:root{
  --bg:#f4f6f9;
  --panel:#ffffff;
  --ink:#182230;
  --ink-2:#48586b;
  --ink-3:#8796a8;
  --line:#e2e8f0;
  --brand:#1565c0;
  --brand-2:#0d47a1;
  --brand-bg:#e8f1fb;
  --green:#12855a;
  --green-bg:#e6f6ef;
  --amber:#a86a00;
  --amber-bg:#fff5e0;
  --red:#c0392b;
  --red-bg:#fdecea;
  --radius:12px;
  --shadow:0 1px 3px rgba(18,34,48,.06),0 6px 20px rgba(18,34,48,.05);
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{margin:0;font-weight:650;}
p{margin:0;}
button{font-family:inherit;}

/* ============================== 顶栏 ============================== */
.app-bar{
  background:linear-gradient(120deg,#0d47a1 0%,#1565c0 50%,#1e88c7 100%);
  color:#fff;box-shadow:0 2px 12px rgba(13,71,161,.18);
}
.app-bar-inner{
  max-width:1280px;margin:0 auto;padding:14px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:14px;}
.logo{
  width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.32);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;
}
.brand-text h1{font-size:18px;letter-spacing:.4px;}
.brand-text p{margin:1px 0 0;font-size:12.5px;opacity:.85;}
.engine-badge{
  display:flex;align-items:center;gap:7px;font-size:12.5px;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);
  padding:6px 13px;border-radius:999px;
}
.engine-badge .dot{width:7px;height:7px;border-radius:50%;background:#7ee2a8;box-shadow:0 0 0 3px rgba(126,226,168,.25);}
.engine-badge.degraded{border-color:rgba(255,214,140,.6);background:rgba(255,196,80,.18);}
.engine-badge.degraded .dot{background:#ffc857;box-shadow:0 0 0 3px rgba(255,200,87,.28);}

/* 顶栏用户区：姓名 + 当次额度 + 退出 */
.user-chip{display:flex;align-items:center;gap:12px;font-size:12.5px;}
/* display:flex 会覆盖 hidden 属性的 UA 样式，需显式关掉 */
.user-chip[hidden]{display:none;}
.user-meta{display:flex;flex-direction:column;line-height:1.35;text-align:right;}
.user-meta b{font-size:13px;font-weight:600;}
.user-meta span{opacity:.8;font-size:11.5px;}
.user-chip .btn.text{color:rgba(255,255,255,.85);padding:4px 8px;border-radius:6px;}
.user-chip .btn.text:hover{color:#fff;background:rgba(255,255,255,.14);}
.btn.small{font-size:12px;padding:4px 10px;}

/* ============================== 登录 ============================== */
.login-wrap{
  min-height:calc(100vh - 190px);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:18px;padding:20px;
}
.login-card{
  width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow);padding:38px 36px 30px;text-align:center;
}
.login-logo{
  width:56px;height:56px;margin:0 auto 16px;border-radius:15px;
  background:linear-gradient(120deg,#0d47a1,#1e88c7);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;
  box-shadow:0 6px 18px rgba(21,101,192,.28);
}
.login-card h2{font-size:20px;letter-spacing:.3px;}
.login-card .muted{font-size:12.5px;margin-top:6px;line-height:1.6;}
.login-form{margin-top:26px;text-align:left;}
.login-form label{
  display:block;font-size:12.5px;color:var(--ink-2);font-weight:600;margin-bottom:7px;
}
.login-form input{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;letter-spacing:1px;color:var(--ink);background:#fbfcfe;
  transition:border-color .15s,box-shadow .15s;
}
.login-form input:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(21,101,192,.12);
}
.login-form .btn{margin-top:16px;padding:12px;font-size:15px;border-radius:10px;}
.login-hint{margin-top:14px;font-size:12px;color:var(--ink-3);}
.login-hint.error{color:var(--red);}
.login-foot{font-size:12px;color:var(--ink-3);}

/* ============================== 布局 ============================== */
.container{max-width:1280px;margin:0 auto;padding:26px;}
.view{display:none;}
.view.active{display:block;animation:fade .25s ease;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.view-head{margin-bottom:18px;}
.view-head h2{font-size:21px;margin-bottom:6px;}
.muted{color:var(--ink-2);}
.tiny{font-size:12.5px;}
.view-head p{max-width:820px;font-size:14px;}

/* ============================== 步骤条 ============================== */
.hint-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 20px;margin-bottom:20px;box-shadow:var(--shadow);font-size:13.5px;
}
.hint-item{display:flex;align-items:center;gap:9px;color:var(--ink-2);}
.hint-item b{
  width:22px;height:22px;border-radius:50%;background:var(--brand-bg);color:var(--brand-2);
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.arrow{color:var(--ink-3);}

/* ============================== 病例卡片 ============================== */
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;}
.loading{padding:30px;color:var(--ink-3);}
/* 病例筛选栏：41 张卡平铺时靠肉眼找病例太慢 */
.case-filter{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap;}
.case-filter input{
  flex:1 1 260px;min-width:0;padding:9px 13px;font-family:inherit;font-size:14.5px;
  border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);outline:none;
}
.case-filter input:focus{border-color:#9dc4e8;box-shadow:0 0 0 3px rgba(21,101,192,.09);}
.case-filter select{
  padding:9px 11px;font-family:inherit;font-size:14px;border:1px solid var(--line);
  border-radius:9px;background:#fff;color:var(--ink);outline:none;cursor:pointer;
}
.case-filter .btn{padding:9px 16px;font-size:13.5px;flex-shrink:0;}
.case-count{font-size:12.5px;color:var(--ink-3);margin-bottom:12px;}
.case-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  position:relative;overflow:hidden;
}
.case-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);
  opacity:.85;
}
.case-card:hover{transform:translateY(-3px);box-shadow:0 8px 26px rgba(18,34,48,.11);border-color:#c7d8ea;}
.case-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:8px;}
.case-card h3{font-size:16.5px;line-height:1.45;}
/* 演示病例置顶 + 角标：避免在 41 张卡里找错病例 */
.case-card.featured{border-color:#c7d8ea;box-shadow:0 2px 10px rgba(21,101,192,.10);}
.case-card.featured::before{width:5px;background:linear-gradient(180deg,#1565c0,#1e88c7);}
.case-tags{display:flex;gap:6px;flex-shrink:0;}
.tag{
  padding:2px 9px;border-radius:6px;font-size:12px;font-weight:600;white-space:nowrap;
  background:var(--brand-bg);color:var(--brand-2);
}
.tag.amber{background:var(--amber-bg);color:var(--amber);}
.tag.green{background:var(--green-bg);color:var(--green);}
/* 高级原先和中级同为琥珀色，13 例高级与 15 例中级长得一样，标签失去区分作用 */
.tag.red{background:var(--red-bg);color:var(--red);}
.tag.featured{background:var(--brand);color:#fff;}
.case-dept{font-size:13px;color:var(--ink-2);margin-bottom:10px;}
.case-goal{
  font-size:13.5px;color:var(--ink-2);background:#f7f9fc;
  border-radius:9px;padding:10px 13px;margin-bottom:12px;min-height:56px;
}
.case-stats{display:flex;gap:16px;font-size:12.5px;color:var(--ink-3);flex-wrap:wrap;}
.case-stats b{color:var(--ink-2);}
.case-open{
  margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-2);font-style:italic;
}

/* ============================== 问诊布局 ============================== */
.consult-layout{display:grid;grid-template-columns:330px 1fr;gap:18px;align-items:start;}
.sidebar{display:flex;flex-direction:column;gap:14px;}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow);
}
.side-title{
  font-size:13px;font-weight:650;color:var(--ink-2);letter-spacing:.4px;
  display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;
}
.counter{font-size:12.5px;color:var(--brand);font-weight:600;}
.case-title{font-size:15.5px;font-weight:650;line-height:1.45;margin-bottom:6px;}
.case-meta{font-size:13px;color:var(--ink-2);}
.goal-box{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);}
.goal-label{
  display:inline-block;font-size:11.5px;color:var(--amber);background:var(--amber-bg);
  padding:1px 8px;border-radius:5px;margin-bottom:6px;font-weight:600;
}
.goal-box p{font-size:13px;color:var(--ink-2);}
.progress-track{height:7px;background:#eef1f6;border-radius:99px;overflow:hidden;margin-bottom:8px;}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,#1e88c7,#12855a);transition:width .35s ease;}
.clue-list{list-style:none;margin:10px 0 0;padding:0;max-height:230px;overflow-y:auto;}
.clue-list li{
  font-size:13px;padding:7px 10px;border-radius:8px;background:var(--green-bg);
  color:#0d6b47;margin-bottom:6px;display:flex;gap:8px;align-items:flex-start;
}
.clue-list li .cat{
  font-size:11px;background:#fff;color:var(--green);padding:1px 6px;
  border-radius:4px;white-space:nowrap;font-weight:600;
}
.clue-list li.empty{background:transparent;color:var(--ink-3);padding:6px 0;font-size:13px;display:block;}

/* 学生侧「问诊方法学助手」（检索通用方法学，不含本病例答案） */
.kb-search{display:flex;gap:6px;margin-top:8px;}
.kb-search input{
  flex:1;min-width:0;padding:7px 10px;border:1px solid var(--line);border-radius:8px;
  font-size:13px;color:var(--ink);background:#fbfcfe;
}
.kb-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(21,101,192,.10);}
.kb-search .btn{padding:7px 12px;font-size:13px;flex-shrink:0;}
.kb-list{list-style:none;margin:10px 0 0;padding:0;max-height:260px;overflow-y:auto;}
.kb-list li{
  font-size:12.5px;line-height:1.6;padding:8px 10px;border-radius:8px;
  background:#f7f9fc;border:1px solid var(--line);margin-bottom:7px;
}
.kb-list li b{display:block;font-size:12.5px;color:var(--brand-2);margin-bottom:3px;}
.kb-list li .kb-body{color:var(--ink-2);}
.kb-list li .kb-src{display:block;margin-top:5px;font-size:11px;color:var(--ink-3);}
.kb-list li.empty{background:transparent;border:none;color:var(--ink-3);padding:6px 0;}

/* 报告页的溯源清单 */
.source-list{display:flex;flex-wrap:wrap;gap:8px;}
.source-list .src-chip{
  display:flex;align-items:center;gap:7px;font-size:12.5px;
  background:var(--brand-bg);color:var(--brand-2);border:1px solid #d3e3f5;
  padding:5px 11px;border-radius:999px;
}
.source-list .src-chip b{font-weight:600;}
.source-list .src-turn{
  font-size:11px;background:#fff;color:var(--ink-2);padding:1px 6px;border-radius:5px;
}
.source-list .none{font-size:13px;color:var(--ink-3);}

/* 报告页的 Agent 决策轨迹 */
.trace-list{display:flex;flex-direction:column;gap:9px;}
.trace-item{
  border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:#fbfcfe;
}
.trace-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:12px;color:var(--ink-2);}
.trace-turn{
  background:var(--brand-bg);color:var(--brand-2);padding:1px 7px;border-radius:5px;font-weight:600;
}
.trace-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap;color:var(--ink-3);}
.trace-tools code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;
  background:#eef2f7;color:#33455c;padding:1px 6px;border-radius:4px;
}
.trace-ms{margin-left:auto;font-size:11.5px;color:var(--ink-3);}
.trace-plan{margin-top:6px;font-size:12.5px;color:var(--ink-2);line-height:1.6;}
.trace-none{font-size:13px;color:var(--ink-3);}

/* 按钮 */
.btn{
  border:1px solid transparent;border-radius:9px;padding:9px 16px;font-size:14px;
  cursor:pointer;transition:all .16s ease;font-weight:600;
}
.btn.block{display:block;width:100%;margin-bottom:8px;}
.btn.primary{background:var(--brand);color:#fff;}
.btn.primary:hover{background:var(--brand-2);}
.btn.primary.stop{background:var(--red);}
.btn.primary.stop:hover{background:#a83326;}
.btn.ghost{background:#f2f6fb;color:var(--brand-2);border-color:#d3e3f5;}
.btn.ghost:hover{background:#e6f1fc;}
.btn.danger-outline{background:#fff;color:var(--red);border-color:#f0cdc8;}
.btn.danger-outline:hover{background:var(--red-bg);}
.btn.text{background:transparent;color:var(--ink-3);}
.btn.text:hover{color:var(--ink-2);}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ============================== 对话面板 ============================== */
.chat-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  height:calc(100vh - 190px);height:calc(100dvh - 190px);min-height:560px;
}
.chat-head{
  display:flex;align-items:center;gap:12px;padding:14px 20px;
  border-bottom:1px solid var(--line);background:#fbfcfe;border-radius:var(--radius) var(--radius) 0 0;
}
.patient-avatar{
  width:40px;height:40px;border-radius:11px;background:var(--brand-bg);color:var(--brand-2);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}
.patient-name{font-size:15px;font-weight:650;}
.patient-sub{font-size:12.5px;color:var(--ink-3);}
.turn-counter{margin-left:auto;font-size:13px;color:var(--ink-2);}
.turn-counter b{color:var(--brand);}

.chat-body{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:20px;display:flex;flex-direction:column;gap:14px;background:#fafbfd;}
.msg{display:flex;gap:10px;max-width:82%;}
.msg.doctor{align-self:flex-end;flex-direction:row-reverse;}
.msg .bubble{
  padding:11px 15px;border-radius:12px;font-size:14.5px;line-height:1.7;
  background:#fff;border:1px solid var(--line);color:var(--ink);
}
.msg.patient .bubble{border-top-left-radius:4px;}
.msg.doctor .bubble{
  background:var(--brand);color:#fff;border-color:var(--brand);border-top-right-radius:4px;
}
.msg .who{
  width:32px;height:32px;border-radius:9px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;
}
.msg.patient .who{background:var(--brand-bg);color:var(--brand-2);}
.msg.doctor .who{background:#eef2f7;color:var(--ink-2);}
.msg .clue-tag{
  display:inline-block;margin-top:7px;font-size:11.5px;background:var(--green-bg);
  color:var(--green);padding:2px 8px;border-radius:5px;font-weight:600;
}
.msg.typing .bubble{color:var(--ink-3);font-style:italic;}
/* 流式输出中的光标：仅在该气泡尚未写完时显示 */
.msg.streaming .bubble .stream-text::after{
  content:'▍';margin-left:1px;color:var(--brand);animation:caret 1s steps(2,start) infinite;
}
@keyframes caret{0%,50%{opacity:1;}50.01%,100%{opacity:0;}}
.msg.hint{max-width:100%;}
.msg.hint .who{background:var(--amber-bg);color:var(--amber);}
.msg.hint .bubble{
  background:var(--amber-bg);border-color:#f0dfb8;color:#7d5400;
  border-radius:10px;font-size:13.5px;font-style:normal;
}

.chat-foot{
  border-top:1px solid var(--line);padding:14px 18px;display:flex;gap:11px;align-items:flex-end;
  background:#fff;border-radius:0 0 var(--radius) var(--radius);
}
#inputBox{
  flex:1;min-width:0;resize:none;border:1px solid var(--line);border-radius:10px;padding:11px 14px;
  font-family:inherit;font-size:14.5px;line-height:1.6;color:var(--ink);outline:none;
  /* 高度由脚本按内容自适应（见 app.js 的 autoGrowInput）：桌面默认两行，宽屏长句也不外扩 */
  min-height:68px;max-height:150px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
#inputBox:focus{border-color:#9dc4e8;box-shadow:0 0 0 3px rgba(21,101,192,.09);}
.btn.send{padding:12px 26px;border-radius:10px;}

/* 语音输入按钮：待机 / 录音中 / 不可用 三态 */
.btn.mic{
  width:46px;height:46px;border-radius:10px;padding:0;font-size:18px;line-height:1;
  background:#f2f6fb;color:var(--brand-2);border:1px solid #d3e3f5;flex-shrink:0;
}
.btn.mic:hover{background:#e6f1fc;}
.btn.mic.listening{
  background:var(--red);border-color:var(--red);color:#fff;
  animation:pulse 1.2s ease-in-out infinite;
}
.btn.mic.unavailable{opacity:.45;cursor:not-allowed;}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(192,57,43,.42);}
  50%{box-shadow:0 0 0 8px rgba(192,57,43,0);}
}
.tts-btn{margin-left:auto;font-size:12px;padding:4px 9px;border-radius:7px;color:var(--ink-3);}
.tts-btn.on{color:var(--brand-2);background:var(--brand-bg);}
/* 录音中的实时转写预览 */
#inputBox.interim{color:var(--ink-3);font-style:italic;}

.quick-row{
  display:flex;gap:8px;flex-wrap:wrap;padding:0 18px 14px;background:#fff;
  border-radius:0 0 var(--radius) var(--radius);
}
.quick-chip{
  font-size:12.5px;padding:5px 12px;border-radius:99px;border:1px solid var(--line);
  background:#f8fafc;color:var(--ink-2);cursor:pointer;transition:all .14s ease;
}
.quick-chip:hover{border-color:#9dc4e8;color:var(--brand);background:var(--brand-bg);}

/* ============================== 报告 ============================== */
.report-head{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 26px;box-shadow:var(--shadow);margin-bottom:16px;
}
.score-ring{position:relative;width:120px;height:120px;flex-shrink:0;}
.score-ring svg{transform:rotate(-90deg);width:120px;height:120px;}
.ring-bg{fill:none;stroke:#eef1f6;stroke-width:9;}
.ring-fg{
  fill:none;stroke:var(--brand);stroke-width:9;stroke-linecap:round;
  stroke-dasharray:327;stroke-dashoffset:327;transition:stroke-dashoffset .8s ease,stroke .4s ease;
}
.score-inner{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.score-num{font-size:30px;font-weight:700;line-height:1;color:var(--brand);}
.score-grade{font-size:12.5px;color:var(--ink-2);margin-top:3px;}
.report-head-text{flex:1;min-width:240px;}
.report-head-text h2{font-size:19px;margin-bottom:5px;}
.report-head-text .muted{font-size:13.5px;}
.metric-row{display:flex;gap:22px;margin-top:14px;flex-wrap:wrap;}
.metric{font-size:13px;color:var(--ink-2);}
.metric b{display:block;font-size:19px;color:var(--ink);font-weight:700;line-height:1.35;}
.report-actions{display:flex;gap:9px;flex-wrap:wrap;}

.report-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:16px;margin-bottom:16px;}
.report-col{display:flex;flex-direction:column;gap:16px;}
.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);margin-bottom:16px;
}
.report-col .panel{margin-bottom:0;}
.panel-title{font-size:14px;font-weight:650;margin-bottom:13px;color:var(--ink);}
.panel-title.danger{color:var(--red);}
.panel-title.good{color:var(--green);}
.panel-title.warn{color:var(--amber);}

.dim-list{display:flex;flex-direction:column;gap:14px;}
.dim-item .dim-top{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:6px;}
.dim-item .dim-top b{color:var(--ink-2);font-weight:600;}
.dim-track{height:8px;background:#eef1f6;border-radius:99px;overflow:hidden;margin-bottom:7px;}
.dim-fill{height:100%;border-radius:99px;transition:width .7s ease;}
.dim-points{display:flex;flex-wrap:wrap;gap:6px;}
.dim-point{
  font-size:12px;padding:2px 9px;border-radius:6px;border:1px solid var(--line);
  color:var(--ink-3);background:#fafbfd;
}
.dim-point.hit{background:var(--green-bg);color:var(--green);border-color:#c9ecdc;font-weight:600;}

.redflag-list,.plain-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.redflag-list li{
  font-size:13.5px;padding:10px 13px;border-radius:9px;background:var(--red-bg);
  color:#97362a;border-left:3px solid #e08379;line-height:1.6;
}
.redflag-list li.none{background:var(--green-bg);color:#0d6b47;border-left-color:#5fbf95;}
.plain-list li{font-size:13.5px;padding-left:20px;position:relative;line-height:1.65;color:var(--ink-2);}
.plain-list li::before{content:"·";position:absolute;left:6px;font-weight:700;}
.plain-list.good li::before{content:"✓";color:var(--green);font-size:12px;left:2px;}
.plain-list.warn li::before{content:"→";color:var(--amber);left:2px;}

.answer-key-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.ak-block{font-size:13.5px;color:var(--ink-2);}
.ak-block .ak-label{
  font-size:12px;font-weight:650;color:var(--brand-2);background:var(--brand-bg);
  padding:1px 8px;border-radius:5px;display:inline-block;margin-bottom:7px;
}
.ak-primary{font-size:16px;font-weight:650;color:var(--ink);margin-bottom:4px;}
.ak-clue{font-size:13.5px;color:var(--ink-2);background:#f7f9fc;padding:10px 13px;border-radius:9px;}
.ak-block ul{margin:6px 0 0;padding-left:19px;}
.ak-block li{margin:4px 0;}

.transcript-box{max-height:340px;overflow-y:auto;display:flex;flex-direction:column;gap:11px;}
.transcript-box .t-line{display:flex;gap:10px;font-size:13.5px;}
.transcript-box .t-role{
  width:42px;flex-shrink:0;font-size:12px;font-weight:650;color:var(--ink-3);padding-top:2px;
}
.transcript-box .t-text{color:var(--ink-2);line-height:1.65;}
.transcript-box .t-line.doctor .t-text{color:var(--brand-2);}

/* ============================== 其他 ============================== */
.app-foot{
  max-width:1280px;margin:0 auto;padding:22px 26px 40px;
  color:var(--ink-3);font-size:12.5px;text-align:center;
}
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);
  background:rgba(24,34,48,.94);color:#fff;padding:11px 22px;border-radius:10px;
  font-size:13.5px;opacity:0;pointer-events:none;transition:all .25s ease;z-index:99;
  max-width:80vw;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
/* 失败与成功要一眼能分开，否则用户分不清「降级了」和「网络断了」 */
.toast.error{background:rgba(176,58,46,.96);}
.toast.ok{background:rgba(18,133,90,.96);}

/* 窄屏：问诊区从两栏变单栏 */
@media(max-width:1000px){
  .consult-layout{grid-template-columns:minmax(0,1fr);}
  /* 单列时对话排在参考资料前面：参考可以往下翻，输入框不该被埋在一屏之外 */
  .chat-panel{order:1;height:calc(100vh - 120px);height:calc(100dvh - 120px);min-height:420px;}
  .sidebar{order:2;}
  .report-grid,.answer-key-grid{grid-template-columns:1fr;}
  /* 快捷问句改成一行横向滚动：平铺换行时会占掉对话区一半的高度 */
  .quick-row{
    flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .quick-row::-webkit-scrollbar{display:none;}
  .quick-chip{flex:0 0 auto;}

  /* 顶栏排成两行栅格（品牌 + 用户区 / 引擎状态）。
     靠自动换行堆叠时它会随内容涨到 128~154px，吃掉屏幕的 1/5。 */
  .app-bar-inner{
    display:grid;grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:"brand user" "badge badge";
    gap:6px 10px;padding:9px 12px;
  }
  .brand{grid-area:brand;gap:9px;min-width:0;}
  .brand-text{min-width:0;}
  .brand-text h1{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .brand-text p{display:none;}
  .logo{width:34px;height:34px;border-radius:9px;font-size:16px;}
  .engine-badge{grid-area:badge;justify-self:start;font-size:11.5px;padding:4px 10px;}
  .user-chip{grid-area:user;gap:8px;}
  .user-meta b{font-size:12.5px;}
  .user-meta span{font-size:11px;}
  /* 参考资料被排到对话下面，加一行小标题说明这块是什么 */
  .sidebar::before{content:'参考资料与操作';display:block;font-size:12px;color:var(--ink-3);}
}
/* 手机竖屏：病例网格原先最小列宽 340px，375px 屏扣掉左右内边距只剩 323px，会横向溢出 */
@media(max-width:680px){
  .container{padding:14px 12px;}
  .case-grid{grid-template-columns:minmax(0,1fr);}
  .case-card{padding:16px 18px;}
  .case-open{font-size:13px;}
  /* 三步说明里的箭头只是装饰，窄屏下白白占一行 */
  .hint-bar{padding:11px 14px;font-size:12.5px;gap:4px 12px;}
  .hint-bar .arrow{display:none;}
  .login-card{padding:28px 22px 24px;}

  /* 对话区：把头部和输入区的留白压薄，省下来的高度都给消息列表 */
  .chat-head{padding:10px 12px;gap:10px;}
  .patient-avatar{width:36px;height:36px;border-radius:10px;font-size:15px;}
  .patient-name{font-size:14.5px;}
  .patient-sub{font-size:11.5px;}
  .turn-counter{font-size:12px;white-space:nowrap;}
  .chat-body{padding:12px;gap:12px;}
  .msg{max-width:94%;}
  .chat-foot{
    padding:9px 10px;gap:8px;
    padding-bottom:calc(9px + env(safe-area-inset-bottom));
  }
  .btn.send{padding:11px 14px;}
  .btn.mic{width:44px;height:44px;}
  .quick-row{padding:8px 12px 10px;}
  .quick-chip{font-size:13px;padding:7px 13px;}

  .report-head{padding:18px;}
  .report-actions{width:100%;}
  .report-actions .btn{flex:1 1 auto;}
  .metric-row{gap:16px;}
  .transcript-box{max-height:none;}

  /* 输入框小于 16px 时 iOS Safari 聚焦会整页放大且不会缩回 */
  #inputBox,.kb-search input,.login-form input,.case-filter input{font-size:16px;}
  /* 手机上输入框默认一行高，随内容长到三行为止（配合 autoGrow） */
  #inputBox{min-height:46px;max-height:116px;padding:10px 12px;}
  .case-filter{flex-direction:column;align-items:stretch;}
  /* flex:1 1 260px 在纵向 flex 里是高度基准，会让搜索框被撑到 260px 高 */
  .case-filter input{flex:0 0 auto;width:100%;}
  .case-filter select,.case-filter .btn{width:100%;}
}

/* 横屏或小高度机型：屏幕纵向只有 400px 左右，头部和输入区也得跟着收 */
@media(max-height:600px) and (max-width:1000px){
  .chat-panel{height:calc(100vh - 100px);height:calc(100dvh - 100px);min-height:0;}
  .chat-body{padding:10px;gap:10px;}
  .chat-head{padding:6px 12px;}
  .patient-avatar{width:32px;height:32px;font-size:14px;}
  .patient-name{font-size:14px;}
  .patient-sub{display:none;}
  .chat-foot{padding:7px 10px;}
  #inputBox{min-height:44px;max-height:88px;padding:8px 12px;}
  .btn.mic{width:40px;height:40px;}
  .btn.send{padding:9px 14px;}
  .quick-row{padding:6px 12px 8px;}
}

/* ============================== 学习档案 ============================== */
.user-chip .btn.ghost{
  background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.32);
}
.user-chip .btn.ghost:hover{background:rgba(255,255,255,.24);}

.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px;
}
.stat-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow);
}
.stat-num{font-size:27px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:2px;}
.stat-sub{font-size:11.5px;color:var(--ink-3);margin-top:5px;}

/* ============================== AI 复盘教练 ============================== */
.coach-panel{border-color:#cfe0f3;background:linear-gradient(180deg,#fbfdff 0%,#fff 42%);}
.coach-lead{font-size:13px;color:var(--ink-2);margin-bottom:12px;}

.coach-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:4px;}
.coach-chip{
  font-size:12.5px;padding:5px 11px;border-radius:99px;cursor:pointer;
  background:var(--brand-bg);color:var(--brand-2);border:1px solid #d3e3f5;
  transition:background .15s ease,border-color .15s ease;
}
.coach-chip:hover{background:#dcebfb;border-color:#b9d5f2;}

.coach-log{
  display:flex;flex-direction:column;gap:12px;margin:14px 0 0;
  max-height:420px;overflow-y:auto;padding-right:4px;
}
.coach-log[hidden]{display:none;}
.coach-msg{display:flex;gap:10px;align-items:flex-start;}
.coach-who{
  flex:0 0 auto;font-size:11.5px;font-weight:600;color:var(--ink-3);
  padding-top:3px;width:60px;
}
.coach-msg.coach .coach-who{color:var(--brand);}
.coach-text{
  flex:1;min-width:0;font-size:13.5px;line-height:1.85;white-space:pre-wrap;
  background:#f7fafd;border:1px solid var(--line);border-radius:9px;padding:10px 13px;
}
.coach-msg.user .coach-text{
  background:var(--brand-bg);border-color:#d3e3f5;
}
.coach-text.streaming::after{
  content:'';display:inline-block;width:6px;height:14px;margin-left:2px;
  vertical-align:-2px;background:var(--brand);border-radius:1px;
  animation:coachBlink .9s steps(2,start) infinite;
}
@keyframes coachBlink{50%{opacity:0;}}
.coach-msg.error .coach-text{background:var(--red-bg);border-color:#f0c9c4;color:#97362a;}

.coach-input-row{display:flex;gap:9px;align-items:flex-end;margin-top:14px;}
#coachInput{
  flex:1;resize:none;border:1px solid var(--line);border-radius:10px;padding:10px 13px;
  font-family:inherit;font-size:14px;line-height:1.6;color:var(--ink);outline:none;
  min-height:44px;max-height:120px;transition:border-color .16s ease,box-shadow .16s ease;
}
#coachInput:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(21,101,192,.1);}
.coach-input-row .btn{flex:0 0 auto;min-width:76px;}

/* SVG 自带的 width/height 属性不接受 auto，缩放必须交给 CSS */
.chart-svg{display:block;width:100%;height:auto;overflow:visible;}

.chart-empty{
  padding:26px 10px;text-align:center;color:var(--ink-3);font-size:13px;
}

.empty-state{text-align:center;padding:46px 20px;}
.empty-icon{font-size:40px;margin-bottom:10px;}
.empty-title{font-size:16px;font-weight:650;margin-bottom:6px;}
.empty-desc{font-size:13.5px;color:var(--ink-2);max-width:460px;margin:0 auto 18px;}

.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

.bar-list{display:flex;flex-direction:column;gap:13px;}
.bar-row{display:grid;grid-template-columns:82px minmax(0,1fr) 118px;align-items:center;gap:12px;font-size:13px;}
.bar-name{color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.bar-track{height:9px;background:#eef1f6;border-radius:99px;overflow:hidden;}
.bar-fill{height:100%;border-radius:99px;min-width:3px;}
.bar-val{color:var(--ink-3);font-size:12.5px;text-align:right;}

.weak-list{display:flex;flex-direction:column;gap:9px;}
.weak-row{display:flex;align-items:center;gap:10px;font-size:13.5px;}
.weak-rank{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:#eef1f6;color:var(--ink-3);
  font-size:11.5px;display:flex;align-items:center;justify-content:center;font-weight:600;
}
.weak-rank.top{background:var(--amber-bg);color:var(--amber);}
.weak-label{flex:1;min-width:0;color:var(--ink);}
.weak-times{flex:0 0 auto;color:var(--red);font-size:12.5px;}

.advice-box{display:flex;flex-direction:column;gap:11px;}
.advice-item{
  font-size:13.5px;line-height:1.75;color:var(--ink-2);
  padding:11px 14px;background:#fafbfd;border-left:3px solid var(--brand);border-radius:0 8px 8px 0;
}
.advice-item b{color:var(--ink);font-weight:650;}

.hist-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.hist-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:640px;}
.hist-table th{
  text-align:left;font-size:12.5px;font-weight:600;color:var(--ink-3);
  padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.hist-table td{padding:10px;border-bottom:1px solid #f0f3f7;vertical-align:middle;}
.hist-row{cursor:pointer;transition:background .14s ease;}
.hist-row:hover{background:#f7fafd;}
.hist-row .btn.text{padding:2px 6px;font-size:12.5px;}
.hist-score{font-weight:700;font-size:15px;}
.hist-score.good{color:var(--green);}
.hist-score.ok{color:var(--brand);}
.hist-score.warn{color:var(--amber);}
.hist-score.bad{color:var(--red);}

/* 学习档案的响应式必须写在上面那些基础规则之后：媒体查询不提升优先级，
   同权重看源码顺序，放在前面会被 .stat-row / .profile-grid 的基础声明盖掉。 */
@media(max-width:1000px){
  .profile-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:680px){
  .stat-card{padding:13px 14px;}
  .stat-num{font-size:23px;}
  /* 左侧科室名 + 条形占满剩余宽度，右侧的数字注释在窄屏放不下就藏掉 */
  .bar-row{grid-template-columns:66px minmax(0,1fr);gap:9px;}
  .bar-val{display:none;}
  .hist-table{min-width:560px;}

  /* 复盘教练：输入框同样要 16px，否则 iOS 聚焦时整页放大 */
  #coachInput{font-size:16px;min-height:46px;}
  .coach-input-row{flex-direction:column;align-items:stretch;}
  .coach-input-row .btn{width:100%;}
  .coach-log{max-height:340px;}
  .coach-who{display:none;}
  .coach-text{padding:9px 11px;}
}
@media(max-width:440px){
  /* 390px 屏上两列也会把卡片压成窄条，干脆单列、每张卡横向排一行 */
  .stat-row{grid-template-columns:1fr;}
  .stat-card{display:flex;align-items:baseline;gap:10px;padding:11px 14px;}
  .stat-num{font-size:20px;flex:0 0 auto;}
  .stat-label{flex:1;}
  .stat-sub{margin-top:0;}
}

/* ------------------------------------------------ 学情看板（教师端）
   图表的响应式规则在文件末尾，跟学习档案那批放在一起统一维护。 */
.board-bar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:14px;flex-wrap:wrap;
}
.board-meta{font-size:13px;color:var(--ink-3);}
.board-actions{display:flex;gap:10px;flex-wrap:wrap;}

.panel-note{font-size:12px;font-weight:400;color:var(--ink-3);margin-left:8px;}

.att-list{display:grid;grid-template-columns:1fr 1fr;gap:11px;}
.att-card{
  border:1px solid var(--line);border-left:3px solid var(--red);border-radius:9px;
  padding:11px 13px;background:#fffaf9;cursor:pointer;transition:box-shadow .15s ease,transform .15s ease;
}
.att-card:hover{box-shadow:0 4px 14px rgba(20,40,80,.09);transform:translateY(-1px);}
.att-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:7px;}
.att-head b{font-size:14.5px;}
.att-reasons{display:flex;flex-direction:column;gap:5px;}
.att-reasons span{font-size:12.5px;color:var(--ink-2);line-height:1.6;}

.roster-search{margin:4px 0 12px;}
.roster-search input{
  width:100%;max-width:260px;padding:8px 12px;font-size:14px;
  border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);
}
.roster-search input:focus{outline:none;border-color:var(--brand);}

.board-table th.sortable{cursor:pointer;user-select:none;white-space:nowrap;}
.board-table th.sortable:hover{color:var(--brand);}
.board-table th.sortable.active{color:var(--brand);}
.board-row{cursor:pointer;}
.board-row:hover{background:#f7fafd;}
.case-row:hover{background:#f7fafd;}
.muted-cell{color:var(--ink-3);font-size:12.5px;}
.delta{display:inline-block;font-size:12.5px;font-weight:600;padding:1px 7px;border-radius:99px;}
.delta.up{background:var(--green-bg);color:var(--green);}
.delta.down{background:var(--red-bg);color:var(--red);}
.delta.flat{background:#eef1f6;color:var(--ink-3);}
.att-flag{color:var(--red);font-size:12.5px;}
.hist-table .none,.hist-table td.none{text-align:center;color:var(--ink-3);padding:24px 10px;}

/* 看板的响应式也得写在自己的基础规则之后，理由和学习档案那批一样：
   媒体查询不提升优先级，同权重只看源码顺序。 */
@media(max-width:1000px){
  .att-list{grid-template-columns:1fr;}
}
@media(max-width:680px){
  .board-bar{flex-direction:column;align-items:stretch;gap:10px;}
  .board-meta{font-size:12.5px;line-height:1.6;}
  .board-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .board-actions .btn{width:100%;}
  .roster-search input{max-width:none;}
  .hist-table{min-width:640px;}
  .case-table{min-width:620px;}
  .att-card{padding:10px 12px;}
}
@media(max-width:440px){
  .board-actions{grid-template-columns:1fr;}
  .hist-table{min-width:560px;}
}

@media print{
  .app-bar,.app-foot,.report-actions,.sidebar,.chat-panel,.toast{display:none !important;}
  body{background:#fff;}
  .panel,.report-head{box-shadow:none;border-color:#ddd;break-inside:avoid;}
}