/* rep.css — the guided-recall page wears the Paper Sim's skin (27 Oct 2026: "it looks so GPT coded, I want it estate
   looking"). Same tokens as template.html (house.css contract, dark default, light via data-theme), the paper's colour
   (--tool, set from the sim at load) as a line under the header; a plain title, cards and rows from the sim's home.
   Toned down 27 Oct ("the CSS is way too much"). */
:root{
  --bg0:hsl(225 33% 5%); --fg:hsl(225 31% 95%); --card:hsl(224 44% 10%);
  --onprimary:hsl(225 33% 5%);
  --muted:hsl(220 38% 13%); --muted-fg:hsl(218 19% 67%);
  --accent:hsl(219 40% 18%); --danger:hsl(0 84% 60%); --ok:hsl(158 64% 42%);
  --warn:hsl(38 92% 55%); --border:hsl(222 27% 19%); --radius:.625rem;
  --dur:200ms; --ease:cubic-bezier(.4,0,.2,1);
  --tool:#2563eb;
  --bg:color-mix(in srgb,var(--tool) 3%,var(--bg0));
  --tool-deep:color-mix(in srgb,var(--tool) 72%,#000);
  --primary:color-mix(in srgb,var(--tool) 70%,#fff);
}
:root[data-theme=light]{
  --bg0:hsl(214 47% 97%); --fg:hsl(222 47% 11%); --card:hsl(0 0% 100%);
  --onprimary:#fff; --muted:hsl(215 40% 93%); --muted-fg:hsl(220 12% 40%);
  --accent:hsl(216 45% 91%); --border:hsl(215 33% 89%); --warn:hsl(38 92% 40%); --ok:hsl(158 64% 32%);
  --primary:color-mix(in srgb,var(--tool) 88%,#000);
}
*{box-sizing:border-box;min-width:0}
body{margin:0;background:var(--bg);color:var(--fg);
  font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--primary)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ── header: plain, the paper's colour as a line under it ── */
header{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:10px 14px;
  background:var(--bg);border-bottom:2px solid var(--tool)}
header h1{font-size:1rem;margin:0;flex:1;font-weight:700;letter-spacing:-.01em}
header .d{color:var(--muted-fg);font-size:.8rem;white-space:nowrap}
header .back{text-decoration:none;white-space:nowrap}
@media(max-width:560px){
  header{display:grid;grid-template-columns:auto minmax(0,1fr);grid-auto-columns:auto;gap:0 8px;padding:8px 12px}
  header .back{grid-area:1/1/span 2/2}
  header h1{grid-area:1/2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  header .d{grid-area:2/2;white-space:normal;font-size:.76rem;line-height:1.3}
  header .btn{grid-row:1/span 2;padding:8px 10px;min-width:40px}
}
main{max-width:720px;margin:0 auto;padding:14px 14px 40px}
footer{max-width:720px;margin:0 auto;padding:0 18px 30px;color:var(--muted-fg);font-size:.75rem;line-height:1.5}

/* ── buttons, cards, chips ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  border:1px solid var(--border);background:var(--muted);color:var(--fg);
  border-radius:var(--radius);padding:10px 14px;font-weight:600;text-decoration:none;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.btn:hover{border-color:color-mix(in srgb,var(--primary) 55%,var(--border))}
.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--onprimary)}
.btn.ghost{background:transparent}
.btn.wide{width:100%;margin-top:8px}
.btn.sm{padding:6px 12px;font-size:.85rem}
.btn:disabled{opacity:.45;cursor:default}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin:0 0 12px}
.chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:4px 0 6px}
.chip{border:1px solid var(--border);border-radius:99px;padding:4px 11px;background:transparent;color:var(--fg);
  cursor:pointer;font-size:.8rem;font-weight:600;line-height:1.3}
.chip.on{background:var(--primary);border-color:var(--primary);color:var(--onprimary)}
.lsec{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-fg);margin:16px 4px 6px}
.muted{color:var(--muted-fg)}
.small{font-size:.82rem;line-height:1.45}

/* ── the title: the tool's name, plainly ── */
.idcard{margin:4px 2px 14px}
.idic{display:none}
.idtx small{display:block;font-size:.75rem;font-weight:600;color:var(--muted-fg)}
.idtx b{display:block;font-size:1.45rem;line-height:1.2;margin:2px 0 4px;font-weight:750;letter-spacing:-.01em}
.idtx>span{display:block;font-size:.88rem;color:var(--muted-fg);line-height:1.4}
.idtx .idwhen{display:inline-block;margin-top:6px;font-size:.8rem;font-weight:650;color:var(--primary)}

/* ── today: the pace to finish every piece by the day before the exam ── */
.today{background:color-mix(in srgb,var(--primary) 12%,var(--card));border-color:color-mix(in srgb,var(--primary) 45%,transparent)}
.today .k{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--primary)}
.nums{display:flex;gap:22px;margin:8px 0 4px}
.nums div{display:flex;flex-direction:column}
.nums strong{font-size:1.7rem;line-height:1.1;font-weight:800;font-variant-numeric:tabular-nums}
.nums strong i{font-style:normal;font-size:1rem;color:var(--muted-fg);font-weight:600}
.nums span{font-size:.76rem;color:var(--muted-fg)}
.bar{height:6px;border-radius:99px;background:var(--accent);overflow:hidden;margin:8px 0}
.bar i{display:block;height:100%;background:var(--ok);transition:width .25s}
.today .pace{font-size:.85rem;color:var(--muted-fg);margin:4px 0 2px;line-height:1.45}
.today .pace b{color:var(--fg)}

/* ── case rows ── */
.lrow{display:flex;align-items:center;gap:12px;width:100%;text-align:left;color:var(--fg);cursor:pointer;
  background:var(--card);border:1px solid var(--border);border-radius:12px;padding:8px 12px;margin:0 0 7px;
  transition:border-color var(--dur) var(--ease)}
.lrow:hover{border-color:color-mix(in srgb,var(--primary) 55%,var(--border))}
.lic{flex:0 0 40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1rem;color:var(--cc);background:color-mix(in srgb,var(--cc) 16%,transparent)}
.ltx{flex:1 1 auto;min-width:0}
.ltx b{display:block;font-size:.95rem;font-weight:650;line-height:1.3}
.ltx small{display:block;font-size:.78rem;color:var(--muted-fg);line-height:1.35;margin-top:1px}
.ltx .bar{height:4px;margin:6px 0 2px}
.ltx .bar i{background:var(--cc)}
.lch{flex:0 0 auto;color:var(--muted-fg);font-size:1.3rem;line-height:1}
.lrow.done .ltx b::after{content:' ✓';color:var(--ok)}

/* ── a piece ── */
.topline{display:flex;align-items:center;gap:10px;margin:0 0 10px}
.pips{display:flex;gap:4px;flex:1;justify-content:flex-end}
.pips i{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.pips i.on{background:var(--primary)}
.where{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 6px}
.tag{font-size:.72rem;font-weight:700;padding:2px 9px;border-radius:99px;color:var(--cc,var(--muted-fg));
  background:color-mix(in srgb,var(--cc,var(--muted-fg)) 15%,transparent)}
.tag.plain{color:var(--muted-fg);background:var(--accent)}
.tag.back{color:var(--warn);background:hsl(38 92% 55% / .15)}
.piece h2{font-size:1.15rem;line-height:1.3;margin:4px 0 2px}
.step{font-size:.8rem;font-weight:700;letter-spacing:.04em;color:var(--primary);margin:0 0 10px}
.stem{font-size:.95rem;line-height:1.5;margin:6px 0 8px;overflow-wrap:anywhere}
.stem img{max-width:100%;height:auto;display:block;margin:8px auto;background:#fff;padding:6px;border-radius:6px}
.stem table{display:block;overflow-x:auto;max-width:100%;border-collapse:collapse}
.stem td,.stem th{padding:6px;border:1px solid var(--border)}
.why{border-left:3px solid var(--primary);padding:2px 0 2px 12px;margin:10px 0;font-size:.92rem;line-height:1.5}
.why b{display:block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin-bottom:2px}
.hook{padding:9px 12px;background:hsl(38 92% 55% / .12);border-radius:8px;font-weight:650;font-size:.9rem;margin:10px 0;color:var(--fg)}
.facts{padding-left:24px;margin:10px 0}
.facts li{margin:8px 0;padding-left:3px;line-height:1.5}
.facts b{color:var(--primary)}
.fix{display:block;font-size:.78rem;color:var(--muted-fg);margin-top:3px}
.gap{display:inline-block;min-width:64px;border-bottom:2px solid var(--primary);background:var(--accent);border-radius:3px;margin:0 2px;height:1.2em;vertical-align:-2px}
.say{font-weight:650;margin:10px 0 4px}
.figure{margin:10px 0}
.figure img{max-width:100%;height:auto;display:block;margin:auto;background:#fff;padding:6px;border-radius:6px}
.figure figcaption{font-size:.72rem;color:var(--muted-fg);margin-top:4px;text-align:center}
.figure a{display:block}
.map{padding-left:22px;margin:8px 0}
.map li{margin:8px 0;line-height:1.5}
textarea{display:block;width:100%;min-height:96px;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--bg);color:var(--fg);padding:10px;resize:vertical;margin-top:6px}

/* folded extras: the full question, the source, the explanation again */
details.fold{margin:10px 0 0;border-top:1px solid var(--border);padding-top:8px}
details.fold>summary{cursor:pointer;font-size:.82rem;font-weight:650;color:var(--primary);list-style:none}
details.fold>summary::-webkit-details-marker{display:none}
details.fold>summary::before{content:'▸ '}
details.fold[open]>summary::before{content:'▾ '}
details.fold p,details.fold li{font-size:.86rem;line-height:1.5}
.source{font-size:.78rem;color:var(--muted-fg);overflow-wrap:anywhere}

/* ticking what you got */
.ticks{list-style:none;padding:0;margin:8px 0}
.ticks li{margin:0 0 6px}
.ticks label{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--border);border-radius:var(--radius);
  padding:10px 12px;cursor:pointer;background:var(--muted);line-height:1.5}
.ticks label:has(input:checked){border-color:var(--ok);box-shadow:inset 0 0 0 1px var(--ok)}
.ticks input{width:20px;height:20px;flex:0 0 20px;margin:2px 0 0;accent-color:var(--ok)}
.yours{white-space:pre-wrap;font-size:.9rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:10px;margin:6px 0}

/* closed questions: options and rows, marked like the sim */
.opt{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--border);border-radius:var(--radius);
  padding:10px 12px;margin:0 0 6px;cursor:pointer;background:var(--muted)}
.opt:has(input:checked){border-color:var(--primary);background:var(--accent)}
.opt input{margin-top:4px;flex:none;accent-color:var(--primary)}
.arow{margin:10px 0}
.arow label{display:block;font-size:.9rem;margin-bottom:4px}
.arow select,.arow input[type=text]{width:100%;padding:9px 10px;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:var(--radius)}
.arow output{display:block;font-size:.82rem;color:var(--muted-fg);margin-top:4px}
.mk{border:1px solid var(--border);border-left:3px solid var(--border);border-radius:var(--radius);padding:8px 12px;margin:0 0 6px;font-size:.9rem}
.mk.right{border-left-color:var(--ok)} .mk.wrong{border-left-color:var(--danger)}
.mk .v{font-weight:700;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase}
.mk.right .v{color:var(--ok)} .mk.wrong .v{color:var(--danger)}

/* the ladder: five numbered steps, done ones ticked green, the current one in the paper's colour */
.ladder{display:flex;align-items:center;margin:2px 0 10px}
.ladder span{flex:0 0 22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:.7rem;font-weight:800;background:var(--accent);color:var(--muted-fg)}
.ladder span.done{background:var(--ok);color:var(--onprimary)}
.ladder span.on{background:var(--primary);color:var(--onprimary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 30%,transparent)}
.ladder i{flex:1;height:2px;background:var(--accent);max-width:40px}
/* step 1: the key words loud (they earn the marks), the rest of the line quiet */
.facts.kw li{color:var(--muted-fg)}
.facts.kw b{color:var(--fg);background:color-mix(in srgb,var(--primary) 22%,transparent);border-radius:4px;padding:0 4px;
  box-decoration-break:clone;-webkit-box-decoration-break:clone}
textarea.kwbox{min-height:80px}

/* typed marking: blanks to fill, then each key word coloured hit or miss */
input.blank{font:inherit;font-weight:650;color:var(--primary);background:var(--bg);border:0;border-bottom:2px solid var(--primary);
  border-radius:4px 4px 0 0;padding:1px 6px;margin:0 2px;max-width:100%}
input.blank:focus{outline:none;background:var(--accent)}
.facts.cloze li{line-height:2.1}
b.hit{color:var(--ok)}
b.miss{color:var(--danger);text-decoration:underline wavy;text-decoration-thickness:1px;text-underline-offset:3px}
.ticks li.mk{display:flex;flex-direction:column;gap:4px;padding:10px 12px;line-height:1.5}
.ticks li.mk .btn{align-self:flex-start;margin-top:2px}

/* the drill after saving: today's hits in a row, and the run of days */
.drill{display:flex;gap:18px;flex-wrap:wrap;margin:6px 0 10px;padding:8px 12px;border-radius:var(--radius);background:var(--muted)}
.drill div{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--muted-fg)}
.dots{display:inline-flex;gap:4px}
.dots i{width:12px;height:12px;border-radius:50%;background:var(--accent);border:1px solid var(--border)}
.dots i.on{background:var(--ok);border-color:var(--ok)}

/* the verdict after saving */
.verdict{font-size:1.25rem;font-weight:800;margin:4px 0 6px;letter-spacing:-.01em}
.verdict.ok{color:var(--ok)} .verdict.help{color:var(--primary)} .verdict.no{color:var(--danger)}
.notice{border-left:3px solid var(--warn);padding:8px 12px;background:hsl(38 92% 55% / .1);font-size:.85rem;border-radius:0 var(--radius) var(--radius) 0}
.row2{display:flex;gap:8px;margin-top:8px}
.row2>.btn{flex:1;margin:0}
.tools{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 0}

@media(max-width:560px){
  .lrow{padding:7px 10px;margin-bottom:6px}
  .lic{flex-basis:36px;height:36px}
  .nums{gap:16px}
  .nums strong{font-size:1.5rem}
  .figure{margin:10px -6px}
}

/* ── Paper Sim port (27 Oct 2026): a fact may carry the question it answers (`ask`) — the lecturer's quiz questions
   recalled without their options, several to a card ── */
.ask{display:block;font-size:.85rem;color:var(--muted-fg);line-height:1.4;margin-bottom:2px}
.asks{padding-left:22px;margin:8px 0 10px}
.asks li{margin:6px 0;font-size:.93rem;line-height:1.45}
.tag.tool{color:var(--warn);background:hsl(38 92% 55% / .14)}