/* ================================================================
 * DS BigScreen v7.6.0 — 可视化大屏
 * ================================================================ */

:root {
    --bs-bg: #f8fafc;
    --bs-card: #ffffff;
    --bs-text: #0f172a;
    --bs-text-2: #64748b;
    --bs-border: #e2e8f0;
}

/* 后台卡片列表 */
.ds-bs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
    margin-top: 16px;
}
.ds-bs-card {
    background: var(--bs-card);
    border: 1px solid var(--bs-border);
    border-radius: 12px;
    padding: 16px;
    transition: all 0.2s;
}
.ds-bs-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}
.ds-bs-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--bs-text);
}
.ds-bs-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--bs-text-2);
    margin: 8px 0;
}
.ds-bs-url input {
    width: 100%;
    padding: 6px 10px;
    font-size: 11px;
    font-family: 'SF Mono', Consolas, monospace;
    border: 1px solid var(--bs-border);
    border-radius: 6px;
    background: #f8fafc;
    margin: 8px 0;
}
.ds-bs-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* 前台大屏 */
.ds-bigscreen-body {
    margin: 0;
    padding: 24px;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bs-bg);
    color: var(--bs-text);
    min-height: 100vh;
}
.ds-bigscreen-body.ds-bigscreen-dark {
    background: #0f172a;
    color: #f1f5f9;
    background-image:
        radial-gradient(at 20% 20%, rgba(59,130,246,0.1) 0px, transparent 50%),
        radial-gradient(at 80% 30%, rgba(168,85,247,0.1) 0px, transparent 50%),
        radial-gradient(at 50% 80%, rgba(245,158,11,0.08) 0px, transparent 50%);
}
.ds-bigscreen-wrap {
    max-width: 1800px;
    margin: 0 auto;
}
.ds-bigscreen-title {
    font-size: 36px;
    font-weight: 800;
    margin: 0 0 8px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.ds-bigscreen-dark .ds-bigscreen-title {
    background: linear-gradient(90deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.ds-bigscreen-title small {
    font-size: 14px;
    font-weight: 400;
    color: var(--bs-text-2);
    margin-left: 12px;
}
.ds-bigscreen-dark .ds-bigscreen-title small { color: #94a3b8; }
.ds-bigscreen-time {
    font-size: 14px;
    color: var(--bs-text-2);
    margin-bottom: 24px;
    font-family: 'SF Mono', Consolas, monospace;
}
.ds-bigscreen-dark .ds-bigscreen-time { color: #94a3b8; }
.ds-bigscreen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.ds-bs-card-stat {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 24px 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    border: 1px solid rgba(255,255,255,0.3);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.ds-bigscreen-dark .ds-bs-card-stat {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.ds-bs-card-stat::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--card-color, #3b82f6);
}
.ds-bs-card-stat:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}
.ds-bs-card-stat .ds-bs-label {
    font-size: 14px;
    color: var(--bs-text-2);
    margin-bottom: 8px;
}
.ds-bigscreen-dark .ds-bs-card-stat .ds-bs-label { color: #94a3b8; }
.ds-bs-card-stat .ds-bs-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--card-color, #3b82f6);
    line-height: 1;
    transition: all 0.3s;
}
.ds-bs-card-stat .ds-bs-num.flash {
    animation: bsFlash 0.6s;
}
@keyframes bsFlash {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}
.ds-bs-card-stat .ds-bs-suffix {
    font-size: 18px;
    color: var(--bs-text-2);
    margin-left: 4px;
    font-weight: 400;
}
.ds-bs-card-chart {
    background: rgba(255,255,255,0.95);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    border: 1px solid rgba(255,255,255,0.3);
    grid-column: span 2;
    min-height: 280px;
}
.ds-bigscreen-dark .ds-bs-card-chart {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.ds-bs-card-chart h4 {
    margin: 0 0 12px;
    font-size: 16px;
    color: var(--bs-text);
}
.ds-bigscreen-dark .ds-bs-card-chart h4 { color: #f1f5f9; }
.ds-bs-card-chart svg {
    width: 100%;
    height: 200px;
}

.ds-bs-footer {
    text-align: center;
    color: var(--bs-text-2);
    font-size: 12px;
    margin-top: 40px;
}
.ds-bigscreen-dark .ds-bs-footer { color: #64748b; }

/* 嵌入短代码 */
.ds-bigscreen-embed {
    background: var(--bs-card);
    border: 1px solid var(--bs-border);
    border-radius: 12px;
    padding: 20px;
    margin: 16px 0;
}
.ds-bigscreen-embed-loading { color: #94a3b8; }
.ds-bigscreen-embed-error { color: #ef4444; padding: 20px; text-align: center; }

/* 响应式 */
@media (max-width: 768px) {
    .ds-bigscreen-title { font-size: 24px; }
    .ds-bs-card-stat .ds-bs-num { font-size: 32px; }
    .ds-bs-card-chart { grid-column: span 1; }
}