.app{padding:28px 0 80px;background:#FAFBFD;min-height:70vh}
.crumb{font-size:14px;color:var(--muted);margin-bottom:18px}
.crumb b{color:var(--ink)}
.center{text-align:center}
.card-h{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.card-h .btn{padding:8px 16px;font-size:13px}
.card h3{font-size:18px}

.steps{list-style:none;display:flex;gap:6px;padding:0;margin:0 0 20px;counter-reset:s;overflow-x:auto}
.steps li{counter-increment:s;flex:1;min-width:max-content;font-size:13px;font-weight:600;color:var(--muted);padding:10px 12px;border-radius:6px;background:#fff;border:1px solid var(--line);white-space:nowrap}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--cool);margin-right:8px;font-size:11px}
.steps li.on{border-color:var(--ink);color:var(--ink)}
.steps li.on::before{background:var(--brand);color:var(--ink)}
.steps li.done{color:var(--ok)}
.steps li.done::before{content:"✓";background:var(--ok-bg);color:var(--ok)}

.reader-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.timer{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-variant-numeric:tabular-nums}
.timer .dot{width:9px;height:9px;border-radius:50%;background:var(--line)}
.timer .dot.live{background:var(--ok);box-shadow:0 0 0 4px var(--ok-bg)}
.bars{display:flex;gap:5px;margin-bottom:14px}
.bars i{flex:1;height:6px;border-radius:3px;background:var(--line);position:relative;overflow:hidden}
.bars i b{position:absolute;inset:0 auto 0 0;background:var(--brand);border-radius:3px}
.bars i.cur{outline:2px solid var(--ink);outline-offset:1px}
.paper{background:#fff;border:1px solid var(--line);border-radius:12px;padding:32px clamp(20px,4vw,48px);user-select:none;-webkit-user-select:none;position:relative;overflow:hidden;max-width:820px;font-size:16.5px;line-height:1.75}
.paper h3{font-size:22px;margin-bottom:16px}
.paper h4{font-size:16px;margin:20px 0 6px}
.paper p+p{margin-top:12px}
.paper .wm{position:absolute;inset:0;pointer-events:none;display:grid;place-items:center;font-weight:700;font-size:40px;color:rgba(20,33,61,.045);transform:rotate(-24deg);white-space:nowrap}
.reader-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;max-width:820px;flex-wrap:wrap}

form#quiz{margin-top:18px;display:flex;flex-direction:column;gap:18px}
.q{border-top:1px solid var(--line);padding-top:16px}
.q p{font-weight:600;margin-bottom:10px}
.q label{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border:1px solid var(--line);border-radius:8px;margin-top:6px;cursor:pointer;font-size:15px}
.q label:has(input:checked){border-color:var(--ink);background:var(--warm)}
.q input{margin-top:5px;accent-color:var(--brand)}

.score-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.score{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.score span{font-size:13px;color:var(--muted)}
.score b{display:block;font-size:36px;letter-spacing:-.03em}
.score.up{background:var(--ink);color:#fff;border-color:var(--ink)}
.score.up span{color:var(--on-dark)}
.score.up b{color:var(--brand)}
@media (max-width:560px){.score-row{grid-template-columns:1fr}}

.rbar{display:grid;grid-template-columns:minmax(0,1.5fr) 3fr auto;gap:12px;align-items:center;font-size:14px;padding:6px 0}
.rbar .track{height:10px;border-radius:5px;background:var(--cool);overflow:hidden}
.rbar .track b{display:block;height:100%;background:var(--brand)}
.rbar .v{font-variant-numeric:tabular-nums;font-weight:600}
.rev{border-top:1px solid var(--line);padding:12px 0;font-size:15px}
.rev:first-child{border-top:0}
.rev .a{font-size:14px;color:var(--muted);margin-top:4px}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:760px){.kpis{grid-template-columns:1fr 1fr}}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.kpi span{font-size:13px;color:var(--muted)}
.kpi b{display:block;font-size:28px;letter-spacing:-.02em}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.cell-w{background:var(--warn-bg)!important;color:var(--warn)}
.cell-b{background:var(--bad-bg)!important;color:var(--bad)}
.gain{font-weight:700;color:var(--ok)}
.gain.neg{color:var(--bad)}
.bq{border-top:1px solid var(--line);padding:12px 0;display:flex;gap:12px;justify-content:space-between;align-items:flex-start}
.bq:first-child{border-top:0}
.bq .txt{font-size:15px}
.bq .txt small{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.bq button{border:1.5px solid var(--line);background:#fff;border-radius:6px;padding:6px 12px;font-size:13px;font-weight:600;white-space:nowrap}
.bq button.ok{border-color:var(--ok);color:var(--ok);background:var(--ok-bg)}

/* praktikum */
.sess{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--ink);color:#fff;border-radius:12px;padding:16px 20px;margin-bottom:18px}
.sess .small{color:var(--on-dark)}
.sess .left b{font-size:17px}
.sess .cd{font-variant-numeric:tabular-nums;font-weight:700;color:var(--brand);font-size:22px}
.lap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}
@media (max-width:900px){.lap{grid-template-columns:1fr}}
.fld{margin-bottom:18px}
.fld label{display:flex;justify-content:space-between;font-weight:700;font-size:15px;margin-bottom:6px}
.fld label span{font-weight:500;font-size:12px;color:var(--muted)}
.fld textarea{width:100%;min-height:96px;font:inherit;font-size:15px;padding:12px;border:1px solid var(--line);border-radius:8px;resize:vertical;background:#fff}
.fld textarea:focus{outline:2px solid var(--brand);border-color:transparent}
.side{position:sticky;top:84px;display:flex;flex-direction:column;gap:16px}
.save{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.save i{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.log{max-height:240px;overflow:auto;font-size:13px}
.log div{display:flex;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding:6px 0}
.log div:first-child{border-top:0}
.log .p{color:var(--bad);font-weight:600}
.cam{display:flex;flex-direction:column;gap:10px}
.cam video,.cam canvas{width:100%;border-radius:8px;background:var(--ink);aspect-ratio:4/3;object-fit:cover}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.shots figure{margin:0;position:relative}
.shots img{width:100%;border-radius:6px;display:block}
.shots figcaption{font-size:11px;color:var(--muted);margin-top:2px}
.meter2{display:flex;height:12px;border-radius:6px;overflow:hidden;background:var(--cool)}
.meter2 .k{background:var(--ok)}
.meter2 .p{background:var(--bad)}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted);margin-top:6px;flex-wrap:wrap}
.legend i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:5px}
.tl{position:relative;height:44px;background:var(--cool);border-radius:6px;margin:8px 0 4px}
.tl i{position:absolute;bottom:0;width:3px;border-radius:2px 2px 0 0;background:var(--ok)}
.tl i.p{background:var(--bad);width:5px}
.tlx{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}
.det td{font-size:13px}
@media (max-width:520px){
  .logo small{display:none}
  .seg button{padding:7px 12px;font-size:13px}
  .demobar{font-size:12px}
  .paper{font-size:16px;padding:22px 18px}
  .paper h3{font-size:19px}
  .sess{flex-direction:column;align-items:flex-start}
  .sess>div:last-child{text-align:left!important}
  .reader-foot .btn{padding:11px 16px;font-size:14px}
  #minInfo{order:3;width:100%;text-align:center}
}