:root{
  --bg:#f0f4f8;--surface:#fff;--sa:#f8fafc;--fg:#1e293b;--fgs:#475569;--mu:#94a3b8;
  --bd:#e2e8f0;--bd2:#cbd5e1;
  --pr:#2563eb;--pl:#dbeafe;--pd:#1d4ed8;
  --gd:#16a34a;--gl:#dcfce7;
  --wn:#f59e0b;--wl:#fef3c7;
  --dg:#ef4444;--dl:#fee2e2;
  --r:8px;--rl:12px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{width:100%;height:100%;background:var(--bg);}
body{font:15px/1.45 "PingFang SC","Microsoft YaHei",system-ui,sans-serif;display:flex;justify-content:center;align-items:flex-start;}
.screen{width:min(480px,100vw);min-height:100vh;background:var(--surface);display:flex;flex-direction:column;position:relative;overflow:hidden;}
/* header */
.sb{flex:0 0 auto;padding:14px 20px 8px;display:flex;justify-content:space-between;align-items:center;background:var(--surface);border-bottom:1px solid var(--bd);}
.sb h1{font-size:22px;font-weight:700;}
.sb .sub{font-size:11px;color:var(--pr);margin-bottom:2px;}
/* content area */
.ct{flex:1 1 auto;overflow-y:auto;overflow-x:hidden;padding-bottom:80px;}
.ct::-webkit-scrollbar{width:4px;}
.ct::-webkit-scrollbar-thumb{background:var(--bd2);border-radius:2px;}
/* bottom tab */
.tb{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(480px,100vw);display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--bd);background:rgba(255,255,255,.97);z-index:100;padding-bottom:env(safe-area-inset-bottom,0);}
.ta{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;color:var(--mu);font-size:10px;cursor:pointer;transition:color .15s;}
.ta.ac{color:var(--pr);}
.ta svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;}
/* utils */
.pd{padding:0 16px;}
.st{display:flex;flex-direction:column;gap:12px;}
.ro{display:flex;align-items:center;gap:8px;}
.rb{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
/* cards */
.cd{background:var(--surface);border:1px solid var(--bd);border-radius:var(--rl);padding:14px;}
.cd.ac{background:var(--pr);color:#fff;border-color:transparent;}
.cd.ac .mu,.cd.ac .mt{color:rgba(255,255,255,.75);}
/* text */
.h2{font-size:18px;font-weight:700;}
.h3{font-size:15px;font-weight:600;}
.mt{font-size:12px;color:var(--mu);}
.nm{font-variant-numeric:tabular-nums;}
/* badges */
.bdge{display:inline-flex;padding:3px 9px;border-radius:12px;font-size:11px;font-weight:500;white-space:nowrap;}
.bdge.gd{background:var(--gl);color:var(--gd);}
.bdge.wn{background:var(--wl);color:var(--wn);}
.bdge.dg{background:var(--dl);color:var(--dg);}
.bdge.in{background:var(--pl);color:var(--pd);}
.bdge.nt{background:#f1f5f9;color:var(--mu);}
/* chips */
.tg{display:inline-flex;padding:5px 12px;border-radius:20px;font-size:12px;border:1px solid var(--bd2);color:var(--mu);cursor:pointer;white-space:nowrap;transition:all .15s;}
.tg.ac{background:var(--pl);color:var(--pd);border-color:var(--pr);}
/* list row */
.lr{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:12px;padding:13px 0;border-top:1px solid var(--bd);cursor:pointer;}
.lr:first-child{border-top:0;}
.av{width:40px;height:40px;border-radius:50%;background:var(--pl);display:grid;place-items:center;font-weight:600;color:var(--pd);font-size:16px;flex-shrink:0;}
.av.dg{background:var(--dl);color:var(--dg);}
.lr .by .ti{font-size:15px;font-weight:500;}
.lr .by .sb{font-size:12px;color:var(--mu);margin-top:2px;}
/* buttons */
.bp{display:flex;align-items:center;justify-content:center;width:100%;min-height:46px;padding:12px;background:var(--pr);color:#fff;border:0;border-radius:12px;font:inherit;font-size:15px;font-weight:600;cursor:pointer;}
.bg{display:flex;align-items:center;justify-content:center;width:100%;min-height:46px;padding:12px;background:transparent;color:var(--fg);border:1px solid var(--bd2);border-radius:12px;font:inherit;font-size:15px;cursor:pointer;}
.bp:hover{opacity:.9;} .bg:hover{background:var(--sa);}
/* info row */
.ir{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--bd);font-size:14px;}
.ir:last-child{border-bottom:none;}
.il{color:var(--mu);}
.iv{font-weight:500;}
/* segment */
.sgwrap{display:flex;background:var(--sa);border-radius:12px;border:1px solid var(--bd);overflow:hidden;}
.seg{flex:1;text-align:center;padding:10px 0;font-size:14px;font-weight:600;color:var(--mu);cursor:pointer;}
.seg.on{background:var(--pr);color:#fff;}
/* back button */
.bt{width:32px;height:32px;border-radius:50%;background:var(--bg);border:1px solid var(--bd);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--fgs);font-size:18px;flex-shrink:0;}
/* pages */
.pg{display:none;} .pg.on{display:block;}
/* stats grid */
.kg{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.kc{padding:14px 12px;border-radius:var(--rl);border:1px solid var(--bd);text-align:center;background:var(--surface);}
.kc .nm{font-size:22px;font-weight:700;}
.kc .lb{font-size:11px;color:var(--mu);margin-top:2px;}
/* recording indicator */
.rc{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--dl);border:1px solid var(--dg);border-radius:var(--rl);}
.rd{width:12px;height:12px;background:var(--dg);border-radius:50%;animation:blk 1s infinite;flex-shrink:0;}
@keyframes blk{0%,100%{opacity:1}50%{opacity:.3}}
/* transcript colors */
.tx-c{color:var(--pd);font-weight:600;}
.tx-s{color:var(--gd);font-weight:600;}
/* knowledge card */
.kn-thumb{width:96px;height:72px;border-radius:8px;flex-shrink:0;display:grid;place-items:center;font-size:11px;}
/* timeline */
.tl{border-left:2px solid var(--pl);padding-left:14px;display:flex;flex-direction:column;gap:14px;}
.tl-item{}
/* form */
label.lbl{font-size:12px;color:var(--mu);display:block;margin-bottom:4px;}
input.fi,select.fi,textarea.fi{width:100%;padding:10px;border:1px solid var(--bd);border-radius:8px;font:inherit;font-size:14px;background:var(--surface);outline:none;}
input.fi:focus,select.fi:focus,textarea.fi:focus{border-color:var(--pr);}
textarea.fi{resize:none;}
/* section label */
.sec-lbl{font-size:12px;color:var(--mu);margin-bottom:8px;padding-top:4px;}
/* PPIS career-fit bars */
.qz-bar{height:6px;background:var(--pl);border-radius:3px;overflow:hidden;}
.qz-fill{height:100%;background:var(--pr);border-radius:3px;}
.rb{display:flex;justify-content:space-between;align-items:center;}
.mt{font-size:11px;color:var(--pr);font-weight:600;}
/* legacy bar chart */
.hbar-wrap{display:flex;align-items:flex-end;gap:8px;height:100px;}
.hbar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;}
.hbar{border-radius:4px 4px 0 0;width:100%;}
.hbar-lbl{font-size:10px;color:rgba(255,255,255,.85);}
/* audio player */
.audio-bar{display:flex;align-items:center;gap:12px;background:var(--bg);padding:12px;border-radius:10px;}
.play-btn{width:40px;height:40px;border-radius:50%;background:var(--pr);color:#fff;display:grid;place-items:center;flex-shrink:0;cursor:pointer;border:0;font-size:18px;}
.progress-wrap{flex:1;min-width:0;}
.progress-track{height:6px;background:var(--bd);border-radius:3px;overflow:hidden;cursor:pointer;}
.progress-fill{height:100%;background:var(--pr);transition:width .3s;}
/* ability bar */
.ab-bar{height:6px;border-radius:3px;background:var(--bd);overflow:hidden;margin-top:4px;}
.ab-fill{height:100%;background:var(--pr);}
/* plan card */
.plan-card{background:var(--surface);border:1px solid var(--bd);border-radius:var(--rl);padding:14px;margin-bottom:10px;cursor:pointer;}
.plan-card:hover{border-color:var(--pr);}
/* toast */
.toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);background:#1e293b;color:#fff;padding:10px 20px;border-radius:20px;font-size:13px;z-index:999;opacity:0;transition:opacity .3s;pointer-events:none;}
.toast.show{opacity:1;}
/* recommendation card */
.rec-card{border:1px solid var(--bd);border-radius:var(--rl);padding:14px;margin-bottom:10px;}
.rec-card.priority-high{border-color:var(--dg);background:#fff9f9;}
.rec-card.priority-mid{border-color:var(--wn);}
/* spinner */
.spin{display:inline-block;width:20px;height:20px;border:2px solid var(--bd);border-top-color:var(--pr);border-radius:50%;animation:spin .6s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}
/* chip scroll */
.chip-row{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;}
.chip-row::-webkit-scrollbar{display:none;}