/* ============================================================================
   VitalSim — 样式表
   轻量医疗监护仪风格：浅色主题为基准（IDE Theme = light），支持深色自动适配。
   布局：header / 三栏 main / footer 弹窗层，移动端折叠为单栏 + 抽屉。
   ========================================================================== */

:root {
  --bg:            #eef2f7;
  --bg-2:          #ffffff;
  --bg-3:          #f6f8fb;
  --panel:         #ffffff;
  --border:        #d7e0ea;
  --border-2:      #e6edf4;
  --text:          #16232e;
  --text-2:        #4d6272;
  --text-3:        #8296a6;

  --accent:        #0f8b8d;   /* 主色 teal */
  --accent-2:      #14b8b8;
  --accent-soft:   #e2f4f4;

  --ok:            #159a5b;
  --warn:          #d98324;
  --danger:        #d64545;
  --danger-soft:   #fdeaea;
  --crit:          #b3203d;
  --info:          #2f6fed;
  --purple:        #7a53c4;

  --hr-color:      #d64545;
  --bp-color:      #2f6fed;
  --spo2-color:    #0f8b8d;
  --rr-color:      #d98324;
  --temp-color:    #7a53c4;

  --radius:        10px;
  --radius-sm:     6px;
  --shadow:        0 1px 3px rgba(20,40,60,.08), 0 6px 18px rgba(20,40,60,.06);
  --shadow-lg:     0 10px 40px rgba(15,35,55,.20);

  --header-h:      58px;
  --footer-h:      168px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Courier New", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:#0e161d; --bg-2:#141f28; --bg-3:#101a22; --panel:#141f28;
    --border:#263a48; --border-2:#1e2f3b;
    --text:#e6eef5; --text-2:#a7bccb; --text-3:#6e8798;
    --accent-soft:#123234;
    --danger-soft:#3a1d1d;
    --shadow:0 1px 3px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.3);
  }
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select { font-family: inherit; font-size: 13px; }
.hidden { display: none !important; }

/* ============================ 库加载警告 ============================ */
.lib-warning {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  background: #fff4d6; color: #7a5200; border-bottom: 1px solid #e8c86a;
  padding: 6px 14px; font-size: 12px; text-align: center;
}
.lib-warning i { margin-right: 6px; }

/* ============================ 顶部状态栏 ============================ */
.topbar {
  height: var(--header-h);
  display: flex; align-items: center; gap: 14px;
  padding: 0 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative; z-index: 100;
}
.brand { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.brand i { color: var(--hr-color); font-size: 20px; animation: beat 1s infinite; }
@keyframes beat { 0%,100%{transform:scale(1);} 12%{transform:scale(1.22);} 24%{transform:scale(1);} 36%{transform:scale(1.14);} }
.brand-name { font-weight: 800; font-size: 18px; letter-spacing: -.4px; }
.brand-name em { font-style: normal; color: var(--accent); }
.brand-sub { font-size: 11px; color: var(--text-3); border-left: 1px solid var(--border); padding-left: 8px; }

.vitals { display: flex; gap: 6px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.vitals::-webkit-scrollbar { display: none; }
.vital {
  display: flex; align-items: baseline; gap: 5px;
  padding: 5px 10px; border-radius: var(--radius-sm);
  background: var(--bg-3); border: 1px solid var(--border-2);
  min-width: 88px; flex-shrink: 0; transition: background .2s, border-color .2s;
}
.vital-label { font-size: 10px; font-weight: 700; color: var(--text-3); text-transform: uppercase; }
.vital-value { font-size: 17px; font-weight: 700; font-family: var(--mono); letter-spacing: -.5px; }
.vital-unit  { font-size: 9px; color: var(--text-3); }
.vital[data-key="hr"] .vital-value   { color: var(--hr-color); }
.vital[data-key="bp"] .vital-value   { color: var(--bp-color); }
.vital[data-key="spo2"] .vital-value { color: var(--spo2-color); }
.vital[data-key="rr"] .vital-value   { color: var(--rr-color); }
.vital[data-key="temp"] .vital-value { color: var(--temp-color); }

.vital.alarm-warn  { background: #fff8ea; border-color: #f0c070; }
.vital.alarm-crit  { background: var(--danger-soft); border-color: #f0a0a0; animation: pulseAlarm 1s infinite; }
@keyframes pulseAlarm { 0%,100%{opacity:1;} 50%{opacity:.55;} }
.vital.alarm-warn .vital-value, .vital.alarm-crit .vital-value { color: var(--danger); }

.clock { text-align: right; flex-shrink: 0; }
.clock-time { font-family: var(--mono); font-size: 16px; font-weight: 700; color: var(--accent); }
.clock-label { font-size: 9px; color: var(--text-3); }

.icon-btn {
  width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0;
  color: var(--text-2); display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--bg-3); color: var(--accent); }
/* 小号图标按钮（设置入口）：比常规 icon-btn 小一档，且触摸目标不低于 30px */
.icon-btn-sm { width: 26px; height: 26px; font-size: 12px; border-radius: 7px; }

/* ============================ 启动加载界面 ============================ */
.boot-loader {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg, #f4f7fa);
  transition: opacity .35s ease;
}
.boot-loader-out { opacity: 0; pointer-events: none; }
.boot-card { text-align: center; padding: 28px 34px; max-width: 340px; }
.boot-brand { display: flex; flex-direction: column; gap: 3px; }
.boot-logo { font-size: 27px; font-weight: 800; letter-spacing: -.4px; color: var(--text); }
.boot-logo em { font-style: normal; color: var(--accent); }
.boot-sub { font-size: 11px; color: var(--text-3); letter-spacing: 1.2px; }

/* 心电图动画：描边从左向右扫过，配合下方移动光点 */
.boot-ecg { position: relative; height: 46px; margin: 20px 0 4px; }
.boot-ecg svg { width: 100%; height: 100%; display: block; }
.boot-ecg polyline {
  fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round;
  stroke-dasharray: 260; stroke-dashoffset: 260;
  animation: bootEcg 1.5s linear infinite;
}
@keyframes bootEcg {
  0%   { stroke-dashoffset: 260; }
  55%  { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -260; }
}
.boot-ecg-dot {
  position: absolute; top: 50%; left: 0; width: 7px; height: 7px; margin-top: -3.5px;
  border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent);
  animation: bootEcgDot 1.5s linear infinite;
}
@keyframes bootEcgDot {
  0%   { left: 0; opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

.boot-stage { font-size: 12.5px; color: var(--text-2); min-height: 18px; margin-top: 6px; }
/* 不定进度条：不谎报百分比，只表示"仍在进行" */
.boot-bar {
  height: 3px; margin: 10px auto 0; width: 190px; max-width: 70%;
  background: var(--border); border-radius: 2px; overflow: hidden;
}
.boot-bar-fill {
  height: 100%; width: 38%; border-radius: 2px; background: var(--accent);
  animation: bootBar 1.25s ease-in-out infinite;
}
@keyframes bootBar {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(365%); }
}
.boot-tip { font-size: 10.5px; color: var(--text-3); margin-top: 14px; line-height: 1.5; }

/* 深色主题下的加载底（与现有 --bg 变量联动，无需额外覆盖） */

/* ============================ 设置弹窗 ============================ */
.settings-section { padding: 11px 0; border-bottom: 1px solid var(--border); }
.settings-section:last-of-type { border-bottom: none; }
.settings-label { font-size: 10.5px; color: var(--text-3); letter-spacing: .5px; margin-bottom: 5px; }
.settings-value { font-size: 14.5px; font-weight: 700; color: var(--text); }
.settings-value.mono { font-family: var(--mono); letter-spacing: .5px; }
.settings-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.btn-copy {
  flex: 0 0 auto; padding: 6px 13px; font-size: 11.5px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-3); color: var(--text-2);
  font-weight: 700; transition: all .15s;
}
.btn-copy:hover { border-color: var(--accent); color: var(--accent); }
.btn-copy.copied { background: var(--accent); border-color: var(--accent); color: #fff; }
.settings-meta { margin-top: 14px; font-size: 10.5px; color: var(--text-3); line-height: 1.6; }

/* ============================ 三栏布局 ============================ */
.layout {
  position: absolute; top: var(--header-h); bottom: var(--footer-h); left: 0; right: 0;
  display: grid;
  grid-template-columns: 272px 1fr 330px;
  /* minmax(0,1fr)：grid item 默认 min-height:auto 会被内容撑开，
     导致中栏 SVG（按 viewBox 比例撑高）把整行顶到 1500px+ 并溢出裁剪。
     显式限制行高可让子面板受容器约束、内部各自滚动。 */
  grid-template-rows: minmax(0, 1fr);
  gap: 8px; padding: 8px;
}

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden;
  min-height: 0;      /* 同上：允许在 grid 行内收缩 */
}
.panel-tabs { display: flex; border-bottom: 1px solid var(--border); flex-shrink: 0; background: var(--bg-3); }
.tab {
  flex: 1; padding: 9px 4px; font-size: 11.5px; font-weight: 600; color: var(--text-3);
  border-bottom: 2px solid transparent; transition: all .15s; white-space: nowrap;
}
.tab i { margin-right: 3px; }
.tab:hover { color: var(--text); background: var(--bg-2); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); background: var(--panel); }

.tab-body, .rbody { flex: 1; overflow-y: auto; padding: 10px; }
.rbody { display: flex; flex-direction: column; gap: 12px; }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); background-clip: content-box; }

.search-box { position: relative; margin-bottom: 8px; }
.search-box i { position: absolute; left: 9px; top: 50%; transform: translateY(-50%); color: var(--text-3); font-size: 11px; }
.search-box input {
  width: 100%; padding: 7px 9px 7px 27px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-3); color: var(--text); outline: none;
}
.search-box input:focus { border-color: var(--accent); background: var(--panel); }

.select {
  width: 100%; padding: 6px 8px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-3); color: var(--text); margin-bottom: 8px; outline: none;
}

/* ============================ 器官树 ============================ */
.organ-tree { display: flex; flex-direction: column; gap: 2px; }
.tree-group-title {
  font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .8px;
  color: var(--text-3); margin: 8px 0 4px; padding-left: 4px;
}
.organ-node {
  display: flex; align-items: center; gap: 8px; padding: 7px 8px;
  border-radius: var(--radius-sm); cursor: pointer; transition: background .12s;
  border: 1px solid transparent; position: relative;
}
.organ-node:hover { background: var(--bg-3); }
.organ-node.active { background: var(--accent-soft); border-color: var(--accent); }
.organ-node .on-icon { width: 18px; text-align: center; color: var(--text-2); font-size: 12px; }
.organ-node.active .on-icon { color: var(--accent); }
.organ-node .on-name { flex: 1; font-size: 12.5px; font-weight: 500; }
.organ-node .on-score {
  font-family: var(--mono); font-size: 11px; font-weight: 700; padding: 1px 6px;
  border-radius: 20px; background: var(--bg-3); color: var(--text-2); min-width: 40px; text-align: center;
}
.on-score.s-good { background: #e3f6eb; color: var(--ok); }
.on-score.s-warn { background: #fdf1e0; color: var(--warn); }
.on-score.s-bad  { background: var(--danger-soft); color: var(--danger); }
.on-bar { position: absolute; left: 0; bottom: 0; height: 2px; border-radius: 2px; transition: width .3s, background .3s; }

.tree-hint { margin-top: 10px; padding: 8px; font-size: 11px; color: var(--text-3); background: var(--bg-3); border-radius: var(--radius-sm); line-height: 1.5; }
.tree-hint i { color: var(--accent); margin-right: 4px; }

/* ============================ 系统列表 ============================ */
.system-list { display: flex; flex-direction: column; gap: 5px; }
.system-node {
  padding: 9px 10px; border-radius: var(--radius-sm); background: var(--bg-3);
  border: 1px solid var(--border-2); cursor: pointer; transition: all .12s;
}
.system-node:hover { border-color: var(--accent); }
.system-node.active { background: var(--accent-soft); border-color: var(--accent); }
.system-node .sn-head { display: flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; }
.system-node .sn-head i { color: var(--accent); width: 15px; }
.system-node .sn-desc { font-size: 10.5px; color: var(--text-3); margin-top: 3px; line-height: 1.4; }

/* ============================ 药物列表 ============================ */
.drug-list { display: flex; flex-direction: column; gap: 3px; }
.drug-row {
  padding: 7px 8px; border-radius: var(--radius-sm); cursor: pointer;
  background: var(--bg-3); border: 1px solid var(--border-2); transition: all .12s;
}
.drug-row:hover { border-color: var(--accent); background: var(--panel); }
.drug-row .dr-top { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.drug-row .dr-name { font-size: 12px; font-weight: 600; }
.drug-row .dr-class { font-size: 9.5px; color: var(--accent); background: var(--accent-soft); padding: 1px 5px; border-radius: 3px; white-space: nowrap; }
.drug-row .dr-sub { font-size: 10px; color: var(--text-3); margin-top: 3px; font-family: var(--mono); }

/* ============================ 中栏 ============================ */
.center-panel { display: flex; flex-direction: column; gap: 8px; min-width: 0; min-height: 0; overflow: hidden; }
.viewport {
  flex: 1; position: relative; min-height: 0;
  background: radial-gradient(circle at 50% 38%, var(--bg-2) 0%, var(--bg-3) 100%);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
#threeCanvas { width: 100%; height: 100%; display: block; cursor: grab; }
#threeCanvas:active { cursor: grabbing; }
/* SVG 降级视图：用绝对定位填满容器，避免"百分比高度无法解析 →
   回退到 viewBox 内在高度（300×620 → 撑到 1300px）"的问题 */
.svg-fallback { position: absolute; inset: 0; width: 100%; height: 100%; }

.view-hint {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  font-size: 10.5px; color: var(--text-3); background: rgba(255,255,255,.82);
  padding: 4px 12px; border-radius: 20px; pointer-events: none; backdrop-filter: blur(4px);
  border: 1px solid var(--border-2); white-space: nowrap;
}
@media (prefers-color-scheme: dark){ .view-hint{ background: rgba(20,31,40,.82);} }

.view-badge {
  position: absolute; top: 10px; left: 10px; font-size: 11px; font-weight: 700;
  color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 20px;
  border: 1px solid var(--accent); backdrop-filter: blur(4px);
}

.tooltip {
  position: absolute; pointer-events: none; z-index: 50;
  background: var(--panel); border: 1px solid var(--accent); border-radius: var(--radius-sm);
  padding: 7px 10px; font-size: 11px; box-shadow: var(--shadow-lg); max-width: 220px; line-height: 1.5;
}
.tooltip .tt-title { font-weight: 700; color: var(--accent); margin-bottom: 3px; }

.pathology-bar { position: absolute; top: 10px; right: 10px; display: flex; gap: 6px; }
.path-btn {
  padding: 5px 11px; font-size: 11px; font-weight: 600; border-radius: 20px;
  background: rgba(255,255,255,.9); border: 1px solid var(--border); color: var(--text-2);
  backdrop-filter: blur(4px); transition: all .15s;
}
@media (prefers-color-scheme: dark){ .path-btn{ background: rgba(20,31,40,.9);} }
.path-btn:hover { border-color: var(--accent); color: var(--accent); }
.path-btn.danger:hover { border-color: var(--danger); color: var(--danger); }
.path-btn i { margin-right: 4px; }

.perfusion-legend {
  position: absolute; bottom: 10px; right: 10px; font-size: 9.5px; color: var(--text-3);
  background: rgba(255,255,255,.82); padding: 5px 9px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-2); display: flex; align-items: center; gap: 5px; flex-wrap: wrap;
  max-width: 130px; line-height: 1.6;
}
@media (prefers-color-scheme: dark){ .perfusion-legend{ background: rgba(20,31,40,.82);} }
.lg { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.lg-good { background: var(--ok); } .lg-warn { background: var(--warn); } .lg-bad { background: var(--danger); }

/* ============================ 图表 ============================ */
.chart-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 108px;
  gap: 8px; flex-shrink: 0;
}
.chart-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 6px 8px 2px; display: flex; flex-direction: column; overflow: hidden;
  position: relative;
}
.chart-card.wide { grid-column: span 4; grid-row: span 1; }
.chart-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 10.5px; font-weight: 600; color: var(--text-2); flex-shrink: 0; margin-bottom: 2px;
}
.chart-val { font-family: var(--mono); font-size: 10.5px; color: var(--accent); font-weight: 700; }
.chart-card canvas { flex: 1; min-height: 0; width: 100% !important; }

/* ============================ 右栏详情 ============================ */
.detail-head { border-bottom: 1px solid var(--border-2); padding-bottom: 8px; }
.detail-head h3 { font-size: 15px; font-weight: 700; color: var(--text); }
.detail-sub { font-size: 11px; color: var(--text-3); }

.metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin-top: 8px; }
.metric-card {
  background: var(--bg-3); border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  padding: 7px 9px; position: relative;
}
.metric-card .mc-val { font-family: var(--mono); font-size: 16px; font-weight: 700; color: var(--text); }
.metric-card .mc-val small { font-size: 9px; font-weight: 400; color: var(--text-3); margin-left: 2px; }
.metric-card .mc-label { font-size: 10px; color: var(--text-3); margin-top: 1px; }
.metric-card.mc-good .mc-val { color: var(--ok); }
.metric-card.mc-warn .mc-val { color: var(--warn); }
.metric-card.mc-bad  .mc-val { color: var(--danger); }

.subsection { }
.subsection h4 {
  font-size: 11px; font-weight: 700; color: var(--text-2); text-transform: uppercase;
  letter-spacing: .5px; margin-bottom: 6px; display: flex; align-items: center; gap: 5px;
}
.subsection h4 i { color: var(--accent); font-size: 10px; }

.kv-list { display: flex; flex-direction: column; gap: 1px; }
.kv-list.scrollable { max-height: 340px; overflow-y: auto; }
.kv {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 5px 7px; border-radius: 4px; font-size: 11.5px; transition: background .12s;
}
.kv:nth-child(odd) { background: var(--bg-3); }
.kv:hover { background: var(--accent-soft); }
.kv .kv-k { color: var(--text-2); flex: 1; min-width: 0; }
.kv .kv-k .kv-badge { font-size: 9px; color: var(--text-3); background: var(--border-2); padding: 0 4px; border-radius: 3px; margin-left: 4px; }
.kv .kv-v { font-family: var(--mono); font-weight: 700; color: var(--text); white-space: nowrap; }
.kv .kv-ref { font-size: 9.5px; color: var(--text-3); font-weight: 400; margin-left: 4px; }
.kv.v-ok   .kv-v { color: var(--ok); }
.kv.v-warn .kv-v { color: var(--warn); }
.kv.v-bad  .kv-v { color: var(--danger); }

.help-dot {
  display: inline-flex; align-items: center; justify-content: center;
  width: 13px; height: 13px; border-radius: 50%; font-size: 9px; font-weight: 700;
  background: var(--border); color: var(--text-2); cursor: pointer; margin-left: 4px; flex-shrink: 0;
  transition: background .15s;
}
.help-dot:hover { background: var(--accent); color: #fff; }

.empty { font-size: 11px; color: var(--text-3); padding: 8px; text-align: center; font-style: italic; }

/* PK 卡片 */
.pk-list { display: flex; flex-direction: column; gap: 6px; }
.pk-card { background: var(--bg-3); border: 1px solid var(--border-2); border-radius: var(--radius-sm); padding: 7px 9px; }
.pk-card .pk-top { display: flex; justify-content: space-between; align-items: center; }
.pk-card .pk-name { font-size: 12px; font-weight: 700; }
.pk-card .pk-conc { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--accent); }
.pk-card .pk-info { font-size: 10px; color: var(--text-3); margin-top: 3px; font-family: var(--mono); line-height: 1.45; }
.pk-card .pk-effect { font-size: 10.5px; color: var(--text-2); margin-top: 4px; }
.pk-card .pk-stop {
  font-size: 10px; color: var(--danger); border: 1px solid var(--danger); border-radius: 4px;
  padding: 1px 7px; margin-top: 5px;
}
.pk-card .pk-stop:hover { background: var(--danger); color: #fff; }

/* ============================ 底部控制栏 ============================ */
.bottombar {
  position: absolute; bottom: 0; left: 0; right: 0; height: var(--footer-h);
  background: var(--panel); border-top: 1px solid var(--border);
  display: flex; gap: 10px; padding: 8px 12px; box-shadow: 0 -2px 10px rgba(20,40,60,.06);
  z-index: 90;
}
.time-controls { display: flex; flex-direction: column; gap: 6px; justify-content: center; flex-shrink: 0; }
.ctrl-btn {
  width: 38px; height: 34px; border-radius: 8px; background: var(--bg-3);
  border: 1px solid var(--border); color: var(--text-2); font-size: 13px; transition: all .15s;
}
.ctrl-btn:hover { border-color: var(--accent); color: var(--accent); }
.ctrl-btn.playing { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.speed-group { display: flex; gap: 3px; }
.speed-btn {
  padding: 4px 9px; font-size: 10.5px; font-weight: 700; border-radius: 5px;
  background: var(--bg-3); border: 1px solid var(--border); color: var(--text-3); transition: all .15s;
}
.speed-btn:hover { color: var(--accent); }
.speed-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---- 快进按钮（⏭1h / ⏭1d）----
   与 ctrl-btn 同尺寸，图标左侧 + 短标签，桌面隐藏标签只留图标，
   保证时间控件一行的既有排布不被撑开。 */
.skip-btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  gap: 3px; width: auto; min-width: 38px; padding: 0 7px;
}
.skip-btn .skip-lbl { font-size: 10px; font-weight: 700; line-height: 1; letter-spacing: .2px; }
.skip-btn:hover { border-color: var(--accent); color: var(--accent); }
.ctrl-btn:disabled, .speed-btn:disabled, .int-btn:disabled, .btn:disabled {
  opacity: .42; cursor: not-allowed; pointer-events: none;
}
/* 快进进行中：时间控件整体降饱和并轻微脉动，提示主循环已让位给快进 */
body.skipping .time-controls { opacity: .7; }
body.skipping #btnSkipDay, body.skipping #btnSkipHour {
  border-color: var(--accent); color: var(--accent);
  animation: skipPulse 1.1s ease-in-out infinite;
}
@keyframes skipPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,0,0,0); }
  50%      { box-shadow: 0 0 0 3px var(--accent-soft, rgba(0,120,200,.18)); }
}

.interventions { display: flex; flex-wrap: wrap; gap: 5px; align-content: center; max-width: 320px; flex-shrink: 0; }
.int-btn {
  padding: 7px 11px; font-size: 11px; font-weight: 600; border-radius: var(--radius-sm);
  background: var(--bg-3); border: 1px solid var(--border); color: var(--text-2); transition: all .15s;
  display: flex; flex-direction: column; align-items: center; gap: 2px; min-width: 58px;
}
.int-btn i { font-size: 13px; color: var(--accent); }
.int-btn:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.int-btn.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.int-btn.on i { color: #fff; }

.log-wrap { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--bg-3); border-radius: var(--radius-sm); border: 1px solid var(--border-2); }
.log-head { display: flex; justify-content: space-between; align-items: center; padding: 4px 9px; font-size: 10.5px; font-weight: 700; color: var(--text-3); border-bottom: 1px solid var(--border-2); text-transform: uppercase; letter-spacing: .5px; }
.mini-btn { font-size: 10px; color: var(--text-3); padding: 1px 5px; border-radius: 3px; }
.mini-btn:hover { color: var(--danger); background: var(--danger-soft); }
.log-list { flex: 1; overflow-y: auto; padding: 4px 8px; font-size: 11px; line-height: 1.55; font-family: var(--mono); }
.log-entry { display: flex; gap: 7px; padding: 1px 0; }
.log-entry .lt { color: var(--text-3); flex-shrink: 0; }
.log-entry .lm { flex: 1; }
.log-entry.lv-info  .lm { color: var(--text-2); }
.log-entry.lv-drug  .lm { color: var(--purple); }
.log-entry.lv-warn  .lm { color: var(--warn); }
.log-entry.lv-crit  .lm { color: var(--danger); font-weight: 700; }
.log-entry.lv-good  .lm { color: var(--ok); }

/* ============================ 弹窗 ============================ */
.modal {
  position: fixed; inset: 0; z-index: 1000; background: rgba(15,30,45,.45);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  backdrop-filter: blur(3px); animation: fadeIn .15s;
}
@keyframes fadeIn { from{opacity:0;} to{opacity:1;} }
.modal-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow-lg); width: 100%; max-width: 560px; max-height: 86vh;
  display: flex; flex-direction: column; animation: slideUp .2s;
}
.modal-card.narrow { max-width: 430px; }
@keyframes slideUp { from{transform:translateY(14px);} to{transform:translateY(0);} }
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.modal-head h3 { font-size: 15px; font-weight: 700; }
.modal-body { padding: 16px; overflow-y: auto; }

/* 给药弹窗内容 */
.dose-info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; margin-bottom: 14px; }
.dose-info { background: var(--bg-3); border-radius: var(--radius-sm); padding: 7px 9px; }
.dose-info .di-k { font-size: 9.5px; color: var(--text-3); text-transform: uppercase; letter-spacing: .4px; }
.dose-info .di-v { font-size: 12.5px; font-weight: 600; margin-top: 2px; }
.dose-info .di-v.mono { font-family: var(--mono); }

.field { margin-bottom: 13px; }
.field label { display: block; font-size: 11.5px; font-weight: 600; color: var(--text-2); margin-bottom: 5px; }
.field label .fl-val { float: right; font-family: var(--mono); color: var(--accent); font-weight: 700; }
.field input[type=range] { width: 100%; accent-color: var(--accent); }
.field input[type=number], .field input[type=text] {
  width: 100%; padding: 7px 9px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-3); color: var(--text); outline: none;
}
.field input:focus { border-color: var(--accent); background: var(--panel); }

.radio-row { display: flex; gap: 6px; }
.radio-pill {
  flex: 1; text-align: center; padding: 7px; font-size: 11.5px; font-weight: 600;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-3);
  color: var(--text-3); cursor: pointer; transition: all .15s;
}
.radio-pill:hover { border-color: var(--accent); }
.radio-pill.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.modal-actions { display: flex; gap: 8px; margin-top: 16px; }
.btn {
  flex: 1; padding: 10px; border-radius: var(--radius-sm); font-size: 12.5px; font-weight: 700;
  border: 1px solid var(--border); background: var(--bg-3); color: var(--text-2); transition: all .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-2); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger:hover { filter: brightness(1.1); }

.drug-desc { font-size: 11.5px; color: var(--text-2); line-height: 1.6; margin-bottom: 12px; }
.drug-desc b { color: var(--accent); }
.warn-box {
  background: #fff8ea; border: 1px solid #f0c070; border-radius: var(--radius-sm);
  padding: 8px 10px; font-size: 11px; color: #8a5a00; line-height: 1.55; margin-top: 10px;
}
@media (prefers-color-scheme: dark){ .warn-box { background:#33280f; color:#e8c86a; border-color:#6b5620; } }
.warn-box i { margin-right: 5px; }

.teach-list { display: flex; flex-direction: column; gap: 10px; }
.teach-item h4 { font-size: 12.5px; color: var(--accent); margin-bottom: 4px; }
.teach-item p { font-size: 12px; color: var(--text-2); line-height: 1.7; }

.path-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
/* 分组标题：横跨整行，把 32 种病理按系统分节 */
.path-group {
  grid-column: 1 / -1; display: flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; color: var(--text-2); letter-spacing: .6px;
  padding: 7px 2px 3px; border-bottom: 1px solid var(--border-2); margin-top: 3px;
}
.path-group:first-child { margin-top: 0; }
.path-group .pg-count { font-size: 9.5px; font-weight: 600; color: var(--text-3); letter-spacing: 0; }
.path-card {
  padding: 11px; border-radius: var(--radius-sm); background: var(--bg-3);
  border: 1px solid var(--border-2); cursor: pointer; transition: all .15s; text-align: left;
}
.path-card:hover { border-color: var(--danger); background: var(--danger-soft); }
.path-card .pc-name { font-size: 12.5px; font-weight: 700; }
.path-card .pc-desc { font-size: 10.5px; color: var(--text-3); margin-top: 3px; line-height: 1.45; }
/* 自然病程说明：区分「自限性」与「需治疗」，让用户知道该不该等它自己好 */
.path-card .pc-course {
  font-size: 9.5px; margin-top: 4px; padding: 2px 6px; border-radius: 4px;
  display: inline-block; background: var(--bg-2, rgba(0,0,0,.04)); color: var(--text-3);
}
.path-card .pc-course:not(:empty) { border-left: 2px solid var(--border-2); }
/* 单病理「解除」按钮：仅在该病理活跃时显示 */
.path-card .pc-clear {
  font-size: 9.5px; font-weight: 700; padding: 2px 7px; border-radius: 4px; flex-shrink: 0;
  border: 1px solid var(--border-2); background: var(--panel); color: var(--text-3);
  transition: all .15s;
}
.path-card .pc-clear:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-soft); }

/* ============================ 响应式 ============================ */
@media (max-width: 1180px) {
  .layout { grid-template-columns: 232px 1fr 290px; }
  .brand-sub { display: none; }
}

/* ---- 移动端抽屉开关（默认隐藏，窄屏显示） ---- */
.drawer-toggle, .drawer-backdrop { display: none; }

@media (max-width: 900px) {
  :root { --header-h: 54px; --footer-h: 178px; }
  .layout { grid-template-columns: 1fr; grid-template-rows: 1fr; }
  .left-panel  { position: absolute; left: 8px; top: 8px; bottom: 8px; width: min(300px, 84vw); z-index: 60; transform: translateX(-110%); transition: transform .25s; box-shadow: var(--shadow-lg); }
  .right-panel { position: absolute; right: 8px; top: 8px; bottom: 8px; width: min(340px, 88vw); z-index: 60; transform: translateX(110%); transition: transform .25s; box-shadow: var(--shadow-lg); }
  .left-panel.open, .right-panel.open { transform: translateX(0); }
  .center-panel { grid-column: 1; position: relative; }

  /* ===== 窄屏高效布局（手机 / 小平板）=====
     屏幕小，每一像素都要花在人体视图上：
     1) 五张图表缩成左上角迷你浮层（横向滑动查看），不再占底部通栏，
        人体视图 therefore 拿满整高；
     2) 三个选择入口（器官抽屉 / 详情抽屉 / 病理条）统一收到底部右下角，
        全部落在拇指热区，且不再与顶部徽标/图例互相重叠；
     3) 暂停 / 倍速 / 重置 / 单步排成一行，干预条独立一行，日志吃满剩余高度。 */
  .chart-grid {
    position: absolute; top: 6px; left: 6px; z-index: 20;
    width: min(300px, calc(100% - 142px)); height: 64px;
    display: flex; grid-template-columns: none; grid-auto-rows: auto;
    gap: 6px; overflow-x: auto; overflow-y: hidden;
    -webkit-overflow-scrolling: touch; scrollbar-width: none;
  }
  .chart-grid::-webkit-scrollbar { display: none; }
  .chart-card, .chart-card.wide {
    flex: 0 0 132px; min-width: 132px; grid-column: auto; height: 60px;
    padding: 3px 6px 1px; border-radius: 8px;
  }
  .chart-head { font-size: 8.5px; margin-bottom: 1px; }
  .chart-head span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .chart-val { font-size: 8.5px; flex-shrink: 0; }

  /* 顶部右侧：选中器官徽标 + 灌注图例（给左上角图表让位，预留 ≥6px 间隙） */
  .view-badge { top: 6px; right: 6px; left: auto; max-width: 120px; font-size: 10px; padding: 3px 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .perfusion-legend { top: 38px; right: 6px; left: auto; bottom: auto; max-width: 132px; font-size: 8.5px; padding: 4px 7px; gap: 4px; }

  /* 操作提示移到底部左侧，避开右下角选择簇 */
  .view-hint { left: 6px; right: auto; transform: none; bottom: 6px; max-width: 46%; white-space: normal; line-height: 1.45; text-align: left; font-size: 9.5px; padding: 3px 9px; }

  /* 三个选择入口 → 底部右下角：病理条在上，两枚抽屉圆钮并排在下 */
  .pathology-bar { top: auto; bottom: 60px; right: 8px; gap: 5px; }
  .path-btn { padding: 6px 10px; font-size: 10.5px; }
  .drawer-toggle {
    display: flex; align-items: center; justify-content: center;
    position: fixed; top: auto; bottom: calc(var(--footer-h) + 8px); right: 8px;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--panel); border: 1px solid var(--border);
    box-shadow: var(--shadow); z-index: 58; font-size: 16px;
    color: var(--accent); transition: background .2s, color .2s, transform .15s;
    -webkit-tap-highlight-color: transparent;
  }
  .drawer-toggle:active { transform: scale(.94); }
  .drawer-toggle.drawer-left  { left: auto; right: 60px; }   /* 8 + 44 + 8：与右钮并排 */
  .drawer-toggle.drawer-right { right: 8px; }
  .drawer-toggle.active { background: var(--accent); color: #fff; border-color: var(--accent); }

  /* 底部控制栏：时间控制横排且独占一行；干预条独立一行；日志固定一屏高 */
  .time-controls { flex-direction: row; align-items: center; justify-content: flex-start; gap: 8px; flex-basis: 100%; }
  .interventions { flex-basis: 100%; max-width: 100%; }
  .log-wrap { flex-basis: 100%; height: 58px; }
  .bottombar { flex-wrap: wrap; overflow-y: auto; }
  /* 窄屏优先保证一行放得下：快进按钮只留图标，标签隐藏 */
  @media (max-width: 620px) {
    .skip-btn { min-width: 34px; padding: 0 5px; }
    .skip-btn .skip-lbl { display: none; }
  }

  /* 抽屉遮罩 */
  .drawer-backdrop {
    display: block; position: fixed;
    top: var(--header-h); bottom: var(--footer-h); left: 0; right: 0;
    background: rgba(8, 18, 28, .45); z-index: 55;
    opacity: 0; pointer-events: none; transition: opacity .25s;
    -webkit-tap-highlight-color: transparent;
  }
  .drawer-backdrop.show { opacity: 1; pointer-events: auto; }
}

@media (max-width: 620px) {
  :root { --footer-h: 178px; }
  body { font-size: 12px; }
  .topbar { gap: 8px; padding: 0 8px; }
  .brand-name { font-size: 15px; }
  .vital { min-width: 68px; padding: 4px 7px; }
  .vital-value { font-size: 14px; }
  .layout { padding: 6px; gap: 6px; }
  .modal-body { padding: 12px; }

  /* 加载界面：窄屏下收紧留白，心电图动画保持可见 */
  .boot-card { padding: 22px 20px; max-width: 280px; }
  .boot-logo { font-size: 23px; }
  .boot-ecg { height: 38px; margin: 16px 0 2px; }
  .boot-bar { width: 150px; }

  /* 设置弹窗：窄屏贴边展开，避免 86vh 高度下内容被裁切 */
  .modal { padding: 12px; align-items: flex-end; }
  .modal-card { max-height: 80vh; }
  .modal-card.narrow { max-width: 100%; }
  .settings-value { font-size: 15px; }

  /* 迷你图表再收一档：更窄卡片 + 更矮浮层条，把空间让给人体 */
  .chart-grid { height: 60px; width: min(280px, calc(100% - 142px)); }
  .chart-card, .chart-card.wide { flex: 0 0 124px; min-width: 124px; height: 56px; }
  .view-badge { max-width: 118px; }
  .perfusion-legend { max-width: 118px; }

  /* 干预条：单行横向滑动，省下的高度还给人体视图与日志 */
  .interventions { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
  .interventions::-webkit-scrollbar { display: none; }
  .int-btn { min-width: 56px; flex-shrink: 0; }

  /* 右下角选择簇贴角微调（6px 边距，圆钮仍保持 44px 触摸目标） */
  .pathology-bar { bottom: 58px; right: 6px; }
  .path-btn { padding: 6px 9px; font-size: 10px; }
  .drawer-toggle { bottom: calc(var(--footer-h) + 6px); right: 6px; }
  .drawer-toggle.drawer-left { right: 56px; }   /* 6 + 44 + 6：与右钮并排 */
}

/* ---- 触摸设备通用优化 ---- */
@media (hover: none) and (pointer: coarse) {
  /* 触摸端不依赖 hover，确保可点击元素有足够大的命中区 */
  .organ-node { min-height: 40px; }
  .tab { padding: 12px 4px; }
  .radio-pill { padding: 9px 14px; }
  .path-btn { padding: 9px 13px; }
  .int-btn { min-height: 42px; }
  .drug-row { padding: 11px 10px; }
  .icon-btn { width: 40px; height: 40px; }
  /* 设置钮仍小一档，但保持 ≥32px 触摸目标（顶栏空间紧张，不能 44px） */
  .icon-btn.icon-btn-sm { width: 32px; height: 32px; font-size: 14px; }
  /* 消除 300ms 点击延迟与高亮闪烁 */
  button, .organ-node, .drug-row, .radio-pill, .path-btn { touch-action: manipulation; }
  * { -webkit-tap-highlight-color: rgba(15,139,141,.18); }
}

/* ============================================================================
 * 补充样式 — 由 ui.js / threeView.js / charts.js 动态生成的 DOM 结构
 * ========================================================================== */

/* ---------- 器官树分组标题 ---------- */
.tree-group { margin-bottom: 6px; }
.tg-title {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-3); padding: 6px 8px 3px; position: sticky; top: 0;
  background: var(--panel); z-index: 2;
}

/* ---------- 危重脉动（缺血器官列表提示） ---------- */
@keyframes critPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(214,69,69,0); }
  50%      { box-shadow: 0 0 0 3px rgba(214,69,69,.22); }
}
.organ-node.crit-pulse { animation: critPulse 1.4s ease-in-out infinite; }
.organ-node.crit-pulse .on-score { background: var(--danger-soft); color: var(--danger); }

/* ---------- 系统卡片 ---------- */
.sys-card {
  background: var(--bg-3); border: 1px solid var(--border-2);
  border-radius: var(--radius-sm); padding: 8px 9px; cursor: pointer;
  transition: border-color .18s, background .18s;
}
.sys-card:hover { border-color: var(--accent); background: var(--panel); }
.sys-card .sc-head {
  display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600;
  margin-bottom: 5px;
}
.sys-card .sc-head i { color: var(--accent); width: 15px; text-align: center; }
.sys-card .sc-head span:first-of-type { flex: 1; }
.sys-card .sc-score {
  font-size: 10px; font-weight: 600; padding: 1px 6px; border-radius: 9px;
  background: var(--border-2); color: var(--text-2); white-space: nowrap;
}
.sys-card .sc-score.s-good { background: #e3f6eb; color: var(--ok); }
.sys-card .sc-score.s-warn { background: #fdf1e0; color: var(--warn); }
.sys-card .sc-score.s-bad  { background: var(--danger-soft); color: var(--danger); }

/* ---------- 给药弹窗：不良反应标签 ---------- */
.ae-list { display: flex; flex-wrap: wrap; gap: 4px; }
.ae-tag {
  font-size: 10px; padding: 2px 7px; border-radius: 10px;
  background: #fdf1e0; color: #9a6212; border: 1px solid #f0dcb8;
}
.ae-tag.ci { background: var(--danger-soft); color: var(--crit); border-color: #f3cccc; }
@media (prefers-color-scheme: dark) {
  .ae-tag { background: #3a2f14; color: #e0b464; border-color: #4d3f1c; }
  .ae-tag.ci { background: #3a1d1d; color: #e88; border-color: #55282a; }
  .sys-card .sc-score.s-good { background: #12331f; }
  .sys-card .sc-score.s-warn { background: #3a2f14; }
}

/* ---------- 复选框行 ---------- */
.chk {
  display: flex; align-items: center; gap: 8px; padding: 8px 4px;
  font-size: 12.5px; cursor: pointer;
}
.chk input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }

/* ---------- 相互作用说明 ---------- */
.int-desc {
  font-size: 10.5px; color: var(--text-2); line-height: 1.5;
  padding: 2px 9px 7px 9px; background: var(--bg-3); border-radius: 0 0 5px 5px;
  margin-top: -1px;
}

/* ---------- PK 中毒标记 ---------- */
.pk-tox {
  font-size: 9.5px; font-weight: 700; color: var(--crit);
  background: var(--danger-soft); padding: 1px 5px; border-radius: 3px; margin-left: 5px;
}

/* ---------- 教学提示条目 ---------- */
.teach-item { display: flex; flex-direction: column; gap: 3px; margin-bottom: 12px; }
.tt-row {
  display: flex; gap: 10px; padding: 4px 8px; border-radius: 5px;
  background: var(--bg-3); font-size: 12px;
}
.tt-row:nth-child(odd) { background: transparent; }
.tt-k { flex: 0 0 84px; color: var(--text-3); }
.tt-v { flex: 1; font-weight: 600; color: var(--text); }
.tt-v.v-warn { color: var(--warn); }
.tt-v.v-bad  { color: var(--danger); }
.teach-body { font-size: 12.5px; line-height: 1.7; color: var(--text-2); }
.teach-body h4 { font-size: 12px; color: var(--text); margin: 10px 0 4px; }
.teach-body ul { padding-left: 18px; }
.teach-body li { margin: 2px 0; }
.teach-body p { margin: 6px 0; }

/* ---------- 提示文本 ---------- */
.hint-text {
  font-size: 11px; color: var(--text-3); line-height: 1.6;
  padding: 6px 2px; border-left: 2px solid var(--accent);
  padding-left: 8px; margin: 6px 0;
}

/* ---------- 病理弹窗：滑块与卡片扩展 ---------- */
.path-slider {
  width: 100%; margin-top: 7px; accent-color: var(--danger); height: 4px;
}
.path-card .pc-top {
  display: flex; justify-content: space-between; align-items: center; gap: 6px;
}
.path-card .pc-val {
  font-family: var(--mono); font-size: 11px; font-weight: 700; color: var(--text-3);
}
.path-card.active .pc-val { color: var(--danger); }
.path-card.active { border-color: var(--danger); background: var(--danger-soft); }

/* ---------- 剂量弹窗信息网格 ---------- */
.dose-info-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 5px; margin: 8px 0;
}
.dose-info {
  display: flex; flex-direction: column; gap: 1px;
  background: var(--bg-3); border-radius: 5px; padding: 6px 8px;
}
.dose-info .di-k { font-size: 9.5px; color: var(--text-3); }
.dose-info .di-v { font-family: var(--mono); font-size: 11.5px; font-weight: 700; color: var(--text); }

/* ---------- 药物列表：说明块 ---------- */
.drug-desc {
  font-size: 12px; line-height: 1.65; color: var(--text-2);
  background: var(--bg-3); border-radius: var(--radius-sm); padding: 9px 11px; margin-bottom: 10px;
}
.drug-desc b { color: var(--text); }
.drug-desc .en { font-family: var(--mono); font-size: 10.5px; color: var(--text-3); }

/* ---------- 滑块通用美化 ---------- */
input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 5px;
  background: var(--border); border-radius: 3px; outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 15px; height: 15px;
  border-radius: 50%; background: var(--accent); border: 2px solid var(--panel);
  box-shadow: 0 1px 3px rgba(0,0,0,.22); cursor: grab;
}
input[type="range"]::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%; background: var(--accent);
  border: 2px solid var(--panel); cursor: grab;
}
input[type="range"]::-moz-range-track { height: 5px; background: var(--border); border-radius: 3px; }

/* ---------- 生命体征越界闪烁 ---------- */
@keyframes vitalBlink {
  0%, 100% { background: var(--danger-soft); }
  50%      { background: transparent; }
}
.vital.is-bad { animation: vitalBlink 1s ease-in-out infinite; border-radius: 5px; }
.vital.is-bad .vital-value { color: var(--danger); }
.vital.is-warn .vital-value { color: var(--warn); }
.vital.is-ok .vital-value { color: var(--text); }

/* ---------- SVG 降级人体 ---------- */
.svg-fallback { width: 100%; height: 100%; display: block; }
.svg-organ { transition: fill .35s ease, fill-opacity .35s ease; }
.svg-organ:hover { filter: brightness(1.12); }

/* ---------- 3D 画布 ---------- */
#threeCanvas { display: block; width: 100%; height: 100%; cursor: grab; }
#threeCanvas:active { cursor: grabbing; }

/* ============================================================================
 * 死亡 / 脑死亡遮罩
 * 由引擎的 physio.dead / physio.brainDeath 驱动（见 ui.js checkDeath）。
 * 设计要点：必须"盖住但可读"——抢救失败的瞬间，用户需要立刻知道结果，
 * 同时仍能看到最后时刻的生命体征。故用半透明 + 强红色描边，不做全遮挡。
 * ========================================================================== */
.death-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 8, 10, 0.72);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: deathFade 0.45s ease both;
}
.death-overlay.hidden { display: none; }

@keyframes deathFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.death-card {
  width: min(92vw, 420px);
  padding: 28px 30px 22px;
  border-radius: 16px;
  background: linear-gradient(180deg, #1c1114 0%, #140c0f 100%);
  border: 1px solid rgba(255, 92, 92, 0.35);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 92, 92, 0.12) inset;
  text-align: center;
  color: #f2e8ea;
}
.death-card .death-icon {
  font-size: 34px;
  color: #ff5c5c;
  margin-bottom: 10px;
  animation: deathPulse 2s ease-in-out infinite;
}
@keyframes deathPulse {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.94); }
}
.death-card h2 {
  margin: 0 0 8px;
  font-size: 21px;
  letter-spacing: 1px;
  color: #ff6b6b;
}
.death-card p {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #c9b8bc;
}
.death-meta {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}
.death-meta > div {
  flex: 1;
  padding: 9px 8px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.death-meta span {
  display: block;
  font-size: 10.5px;
  color: #8d7d81;
  margin-bottom: 3px;
}
.death-meta b {
  font-size: 14px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: #f0dfe2;
}
.death-actions .btn { width: 100%; justify-content: center; }