/* ==========================================================================
   DS VIP 试用 v7.7.1 — 样式
   命名空间:ds-trial-
   ========================================================================== */

/* 1. 试用卡片(基础) */
.ds-trial-card {
    background: var(--ds-color-white, #fff);
    border: 1px solid var(--ds-color-border, #e5e7eb);
    border-radius: var(--ds-radius-md, 12px);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* 2. 渐变背景(hero 风格) */
.ds-trial-card.ds-trial-banner {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    color: #fff;
    border: none;
}
.ds-trial-card.ds-trial-banner h3 { color: #fff; }
.ds-trial-card.ds-trial-banner .ds-trial-benefits li { color: rgba(255,255,255,0.9); }
.ds-trial-card.ds-trial-banner .ds-trial-tip { color: rgba(255,255,255,0.8); }

/* 3. 试用中状态 */
.ds-trial-active {
    text-align: center;
}
.ds-trial-active-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}
.ds-trial-active-head h3 {
    font-size: var(--ds-fs-lg, 18px);
    margin: 0;
    color: var(--ds-color-text-1, #1f2937);
}
.ds-trial-icon { font-size: 24px; }

/* 4. 倒计时大字 */
.ds-trial-countdown {
    margin: 20px 0 16px;
    padding: 16px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--ds-radius-md, 8px);
    border: 1px solid #fbbf24;
}
.ds-trial-card.ds-trial-banner .ds-trial-countdown {
    background: rgba(0,0,0,0.25);
    border-color: rgba(255,255,255,0.2);
    color: #fff;
}
.ds-trial-countdown-num {
    font-size: 32px;
    font-weight: 800;
    color: #92400e;
    letter-spacing: -0.5px;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}
.ds-trial-card.ds-trial-banner .ds-trial-countdown-num { color: #fff; }
.ds-trial-countdown-label {
    font-size: 12px;
    color: #92400e;
    opacity: 0.8;
    margin-top: 2px;
}
.ds-trial-card.ds-trial-banner .ds-trial-countdown-label { color: #fff; opacity: 0.85; }

/* 5. 进度条 */
.ds-trial-bar {
    height: 6px;
    background: var(--ds-color-bg, #f3f4f6);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 16px;
}
.ds-trial-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #f59e0b, #ef4444);
    border-radius: 3px;
    transition: width 0.5s;
}

/* 6. 邀请延长 */
.ds-trial-invite {
    background: var(--ds-color-bg, #f3f4f6);
    border-radius: var(--ds-radius-md, 8px);
    padding: 12px;
    margin-bottom: 16px;
    text-align: left;
}
.ds-trial-invite p { margin: 0 0 8px; font-size: 13px; color: var(--ds-color-text-2, #4b5563); }
.ds-trial-invite-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--ds-color-text-3, #9ca3af);
}
.ds-trial-invite-bar strong { color: var(--ds-color-primary, #6366f1); }

/* 7. 按钮 */
.ds-trial-btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--ds-color-primary, #6366f1);
    color: #fff !important;
    border: none;
    border-radius: var(--ds-radius-md, 8px);
    font-size: var(--ds-fs-sm, 14px);
    font-weight: 600;
    text-decoration: none !important;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
}
.ds-trial-btn:hover { background: var(--ds-color-primary-light, #4f46e5); }
.ds-trial-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.ds-trial-btn-large { padding: 14px 24px; font-size: 16px; }
.ds-trial-btn-ghost {
    background: transparent;
    color: var(--ds-color-primary, #6366f1) !important;
    border: 1px solid var(--ds-color-primary, #6366f1);
}
.ds-trial-btn-ghost:hover {
    background: var(--ds-color-primary-light, #eef2ff);
    color: var(--ds-color-primary, #6366f1) !important;
}
.ds-trial-card.ds-trial-banner .ds-trial-btn-ghost {
    background: rgba(255,255,255,0.15);
    color: #fff !important;
    border-color: rgba(255,255,255,0.4);
}
.ds-trial-card.ds-trial-banner .ds-trial-btn-ghost:hover {
    background: rgba(255,255,255,0.25);
    color: #fff !important;
}

/* 8. 试用启动(可试用) */
.ds-trial-start { text-align: center; }
.ds-trial-start-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}
.ds-trial-start-head h3 {
    font-size: var(--ds-fs-lg, 18px);
    margin: 0;
    color: var(--ds-color-text-1, #1f2937);
}
.ds-trial-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    text-align: left;
    display: inline-block;
}
.ds-trial-benefits li {
    padding: 4px 0;
    color: var(--ds-color-text-2, #4b5563);
    font-size: 13px;
}

/* 9. 天数选择 */
.ds-trial-days-pick {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-bottom: 16px;
}
.ds-trial-day {
    cursor: pointer;
}
.ds-trial-day input { display: none; }
.ds-trial-day span {
    display: inline-block;
    padding: 6px 14px;
    background: var(--ds-color-bg, #f3f4f6);
    border: 1px solid transparent;
    border-radius: 999px;
    color: var(--ds-color-text-2, #4b5563);
    font-size: 13px;
    transition: all 0.2s;
}
.ds-trial-day:hover span { color: var(--ds-color-primary, #6366f1); }
.ds-trial-day input:checked + span {
    background: var(--ds-color-primary, #6366f1);
    color: #fff;
    border-color: var(--ds-color-primary, #6366f1);
}

.ds-trial-tip {
    margin: 12px 0 0;
    font-size: 12px;
    color: var(--ds-color-text-3, #9ca3af);
}

/* 10. 已用过 */
.ds-trial-used {
    text-align: center;
    padding: 20px 0;
}
.ds-trial-used h3 {
    font-size: var(--ds-fs-md, 16px);
    color: var(--ds-color-text-1, #1f2937);
    margin: 8px 0 4px;
}
.ds-trial-used p { color: var(--ds-color-text-3, #9ca3af); margin: 0 0 16px; }

/* 11. 顶部通知条 */
.ds-trial-top-notice {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    font-size: 14px;
    animation: ds-trial-slide-down 0.4s ease-out;
}
@keyframes ds-trial-slide-down {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}
.ds-trial-top-notice.is-urgent {
    background: linear-gradient(90deg, #ef4444 0%, #f59e0b 100%);
    animation: ds-trial-pulse 2s ease-in-out infinite;
}
@keyframes ds-trial-pulse {
    0%, 100% { box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
    50% { box-shadow: 0 2px 16px rgba(239, 68, 68, 0.4); }
}
.ds-trial-top-icon { font-size: 20px; }
.ds-trial-top-text { flex: 1; }
.ds-trial-top-text strong {
    font-weight: 700;
    color: #fff;
    margin: 0 2px;
    font-variant-numeric: tabular-nums;
}
.ds-trial-top-cta {
    padding: 4px 12px;
    background: rgba(255,255,255,0.25);
    color: #fff !important;
    text-decoration: none !important;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.2s;
}
.ds-trial-top-cta:hover { background: rgba(255,255,255,0.4); }
.ds-trial-top-close {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.8;
    padding: 0 4px;
    transition: opacity 0.2s;
}
.ds-trial-top-close:hover { opacity: 1; }

/* 12. 用户中心适配 */
.ds-uc-panel .ds-trial-active-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--ds-radius-md, 12px);
    border: 1px solid #fbbf24;
    margin-bottom: 16px;
}
.ds-trial-active-icon { font-size: 40px; }
.ds-trial-active-info { flex: 1; }
.ds-trial-active-info h3 { margin: 0 0 4px; font-size: var(--ds-fs-md, 16px); color: #92400e; }
.ds-trial-active-info p { margin: 2px 0; color: #92400e; font-size: 13px; }
.ds-trial-active-info code {
    background: rgba(146, 64, 14, 0.1);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
}
.ds-trial-active-actions { display: flex; flex-direction: column; gap: 6px; }

.ds-trial-invite-block {
    background: var(--ds-color-bg, #f3f4f6);
    border-radius: var(--ds-radius-md, 8px);
    padding: 16px;
    margin-bottom: 16px;
}
.ds-trial-invite-block h3 { margin: 0 0 4px; font-size: var(--ds-fs-sm, 14px); color: var(--ds-color-text-1, #1f2937); }
.ds-trial-invite-block p { font-size: 12px; color: var(--ds-color-text-2, #4b5563); margin: 4px 0; }
.ds-trial-invite-link {
    display: flex;
    gap: 6px;
    margin: 8px 0;
}
.ds-trial-invite-link input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--ds-color-border, #e5e7eb);
    border-radius: var(--ds-radius-sm, 4px);
    font-family: var(--ds-font-mono, monospace);
    font-size: 12px;
    background: var(--ds-color-white, #fff);
    color: var(--ds-color-text-2, #4b5563);
}
.ds-trial-start-card {
    text-align: center;
    padding: 24px 16px;
    background: linear-gradient(135deg, #eef2ff 0%, #ddd6fe 100%);
    border-radius: var(--ds-radius-md, 12px);
    border: 1px solid #c7d2fe;
    margin-bottom: 16px;
}
.ds-trial-start-card .ds-trial-start-icon { font-size: 48px; }
.ds-trial-start-card h3 { margin: 8px 0; color: var(--ds-color-text-1, #1f2937); }
.ds-trial-start-card .ds-trial-benefits { text-align: left; max-width: 320px; margin: 12px auto 16px; }
.ds-trial-used-card {
    text-align: center;
    padding: 24px 16px;
    background: var(--ds-color-bg, #f3f4f6);
    border-radius: var(--ds-radius-md, 12px);
    border: 1px dashed var(--ds-color-border, #e5e7eb);
    margin-bottom: 16px;
}
.ds-trial-used-card .ds-trial-icon { font-size: 40px; opacity: 0.5; }
.ds-trial-used-card h3 { margin: 8px 0 4px; color: var(--ds-color-text-2, #4b5563); }
.ds-trial-used-card p { color: var(--ds-color-text-3, #9ca3af); margin: 0 0 16px; }

.ds-trial-history-title {
    margin: 24px 0 8px;
    font-size: var(--ds-fs-sm, 14px);
    color: var(--ds-color-text-2, #4b5563);
}

/* 13. 响应式 */
@media (max-width: 768px) {
    .ds-trial-countdown-num { font-size: 24px; }
    .ds-trial-active-card { flex-direction: column; text-align: center; }
    .ds-trial-active-actions { flex-direction: row; justify-content: center; }
    .ds-trial-top-notice { font-size: 12px; padding: 8px 12px; }
    .ds-trial-top-text { font-size: 12px; }
}