:root{--paper:#F5F8FC;--surface:#FFFFFF;--ink:#0E1B33;--muted:#5B6B86;--line:#DCE4F0;--brand:#006CD6;--brand-deep:#0033A0;--brand-tint:#E6F2FF;--on-brand:#FFFFFF;--signal:#B34A00;--signal-tint:#FFF0E6;--good:#1F7A45;--good-tint:#E5F5EC;--bad:#B42318;--bad-tint:#FDECEA;--shadow:0 1px 3px rgba(14,27,51,.07);--shadow-lg:0 14px 40px rgba(14,27,51,.1);color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--paper:#0A1020;--surface:#121B30;--ink:#E3EAF6;--muted:#93A3BE;--line:#243150;--brand:#4DAEFF;--brand-deep:#8FCBFF;--brand-tint:#132A47;--on-brand:#08111F;--signal:#FF9A55;--signal-tint:#3A2214;--good:#5FD08F;--good-tint:#12301F;--bad:#FF7A70;--bad-tint:#3A1616;--shadow:0 1px 3px rgba(0,0,0,.45);--shadow-lg:0 14px 40px rgba(0,0,0,.5);color-scheme:dark}}:root[data-theme=dark]{--paper:#0A1020;--surface:#121B30;--ink:#E3EAF6;--muted:#93A3BE;--line:#243150;--brand:#4DAEFF;--brand-deep:#8FCBFF;--brand-tint:#132A47;--on-brand:#08111F;--signal:#FF9A55;--signal-tint:#3A2214;--good:#5FD08F;--good-tint:#12301F;--bad:#FF7A70;--bad-tint:#3A1616;--shadow:0 1px 3px rgba(0,0,0,.45);--shadow-lg:0 14px 40px rgba(0,0,0,.5);color-scheme:dark}:root,:root[data-theme]{--bg: var(--paper);--bg2: color-mix(in srgb, var(--paper) 55%, var(--line));--panel: var(--surface);--line2: color-mix(in srgb, var(--line) 72%, var(--muted));--text: var(--ink);--dim: var(--muted);--faint: color-mix(in srgb, var(--muted) 72%, var(--paper));--accent: var(--brand);--accent-ink: var(--on-brand);--warn: var(--signal);--danger: var(--bad);--blue: var(--brand);--r1:#0033A0;--r2:#0085FF;--r3:#00D2FF;--r4:#FFD000;--r5:#FF6A00;--r6:#FF007F;--r7:#7928CA;--ramp: linear-gradient(90deg, var(--r1), var(--r2), var(--r3), var(--r4), var(--r5), var(--r6), var(--r7));--night: radial-gradient(120% 90% at 50% 0%, #0B2A63 0%, #081733 45%, #050C1C 100%);--night-ink: #EAF1FF;--night-muted: #AFC2E0;--night-line: #1E3566;--mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;--sans: "Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--display: "Archivo", "Public Sans", system-ui, sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 var(--sans)}h1,h2,h3,.fb-head,.brand{font-family:var(--display)}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.25;margin:0 0 .5em}h1{font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.02em}h2{font-size:19px;font-weight:700;color:var(--brand-deep)}h3{font-size:15px}p{margin:0 0 .8em}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.muted{color:var(--dim)}.lead{color:var(--dim);font-size:16px;max-width:70ch}.eyebrow{font:700 12px var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--signal);margin-bottom:6px}button{font:inherit;color:inherit}select,input[type=search]{font:inherit;color:var(--text);background:var(--bg2);border:1px solid var(--line2);border-radius:6px;padding:8px 10px}#app{min-height:100vh;display:flex;flex-direction:column}.appbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;padding:10px 20px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--ink)}.brand-word{background:var(--ramp);-webkit-background-clip:text;background-clip:text;color:transparent}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#0033a0,#006cd6);color:#fff;font-size:18px}.topnav{display:flex;gap:2px;flex-wrap:wrap}.navlink{position:relative;padding:6px 11px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:600}.navlink:hover{color:var(--text);background:var(--bg2);text-decoration:none}.navlink[aria-current=page]{color:var(--brand-deep);background:var(--brand-tint)}.soon{margin-left:6px;font:600 9px var(--mono);color:var(--warn);border:1px solid color-mix(in srgb,var(--signal) 40%,transparent);border-radius:3px;padding:0 4px;vertical-align:2px}.edu{margin-left:auto;font:700 11px var(--display);letter-spacing:.06em;text-transform:uppercase;color:var(--signal);background:var(--signal-tint);padding:4px 10px;border-radius:999px}.theme-toggle{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.theme-toggle button{font:600 12px var(--sans);border:0;padding:6px 10px;cursor:pointer;background:var(--surface);color:var(--muted)}.theme-toggle button[aria-pressed=true]{background:var(--brand);color:var(--on-brand)}.page{flex:1;width:100%;max-width:1240px;margin:0 auto;padding:26px 20px 60px;outline:none}.appfoot{color:var(--faint);font-size:12px;text-align:center;padding:18px 20px 26px;border-top:1px solid var(--line)}.btn{display:inline-block;padding:9px 16px;border:1px solid var(--line);border-radius:10px;color:var(--brand-deep);background:var(--surface);cursor:pointer;font:700 14px var(--display)}.btn:hover{border-color:var(--accent);text-decoration:none}.btn.primary,button.primary{background:var(--brand);color:var(--on-brand);border-color:var(--brand);font:700 14px var(--display)}button.primary{padding:10px 18px;border:0;border-radius:10px;cursor:pointer}button.primary:disabled{opacity:.4;cursor:not-allowed}.chip-link{display:inline-block;padding:3px 10px;border:1px solid var(--line2);border-radius:999px;font-size:13px;color:var(--text);background:var(--bg2);cursor:pointer}.chip-btn{padding:4px 10px;border:1px solid var(--line2);border-radius:999px;font-size:13px;color:var(--dim);background:transparent;cursor:pointer}.chip-btn[aria-pressed=true]{color:var(--accent);border-color:color-mix(in srgb,var(--brand) 60%,transparent)}.chips{display:flex;gap:8px;flex-wrap:wrap}.cid{display:inline-block;font:600 11px var(--mono);color:var(--brand-deep);background:var(--brand-tint);border:1px solid color-mix(in srgb,var(--brand) 28%,transparent);border-radius:6px;padding:1px 6px;margin-right:8px;vertical-align:2px}.cid.big{font-size:13px;vertical-align:5px}.gate{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:16px;background:color-mix(in srgb,#050C1C 70%,transparent);backdrop-filter:blur(4px)}.gate-card{width:min(560px,100%);background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow-lg)}.disclaimer{border:1px solid color-mix(in srgb,var(--signal) 40%,transparent);background:var(--signal-tint);border-radius:8px;padding:12px 14px;margin:14px 0}.disclaimer strong{display:block;color:var(--signal);font:600 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}.disclaimer p{margin:0}.ack{display:flex;gap:10px;align-items:flex-start;margin:10px 0 18px;cursor:pointer}.ack input{margin-top:5px;width:18px;height:18px;accent-color:var(--accent)}.page-head{margin-bottom:22px}.crumbs{font-size:13px;color:var(--dim);margin-bottom:6px}.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:18px}.tile{display:block;padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);color:var(--text)}.tile:hover{border-color:var(--accent);text-decoration:none}.tile p{color:var(--dim);margin:0;font-size:14px}.tile.disabled{opacity:.55}.hero{display:grid;grid-template-columns:1fr 1.25fr;gap:28px;align-items:center;margin-bottom:20px}.hero-cta{display:flex;gap:10px;flex-wrap:wrap}.hero-side{background:var(--night);color:var(--night-ink);border-radius:16px;padding:12px;box-shadow:var(--shadow-lg);--line: var(--night-line);--line2: var(--night-line);--dim: var(--night-muted);--muted: var(--night-muted);--faint: #7F93B8;--text: var(--night-ink);--ink: var(--night-ink);--bg2: #0B1A38;--accent: #8FCBFF;--brand: #4DAEFF;--brand-deep: #8FCBFF;--on-brand: #08111F;--signal: #FF9A55;--warn: #FF9A55}.demo-tabs{display:flex;gap:4px;margin-bottom:8px;flex-wrap:wrap}.demo-tab{padding:4px 10px;font-size:12px;font-family:var(--mono);border-radius:5px;color:var(--dim);border:1px solid transparent}.demo-tab[aria-selected=true]{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 50%,transparent)}.hero-monitor{width:100%}.live-strip{display:block;border-radius:6px}.readouts{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:6px;margin-top:8px}.ro{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:7px 10px}.hero-side .ro{background:#06112a}.ro .rl{font:700 10px var(--display);letter-spacing:.08em;color:var(--dim)}.ro .rv{font:600 20px var(--mono);color:var(--brand-deep);line-height:1.25}.ro .ru{font:10px var(--mono);color:var(--faint)}.ro[data-warn="1"] .rv{color:var(--warn)}.search{width:100%;max-width:520px;margin-bottom:18px}.cat-h{display:flex;align-items:center;gap:10px;margin:26px 0 12px;font-size:17px}.cat-id{font:600 12px var(--mono);color:var(--on-brand);background:var(--brand);padding:1px 7px;border-radius:6px}.count{font:12px var(--mono);color:var(--faint)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:12px 14px;color:var(--text)}.card:hover{border-color:var(--accent);text-decoration:none}.card h3{margin:4px 0 8px}.card p{color:var(--dim);font-size:13px;margin:8px 0 0}.thumb{display:block;width:100%;height:64px;border-radius:5px}.cond-head h1{margin-bottom:4px}.aka{color:var(--faint);font-size:13px;margin:0 0 6px}.variants{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0 4px}.variant{padding:5px 11px;border:1px solid var(--line2);border-radius:7px;font-size:13px;color:var(--dim);background:var(--bg2)}.variant[aria-selected=true]{color:var(--accent);border-color:color-mix(in srgb,var(--brand) 60%,transparent);background:color-mix(in srgb,var(--brand) 6%,transparent)}.vdesc{color:var(--warn);font-size:13px}.monitor-row{display:grid;grid-template-columns:1fr 300px;gap:16px;margin:18px 0 24px}.section-label{font:600 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:6px}.live-box{border:1px solid var(--line2);border-radius:8px;overflow:hidden}.monitor-side .readouts{margin-top:22px;grid-template-columns:repeat(3,1fr)}.axis-box{display:flex;align-items:center;gap:10px;margin-top:10px}.axis-cat{font-size:13px;color:var(--dim)}.vitals-mini{margin-top:8px;font:12px var(--mono);color:var(--dim)}.nopulse{color:var(--danger);font-weight:700;letter-spacing:.1em}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}.twelve-wrap{width:100%;border:1px solid var(--line2);border-radius:8px;overflow:hidden;margin-top:10px}.twelve{display:block}.display-controls{display:flex;gap:14px;flex-wrap:wrap;align-items:center}.seg{display:flex;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:2px}.seg-l{font:600 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--faint);padding:0 6px}.seg-b{background:transparent;border:0;border-radius:8px;padding:3px 9px;font-size:12px;color:var(--dim);cursor:pointer}.seg-b[aria-pressed=true]{background:var(--brand);color:var(--on-brand)}.teach-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.card-sec{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:16px 18px}.card-sec.wide{grid-column:1 / -1}.card-sec ul{padding-left:18px;margin:0}.card-sec li{margin:5px 0}.criteria{list-style:none;padding:0!important}.criteria li{display:flex;flex-direction:column;gap:3px;padding:8px 0;border-bottom:1px dashed var(--line)}.criteria li:last-child{border-bottom:0}.threshold{align-self:flex-start;font-size:12px;color:var(--signal);background:var(--signal-tint);border:1px solid color-mix(in srgb,var(--signal) 30%,transparent);border-radius:4px;padding:1px 7px}.mimics{display:flex;flex-direction:column;gap:6px}.mimic{color:var(--text)}.mimic.pending{color:var(--faint)}.pearls li::marker{color:var(--accent)}.hexaxial .q-normal{fill:color-mix(in srgb,var(--good) 12%,transparent)}.hexaxial .q-lad{fill:color-mix(in srgb,var(--brand) 12%,transparent)}.hexaxial .q-rad{fill:color-mix(in srgb,var(--signal) 10%,transparent)}.hexaxial .q-extreme{fill:color-mix(in srgb,var(--bad) 10%,transparent)}.hx-axis{stroke:var(--line2);stroke-width:1}.hx-label{fill:var(--dim);font:10px var(--mono)}.hx-vector{stroke:var(--accent);stroke-width:3;stroke-linecap:round}.hx-tip{fill:var(--accent)}.beat-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:16px;align-items:start;margin-bottom:18px}.beat-wrap{background:#fff6f4;border-radius:8px;padding:6px;overflow-x:auto}.beat-svg{width:100%;min-width:520px;display:block}.g-minor{stroke:#ec786e47;stroke-width:.6}.g-major{fill:none;stroke:#d6464080;stroke-width:1}.g-bg{stroke:none}.beat-path{fill:none;stroke:#15110f;stroke-width:2.4;stroke-linejoin:round}.zone{fill:transparent;cursor:pointer}.zone.on{fill:color-mix(in srgb,var(--r2) 16%,transparent)}.bracket{cursor:pointer}.bracket line{stroke:#6b4a45;stroke-width:1.6}.bracket text{fill:#6b4a45;font:600 12px var(--mono)}.bracket.on line{stroke:var(--r1);stroke-width:2.4}.bracket.on text{fill:var(--r1)}.part-info{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:16px 18px;min-height:300px}.part-info .sub{font:600 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin:10px 0 4px}.part-info ul{padding-left:18px;margin:0}.norms{width:100%;border-collapse:collapse;font-size:14px}.norms th,.norms td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line)}.norms th{font:600 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}.qtc{display:grid;grid-template-columns:1fr 1.2fr;gap:18px;align-items:start;margin-top:8px}.qtc-controls label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--dim);margin-bottom:10px}.qtc-controls input[type=range]{accent-color:var(--accent)}.qtc-out{display:grid;gap:4px}.qo{display:flex;justify-content:space-between;gap:8px;padding:5px 8px;border-radius:6px;background:var(--bg2);font-size:13px}.qo b{font-size:15px}.qo[data-c=ok] b{color:var(--good)}.qo[data-c=warn] b{color:var(--warn)}.qo[data-c=bad] b{color:var(--danger)}.qtc-chart{width:100%;background:var(--surface);border-radius:8px;border:1px solid var(--line)}.c-grid{stroke:var(--line)}.c-lbl{fill:var(--faint);font:10px var(--mono)}.c-bazett{fill:none;stroke:var(--danger);stroke-width:2.2}.c-frid{fill:none;stroke:var(--good);stroke-width:2.2}.c-now{stroke:var(--blue);stroke-dasharray:4 4}.c-bazett-t{fill:var(--danger);font:11px var(--mono)}.c-frid-t{fill:var(--good);font:11px var(--mono)}.fw-top{display:grid;grid-template-columns:minmax(240px,380px) 1fr;gap:14px;align-items:end}.cond-select{width:100%}.stepper{display:flex;list-style:none;padding:0;margin:18px 0;gap:4px;flex-wrap:wrap;counter-reset:s}.stepper li a{display:flex;align-items:center;gap:6px;padding:5px 10px;border-radius:6px;font-size:13px;color:var(--dim);border:1px solid var(--line)}.stepper .sn{font:600 11px var(--mono)}.stepper li[data-state=done] a{color:var(--text);border-color:var(--line2)}.stepper li[data-state=now] a{color:#fff;background:linear-gradient(90deg,#0033a0,#006cd6);border-color:transparent}.fw-grid{display:grid;grid-template-columns:340px 1fr;gap:16px;align-items:start}.fw-step{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:16px 18px;position:sticky;top:70px}.fw-step .how{color:var(--dim)}.finding{border-left:3px solid var(--brand);background:var(--brand-tint);padding:10px 12px;border-radius:0 6px 6px 0;margin:10px 0}.f-label{font:700 10px var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}.reveal{display:block;text-align:center;margin:10px 0;border-style:dashed}.fw-nav{display:flex;justify-content:space-between;gap:8px;margin-top:14px}.dive-index{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}.dive{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:16px 18px;margin-bottom:16px;scroll-margin-top:80px}.dive-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.dive-strip{border:1px solid var(--line2);border-radius:7px;overflow:hidden;margin:8px 0 12px}.dive-canvas{display:block}.dive-text p{color:var(--dim)}.dive-text strong{color:var(--text)}@media (max-width: 900px){.hero,.monitor-row,.teach-grid,.beat-layout,.qtc,.fw-grid,.fw-top{grid-template-columns:1fr}.fw-step{position:static}.edu{display:none}}.viewer{display:grid;gap:8px}.viewer-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.leadbar,.terrbar{display:flex;flex-wrap:wrap;gap:3px;align-items:center}.lead-b,.terr-b{background:var(--bg2);border:1px solid var(--line);color:var(--dim);border-radius:5px;padding:3px 8px;font:12px var(--mono);cursor:pointer}.lead-b[aria-pressed=true]{color:var(--accent);border-color:color-mix(in srgb,var(--brand) 60%,transparent)}.terr-b{font-family:var(--sans)}.terr-b[aria-pressed=true]{color:var(--text);background:var(--tc);border-color:var(--line2)}.terr-note{font-size:13px;color:var(--dim)}.cal-host{position:relative}.caliper-layer{position:absolute;left:0;top:0;cursor:crosshair;touch-action:none}.cal-host[data-cal=off] .caliper-layer{cursor:default}.cal-leg{stroke:var(--r1);stroke-width:1.6}.cal-bar{stroke:var(--r1);stroke-width:1.2;stroke-dasharray:4 3}.cal-march{stroke:var(--r1);stroke-width:1.2;stroke-dasharray:3 4;opacity:.8}.cal-cross{stroke:color-mix(in srgb,var(--r1) 35%,transparent);stroke-width:1}.cal-dot{fill:var(--r1)}.cal-tag{fill:#fff;font:600 11px var(--mono)}.cal-tagbg{fill:var(--r1)}.cal-readout{min-height:20px;font:12px var(--mono);color:var(--dim)}.audio-panel{margin-top:8px;padding:8px 10px;background:var(--bg2);border:1px solid var(--line);border-radius:8px;display:grid;gap:6px}.ap-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.sound-on{padding:5px 11px;font-size:13px}.sound-on:disabled{opacity:.75;cursor:default}.tog{display:flex;gap:6px;align-items:center;font-size:13px;color:var(--dim);cursor:pointer}.tog input[type=checkbox]{accent-color:var(--accent)}.tog input[type=range]{width:90px;accent-color:var(--accent)}.ap-desc{font-size:13px;color:var(--dim);display:flex;flex-wrap:wrap;gap:10px;align-items:center}.ap-desc b{color:var(--text)}.silent{color:var(--warn)}.alarm-tag{font:600 11px var(--mono);padding:2px 8px;border-radius:4px}.alarm-tag[data-level=high]{color:#fff;background:#b42318;animation:blink 1s steps(2,start) infinite}.alarm-tag[data-level=advisory]{color:#0b1020;background:linear-gradient(90deg,#ffd000,#ff9a3d)}@keyframes blink{50%{opacity:.55}}.hero-side .audio-panel{background:transparent;border-color:var(--line2)}.mm{margin-bottom:16px}.mm-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;margin:8px 0 12px}.mm-grid.two{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.mm-cell{min-width:0}.mm-title{display:block;font-size:13px;margin-bottom:4px;color:var(--text)}.table-wrap{overflow-x:auto}.cmp th[scope=row]{color:var(--dim);font-weight:600;white-space:nowrap}.cmp td{font-size:13px}.trap{border-left:3px solid var(--signal);background:var(--signal-tint);padding:8px 12px;border-radius:0 6px 6px 0;margin:10px 0 0}.algo{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:12px 14px}.algo-q{font-weight:600}.algo-btns{display:flex;gap:8px;margin-top:8px}.algo-path{font-size:12px;color:var(--dim);padding-left:18px}.algo-result{font-weight:700;padding:8px 12px;border-radius:8px;margin:6px 0 10px;background:var(--brand-tint);color:var(--brand-deep)}.algo-result[data-vt=true]{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--danger)}.setup .setup-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:10px}.cat-picks{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:6px;margin-bottom:12px}.cat-pick .cat-id{font-size:10px}.arena-head{position:sticky;top:62px;z-index:5;display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:8px 12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);margin-bottom:12px;font-size:14px;color:var(--dim)}.arena-head b{color:var(--text)}.a-case{color:var(--brand-deep);font:700 15px var(--display)}.tbar{flex:1;min-width:120px;height:6px;background:var(--bg2);border-radius:3px;overflow:hidden}.tbar-fill{height:100%;width:100%;background:var(--accent);transition:width .1s linear}.tbar-fill[data-low=true]{background:var(--danger)}.t-text{min-width:38px;text-align:right;color:var(--text)}.arena-main{display:grid;grid-template-columns:1fr 220px;gap:12px}.arena-monitor{border-color:var(--night-line)}.panel-vitals{background:var(--night);border:1px solid var(--night-line);border-radius:12px;--dim: var(--night-muted);padding:12px;display:grid;gap:8px;align-content:start}.v-row{display:flex;justify-content:space-between;align-items:baseline;font:600 12px var(--mono);color:var(--dim)}.v-row b{font-size:26px;color:#5fd08f}.v-row:nth-child(2) b{color:#ff7a70}.v-row:nth-child(3) b{color:#00d2ff}.v-pulse{text-align:center;font:700 12px var(--mono);letter-spacing:.08em;padding:8px;border-radius:8px;background:#5fd08f24;color:#5fd08f}.v-pulse[data-pulse=false]{background:#b42318;color:#fff;animation:blink 1s steps(2,start) infinite}.arena-q{margin:16px 0}.options{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px}.option{text-align:left;padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);color:var(--text);cursor:pointer;font-size:14px;display:flex;gap:10px;align-items:center}.option:hover{border-color:var(--brand);background:var(--brand-tint)}.option kbd{font:11px var(--mono);color:var(--dim);border:1px solid var(--line2);border-radius:4px;padding:0 5px}.picker{position:relative;max-width:560px}.picker-in{width:100%}.picker-menu{position:absolute;left:0;right:0;top:100%;z-index:6;list-style:none;margin:4px 0 0;padding:4px;background:var(--panel);border:1px solid var(--line2);border-radius:8px;max-height:320px;overflow-y:auto}.picker-menu li{padding:7px 9px;border-radius:5px;cursor:pointer;font-size:14px}.picker-menu li[aria-selected=true],.picker-menu li:hover{background:color-mix(in srgb,var(--brand) 10%,transparent)}.feedback{border:1px solid var(--line2);border-radius:16px;box-shadow:var(--shadow);padding:14px 16px;background:var(--panel)}.feedback[data-ok=true]{border-color:var(--good);background:var(--good-tint)}.feedback[data-ok=false]{border-color:var(--bad)}.fb-head{display:flex;justify-content:space-between;font-weight:700;font-size:17px;margin-bottom:6px}.feedback[data-ok=true] .fb-head{color:var(--good)}.feedback[data-ok=false] .fb-head{color:var(--danger)}.fb-note{border-left:3px solid var(--signal);padding:6px 10px;background:var(--signal-tint)}.fb-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.arena-twelve{margin-top:12px}.sum-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-bottom:16px}.misses{padding-left:18px}@media (max-width: 900px){.arena-main{grid-template-columns:1fr}}.mcq{display:flex;flex-direction:column;gap:14px}.mcq-q .stem{font-size:16px}.qline{margin-top:14px}.qtags{display:inline-flex;gap:6px;align-items:center;flex-wrap:wrap}.qtag{font:11px var(--mono);color:var(--dim);border:1px solid var(--line2);border-radius:4px;padding:1px 6px}.qtag.exam{color:var(--warn);border-color:color-mix(in srgb,var(--signal) 50%,transparent)}.vchips{display:flex;gap:8px;flex-wrap:wrap;margin:4px 0 8px}.vchip{font-size:13px;padding:3px 10px;border-radius:999px;border:1px solid var(--line2);background:var(--bg2)}.vchip[data-bad=true]{color:var(--danger);border-color:color-mix(in srgb,var(--bad) 60%,transparent);font-weight:700;letter-spacing:.06em}.mcq-options{display:grid;grid-template-columns:1fr;gap:8px}.mcq-options .option{text-align:left}.option[data-state=right]{border-color:var(--good);background:var(--good-tint);color:var(--text)}.option[data-state=wrong]{border-color:var(--bad);background:var(--bad-tint);color:var(--text)}.option[data-state=other]{opacity:.6}.option:disabled{cursor:default}.hints{margin-top:12px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}.hint-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;width:100%}.hint{display:flex;flex-direction:column;gap:2px;border-left:3px solid var(--signal);background:var(--signal-tint);padding:7px 12px;border-radius:0 6px 6px 0}.hint b{font:600 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--warn)}.hint[data-tier="3"]{border-left-color:var(--brand);background:var(--brand-tint)}.hint[data-tier="3"] b{color:var(--brand-deep)}.hint-btn{display:inline-flex;gap:8px;align-items:center}.hint-cost{font:11px var(--mono);color:var(--warn)}.hint-note{font-size:12px;margin:0}.rationale{font-size:15px}.whys{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-direction:column;gap:6px}.whys li{display:flex;flex-direction:column;gap:2px;padding:7px 12px;border:1px solid var(--line);border-radius:7px}.whys li[data-state=right]{border-color:var(--good);background:var(--good-tint)}.whys li[data-state=right] b{color:var(--good)}.whys li[data-state=wrong]{border-color:color-mix(in srgb,var(--bad) 60%,transparent)}.whys li[data-state=wrong] b{color:var(--danger)}.whys li span{color:var(--dim);font-size:14px}.review{border-top:1px solid var(--line);padding:8px 0}.review summary{cursor:pointer}.review[data-ok=false] summary{color:var(--text)}.review[data-ok=true] summary{color:var(--dim)}.review>p{margin-top:8px}.cat-bars{display:flex;flex-direction:column;gap:6px}.cat-bar{display:grid;grid-template-columns:auto minmax(0,14em) 1fr auto;gap:10px;align-items:center;font-size:13px}.cb-track{height:8px;background:var(--bg2);border:1px solid var(--line);border-radius:999px;overflow:hidden}.cb-fill{height:100%;background:var(--good)}@media (max-width: 560px){.cat-bar{grid-template-columns:auto 1fr auto}.cb-name{display:none}}.analytics{display:flex;flex-direction:column;gap:14px}.analytics .page-head .setup-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}.cat-table{display:flex;flex-direction:column;gap:6px}.ct-row{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1.2fr) minmax(0,1.2fr) 3em;gap:12px;align-items:center;font-size:14px}.ct-head{font:600 11px var(--mono);letter-spacing:.08em;color:var(--dim);text-transform:uppercase}.ct-bar{display:grid;grid-template-columns:1fr 3.4em;gap:8px;align-items:center}.ct-bar .cb-track,.ct-bar .cb-fill{display:block}.cb-fill[data-lvl=mid]{background:var(--warn)}.cb-fill[data-lvl=low]{background:var(--danger)}.cb-fill.speed{background:var(--brand)}.chart-wrap{overflow-x:auto}.trend{width:100%;min-width:480px;height:auto;background:var(--surface);border:1px solid var(--line);border-radius:8px}.tr-grid{stroke:var(--line);stroke-width:1}.tr-lab{fill:var(--faint);font:10px var(--mono)}.tr-bar{fill:color-mix(in srgb,var(--brand) 35%,transparent)}.tr-line{fill:none;stroke:var(--brand-deep);stroke-width:2}.tr-dot{fill:var(--brand-deep)}.confusions{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-direction:column;gap:6px}.confusions li{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.conf-n{color:var(--danger);min-width:2.5em}.cmatrix{border-collapse:collapse;font-size:12px;margin:6px 0 8px}.cmatrix th{font:600 11px var(--mono);color:var(--dim);padding:4px 6px;text-align:center}.cmatrix td{width:38px;height:30px;text-align:center;border:1px solid var(--line);background:color-mix(in srgb,var(--bad) calc(var(--a, 0) * 100%),transparent)}.cmatrix td[data-diag=true]{background:color-mix(in srgb,var(--good) calc(var(--a, 0) * 100%),transparent)}.sr-table tr[data-due=true] td:last-child{color:var(--warn);font-weight:700}.btn.danger,button.danger{border-color:color-mix(in srgb,var(--bad) 60%,transparent);color:var(--danger);background:transparent}.confirm{display:inline-flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--danger);font-size:14px}.empty{text-align:left}@media (max-width: 640px){.ct-row{grid-template-columns:1fr 1fr}.ct-row>:nth-child(1){grid-column:1 / -1}.ct-row>:nth-child(4),.ct-head{display:none}}.due-chip{display:inline-block;margin-top:12px;padding:5px 14px;border-radius:999px;background:linear-gradient(90deg,#ffd000,#ff9a3d);color:#0b1020;font:700 13px var(--display)}