/* Carnet de révisions — design system partagé.
   Idée : un carnet de bord clair (écume, lagon) avec un accent corail, et un élément signature :
   le « sondeur », trois anneaux concentriques qui montrent où on en est avant l'échéance. */

@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:200 800;font-display:swap;
  src:url(fonts/bricolage-grotesque-latin-ext-wght-normal.woff2) format("woff2-variations");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-weight:200 800;font-display:swap;
  src:url(fonts/bricolage-grotesque-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --bg:#eaf2f1;--card:#ffffff;--ink:#0c2430;--muted:#51666d;--line:#d5e3e1;--soft:#e2efed;
  --brand:#0e7c86;--on-brand:#ffffff;--accent:#ff6b57;--on-accent:#2b0d08;--accent-soft:#ffe8e3;
  --hero:#0a2f3a;--hero-2:#0e4552;--on-hero:#f2fbfa;
  --ring-1:#ff7d69;--ring-2:#5fd3c6;--ring-3:#ffc857;
  --ko:#c2213f;--ok:#0b7a52;--ok-soft:#d9f2e8;--ko-soft:#fde4e8;
  --shadow:0 1px 2px rgba(10,47,58,.05),0 10px 28px rgba(10,47,58,.08);
  --font:"Bricolage Grotesque",ui-rounded,"Segoe UI Variable",system-ui,-apple-system,Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#081519;--card:#0f2329;--ink:#e6f3f1;--muted:#9bb3b1;--line:#1f3b40;--soft:#16303a;
  --brand:#3cc4cf;--on-brand:#052024;--accent:#ff8a78;--accent-soft:#3a1d19;
  --hero:#0b2a33;--hero-2:#10414d;
  --ko:#ff7a90;--ok:#4fd1a1;--ok-soft:#10372c;--ko-soft:#3d1c24;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.28);color-scheme:dark}}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.5 var(--font);font-variant-numeric:tabular-nums;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:0 48px}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:20;background:var(--bg)}
main{max-width:620px;margin:0 auto}
h1,h2,h3{margin:0;font-weight:760;letter-spacing:-.018em;text-wrap:balance}
h2{font-size:1.15rem}
p{text-wrap:pretty}
.card{background:var(--card);border-radius:22px;padding:18px;margin:14px 0;box-shadow:var(--shadow)}
.small{font-size:.86rem;color:var(--muted)}
.hidden{display:none!important}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
a{color:var(--brand)}

/* ---------- Boutons ---------- */
button,.btn{font:inherit;font-weight:620;cursor:pointer;border:0;border-radius:16px;padding:14px 18px;min-height:52px;background:var(--soft);color:var(--ink);
  transition:transform .08s,opacity .2s,background .2s;display:inline-flex;align-items:center;justify-content:center;text-align:center;text-decoration:none;gap:8px}
button:active,.btn:active{transform:scale(.97)}
button.primary{background:var(--brand);color:var(--on-brand)}
button.accent{background:var(--accent);color:var(--on-accent)}
button.primary:disabled,button.accent:disabled{opacity:.35;cursor:not-allowed}
button.ghost{background:transparent;color:var(--muted);font-weight:520}
button.link{background:none;min-height:0;padding:8px 0;color:var(--muted);font-size:.9rem;font-weight:520;text-decoration:underline}
.stack{display:grid;gap:10px;margin-top:14px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1;min-width:140px}

/* ---------- Champs ---------- */
input[type=text],input[type=password],input[type=tel],textarea{width:100%;font:inherit;font-size:1.1rem;padding:14px 16px;border-radius:16px;border:2px solid var(--line);background:var(--bg);color:var(--ink)}
input:focus,textarea:focus{outline:none;border-color:var(--brand)}
textarea{font-size:.8rem;line-height:1.45;resize:none;height:11em;padding:12px 14px}
label.lab{display:block;margin:0 0 8px;font-weight:650}

/* ---------- Barre d'app (portail et modules) ---------- */
.appbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:15;display:flex;align-items:center;gap:10px;padding:12px 0 10px;background:linear-gradient(var(--bg) 78%,transparent)}
.appbar .back{display:inline-flex;align-items:center;gap:6px;color:var(--ink);text-decoration:none;font-weight:650;font-size:.95rem;min-height:40px;padding:0 12px 0 8px;border-radius:12px;background:var(--card);box-shadow:var(--shadow)}
.appbar .ttl{flex:1;min-width:0;font-weight:700;font-size:.98rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sync{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;color:var(--muted);font-weight:560;white-space:nowrap}
.sync i{width:9px;height:9px;border-radius:50%;background:var(--muted);display:inline-block}
.sync[data-s=ok] i{background:var(--ok)}
.sync[data-s=pending] i{background:#e0a100}
.sync[data-s=offline] i{background:var(--muted)}
.sync[data-s=auth] i{background:var(--ko)}

/* ---------- Connexion ---------- */
.login{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:28px 0;max-width:460px;margin:0 auto}
.brandmark{display:flex;align-items:center;gap:12px;margin-bottom:34px}
.brandmark svg{width:44px;height:44px;flex:none}
.brandmark b{font-size:1.05rem;font-weight:760;letter-spacing:-.01em}
.login h1{font-size:2.3rem;line-height:1.05;margin-bottom:8px}
.login .sub{color:var(--muted);margin:0 0 24px}
.who{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.who button{flex:1 1 auto;min-width:96px;background:var(--card);box-shadow:var(--shadow);font-size:1.05rem}
.who button[aria-pressed=true]{background:var(--brand);color:var(--on-brand)}
.codewrap{position:relative;margin:6px 0 4px}
.codewrap input{position:absolute;inset:0;opacity:0;width:100%;height:100%;font-size:16px}
.dots{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.dots span{height:64px;border-radius:18px;background:var(--card);box-shadow:var(--shadow);border:2px solid transparent;display:grid;place-items:center;font-size:1.6rem;transition:border-color .15s}
.dots span.on::after{content:"";width:14px;height:14px;border-radius:50%;background:var(--ink)}
.dots span.cur{border-color:var(--brand)}
.msg{min-height:1.5em;margin:10px 0 0;font-weight:560}
.msg.err{color:var(--ko)}
.msg.info{color:var(--muted)}

/* ---------- Portail : sondeur ---------- */
.hello{padding:6px 0 4px}
.hello h1{font-size:2rem;line-height:1.08}
.hello p{margin:6px 0 0;color:var(--muted)}
.sounder{background:radial-gradient(120% 90% at 50% 0%,var(--hero-2),var(--hero) 70%);color:var(--on-hero);border-radius:28px;padding:22px 18px 20px;margin:14px 0;position:relative;overflow:hidden}
.sounder::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:repeating-radial-gradient(circle at 50% 38%,transparent 0 22px,rgba(255,255,255,.035) 22px 23px)}
.sounder .dial{position:relative;width:min(78vw,276px);margin:0 auto;aspect-ratio:1}
.sounder svg{width:100%;height:100%;display:block;transform:rotate(-90deg)}
.sounder .track{fill:none;stroke:rgba(255,255,255,.1);stroke-width:15;stroke-linecap:round}
.sounder .val{fill:none;stroke-width:15;stroke-linecap:round;stroke-dasharray:var(--len);stroke-dashoffset:var(--len);animation:draw 1.1s cubic-bezier(.2,.8,.2,1) .15s forwards}
@keyframes draw{to{stroke-dashoffset:var(--off)}}
.sounder .mid{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.sounder .mid b{font-size:3.1rem;line-height:.95;font-weight:800;letter-spacing:-.03em}
.sounder .mid span{font-size:.82rem;opacity:.8;margin-top:6px}
.legend{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:18px}
.legend div{background:rgba(255,255,255,.07);border-radius:14px;padding:9px 10px;min-width:0}
.legend i{display:block;width:100%;height:4px;border-radius:2px;background:var(--c);margin-bottom:7px}
.legend b{display:block;font-size:1.15rem;line-height:1.1}
.legend span{font-size:.74rem;opacity:.82;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.next{display:flex;gap:12px;align-items:center;background:var(--accent-soft);border-radius:18px;padding:14px 16px;margin:0 0 14px}
.next .ic{flex:none;width:40px;height:40px;border-radius:12px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;font-weight:800;font-size:1.2rem}
.next strong{display:block;line-height:1.25}
.next .small{color:var(--ink);opacity:.75}

.tile{display:block;text-decoration:none;color:inherit}
.tile.feat{background:var(--brand);color:var(--on-brand);border-radius:26px;padding:22px 20px 20px;margin:14px 0;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.tile.feat::after{content:"";position:absolute;right:-30px;bottom:-30px;width:150px;height:150px;border-radius:50%;border:18px solid rgba(255,255,255,.12)}
.tile.feat h2{font-size:1.45rem;line-height:1.1}
.tile.feat p{margin:6px 0 16px;opacity:.9;max-width:26ch}
.tile.feat .go{display:inline-flex;align-items:center;gap:8px;background:var(--card);color:var(--ink);border-radius:14px;padding:11px 16px;font-weight:700}
.tile.line{display:flex;align-items:center;gap:14px;background:var(--card);border-radius:20px;padding:16px;margin:10px 0;box-shadow:var(--shadow)}
.tile.line .ic{flex:none;width:46px;height:46px;border-radius:14px;background:var(--soft);display:grid;place-items:center;font-size:1.4rem;font-weight:800;color:var(--brand)}
.tile.line strong{display:block;line-height:1.2}
.tile.line .chev{margin-left:auto;color:var(--muted);font-size:1.3rem}
.tile.soon{opacity:.62;background:transparent;border:2px dashed var(--line);box-shadow:none}
.foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:26px}

/* ---------- Écran d'accueil d'un module ---------- */
.hero{background:var(--hero);color:var(--on-hero);border-radius:26px;padding:26px 22px;margin:6px 0 14px;position:relative;overflow:hidden}
.hero::after{content:attr(data-mark);position:absolute;right:12px;top:-18px;font-size:9rem;line-height:1;font-weight:800;opacity:.1}
.hero h1{font-size:1.9rem;line-height:1.1;position:relative}
.hero p{margin:10px 0 0;opacity:.92;position:relative}
.badge{display:inline-block;background:var(--accent);color:#2b0d08;border-radius:999px;padding:3px 12px;font-size:.78rem;font-weight:700;margin-bottom:12px;position:relative}
.tips{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.tips li{display:flex;gap:12px;align-items:flex-start}
.tips .ic{flex:none;width:38px;height:38px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-weight:800;color:var(--brand);font-size:1.15rem}
.hist{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.hist:first-of-type{border-top:0}
.hist button{min-height:42px;padding:8px 16px}
.gear{border:2px solid var(--accent);background:var(--accent-soft)}
.gear h2{font-size:1.15rem}
.gear p{margin:8px 0 0}
.chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:14px}
.chip{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--card);border-radius:14px;padding:12px 4px;font-weight:700;font-size:.82rem;text-align:center}
.chip b{font-size:1.5rem;line-height:1;color:var(--brand)}

/* ---------- Questions ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);padding:10px 0 8px}
.progress{height:10px;background:var(--line);border-radius:10px;overflow:hidden}
.progress div{height:100%;background:var(--brand);border-radius:10px;transition:width .35s}
.meta{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:8px;font-size:.85rem;color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--soft);border-radius:999px;padding:5px 12px;color:var(--ink);font-weight:620;font-size:.85rem;min-width:0}
.pill i{flex:none;width:9px;height:9px;border-radius:50%;background:var(--c,var(--brand));display:inline-block}
.cheer{margin:12px 0 0;font-weight:700;color:var(--brand)}
.how{display:flex;gap:10px;align-items:center;background:var(--accent-soft);border-radius:14px;padding:9px 12px;margin:0 0 16px;font-size:.84rem;font-weight:600;line-height:1.35}
.how>span:first-child{flex:none;font-size:1.2rem;line-height:1}
.how>span:last-child{min-width:0}
.qcard{padding:22px 20px}
.q{font-size:1.28rem;line-height:1.4;font-weight:700;margin:0 0 18px;letter-spacing:-.01em}
.field{display:flex;align-items:center;gap:12px}
.field input{font-size:1.5rem;font-weight:700;text-align:center;min-width:0}
.unit{color:var(--muted);white-space:nowrap;font-weight:600}
.hint{color:var(--muted);font-size:.82rem;margin:10px 0 0}
.keys{display:flex;gap:8px;margin-top:10px}
.keys button{flex:1;min-height:44px;padding:6px 0;font-size:1.2rem;font-weight:700}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;justify-content:flex-start;gap:14px;text-align:left;background:var(--bg);border:2px solid var(--line);font-weight:600;font-size:1.05rem}
.opt .k{flex:none;width:32px;height:32px;border-radius:10px;background:var(--soft);display:grid;place-items:center;font-size:.9rem;color:var(--muted)}
.opt.sel{border-color:var(--brand);background:var(--soft)}
.opt.sel .k{background:var(--brand);color:var(--on-brand)}
.opt.good{border-color:var(--ok);background:var(--ok-soft)}
.opt.bad{border-color:var(--ko);background:var(--ko-soft)}
.tw{overflow-x:auto;margin:0 0 18px}
table.t{border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);font-size:.95rem;width:100%}
table.t th,table.t td{padding:8px 10px;text-align:center;border-bottom:1px solid var(--line)}
table.t tr:last-child th,table.t tr:last-child td{border-bottom:0}
table.t th{background:var(--soft);font-weight:620}
.bar{position:sticky;bottom:0;z-index:5;padding:18px 0 calc(14px + env(safe-area-inset-bottom,0px));background:linear-gradient(to top,var(--bg) 72%,transparent);display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bar.one{grid-template-columns:1fr}
.bar button{white-space:nowrap;padding-left:10px;padding-right:10px}

/* ---------- Résultats (éval) ---------- */
.rhero{background:var(--hero);color:var(--on-hero);border-radius:26px;padding:24px 20px;margin:6px 0 14px;text-align:center}
.rhero .lab{opacity:.9;font-size:.9rem}
.rhero .big{font-size:2.9rem;font-weight:800;line-height:1.1;margin:4px 0 12px;letter-spacing:-.02em}
.scale{display:flex;gap:5px}
.scale span{flex:1;padding:7px 2px;border-radius:10px;background:rgba(255,255,255,.16);font-size:.72rem;font-weight:620}
.scale span.on{background:#fff;color:#0a2f3a}
.rhero p{margin:14px 0 0;font-size:.95rem}
.dcard{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:14px 0;border-top:1px solid var(--line);align-items:center}
.dcard:first-of-type{border-top:0}
.dcard .ic{width:44px;height:44px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-size:1.4rem;font-weight:800;color:var(--c);border-bottom:3px solid var(--c)}
.dcard .nm{font-weight:700}
.blocks{display:flex;gap:4px;margin:6px 0 4px;align-items:center}
.blocks span{flex:1;max-width:34px;height:8px;border-radius:4px;background:var(--line)}
.blocks span.on{background:var(--c)}
.blocks b{margin-left:8px;font-size:.8rem;color:var(--muted);white-space:nowrap}
.seq{font-size:.76rem;color:var(--muted)}
.prio{display:grid;gap:10px;margin-top:10px}
.prio div{display:flex;gap:12px;align-items:center;background:var(--soft);border-radius:14px;padding:12px 14px}
.prio .n{flex:none;width:28px;height:28px;border-radius:50%;background:var(--brand);color:var(--on-brand);display:grid;place-items:center;font-weight:800;font-size:.85rem}
details summary{cursor:pointer;font-weight:700;padding:4px 0}
.corr{border-top:1px solid var(--line);padding:12px 0;font-size:.93rem}
.corr .ko{color:var(--ko)}
.corr .good{color:var(--ok);font-weight:700}
.dA{--c:#4f6bed}.dB{--c:#0b8fc2}.dC{--c:#c27a06}.dD{--c:#0b8f63}.dE{--c:#d1397a}.dF{--c:#8a55e0}
@media (prefers-color-scheme:dark){.dA{--c:#8ea0ff}.dB{--c:#4cc3f0}.dC{--c:#f0b440}.dD{--c:#45d6a0}.dE{--c:#ff7eb0}.dF{--c:#b894ff}}

/* ---------- Module CCF ---------- */
.topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0}
.topic{display:flex;flex-direction:column;align-items:flex-start;gap:6px;background:var(--card);box-shadow:var(--shadow);border-radius:18px;padding:14px 12px;text-align:left;min-height:116px;font-weight:700;border:2px solid transparent}
.topic .dot{width:12px;height:12px;border-radius:50%;background:var(--c)}
.topic small{font-weight:560;color:var(--muted);font-size:.74rem;line-height:1.2}
.topic[aria-pressed=true]{border-color:var(--c)}
.topic .pc{margin-top:auto;font-size:1.35rem;line-height:1;color:var(--c)}
.tP{--c:#e8523e}.tS{--c:#0f8f84}.tR{--c:#c58a00}
@media (prefers-color-scheme:dark){.tP{--c:#ff8a78}.tS{--c:#5fd3c6}.tR{--c:#ffc857}}
.recall{border-radius:16px;background:var(--soft);padding:2px 14px;margin:0 0 16px}
.recall summary{padding:10px 0;font-size:.9rem;font-weight:650}
.recall .body{padding:0 0 12px;font-size:.92rem}
.math{font-family:var(--font);font-weight:620;background:var(--card);border-radius:10px;padding:2px 8px;white-space:nowrap}
.steps{display:flex;gap:6px;margin:0 0 14px}
.steps span{flex:1;height:6px;border-radius:3px;background:var(--line)}
.steps span.done{background:var(--c,var(--brand))}
.steps span.cur{background:var(--c,var(--brand));opacity:.5}
.fb{border-radius:18px;padding:14px 16px;margin:14px 0 0;font-size:.95rem}
.fb.ok{background:var(--ok-soft)}
.fb.ko{background:var(--ko-soft)}
.fb strong{display:block;margin-bottom:4px;font-size:1.02rem}
.fb.ok strong{color:var(--ok)}
.fb.ko strong{color:var(--ko)}
.fb .why{margin-top:6px}
.streak{display:flex;gap:5px;align-items:center}
.streak i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.streak i.ok{background:var(--ok)}
.streak i.ko{background:var(--ko)}
.table-sign{width:100%;border-collapse:collapse;text-align:center;font-weight:620;margin:6px 0 16px}
.table-sign td,.table-sign th{border:1px solid var(--line);padding:8px 4px;font-size:.9rem}
.table-sign th{background:var(--soft)}

/* ---------- Admin ---------- */
.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.kpi div{background:var(--card);border-radius:16px;padding:12px;box-shadow:var(--shadow)}
.kpi b{display:block;font-size:1.5rem;line-height:1.1}
.kpi span{font-size:.75rem;color:var(--muted)}
.bars{display:grid;gap:8px}
.bars .b{display:grid;grid-template-columns:minmax(96px,1.1fr) 1.3fr auto;gap:10px;align-items:center;font-size:.85rem}
.bars .b>b{white-space:nowrap;text-align:right;min-width:44px}
.bars .tr{height:10px;border-radius:5px;background:var(--line);overflow:hidden}
.bars .tr i{display:block;height:100%;background:var(--c,var(--brand));border-radius:5px}
.evrow{padding:10px 0;border-top:1px solid var(--line);font-size:.88rem}
.evrow:first-child{border-top:0}
.evrow .t{color:var(--muted);font-size:.76rem}
.tag{display:inline-block;border-radius:999px;padding:1px 9px;font-size:.72rem;font-weight:700;background:var(--soft)}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.tag.ko{background:var(--ko-soft);color:var(--ko)}

@media (max-width:380px){.sounder .mid b{font-size:2.6rem}.hello h1{font-size:1.75rem}.topics{gap:6px}.topic{padding:12px 10px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.sounder .val{stroke-dashoffset:var(--off)}}

/* ---------- Module Cours (leçons interactives) ---------- */
.lrow{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--card);box-shadow:var(--shadow);border-radius:18px;padding:14px 16px;margin:10px 0;font-weight:650;min-height:68px}
.lrow .n{flex:none;width:38px;height:38px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-weight:800;color:var(--c,var(--brand))}
.lrow.done .n{background:var(--c,var(--brand));color:var(--card)}
.lrow small{display:block;font-weight:540;color:var(--muted);font-size:.8rem;line-height:1.3}
.lrow .chev{margin-left:auto;color:var(--muted);font-size:1.3rem}
.lrow.soon{opacity:.6;box-shadow:none;border:2px dashed var(--line);background:transparent;cursor:default}
.thead{display:flex;align-items:center;gap:10px;margin:22px 0 2px}
.thead i{width:12px;height:12px;border-radius:50%;background:var(--c)}
.lcard h2{font-size:1.35rem;line-height:1.2;margin:0 0 12px}
.lcard p{margin:0 0 12px}
.lcard ul,.lcard ol{margin:0 0 6px;padding-left:1.2em}
.lcard li{margin:0 0 8px}
.lcard.keep{background:var(--accent-soft);border:2px solid var(--accent)}
.lcard .lab{font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--c,var(--brand));margin:0 0 6px}
.fx{background:var(--soft);border-radius:14px;padding:10px 14px;margin:0 0 12px;font-size:1.05rem;overflow-x:auto}
.fx .math{background:transparent;padding:0}
.sl{display:block;margin:10px 0}
.sl span{display:block;font-size:.9rem;font-weight:620;margin-bottom:4px}
.sl input[type=range]{width:100%;height:36px;accent-color:var(--c,var(--brand))}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 8px}
.seg button[aria-pressed=true]{background:var(--c,var(--brand));color:var(--card)}
.res{background:var(--soft);border-radius:14px;padding:10px 14px;margin:10px 0}
.stp{font-weight:760;color:var(--c,var(--brand));margin:12px 0 4px}
table.calc td,table.calc th{text-align:left}
table.calc td.rule{font-size:.85rem}
table.vt td,table.vt th{padding:10px 4px;font-size:.95rem;min-width:34px}
.plot{width:100%;height:auto;display:block;margin:8px 0;background:var(--bg);border-radius:14px}
.plot .ax{stroke:var(--muted);stroke-width:1.2}
.plot .tk{stroke:var(--muted);stroke-width:1}
.plot .tl{fill:var(--muted);font:11px var(--font)}
.plot .cv{fill:none;stroke:var(--c,var(--brand));stroke-width:3;stroke-linejoin:round}
.plot .mk{fill:var(--accent)}
.plot .ml{fill:var(--ink);font:700 12px var(--font)}
.plot .tg{stroke:var(--accent);stroke-width:3;stroke-linecap:round}
.plot .dt{fill:var(--accent);stroke:var(--card);stroke-width:2}
.plot .bp{fill:var(--ok-soft)}
.plot .bn{fill:var(--soft)}
.lnav{position:sticky;bottom:0;z-index:5;padding:18px 0 calc(14px + env(safe-area-inset-bottom,0px));background:linear-gradient(to top,var(--bg) 72%,transparent);display:grid;grid-template-columns:auto 1fr;gap:10px}
.lnav.one{grid-template-columns:1fr}
.lnav .alt{grid-column:1/-1}