/* 付费弹窗组件 PayModal
   色系：ChatUI 淘宝橙（与项目主体统一）
   品牌主色 #FF6200 / 次要 #FFA040
   文字 #11192D / #4A5675 / #8C9AB5
   背景 #F3F6F8 / #FFFFFF
   阴影 rgba(17, 25, 45, x) 中性夜青黑 */
.pay-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(17, 25, 45, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.pay-box {
    width: 100%;
    max-width: 560px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(17, 25, 45, 0.28);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(16px) scale(0.96);
    opacity: 0;
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.28s ease;
}

.pay-overlay.show .pay-box {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* 头部 */
.pay-header {
    padding: 20px 28px;
    border-bottom: 1px solid #E2E8F0;
}

.pay-title {
    font-size: 17px;
    font-weight: 700;
    color: #11192D;
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* 主体 */
.pay-body {
    padding: 24px 28px;
    text-align: center;
}

/* 金额 */
.pay-amount-wrap {
    font-size: 15px;
    color: #4A5675;
    margin-bottom: 18px;
}

.pay-amount {
    color: #FF6200;
    font-weight: 700;
    font-size: 22px;
    padding: 0 4px;
}

/* 二维码区 */
.pay-qr-row {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 18px;
}

.pay-qr-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.pay-qr-label {
    font-size: 13px;
    color: #4A5675;
    font-weight: 600;
}

.pay-qr-img {
    width: 160px;
    height: 160px;
    object-fit: contain;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    background: #F3F6F8;
}

/* 温馨提示 */
.pay-warm-tip {
    font-size: 13px;
    color: #4A5675;
    line-height: 1.7;
    margin-top: 4px;
    padding: 12px 14px;
    background: #FFF7ED;
    border: 1px solid #FFE4C4;
    border-radius: 8px;
    text-align: left;
}

/* 状态提示 */
.pay-status-tip {
    margin-top: 12px;
    font-size: 13px;
    color: #FF6200;
}

.pay-status-tip.error {
    color: #EF4444;
}

/* 底部按钮 */
.pay-footer {
    display: flex;
    gap: 12px;
    padding: 16px 28px 24px;
}

.pay-btn {
    flex: 1;
    padding: 11px 16px;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 600;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: all 0.2s ease;
    outline: none;
}

.pay-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.pay-btn-cancel {
    background: #F3F6F8;
    color: #4A5675;
    border-color: #E2E8F0;
}

.pay-btn-cancel:hover {
    background: #E8EEF4;
    border-color: #CBD5E1;
}

.pay-btn-confirm {
    background: linear-gradient(135deg, #FF6200, #FFA040);
    color: #fff;
    box-shadow: 0 4px 16px rgba(255, 98, 0, 0.30);
}

.pay-btn-confirm:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(255, 98, 0, 0.40);
}

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

/* 响应式 */
@media (max-width: 480px) {
    .pay-body {
        padding: 20px 18px;
    }

    .pay-qr-row {
        flex-direction: column;
        gap: 16px;
    }

    .pay-qr-img {
        width: 140px;
        height: 140px;
    }
}

/* ===== 服务名小标签 ===== */
.pay-service-name {
    font-size: 12px;
    color: #4A5675;
    background: #F3F6F8;
    display: inline-block;
    padding: 3px 10px;
    border-radius: 9999px;
    margin-bottom: 12px;
    font-weight: 500;
}

.pay-service-name:empty {
    display: none;
}

/* ===== 免费次数展示条 ===== */
.pay-quota-bar {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 10px 14px;
    background: linear-gradient(135deg, #FFF7ED, #FFE4C4);
    border: 1px solid #FFD09A;
    border-radius: 8px;
}

.pay-quota-text {
    font-size: 15px;
    color: #D45A00;
    font-weight: 600;
}

/* ===== 三种模式差异化样式（统一淘宝橙色调） =====
   通过 mode-xxx 类控制边框/标题色，按钮主调统一为品牌橙渐变 */

/* --- 免费模式 --- */
.pay-overlay.mode-free .pay-box {
    border-top: 4px solid #FFA040;
}

.pay-overlay.mode-free .pay-title {
    color: #D45A00;
}

/* --- 付费模式 --- */
.pay-overlay.mode-paid .pay-box {
    border-top: 4px solid #FF6200;
}

.pay-overlay.mode-paid .pay-title {
    color: #D45A00;
}

/* --- 付费功能未开放模式 --- */
.pay-overlay.mode-unavailable .pay-box {
    border-top: 4px solid #FFA040;
}

.pay-overlay.mode-unavailable .pay-title {
    color: #D45A00;
}

/* 提示框：浅橙调，三种模式共用基础，unavailable 居中突出 */
.pay-warm-tip.tip-free {
    color: #D45A00;
    background: #FFF7ED;
    border-color: #FFE4C4;
}

.pay-warm-tip.tip-paid {
    color: #D45A00;
    background: #FFF7ED;
    border-color: #FFE4C4;
}

.pay-warm-tip.tip-unavailable {
    color: #D45A00;
    background: #FFF7ED;
    border-color: #FFE4C4;
    text-align: center;
    font-size: 15px;
    line-height: 1.7;
    padding: 18px 22px;
    border-radius: 10px;
}