/* Blue Team Drill palette (brand/BRAND.md): Abyss bg, Signal Cyan as the only accent, Correct green, Warning Amber for wrong/flags (no red). */
@font-face{font-family:"Inter";src:url(fonts/inter-var-latin.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(fonts/space-grotesk-700-latin.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}
/* Themes (art-prelaunch-notes 2026-10-25 FINAL, BRAND.md): :root = dark, the default and the fallback when no data-theme is set.
   light / blue are chosen only in Settings (prefs.js sets html[data-theme]). Never follows the OS colour scheme.
   Component rules below use tokens only; every literal colour lives in these three blocks. */
:root{--bg:#0B1220;--card:#131C2E;--card2:#1A2540;--line:#26324F;--text:#E6ECF5;--muted:#93A0B8;--acc:#22D3EE;--ok:#2ECC71;--bad:#FFB020;--warn:#FFB020;--deep:#04121F;--r:14px;
  --ok-text:#2ECC71;--warn-text:#FFB020;--ok-fill:#123222;--bad-fill:#3A2A0F;--expl-bg:#0F1A2E;--tabs-bg:#0E1628;--top-bg:rgba(11,18,32,.95);--focus:#22D3EE;
  --input-bg:#0F1A2E;--input-line:#2A385A;--grid-ans:#0E3A47;--grid-part:#4a3a10;--pro-bg:#123222;--pro-text:#9ff0bf;
  --motion-fast:150ms;--motion-base:200ms;--motion-slow:250ms;--motion-ease:cubic-bezier(0.2,0.8,0.2,1)}
html[data-theme="light"]{--bg:#F4F7FB;--card:#FFFFFF;--card2:#E8EEF7;--line:#C5D0E0;--text:#0B1220;--muted:#4A5A73;--acc:#0E7490;--ok:#15803D;--bad:#B45309;--warn:#B45309;--deep:#FFFFFF;
  --ok-text:#166534;--warn-text:#92400E;--ok-fill:#E8F8EF;--bad-fill:#FFF6E5;--expl-bg:#EEF3F9;--tabs-bg:#FFFFFF;--top-bg:rgba(244,247,251,.95);--focus:#0E7490;
  --input-bg:#FFFFFF;--input-line:#C5D0E0;--grid-ans:#D5EEF3;--grid-part:#FFF6E5;--pro-bg:#E8F8EF;--pro-text:#166534}
html[data-theme="blue"]{--bg:#0F2744;--card:#173556;--card2:#1E4068;--line:#2A5280;--text:#E8EEF8;--muted:#9AADC8;--acc:#22D3EE;--ok:#2ECC71;--bad:#FFB020;--warn:#FFB020;--deep:#04121F;
  --ok-text:#2ECC71;--warn-text:#FFB020;--ok-fill:#123222;--bad-fill:#3A2A0F;--expl-bg:#142F52;--tabs-bg:#122A48;--top-bg:rgba(15,39,68,.95);--focus:#22D3EE;
  --input-bg:#142F52;--input-line:#2A5280;--grid-ans:#0E3A47;--grid-part:#4a3a10;--pro-bg:#123222;--pro-text:#9ff0bf}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--acc)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.top{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--top-bg);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;text-decoration:none}.wordmark{height:28px;width:auto;display:block}
.badge{font-size:12px;padding:3px 8px;border-radius:99px;background:var(--card2);color:var(--muted)}.badge.pro{background:var(--pro-bg);color:var(--pro-text)}
.topr{display:flex;align-items:center;gap:4px}.gear{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin:-8px -10px -8px 0;color:var(--muted);text-decoration:none;font-size:20px;border-radius:10px}.gear:hover{color:var(--text)}
main{max-width:720px;margin:0 auto;padding:16px 16px 140px}
.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--tabs-bg);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:5}
.tabs a{flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;text-align:center;padding:8px 2px 10px;font-size:13px;color:var(--muted);text-decoration:none;border-top:2px solid transparent}
.tabs a span{font-size:16px;line-height:1}.tabs a.on{color:var(--acc);font-weight:700;border-top-color:var(--acc)}
.legal{max-width:720px;margin:0 auto;padding:0 16px 90px;font-size:11px;color:var(--muted)}
.card{background:var(--card);border-radius:var(--r);padding:16px;margin:12px 0}.dlink{display:block;text-decoration:none;color:inherit}
.lbl{display:flex;justify-content:space-between}
h1{font-size:22px;margin:4px 0 8px;font-family:"Space Grotesk",Inter,system-ui,sans-serif}h2{font-size:18px;margin:0 0 8px}.muted{color:var(--muted)}.small{font-size:13px}
.btn{display:block;width:100%;padding:14px;border:0;border-radius:12px;background:var(--acc);color:var(--deep);font-weight:700;font-size:16px;margin:8px 0;cursor:pointer;text-align:center;text-decoration:none;font-family:inherit}
.btn.sec{background:var(--card2);color:var(--text)}.btn:disabled{opacity:.5;cursor:default}
.row{display:flex;gap:8px}.row>*{flex:1}
.choice,.seqi{display:block;width:100%;text-align:left;padding:14px;margin:8px 0;border-radius:12px;border:2px solid var(--line);background:var(--card2);color:var(--text);font-size:15px;cursor:pointer;font-family:inherit}
.choice.sel{border-color:var(--acc)}.choice.ok,.seqi.ok{border-color:var(--ok);background:var(--ok-fill)}.choice.bad,.seqi.bad{border-color:var(--bad);background:var(--bad-fill)}
.seq{padding-left:22px;margin:8px 0}.seq li{margin:0}.seqi{border-color:var(--acc);margin:6px 0}
.expl{border-left:4px solid var(--acc);padding:10px 12px;background:var(--expl-bg);border-radius:8px;margin-top:10px}
.bar{height:8px;background:var(--card2);border-radius:9px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--acc)}
.dom{margin:10px 0}.dom .lbl{font-size:14px;margin-bottom:4px}
.lock{opacity:.6}.tag{font-size:11px;padding:2px 6px;border-radius:6px;background:var(--card2);color:var(--muted)}
.plan{border-top:1px solid var(--line);padding:10px 0}.launch{font-weight:700;color:var(--acc)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:6px}.grid button{min-height:44px;padding:0;font-size:13px;border-radius:6px;border:1px solid var(--line);background:var(--card2);color:var(--text);font-family:inherit}
.grid .ans{background:var(--grid-ans);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}.grid .flg{border-color:var(--warn)}.grid .cur{outline:2px solid var(--acc)}
.timer{font-variant-numeric:tabular-nums;font-weight:700}.timer.low{color:var(--warn-text)}
input[type=text],input[type=date],input[type=number],select{width:100%;padding:12px;border-radius:10px;border:1px solid var(--input-line);background:var(--input-bg);color:var(--text);font-size:16px;font-family:inherit}
.ok{color:var(--ok-text)}.bad{color:var(--warn-text)}.warn{color:var(--warn-text)}
.big{font-size:34px;font-weight:700;font-family:"Space Grotesk",Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums}

.chip{min-height:44px;padding:8px 14px;margin:4px 0 8px;border-radius:22px;border:1px solid var(--line);background:var(--card2);color:var(--text);font-family:inherit;font-size:14px}
.chip.on{border-color:var(--warn);color:var(--warn-text)}
.src{margin-top:6px;padding:0 12px;line-height:1.4;overflow-wrap:anywhere}.src a{color:inherit;text-decoration:underline}
.why{margin-top:8px;padding:8px 10px;border-left:3px solid var(--warn);background:var(--card2);border-radius:6px;font-size:14px}
.why-all{margin-top:8px;font-size:14px}.why-all summary,details summary{cursor:pointer;min-height:32px}
.grp h3{font-size:15px;margin:16px 0 4px}
input[type=date],input[type=number]{width:100%;box-sizing:border-box;min-height:44px}

.grid .part{background:var(--grid-part);border-color:var(--warn);text-decoration:underline dotted;text-decoration-thickness:2px;text-underline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#qtext:focus{outline:none}

/* Settings (#/settings): native controls, 44 px rows */
.fs{border:0;margin:0;padding:0;min-width:0}.fs legend{padding:0;margin-bottom:4px}
.opt{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer}.opt input{width:20px;height:20px;margin:0;accent-color:var(--acc);flex:none}
.opt.stub{justify-content:space-between;cursor:default}.opt.stub label{display:flex;flex-direction:column}.opt.stub .d{display:block}.opt .sw{display:flex;align-items:center;gap:6px}
.opt input:disabled{cursor:default}
.opt.pref{justify-content:space-between}.opt.pref label{display:flex;flex-direction:column;cursor:pointer}.opt.pref .d{display:block}

/* D: micro-motion (Animator 2026-10-25). Opt-in only: html.motion-ok is set by prefs.js when the OS allows motion AND
   Settings "Reduce motion" is off (default is reduced). No class = zero transitions. Paint-only; nothing waits on it.
   No transition on html/body: theme switches are instant. */
html.motion-ok .choice,html.motion-ok .seqi,html.motion-ok .btn,html.motion-ok .tabs a{
  transition:border-color var(--motion-base) var(--motion-ease),background-color var(--motion-base) var(--motion-ease),color var(--motion-base) var(--motion-ease),opacity var(--motion-fast) var(--motion-ease),transform var(--motion-fast) var(--motion-ease)}
html.motion-ok .choice.sel{transition-duration:var(--motion-fast)}
html.motion-ok .btn:active:not(:disabled){transform:scale(0.98)}
html.motion-ok .choice.ok.is-settling,html.motion-ok .seqi.ok.is-settling{animation:btd-ok-settle var(--motion-base) var(--motion-ease) 1}
@keyframes btd-ok-settle{from{transform:scale(1.02);opacity:.92}to{transform:scale(1);opacity:1}}
@media (prefers-reduced-motion:reduce){
  html.motion-ok .choice,html.motion-ok .seqi,html.motion-ok .btn,html.motion-ok .tabs a,html.motion-ok .choice.ok.is-settling,html.motion-ok .seqi.ok.is-settling{transition:none!important;animation:none!important}
  html.motion-ok .btn:active{transform:none}}
/* Optional-update banner (2026-10-26, ops/update-policy-proposal B/C). Shown only when idle (no drill / mock running). Tokens only. */
.upd{position:sticky;top:49px;z-index:4;max-width:720px;margin:8px auto 0;padding:10px 14px;background:var(--card2);border:1px solid var(--line);border-radius:12px;font-size:14px;display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center}
.upd[hidden]{display:none}.upd b{flex-basis:100%}.upd .small{flex-basis:100%;margin:0}
.upd button{background:none;border:0;padding:6px 0;color:var(--acc);font:inherit;cursor:pointer;text-decoration:underline;min-height:32px}
.upd button.go{font-weight:700}