/* ============================================================
   车间数字孪生可视化系统 · 样式表
   色板单一来源：所有状态色定义在 :root，JS 通过 getComputedStyle 读取，
   保证 3D 场景与 ECharts 图表使用完全一致的配色。
   ============================================================ */

:root {
  /* —— 状态色（3D 与图表共用，不可分散定义）—— */
  --c-running:  #22c55e;
  --c-idle:     #f59e0b;
  --c-fault:    #ef4444;
  --c-maint:    #3b82f6;
  --c-offline:  #64748b;
  --c-plan:     #a855f7;

  /* —— 告警等级 —— */
  --c-alarm-l1: #ef4444;
  --c-alarm-l2: #f59e0b;
  --c-alarm-l3: #3b82f6;

  /* —— 界面基色 —— */
  --bg-root:    #0b1220;
  --bg-panel:   #0f172a;
  --bg-card:    #131c31;
  --bg-hover:   #1a2540;
  --border:     rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.26);

  --fg-primary: #e2e8f0;
  --fg-secondary: #94a3b8;
  --fg-tertiary: #64748b;

  --accent:     #38bdf8;
  --accent-dim: rgba(56, 189, 248, 0.14);

  --topbar-h: 56px;
  --radius: 10px;
  --radius-sm: 6px;

  --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-root);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ============ 顶栏 ============ */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  background: linear-gradient(180deg, #101a30 0%, var(--bg-panel) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.brand-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  position: relative;
  flex-shrink: 0;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1.5px solid rgba(255, 255, 255, 0.92);
  border-radius: 2px;
  transform: rotate(45deg);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 15px; font-weight: 500; letter-spacing: 0.02em; }
.brand-text span { font-size: 11px; color: var(--fg-tertiary); letter-spacing: 0.06em; }

.topbar-divider { width: 1px; height: 24px; background: var(--border); flex-shrink: 0; }

.topbar-meta { display: flex; align-items: center; gap: 18px; margin-left: auto; }

.meta-item { display: flex; flex-direction: column; line-height: 1.3; }
.meta-item dt { font-size: 10px; color: var(--fg-tertiary); letter-spacing: 0.04em; margin: 0; }
.meta-item dd { font-size: 14px; font-weight: 500; font-family: var(--font-mono); margin: 0; }

.conn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(34, 197, 94, 0.1);
  font-size: 11px;
  color: var(--fg-secondary);
  white-space: nowrap;
}
.conn-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c-running); box-shadow: 0 0 7px var(--c-running); }
.conn.is-degraded { background: rgba(245, 158, 11, 0.1); }
.conn.is-degraded .conn-dot { background: var(--c-idle); box-shadow: 0 0 7px var(--c-idle); }
.conn.is-offline { background: rgba(239, 68, 68, 0.1); }
.conn.is-offline .conn-dot { background: var(--c-fault); box-shadow: 0 0 7px var(--c-fault); }

/* ============ 主布局 ============ */
.workspace {
  height: calc(100vh - var(--topbar-h));
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(400px, 31vw, 500px);
  gap: 10px;
  padding: 10px;
  overflow: hidden;
}

/* —— 3D 视口 —— */
.viewport {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 70% at 50% 12%, #16233d 0%, #0b1220 68%);
  border: 1px solid var(--border);
  min-width: 0;
}

#scene-canvas { display: block; width: 100%; height: 100%; }

/* —— 视口内 HUD —— */
.hud { position: absolute; z-index: 5; pointer-events: none; }
.hud > * { pointer-events: auto; }

.hud-tl { top: 12px; left: 12px; display: flex; flex-direction: column; gap: 8px; }
.hud-tr { top: 12px; right: 12px; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.hud-bl { bottom: 12px; left: 12px; }
.hud-br { bottom: 12px; right: 12px; display: flex; gap: 8px; align-items: center; }

.glass {
  background: rgba(11, 18, 32, 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

/* 面包屑 / 下钻路径 */
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 11px;
  font-size: 12px;
  white-space: nowrap;
}
.breadcrumb .crumb {
  color: var(--fg-secondary);
  padding: 2px 7px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}
.breadcrumb .crumb:hover { background: var(--bg-hover); color: var(--fg-primary); cursor: pointer; }
.breadcrumb .crumb.is-current { color: var(--accent); background: var(--accent-dim); cursor: default; }
.breadcrumb .sep { color: var(--fg-tertiary); font-size: 10px; }

/* 相机预设 */
.cam-group { display: flex; flex-direction: column; gap: 5px; }
.cam-btn {
  min-width: 88px;
  padding: 6px 10px;
  font-size: 11px;
  font-family: var(--font-sans);
  color: var(--fg-secondary);
  background: rgba(11, 18, 32, 0.78);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
}
.cam-btn:hover { background: var(--bg-hover); color: var(--fg-primary); border-color: var(--accent); }
.cam-btn.is-active { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }

/* 图例 */
.legend { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 10px; max-width: 420px; }
.legend-item { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--fg-secondary); }
.legend-dot { width: 9px; height: 9px; border-radius: 2px; flex-shrink: 0; }

/* 性能读数 */
.perf { padding: 6px 10px; font-family: var(--font-mono); font-size: 11px; color: var(--fg-tertiary); }
.perf b { color: var(--fg-secondary); font-weight: 500; }

/* 悬停 tooltip */
.tooltip {
  position: absolute;
  z-index: 30;
  min-width: 168px;
  padding: 9px 11px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.12s, transform 0.12s;
  font-size: 12px;
}
.tooltip.is-visible { opacity: 1; transform: translateY(0); }
.tt-title { font-weight: 500; margin-bottom: 5px; display: flex; align-items: center; gap: 6px; }
.tt-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.tt-row { display: flex; justify-content: space-between; gap: 16px; color: var(--fg-secondary); font-size: 11px; }
.tt-row span:last-child { font-family: var(--font-mono); color: var(--fg-primary); }

/* ============ 右侧看板 ============ */
.dashboard {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 2px;
}

.dashboard::-webkit-scrollbar { width: 6px; }
.dashboard::-webkit-scrollbar-track { background: transparent; }
.dashboard::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.dashboard::-webkit-scrollbar-thumb:hover { background: var(--fg-tertiary); }

/* KPI 卡片 */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; flex-shrink: 0; }
.kpi {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  min-width: 0;
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--kpi-color, var(--accent));
  opacity: 0.85;
}
.kpi-label { font-size: 10px; color: var(--fg-tertiary); letter-spacing: 0.04em; white-space: nowrap; }
.kpi-value {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  line-height: 1.25;
  color: var(--fg-primary);
  white-space: nowrap;
}
.kpi-value small { font-size: 11px; color: var(--fg-secondary); margin-left: 2px; font-weight: 400; }
.kpi-sub { font-size: 10px; color: var(--fg-tertiary); font-family: var(--font-mono); }
.kpi-sub .up { color: var(--c-running); }
.kpi-sub .down { color: var(--c-fault); }

/* 图表卡片 */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px 6px;
  flex-shrink: 0;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 2px; }
.card-title { font-size: 12px; font-weight: 500; color: var(--fg-primary); }
.card-note { font-size: 10px; color: var(--fg-tertiary); font-family: var(--font-mono); }
.chart { width: 100%; }

/* 告警流 */
.alarm-list { max-height: 168px; overflow-y: auto; margin: 0 -4px; padding: 0 4px; }
.alarm-list::-webkit-scrollbar { width: 4px; }
.alarm-list::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }
.alarm-item {
  display: grid;
  grid-template-columns: 3px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 5px 4px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.07);
  cursor: pointer;
  transition: background 0.12s;
}
.alarm-item:hover { background: var(--bg-hover); }
.alarm-bar { width: 3px; height: 22px; border-radius: 2px; }
.alarm-main { min-width: 0; }
.alarm-title { font-size: 11.5px; color: var(--fg-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.alarm-meta { font-size: 10px; color: var(--fg-tertiary); font-family: var(--font-mono); }
.alarm-dur { font-size: 10px; font-family: var(--font-mono); color: var(--fg-secondary); }
.alarm-empty { padding: 18px 4px; text-align: center; font-size: 11px; color: var(--fg-tertiary); }

/* ============ 响应式 ============ */

/* 中等屏：3D 与看板垂直堆叠 */
@media (max-width: 1180px) {
  html, body { overflow: auto; }
  .workspace {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 58vh auto;
    height: auto;
    min-height: calc(100vh - var(--topbar-h));
    overflow: visible;
  }
  .dashboard { overflow: visible; }
  .kpi-row { grid-template-columns: repeat(4, 1fr); }
}

/* 窄屏 */
@media (max-width: 760px) {
  :root { --topbar-h: auto; }
  .topbar { flex-wrap: wrap; gap: 10px; padding: 9px 12px; }
  .topbar-divider { display: none; }
  .topbar-meta { margin-left: 0; width: 100%; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
  .workspace { grid-template-rows: 52vh auto; padding: 8px; gap: 8px; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .legend { max-width: 260px; }
  .hud-br { display: none; }
  .brand-text span { display: none; }
}

/* 超宽屏 */
@media (min-width: 1920px) {
  .workspace { grid-template-columns: minmax(0, 1fr) clamp(440px, 26vw, 580px); }
  .kpi-value { font-size: 21px; }
}