/* 未来心理体验中心 五端静态页面设计系统 v1.0 */
:root{
  --ink:#1B2733; --muted:#66788C; --line:#E2E9F1; --bg:#F3F6FA; --panel:#FFFFFF;
  --primary:#1F4E79; --primary-2:#2E6DA4; --accent:#0E8F8A;
  --good:#2FBF71; --mid:#E9A23B; --bad:#E8632C; --none:#9AA7B4;
  --danger:#D64545; --warn-bg:#FFF6E0; --warn-line:#E8C37A;
  --radius:10px; --shadow:0 1px 2px rgba(16,35,55,.05),0 10px 28px rgba(16,35,55,.07);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary)}
h1,h2,h3{margin:0}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 应用外壳（教师/采集/管理/学生） ---------- */
.app{display:grid;grid-template-columns:212px 1fr;min-height:100vh}
.side{background:#0D1F33;color:#CFE0F0;padding:16px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px}
.side .logo{padding:6px 10px 14px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:10px}
.side .logo b{display:block;font-size:15px;color:#fff;letter-spacing:.5px}
.side .logo span{font-size:11px;color:#8FA9C2}
.side a{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;color:#AFC4D8;text-decoration:none;font-size:13.5px;cursor:pointer}
.side a:hover{background:rgba(255,255,255,.06);color:#fff}
.side a.on{background:var(--primary);color:#fff;font-weight:600}
.side a .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5}
.side .foot{margin-top:auto;font-size:11px;color:#7E97AF;padding:10px 12px;border-top:1px solid rgba(255,255,255,.08)}
.main{padding:18px 24px 96px;min-width:0}
.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}
.topbar h1{font-size:19px;font-weight:700}
.topbar .sub{color:var(--muted);font-size:12.5px;margin-top:2px}
.crumb{font-size:12px;color:var(--muted)}
.userchip{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12.5px}
.userchip .av{width:22px;height:22px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:11px;font-weight:700}

/* ---------- 通用组件 ---------- */
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
.g-21{grid-template-columns:2fr 1fr} .g-12{grid-template-columns:1fr 2fr}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card-h{padding:11px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px}
.card-h b{font-size:13.5px}
.card-h .hint{font-size:12px;color:var(--muted)}
.card-b{padding:14px 16px}
.kpi{display:flex;flex-direction:column;gap:2px;padding:14px 16px}
.kpi .lb{font-size:12px;color:var(--muted)}
.kpi .vl{font-size:26px;font-weight:700;letter-spacing:.5px}
.kpi .vl small{font-size:12px;color:var(--muted);font-weight:500;margin-left:4px}
.kpi .ft{font-size:11.5px;color:var(--muted)}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{background:#EDF2F8;color:#41566C;font-weight:600;text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:9px 12px;border-bottom:1px solid #EEF2F7;vertical-align:top}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:#F7FAFD}
.mut{color:var(--muted)} .sm{font-size:12px} .xs{font-size:11px}
.badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:2px 9px;font-size:11.5px;font-weight:600;line-height:1.6;white-space:nowrap}
.badge .d{width:6px;height:6px;border-radius:50%;background:currentColor}
.b-good{background:#E6F7EE;color:#1D8A50} .b-mid{background:#FCF3E1;color:#A9741B}
.b-bad{background:#FDEDE4;color:#BC4A17} .b-none{background:#EEF1F4;color:#6C7A88}
.b-info{background:#E8F0F9;color:#1F4E79} .b-demo{background:#EFEAF8;color:#6B4FA8}
.b-warn{background:var(--warn-bg);color:#8A6116;border:1px solid var(--warn-line)}
.b-danger{background:#FBEAEA;color:#B03030}
.btn{display:inline-flex;align-items:center;gap:6px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:7px 14px;font-size:13px;cursor:pointer;font-family:inherit}
.btn:hover{border-color:#C6D3E0;background:#F8FAFC}
.btn.pri{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.pri:hover{background:#1A4267}
.btn.danger{background:#fff;border-color:#E4B6B6;color:var(--danger)}
.btn.sm{padding:4px 10px;font-size:12px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.bar{height:8px;border-radius:99px;background:#E8EDF3;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--accent)}
.bar.g i{background:var(--good)} .bar.m i{background:var(--mid)} .bar.b i{background:var(--bad)}
.form-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.form-row label{width:96px;color:var(--muted);font-size:13px;flex:none}
.input,select.input{border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:13px;font-family:inherit;background:#fff;color:var(--ink);min-width:0}
.alert{border-radius:8px;padding:10px 14px;font-size:13px;border:1px solid}
.alert.warn{background:var(--warn-bg);border-color:var(--warn-line);color:#7A5711}
.alert.info{background:#EAF2FA;border-color:#BBD2E8;color:#1F4E79}
.alert.danger{background:#FBEAEA;border-color:#E7B9B9;color:#A33}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px}
.tabs button{border:none;background:none;padding:8px 14px;font-size:13.5px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;font-family:inherit}
.tabs button.on{color:var(--primary);font-weight:700;border-bottom-color:var(--primary)}

/* 视图切换 */
[data-view]{display:none}
[data-view].on{display:block}

/* 原型控制条 */
.proto{position:fixed;left:50%;transform:translateX(-50%);bottom:14px;background:rgba(13,24,38,.94);color:#DCE7F2;border-radius:999px;padding:7px 10px 7px 16px;display:flex;align-items:center;gap:8px;z-index:80;box-shadow:0 12px 32px rgba(6,16,28,.35);backdrop-filter:blur(6px);max-width:94vw;flex-wrap:wrap;justify-content:center}
.proto .tag{font-size:11px;color:#7FA0BE;letter-spacing:1px}
.proto button{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#DCE7F2;border-radius:999px;padding:5px 12px;font-size:12px;cursor:pointer;font-family:inherit}
.proto button.on{background:#35C4C8;border-color:#35C4C8;color:#06222A;font-weight:700}

/* ---------- 大屏端（深色） ---------- */
.bs{background:radial-gradient(1200px 700px at 70% -10%,#0D2A4A 0%,#06101F 55%,#040B16 100%);color:#D7E6F5;min-height:100vh;font-size:14px;overflow:hidden}
.bs .mono{font-family:var(--mono)}
.bs-top{display:flex;align-items:center;gap:18px;padding:14px 26px 10px;border-bottom:1px solid rgba(120,180,255,.14)}
.bs-top .ttl{font-size:20px;font-weight:800;letter-spacing:2px;color:#EAF4FF}
.bs-top .ttl small{display:block;font-size:10px;letter-spacing:4px;color:#5E87AC;font-weight:500}
.bs-metrics{display:flex;gap:26px;margin-left:auto}
.bs-metrics .m{text-align:right}
.bs-metrics .m .v{font-size:24px;font-weight:800;color:#7FE3DC;font-family:var(--mono)}
.bs-metrics .m .v.w{color:#FFC46B}
.bs-metrics .m .l{font-size:10.5px;letter-spacing:2px;color:#6E93B4}
.bs-mode{display:flex;align-items:center;gap:8px;font-size:12px;color:#7FE3DC;border:1px solid rgba(127,227,220,.35);border-radius:999px;padding:5px 14px}
.bs-main{display:grid;grid-template-columns:1.25fr 1fr;gap:16px;padding:14px 26px 8px;height:calc(100vh - 250px);min-height:430px}
.bs-visual{position:relative;border:1px solid rgba(120,180,255,.16);border-radius:14px;overflow:hidden;background:#050D1A}
.bs-visual canvas{position:absolute;inset:0;width:100%;height:100%}
.bs-visual .cap{position:absolute;left:16px;top:14px;font-size:11px;letter-spacing:3px;color:#5E87AC}
.bs-visual .fps{position:absolute;right:14px;top:12px;font-size:11px;color:#5E87AC;font-family:var(--mono)}
.bs-visual .legend{position:absolute;left:16px;bottom:12px;display:flex;gap:14px;font-size:11px;color:#8FB3CE}
.bs-visual .legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}
.bs-cards{display:grid;grid-template-columns:repeat(5,1fr);grid-auto-rows:1fr;gap:8px;overflow:hidden}
.bsc{border:1px solid rgba(120,180,255,.16);border-radius:10px;background:rgba(10,26,46,.55);padding:8px 9px;display:flex;flex-direction:column;gap:4px;position:relative;cursor:pointer;transition:border-color .2s}
.bsc:hover{border-color:rgba(127,227,220,.6)}
.bsc .id{font-size:11px;color:#8FB3CE;display:flex;justify-content:space-between;align-items:center}
.bsc .id .t{font-size:9px;border-radius:4px;padding:0 4px;letter-spacing:1px}
.bsc .id .t.real{background:rgba(127,227,220,.16);color:#7FE3DC}
.bsc .id .t.demo{background:rgba(150,150,180,.16);color:#9AA7C0}
.bsc .v{font-size:19px;font-weight:800;font-family:var(--mono);color:#EAF4FF}
.bsc .v small{font-size:9px;color:#6E93B4;font-weight:400;margin-left:2px}
.bsc .st{font-size:10px;display:flex;align-items:center;gap:5px;color:#8FB3CE}
.bsc .st i{width:7px;height:7px;border-radius:50%}
.bsc.s-good .st i{background:#35E0A1;box-shadow:0 0 8px #35E0A1}
.bsc.s-mid .st i{background:#FFC46B;box-shadow:0 0 8px #FFC46B}
.bsc.s-bad .st i{background:#FF7A5C;box-shadow:0 0 8px #FF7A5C}
.bsc.s-none{opacity:.45}
.bsc.s-none .st i{background:#67788C}
.bs-bottom{display:grid;grid-template-columns:2fr 1fr;gap:16px;padding:8px 26px 18px}
.bs-panel{border:1px solid rgba(120,180,255,.16);border-radius:14px;background:rgba(8,20,36,.6);padding:10px 14px}
.bs-panel .ph{display:flex;justify-content:space-between;font-size:11px;letter-spacing:2px;color:#6E93B4;margin-bottom:4px}
.bs-panel svg{width:100%;height:96px;display:block}
.bs-links{display:flex;flex-direction:column;gap:7px;padding-top:4px}
.bs-links .ln{display:flex;align-items:center;gap:8px;font-size:11.5px;color:#8FB3CE}
.bs-links .ln .wire{flex:1;height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(127,227,220,.9),rgba(127,227,220,.15));position:relative;overflow:hidden}
.bs-links .ln .wire::after{content:"";position:absolute;width:26px;height:100%;background:#7FE3DC;filter:blur(1px);animation:run 2.2s linear infinite}
.bs-links .ln.off .wire{background:rgba(120,140,160,.3)}
.bs-links .ln.off .wire::after{display:none}
@keyframes run{from{left:-30px}to{left:100%}}
.bs.fallback .bs-cards,.bs.fallback .bs-bottom{filter:grayscale(.9) brightness(.6)}
.bs-banner{display:none;margin:0 26px;border:1px solid rgba(255,196,107,.5);background:rgba(255,196,107,.12);color:#FFD9A0;border-radius:10px;padding:8px 16px;font-size:13px}
.bs.fallback .bs-banner,.bs.tour .bs-banner.demo{display:block}
.bs-overlay{position:fixed;inset:0;background:rgba(3,8,15,.72);display:none;place-items:center;z-index:50;backdrop-filter:blur(3px)}
.bs-overlay.on{display:grid}
.bs-ovl-card{width:720px;max-width:92vw;background:#0A1A2E;border:1px solid rgba(127,227,220,.35);border-radius:16px;padding:20px 24px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.bs-ovl-card h3{color:#EAF4FF;font-size:17px;margin-bottom:2px}
.bs-ovl-card .x{float:right;cursor:pointer;color:#6E93B4;font-size:18px;line-height:1}

/* ---------- 学生端训练沉浸屏 ---------- */
.st-train{background:radial-gradient(900px 600px at 50% 0%,#123252 0%,#081527 60%,#050D1A 100%);color:#DCE9F6;border-radius:14px;padding:22px 26px;min-height:520px;position:relative;overflow:hidden}
.st-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.st-head .who{font-size:13px;color:#8FB3CE}
.st-stage{display:grid;grid-template-columns:1fr 320px;gap:22px}
.st-visual{border:1px solid rgba(120,180,255,.16);border-radius:14px;min-height:360px;position:relative;background:rgba(5,13,26,.5);display:grid;place-items:center}
.flower{width:230px;height:230px;position:relative}
.flower i{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(127,227,220,.5);animation:breath 8s ease-in-out infinite}
.flower i:nth-child(2){inset:26px;border-color:rgba(127,227,220,.4);animation-delay:.3s}
.flower i:nth-child(3){inset:52px;border-color:rgba(127,227,220,.3);animation-delay:.6s}
.flower i:nth-child(4){inset:78px;background:radial-gradient(circle,rgba(127,227,220,.35),transparent 70%);animation-delay:.9s}
.flower b{position:absolute;inset:0;display:grid;place-items:center;font-size:15px;color:#BFF5EF;letter-spacing:3px}
@keyframes breath{0%,100%{transform:scale(.86)}50%{transform:scale(1.06)}}
@media (prefers-reduced-motion:reduce){.flower i,.bs-links .ln .wire::after{animation:none}}
.st-side{display:flex;flex-direction:column;gap:10px}
.st-metric{border:1px solid rgba(120,180,255,.16);border-radius:12px;background:rgba(10,26,46,.55);padding:10px 14px}
.st-metric .l{font-size:11px;color:#6E93B4;letter-spacing:2px}
.st-metric .v{font-size:26px;font-weight:800;font-family:var(--mono);color:#7FE3DC}
.st-bar{height:6px;border-radius:99px;background:rgba(255,255,255,.08);margin-top:6px;overflow:hidden}
.st-bar i{display:block;height:100%;background:linear-gradient(90deg,#35C4C8,#7FE3DC)}
.st-actions{display:flex;gap:10px;margin-top:14px}
.btn.dark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#EAF4FF}
.btn.dark:hover{background:rgba(255,255,255,.14)}
.btn.dark.pri{background:#128F88;border-color:#128F88;color:#fff}

/* 席位/卡片小件 */
.seat{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:12px 14px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow)}
.seat .sh{display:flex;justify-content:space-between;align-items:center}
.seat .sh b{font-size:14px}
.seat .kv{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.seat .kv b{color:var(--ink);font-family:var(--mono)}

/* 窄屏自适应：操作端卡片降列，避免挤压 */
@media (max-width:1180px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .g-21,.g-12{grid-template-columns:1fr}
  .seatgrid,.devgrid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .app{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center}
  .side .logo{border-bottom:none;margin-bottom:0;padding:6px 10px}
  .side .foot{display:none}
  .g4,.g3,.g2,.seatgrid,.devgrid{grid-template-columns:1fr}
  .bs-main,.st-stage{grid-template-columns:1fr;height:auto}
}