/* bigscreen.css — 数据驾驶舱大屏视觉（科技蓝深色范式）
   大屏组件自带 --bs-* 暗色默认值，始终呈现「大数据驾驶舱」质感；
   通过 .cockpit 包裹层应用深空背景，不影响其余后台管理页面的浅/深主题。 */

:root {
  --bs-bg: #070d1f;
  --bs-surface: rgba(18, 30, 60, .55);
  --bs-surface-2: rgba(12, 22, 46, .7);
  --bs-border: rgba(90, 140, 230, .22);
  --bs-text: #cfe0ff;
  --bs-soft: #7f9bce;
  --bs-grid: rgba(120, 170, 255, .12);
  --bs-primary: #2f7bff;
  --bs-accent: #22d3ee;
  --bs-success: #2ee6a6;
  --bs-warn: #ffb020;
  --bs-danger: #ff5c7c;
  --bs-glow: 0 0 18px rgba(47, 123, 255, .35);
}

/* 驾驶舱包裹层：深空蓝黑 + 细栅格纹理 + 发光描边 */
.cockpit {
  position: relative;
  background:
    radial-gradient(1200px 600px at 12% -8%, rgba(47, 123, 255, .16), transparent 55%),
    radial-gradient(1000px 520px at 96% 108%, rgba(34, 211, 238, .12), transparent 55%),
    linear-gradient(180deg, #08122b, #060c1c);
  border: 1px solid var(--bs-border);
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5), inset 0 0 0 1px rgba(255, 255, 255, .02);
  color: var(--bs-text);
}
.cockpit::before {
  content: ''; position: absolute; inset: 0; border-radius: 18px; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(120, 170, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, .05) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(120% 120% at 50% 0%, #000 60%, transparent 100%);
  mask-image: radial-gradient(120% 120% at 50% 0%, #000 60%, transparent 100%);
}

/* ===== 驾驶舱顶部标题栏 ===== */
.cockpit-bar {
  display: flex; align-items: center; gap: 16px;
  margin: 0 0 18px; padding: 14px 22px;
  background: linear-gradient(90deg, rgba(20, 36, 74, .85), rgba(12, 22, 46, .35));
  border: 1px solid var(--bs-border); border-radius: 12px;
  position: relative; overflow: hidden;
}
.cockpit-bar::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: linear-gradient(90deg, transparent, var(--bs-accent), var(--bs-primary), transparent);
  opacity: .7;
}
.cockpit-bar .cb-title { font-size: 20px; font-weight: 800; letter-spacing: .04em; color: #eaf2ff; display: flex; align-items: center; gap: 10px; }
.cockpit-bar .cb-title i { color: var(--bs-accent); }
.cockpit-bar .cb-sub { font-size: 12px; color: var(--bs-soft); margin-top: 2px; letter-spacing: .12em; }
.cockpit-bar .cb-spacer { flex: 1; }
.cockpit-bar .cb-clock { font-variant-numeric: tabular-nums; font-size: 16px; font-weight: 700; color: var(--bs-accent); }
.cockpit-bar .cb-date { font-size: 12px; color: var(--bs-soft); text-align: right; }
.cockpit-bar .cb-btn {
  background: rgba(47, 123, 255, .12); border: 1px solid var(--bs-border); color: var(--bs-text);
  border-radius: 9px; height: 38px; padding: 0 14px; font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px;
}
.cockpit-bar .cb-btn:hover { border-color: var(--bs-accent); color: #fff; box-shadow: var(--bs-glow); }

/* ===== 面板（玻璃 + 发光 + 四角装饰）===== */
.panel {
  position: relative; background: var(--bs-surface); backdrop-filter: blur(8px);
  border: 1px solid var(--bs-border); border-radius: 14px; padding: 16px 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .35), inset 0 0 0 1px rgba(255, 255, 255, .02);
}
.panel::before, .panel::after {
  content: ''; position: absolute; width: 14px; height: 14px; border: 2px solid var(--bs-accent); opacity: .7;
}
.panel::before { left: 8px; top: 8px; border-right: none; border-bottom: none; border-top-left-radius: 6px; }
.panel::after { right: 8px; bottom: 8px; border-left: none; border-top: none; border-bottom-right-radius: 6px; }
.panel-h { display: flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 700; color: #eaf2ff; margin-bottom: 12px; }
.panel-h i { color: var(--bs-accent); font-size: 14px; }
.panel-h .ph-bar { width: 4px; height: 15px; border-radius: 3px; background: linear-gradient(var(--bs-accent), var(--bs-primary)); box-shadow: var(--bs-glow); }
.panel-h .ph-extra { margin-left: auto; font-size: 12px; color: var(--bs-soft); font-weight: 500; }

/* ===== KPI 指标卡 ===== */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 16px; }
.kpi {
  position: relative; overflow: hidden; background: linear-gradient(135deg, rgba(47, 123, 255, .14), rgba(12, 22, 46, .5));
  border: 1px solid var(--bs-border); border-radius: 14px; padding: 16px 18px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}
.kpi::after { content: ''; position: absolute; right: -20px; top: -20px; width: 90px; height: 90px; border-radius: 50%; background: radial-gradient(circle, rgba(34, 211, 238, .25), transparent 70%); }
.kpi .k-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; font-size: 18px; color: #fff; background: linear-gradient(135deg, var(--bs-accent), var(--bs-primary)); box-shadow: var(--bs-glow); margin-bottom: 10px; }
.kpi .k-label { font-size: 13px; color: var(--bs-soft); }
.kpi .k-value { font-size: 30px; font-weight: 800; color: #fff; line-height: 1.1; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .k-value .u { font-size: 14px; font-weight: 600; color: var(--bs-soft); margin-left: 4px; }
.kpi .k-trend { font-size: 12px; margin-top: 6px; display: inline-flex; align-items: center; gap: 4px; }
.kpi .k-trend.up { color: var(--bs-success); } .kpi .k-trend.down { color: var(--bs-danger); }

/* ===== 大屏栅格 ===== */
.bs-grid { display: grid; gap: 16px; }
.bs-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.bs-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.bs-span-2 { grid-column: span 2; }
.bs-chart { width: 100%; height: 260px; }
.bs-chart.sm { height: 220px; }

/* ===== 内置 SVG/HTML 降级图表 ===== */
.bs-bar-wrap { display: flex; flex-direction: column; gap: 9px; }
.bs-bar-row { display: grid; grid-template-columns: 110px 1fr 60px; align-items: center; gap: 10px; }
.bs-bar-name { font-size: 13px; color: var(--bs-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bs-bar-track { height: 14px; background: rgba(120, 170, 255, .1); border-radius: 7px; overflow: hidden; }
.bs-bar-fill { height: 100%; background: linear-gradient(90deg, var(--bs-accent), var(--bs-primary)); border-radius: 7px; width: 0; transition: width .7s ease; box-shadow: var(--bs-glow); }
.bs-bar-val { font-size: 13px; font-weight: 700; text-align: right; color: #eaf2ff; }
.bs-pie { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: center; padding: 6px 0; }
.bs-donut { width: 150px; height: 150px; border-radius: 50%; position: relative; }
.bs-donut-hole { position: absolute; inset: 28%; border-radius: 50%; background: #0a1430; display: grid; place-items: center; text-align: center; }
.bs-donut-hole span { font-size: 20px; font-weight: 800; color: #fff; } .bs-donut-hole small { display: block; font-size: 11px; color: var(--bs-soft); }
.bs-legend-col { display: flex; flex-direction: column; gap: 7px; }
.bs-legend { font-size: 13px; color: var(--bs-soft); display: flex; align-items: center; gap: 7px; }
.bs-legend i { width: 10px; height: 10px; border-radius: 3px; }
.bs-legend b { color: #eaf2ff; margin-left: 2px; }

/* ===== 滚动流水（实时态势）===== */
.scroll-box { height: 260px; overflow: hidden; position: relative; }
.scroll-box .scroller { animation: bsscroll 18s linear infinite; }
.scroll-box:hover .scroller { animation-play-state: paused; }
@keyframes bsscroll { from { transform: translateY(0); } to { transform: translateY(-50%); } }
.flow-row { display: grid; grid-template-columns: 64px 1fr auto; gap: 10px; align-items: center; padding: 9px 4px; border-bottom: 1px dashed var(--bs-border); font-size: 13px; }
.flow-row .fr-seq { color: var(--bs-soft); font-variant-numeric: tabular-nums; }
.flow-row .fr-main { color: var(--bs-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.flow-row .fr-main b { color: #eaf2ff; }

@media (max-width: 1100px) { .bs-grid.cols-3, .bs-grid.cols-2 { grid-template-columns: 1fr; } .bs-span-2 { grid-column: auto; } }
@media (max-width: 768px) { .cockpit-bar { flex-wrap: wrap; } .cockpit-bar .cb-date { display: none; } }