: 600;
}

.package-unit-price {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* 支付方式 */
.credits-payment-section {
    margin-bottom: 32px;
    padding: 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.payment-methods {
    display: flex;
    gap: 14px;
    margin-bottom: 20px;
}

.payment-method-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 20px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.payment-method-btn:hover {
    border-color: var(--text-tertiary);
}

.payment-method-btn.selected {
    border-color: var(--primary-color, #667eea);
    background: rgba(102, 126, 234, 0.06);
}

.selected-package-info {
    text-align: center;
    padding: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.pay-now-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-full, 9999px);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pay-now-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.pay-btn-loading {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pay-btn-loading .spinner {
    animation: spin 1s linear infinite;
}

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

/* 二维码弹窗 */
.qr-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: 1000;
    backdrop-filter: blur(4px);
}

.qr-modal-content {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 32px;
    width: 380px;
    max-width: 90vw;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.qr-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.qr-modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.qr-close-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.qr-close-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.qr-code-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    margin-bottom: 12px;
    background: white;
    border-radius: 12px;
    padding: 16px;
    /* 提升对比度，帮助扫码识别 */
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.qr-placeholder {
    color: #999;
    font-size: 14px;
}

/* 使用 QRCode.js 生成的 canvas 和 img 都按实际尺寸显示，不再被压缩 */
.qr-code-container canvas,
.qr-code-container img {
    width: 280px !important;
    height: 280px !important;
    max-width: 100%;
    image-rendering: pixelated; /* 保持像素锐利，避免被浏览器平滑模糊导致难扫 */
}

.qr-code-container .qr-pay-link {
    word-break: break-all;
    font-size: 12px;
    color: #667eea;
    text-align: center;
    line-height: 1.5;
}

/* 新标签页跳转模式提示块（支付宝） */
.pay-redirect-tip {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px 12px;
    width: 100%;
}
.pay-redirect-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1677ff, #3b82f6);
    color: #fff;
    font-size: 30px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 6px 16px rgba(22, 119, 255, 0.25);
}
.pay-redirect-title {
    font-size: 15px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}
.pay-redirect-desc {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.6;
    max-width: 260px;
}

/* 扫码提示语 */
.qr-tip {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}
.qr-tip strong {
    color: var(--primary-color, #667eea);
    font-weight: 600;
}

/* 兜底跳转链接：扫不上时可直接在浏览器打开支付页 */
.qr-fallback {
    text-align: center;
    margin-top: 10px;
}
.qr-open-link {
    display: inline-block;
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: underline;
    opacity: 0.75;
    transition: opacity 0.2s;
}
.qr-open-link:hover {
    opacity: 1;
    color: var(--primary-color, #667eea);
}

.qr-order-info {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.qr-status {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color, #667eea);
    padding: 10px;
    background: rgba(102, 126, 234, 0.08);
    border-radius: 8px;
}

.qr-status.success {
    color: #07c160;
    background: rgba(7, 193, 96, 0.08);
}

.qr-status.failed {
    color: #ff4d4f;
    background: rgba(255, 77, 79, 0.08);
}

/* 积分交易记录 */
.credits-history-section {
    margin-bottom: 40px;
}

.history-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.history-tab {
    padding: 6px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full, 9999px);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.history-tab:hover {
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

.history-tab.active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
}

.history-list {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
}

.history-loading {
    text-align: center;
    padding: 40px;
    color: var(--text-tertiary);
    font-size: 14px;
}

.history-empty {
    text-align: center;
    padding: 40px;
    color: var(--text-tertiary);
    font-size: 14px;
}

.history-item {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
}

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

.history-item:hover {
    background: var(--bg-tertiary);
}

.history-item-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    margin-right: 14px;
    flex-shrink: 0;
}

.history-item-icon.consume {
    background: rgba(255, 77, 79, 0.1);
}

.history-item-icon.recharge {
    background: rgba(7, 193, 96, 0.1);
}

.history-item-icon.gift {
    background: rgba(255, 165, 0, 0.1);
}

.history-item-icon.refund {
    background: rgba(102, 126, 234, 0.1);
}

.history-item-info {
    flex: 1;
    min-width: 0;
}

.history-item-desc {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item-time {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.history-item-amount {
    font-size: 16px;
    font-weight: 700;
    text-align: right;
    min-width: 80px;
}

.history-item-amount.positive {
    color: #07c160;
}

.history-item-amount.negative {
    color: #ff4d4f;
}

.history-item-balance {
    font-size: 11px;
    color: var(--text-tertiary);
    text-align: right;
    margin-top: 1px;
}

/* 分页 */
.history-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.history-pagination button {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.history-pagination button:hover:not(:disabled) {
    border-color: var(--primary-color, #667eea);
    color: var(--primary-color, #667eea);
}

.history-pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.history-pagination .page-info {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: var(--text-tertiary);
    padding: 0 8px;
}

/* 深色主题适配 */
[data-theme="dark"] .qr-code-container {
    background: #1a1a1a;
}

/* 响应式 */
@media (max-width: 768px) {
    .credits-page {
        padding: 70px 16px 30px;
    }

    .credits-overview {
        grid-template-columns: 1fr;
    }

    .package-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .balance-value {
        font-size: 36px;
    }

    .payment-methods {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .package-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   充值 Tab
   ============================================ */
.recharge-tabs-wrap {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 8px 8px 24px;
}

.recharge-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 6px;
    margin-bottom: 24px;
}

.recharge-tab {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.recharge-tab:hover {
    color: var(--text-primary);
}

.recharge-tab.active {
    background: var(--primary-gradient, linear-gradient(135deg, #667eea, #764ba2));
    color: #fff;
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.3);
}

.recharge-tab-panel {
    display: none;
    padding: 0 16px;
}

.recharge-tab-panel.active {
    display: block;
}

/* 月度订阅卡片增强 */
.subscription-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.package-price.free::before {
    content: '';
}

/* ============================================
   加量包 - 单卡片 + slider
   ============================================ */
.onetime-pack-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
}

.onetime-pack-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 24px;
    border-bottom: 1px dashed var(--border-color);
    margin-bottom: 24px;
}

.onetime-pack-credits {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.onetime-pack-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.onetime-pack-price-block {
    text-align: right;
}

.onetime-pack-price {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color, #667eea);
    line-height: 1;
}

.onetime-pack-unit {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 6px;
}

.onetime-slider-wrap {
    margin-bottom: 24px;
}

.onetime-slider-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.onetime-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 999px;
    outline: none;
    border: 1px solid var(--border-color);
}

.onetime-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary-gradient, linear-gradient(135deg, #667eea, #764ba2));
    cursor: pointer;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.onetime-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.onetime-slider-ticks {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 11px;
    color: var(--text-tertiary);
    padding: 0 4px;
}

/* 所有加量包分段列表（12 档网格） */
.onetime-pack-list {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    margin: 20px 0 24px 0;
}

.onetime-pack-item {
    position: relative;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
    user-select: none;
}

.onetime-pack-item:hover {
    border-color: var(--primary-color, #667eea);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}

.onetime-pack-item.active {
    border-color: var(--primary-color, #667eea);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.25);
}

.onetime-pack-item-badge {
    position: absolute;
    top: -8px;
    right: 6px;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--primary-gradient, linear-gradient(135deg, #667eea, #764ba2));
    color: #fff;
    font-weight: 600;
    white-space: nowrap;
}

.onetime-pack-item-credits {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.onetime-pack-item.active .onetime-pack-item-credits {
    color: var(--primary-color, #667eea);
}

.onetime-pack-item-label {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 2px;
    margin-bottom: 8px;
}

.onetime-pack-item-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color, #667eea);
    line-height: 1.2;
}

.onetime-pack-item-unit {
    font-size: 10px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

@media (max-width: 900px) {
    .onetime-pack-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 600px) {
    .onetime-pack-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    .onetime-pack-item {
        padding: 10px 6px;
    }
    .onetime-pack-item-credits {
        font-size: 16px;
    }
    .onetime-pack-item-price {
        font-size: 12px;
    }
}

.onetime-capacity {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 18px 24px;
    margin-bottom: 16px;
}

.onetime-capacity-title {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.onetime-capacity-items {
    display: flex;
    align-items: center;
    gap: 24px;
}

.onetime-capacity-item {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.onetime-capacity-num {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.onetime-capacity-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.onetime-capacity-divider {
    width: 1px;
    height: 36px;
    background: var(--border-color);
}

.onetime-tip {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 20px;
    text-align: center;
}

.onetime-buy-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: var(--primary-gradient, linear-gradient(135deg, #667eea, #764ba2));
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.onetime-buy-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.35);
}

/* ============================================
   计费明细表
   ============================================ */
.model-pricing-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 8px;
    font-size: 13px;
}

.model-pricing-table thead th {
    text-align: left;
    padding: 10px 14px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.model-pricing-table tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.model-pricing-table tbody td:first-child {
    font-weight: 600;
    width: 160px;
    white-space: nowrap;
}

.model-pricing-table tbody tr:hover {
    background: var(--bg-primary);
}

#modelPricingTables h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 8px 0 12px;
}

#modelPricingTables p {
    margin: 4px 0 12px;
}

@media (max-width: 720px) {
    .onetime-pack-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .onetime-pack-price-block {
        text-align: left;
    }
    .model-pricing-table tbody td:first-child {
        width: auto;
    }
}