/* ============================================================
   exam-maker.css — the practice-paper builder (/exam-maker)
   App chrome reads the site tokens (so dark + accessible modes
   work); the paper sheet itself is a print preview and stays
   white-with-black-ink in every theme, like the PDF it becomes.
   ============================================================ */

.em-page {
  max-width: 1560px;
  margin: 0 auto;
  padding: 32px clamp(20px, 4vw, 60px) 80px;
}
@media (max-width: 640px) { .em-page { padding: 22px 16px 50px; } }

.em-wrap {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 26px;
  align-items: start;
  margin-top: 8px;
}
@media (max-width: 940px) { .em-wrap { grid-template-columns: 1fr; } }

/* ---------- under-construction sign ---------- */
.em-construction {
  display: inline-flex; align-items: center; gap: 12px;
  margin-top: 26px;
  justify-self: end;
  padding: 10px 16px 10px 11px;
  max-width: 58ch;
  background: var(--paper-white);
  border: 1.5px solid var(--ink);
  border-radius: 10px;
  box-shadow: 3px 3px 0 var(--riso-yellow), 4.5px 4.5px 0 var(--riso-pink);
  transform: rotate(-1.2deg);
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.03em; line-height: 1.5;
  color: var(--ink);
}
.em-construction .stripes {
  width: 28px; height: 28px; flex: none;
  border: 1.5px solid var(--ink); border-radius: 6px;
  background: repeating-linear-gradient(45deg, var(--riso-yellow) 0 6px, var(--ink) 6px 12px);
}
.em-construction b { color: var(--riso-pink-deep); }

/* ---------- control rail ---------- */
.em-rail { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 16px; }
@media (max-width: 940px) { .em-rail { position: static; } }

.em-card {
  background: var(--paper-white);
  border: 1.5px solid var(--ink);
  border-radius: 14px;
  box-shadow: 4px 4px 0 var(--riso-green);
  padding: 16px 18px;
}
.em-card + .em-card { box-shadow: 4px 4px 0 var(--riso-pink); }
.em-card h2 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--riso-green-deep);
  margin-bottom: 10px;
}
.em-card h2 + .seg, .em-card fieldset { margin-bottom: 14px; }
.em-card fieldset { border: 0; padding: 0; margin-left: 0; }

.seg { display: flex; border: 1.5px solid var(--ink); border-radius: 8px; overflow: hidden; background: var(--paper-white); }
.seg label { flex: 1; text-align: center; padding: 7px 4px; font-size: 13.5px; font-weight: 600; cursor: pointer; position: relative; }
.seg input { position: absolute; opacity: 0; }
.seg input:checked + span { display: block; margin: -7px -4px; padding: 7px 4px; background: var(--ink); color: var(--paper-white); }
.seg input:focus-visible + span { outline: 3px solid var(--riso-pink); outline-offset: -3px; }

/* Topics list: collapsible A–D theme groups */
.topic-group { border: 1.5px solid var(--ink); border-radius: 10px; background: var(--paper-white); margin-bottom: 8px; overflow: hidden; }
.topic-group > summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: center; gap: 9px;
  padding: 9px 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  text-transform: uppercase; font-weight: 700;
}
.topic-group > summary::-webkit-details-marker { display: none; }
.topic-group > summary::after { content: "▸"; margin-left: auto; font-size: 11px; color: var(--riso-pink-deep); }
.topic-group[open] > summary::after { content: "▾"; }
.topic-group .group-check { width: 15px; height: 15px; accent-color: var(--riso-green-deep); flex: none; }
.group-count { font-weight: 400; color: var(--ink-faint); letter-spacing: 0.02em; text-transform: none; }
.topic-group .opt { padding: 4px 12px; }
.topic-group .opt:last-child { padding-bottom: 10px; }

.opt { display: flex; align-items: center; gap: 9px; padding: 5px 0; font-size: 14px; cursor: pointer; }
.opt input { width: 16px; height: 16px; accent-color: var(--riso-pink-deep); flex: none; }
.opt .n { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); margin-left: auto; }
.topic-browse {
  border: 1px solid var(--ink); border-radius: 6px;
  background: var(--paper-white); color: var(--riso-pink-deep);
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.05em;
  padding: 2px 7px; cursor: pointer; flex: none;
}
.topic-browse:hover { background: var(--riso-pink); color: var(--ink); }

.slider-row { display: flex; align-items: center; gap: 12px; padding: 4px 0 10px; }
.slider-row input[type=range] { flex: 1; accent-color: var(--riso-green); }
.slider-row output { font-family: var(--font-mono); font-size: 12px; min-width: 62px; text-align: right; }

.em-btn[hidden] { display: none; }
.em-btn {
  display: block; width: 100%;
  border: 1.5px solid var(--ink); border-radius: 8px;
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  padding: 10px; cursor: pointer;
  background: var(--riso-pink); color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform 0.06s, box-shadow 0.06s;
}
.em-btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.em-btn:focus-visible { outline: 3px solid var(--riso-green); outline-offset: 2px; }
.em-btn.alt { background: var(--paper-white); color: var(--ink); margin-top: 9px; }
.em-btn + .em-btn { margin-top: 9px; }

.em-share { display: flex; gap: 8px; margin-top: 12px; }
.em-share input {
  flex: 1; min-width: 0; padding: 7px 9px;
  border: 1.5px solid var(--line-strong, var(--ink));
  border-radius: 8px; background: var(--paper);
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-dim);
}
.em-share button {
  border: 1.5px solid var(--ink); border-radius: 8px; background: var(--paper-white);
  font-family: var(--font-mono); font-size: 11px; padding: 0 10px; cursor: pointer; color: var(--ink);
}
.em-hint { font-size: 12.5px; color: var(--ink-dim); margin-top: 10px; line-height: 1.5; }

/* ---------- question picker (Pick mode) ---------- */
/* Pick mode: the picker takes over the desk column at full width;
   a sticky segmented toggle swaps between browsing the bank and the paper. */
.pick-viewbar {
  position: sticky; top: 12px; z-index: 40;
  margin-bottom: 16px;
  display: flex; justify-content: center;
}
.pick-viewbar .seg {
  min-width: min(480px, 100%);
  box-shadow: 3px 3px 0 var(--riso-pink);
  font-family: var(--font-mono); font-size: 12.5px;
}
.pick-viewbar .seg label { padding: 9px 10px; }
.pick-viewbar .seg input:checked + span { margin: -9px -10px; padding: 9px 10px; }

/* one-line contextual nudge under the view toggle */
.em-prompt {
  text-align: center;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
  margin: -6px 0 14px;
}
.em-prompt b { color: var(--riso-pink-deep); font-weight: 700; }
.sheet.view-hidden { display: none; }

.pick-summary-btns { display: flex; gap: 8px; }

/* keep the two native filter popups on brand: let the OS render them
   in the page's palette rather than defaulting to a light popup */
.pick-selects select { color-scheme: light; }
:root[data-theme="dark"] .pick-selects select { color-scheme: dark; }
.pick-selects option {
  font-family: var(--font-mono);
  background: var(--paper-white); color: var(--ink);
}

.pick-summary {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim);
  border-bottom: 1.5px dashed var(--ink); padding-bottom: 10px; margin-bottom: 10px;
}
.pick-summary b { color: var(--riso-pink-deep); }
.pick-summary button {
  border: 1.5px solid var(--ink); border-radius: 7px; background: var(--paper-white);
  font-family: var(--font-mono); font-size: 11px; padding: 4px 9px; cursor: pointer; color: var(--ink);
}

.pick-tools { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.pick-tools input[type=search] {
  width: 100%; padding: 8px 11px;
  border: 1.5px solid var(--ink); border-radius: 8px;
  background: var(--paper); color: var(--ink);
  font-family: var(--font-display); font-size: 13.5px;
}
.pick-tools input[type=search]:focus { outline: none; box-shadow: 0 0 0 2.5px var(--riso-pink); }
.pick-selects { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pick-selects select {
  width: 100%; padding: 6px 8px;
  border: 1.5px solid var(--ink); border-radius: 8px;
  background: var(--paper-white); color: var(--ink);
  font-family: var(--font-mono); font-size: 11px;
}
.pick-matchcount { font-family: var(--font-mono); font-size: 11px; color: var(--riso-pink-deep); }
.pick-row.flt-hidden, .pick-topic.flt-hidden, .pick-theme.flt-hidden { display: none; }

.pick-theme { margin: 14px 0 6px; }
.pick-theme:first-child { margin-top: 2px; }
.pick-theme > summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--riso-green-deep);
  padding: 5px 0; margin-bottom: 6px;
  border-bottom: 1px dashed var(--line, rgba(26, 58, 42, 0.25));
}
.pick-theme > summary::-webkit-details-marker { display: none; }
.pick-theme > summary::before { content: "▸"; font-size: 10px; color: var(--riso-pink-deep); }
.pick-theme[open] > summary::before { content: "▾"; }

.pick-topic { border: 1.5px solid var(--ink); border-radius: 10px; background: var(--paper-white); margin-bottom: 10px; overflow: hidden; }
.pick-topic > summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: baseline; gap: 8px;
  padding: 9px 12px;
  font-size: 13.5px; font-weight: 700;
}
.pick-topic > summary::-webkit-details-marker { display: none; }
.pick-topic > summary::before { content: "▸"; font-size: 11px; color: var(--riso-pink-deep); }
.pick-topic[open] > summary::before { content: "▾"; }
.pick-count { margin-left: auto; font-family: var(--font-mono); font-size: 10.5px; font-weight: 400; color: var(--riso-pink-deep); }

.pick-row {
  position: relative;
  padding: 7px 74px 7px 12px;
  border-top: 1px solid var(--line, rgba(26, 58, 42, 0.15));
}
.pick-row.lvl-hidden { display: none; }
.pick-eye {
  position: absolute; top: 9px; right: 44px;
  color: var(--ink-faint, #8a9a90);
  cursor: help; line-height: 0;
}
.pick-eye svg { width: 17px; height: 17px; }
.pick-eye:hover { color: var(--riso-pink-deep); }
@media (hover: none) { .pick-eye { display: none; } }

.pick-tick {
  position: absolute; top: 10px; right: 12px;
  width: 18px; height: 18px; margin: 0;
  accent-color: var(--riso-pink-deep);
  cursor: pointer;
}
.pick-row.picked { box-shadow: inset 3px 0 0 var(--riso-pink); background: color-mix(in srgb, var(--riso-pink) 6%, transparent); }
.pick-row details summary {
  cursor: pointer; list-style: none;
  display: flex; flex-direction: column; gap: 2px;
}
.pick-row details summary::-webkit-details-marker { display: none; }
.pick-stem { font-size: 13px; line-height: 1.4; }
.pick-chips { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em; color: var(--ink-faint); }
.pick-flag { display: none; font-family: var(--font-mono); font-size: 10px; color: var(--riso-pink-deep); }
.pick-row.picked .pick-flag { display: inline; }

/* rendered preview panel */
.pick-preview { margin-top: 8px; }
.pick-preview .mini-sheet {
  background: #fff; color: #1a1a1a;
  border: 1px solid #d8d3c5; border-radius: 4px;
  padding: 12px 14px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 13px; line-height: 1.45;
}
.pick-preview .mini-sheet .q { margin-bottom: 0; }
.pick-preview .mini-sheet .abox .ln { height: 18px; }
.pick-preview .mini-sheet .drawbox { max-height: 70px; }
.pick-preview .mini-sheet .fig { max-width: 340px; margin-left: 12px; }
.pick-preview .mini-sheet .qtable { margin-left: 12px; font-size: 12px; }
.pick-preview .mini-sheet .part { margin-left: 16px; }
.pick-preview .mini-sheet .abox { margin-left: 16px; }
.pick-preview .ms-peek { margin-top: 8px; }
.pick-preview .ms-peek > summary { cursor: pointer; font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-dim); list-style: none; }
.pick-preview .ms-peek > summary::before { content: "▸ "; color: var(--riso-green-deep); }
.pick-preview .ms-peek[open] > summary::before { content: "▾ "; }
.pick-preview .ms-peek .mini-sheet { margin-top: 5px; background: #fbf9f4; }
.pick-preview .mini-sheet .msq { margin-bottom: 0; font-size: 12.5px; }
.pick-btn {
  margin-top: 8px;
  border: 1.5px solid var(--ink); border-radius: 8px;
  background: var(--riso-pink); color: var(--ink);
  font-family: var(--font-display); font-weight: 700; font-size: 12.5px;
  padding: 6px 14px; cursor: pointer;
  box-shadow: 2px 2px 0 var(--ink);
}
.pick-btn:active { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--ink); }

/* hover peek: floating rendered question beside the compact list */
#hover-preview {
  position: fixed; right: 26px; z-index: 95;
  width: min(520px, 40vw);
  max-height: 76vh; overflow: hidden;
  background: var(--paper-white);
  border: 1.5px solid var(--ink); border-radius: 12px;
  box-shadow: 5px 5px 0 var(--riso-pink), 0 14px 30px rgba(0, 0, 0, 0.14);
  padding: 12px;
  pointer-events: none;
}
#hover-preview .mini-sheet {
  background: #fff; color: #1a1a1a;
  border: 1px solid #d8d3c5; border-radius: 4px;
  padding: 12px 14px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 13px; line-height: 1.45;
}
#hover-preview .mini-sheet .q, #hover-preview .mini-sheet .msq { margin-bottom: 0; }
#hover-preview .mini-sheet .abox .ln { height: 14px; }
#hover-preview .mini-sheet .drawbox { max-height: 60px; }
#hover-preview .mini-sheet .fig { max-width: 300px; margin-left: 12px; }
#hover-preview .mini-sheet .qtable { margin-left: 12px; font-size: 12px; }
#hover-preview .hp-ms { margin-top: 8px; }
#hover-preview .hp-ms .mini-sheet { background: #fbf9f4; font-size: 12px; }
#hover-preview .hp-ms-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-dim); margin-bottom: 4px;
}
@media (max-width: 940px) { #hover-preview { display: none; } }
.pick-row.picked .pick-btn { background: var(--paper-white); }

/* ---------- the sheet (print preview: fixed white/ink) ---------- */
.em-desk { min-width: 0; }
.sheet {
  background: #fff;
  color: #1a1a1a;
  border: 1px solid #d8d3c5;
  max-width: 780px; margin: 0 auto;
  padding: 46px 50px 54px;
  box-shadow: 0 2px 0 #d8d3c5, 10px 12px 0 rgba(45, 184, 118, 0.18), 11px 13px 0 rgba(255, 126, 182, 0.28);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 16.5px; line-height: 1.5;
}
@media (max-width: 640px) { .sheet { padding: 24px 18px; } }
.sheet .mono { font-family: var(--font-mono); font-size: 0.75em; letter-spacing: 0.04em; }

.thinbank {
  background: var(--paper);
  border: 1.5px dashed var(--riso-pink-deep);
  border-radius: 10px;
  font-family: var(--font-display); font-size: 13.5px;
  color: var(--ink); padding: 10px 14px; margin-bottom: 22px;
}
html:not([data-theme="dark"]) .sheet .thinbank { background: #fdf3f8; color: #1a1a1a; }
.thinbank p { margin: 2px 0; }

.cover { border: 1.5px solid #1a1a1a; padding: 18px 22px; margin-bottom: 28px; }
.cover .exam-title { font-family: var(--font-display); font-weight: 700; font-size: 27px; line-height: 1.15; }
.cover .exam-sub { font-style: italic; margin: 3px 0 14px; }
.cover .meta { display: flex; flex-wrap: wrap; gap: 5px 32px; font-size: 15px; border-top: 1px solid #1a1a1a; padding-top: 11px; margin-bottom: 12px; }
.cover .instr { font-size: 14.5px; margin: 0 0 14px 20px; }
.cover .instr li { margin-bottom: 2px; }
.cover .cand span { display: inline-block; border-bottom: 1px solid #1a1a1a; min-width: 16rem; }

.secthead { font-family: var(--font-display); font-weight: 700; font-size: 15px; letter-spacing: 0.02em; border-bottom: 2px solid #1a1a1a; padding-bottom: 4px; margin: 30px 0 6px; }
.rubric { font-size: 14px; font-style: italic; margin-bottom: 18px; }

.q { margin-bottom: 30px; break-inside: avoid; }

/* reorder gutter on the picked paper (screen only) */
.q.reorderable { position: relative; }
.q.reorderable .reorder {
  position: absolute; top: 0; left: -42px;
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  opacity: 0.22; transition: opacity 0.12s;
}
.q.reorderable:hover .reorder, .q.reorderable .reorder:focus-within { opacity: 1; }
.reorder button {
  border: 1px solid #b9b2a0; border-radius: 5px;
  background: #fbf9f4; color: #1a1a1a;
  font-size: 8.5px; line-height: 1; padding: 4px 6px; cursor: pointer;
}
.reorder button:disabled { opacity: 0.3; cursor: default; }
.reorder .ro-grip {
  cursor: grab; user-select: none; touch-action: none;
  font-size: 13px; color: #8a8272; padding: 2px 4px;
}
.reorder .ro-grip:active { cursor: grabbing; }
.q.dragging { opacity: 0.35; }
.q.drop-above { box-shadow: 0 -3px 0 #ff7eb6; }
.q.drop-below { box-shadow: 0 3px 0 #ff7eb6; }
@media (max-width: 640px) {
  .q.reorderable { padding-top: 28px; }
  .q.reorderable .reorder {
    left: auto; right: 0; top: 0;
    flex-direction: row; gap: 6px;
    opacity: 1;
  }
  .reorder button { padding: 4px 12px; }
}
.q .stem { display: flex; gap: 11px; }
.q .num { font-family: var(--font-display); font-weight: 700; min-width: 26px; }
.q .stem-body { flex: 1; min-width: 0; }
.q .stem-body p { margin-bottom: 8px; }
.q .marks { font-family: var(--font-display); font-weight: 600; font-size: 13.5px; white-space: nowrap; margin-left: auto; padding-left: 14px; }
.q ol.opts { list-style: upper-alpha; margin: 6px 0 0 62px; }
.q ol.opts li { margin-bottom: 3px; padding-left: 5px; }

.part { display: flex; gap: 10px; margin: 12px 0 3px 37px; }
.part .plabel { font-style: italic; min-width: 24px; }
.part .ptext { flex: 1; min-width: 0; }

.qtable { border-collapse: collapse; margin: 10px 0 6px 37px; font-size: 14.5px; }
.qtable th, .qtable td { border: 1px solid #1a1a1a; padding: 5px 12px; text-align: center; }
.qtable th { font-weight: 600; background: #f4f2ec; }

.fig { margin: 12px 0 4px 37px; max-width: 480px; }
.fig svg { width: 100%; height: auto; display: block; }
.fig img { width: 100%; height: auto; display: block; border: 1px solid #1a1a1a; }
.figcredit { font-size: 10.5px; color: #6d675a; margin-top: 3px; font-style: italic; }

/* bordered answer boxes with dotted lines, ~2 lines per mark */
.abox { border: 1px solid #1a1a1a; border-radius: 2px; margin: 8px 0 4px 37px; padding: 10px 12px 12px; }
.abox .ln { border-bottom: 1px dotted #8f897b; height: 27px; }
.abox .slot { display: flex; gap: 10px; align-items: flex-end; }
.abox .slot-label { font-size: 14.5px; padding-bottom: 3px; min-width: 22px; }
.abox .slot .ln { flex: 1; }
.drawbox { border: 1px solid #1a1a1a; border-radius: 2px; margin: 10px 0 4px 37px; }

.er .er-theme { font-style: italic; }

/* markscheme */
.ms { margin-top: 44px; border-top: 3px double #1a1a1a; padding-top: 22px; }
.ms h3 { font-family: var(--font-display); font-weight: 700; margin-bottom: 6px; }
.ms .msq { margin-bottom: 16px; font-size: 15px; }
.ms .mnum { font-family: var(--font-display); font-weight: 700; }
.ms .msstmt { font-family: var(--font-mono); font-size: 12px; color: #6d675a; }
.ms ul { margin: 2px 0 4px 38px; }
.ms li { margin-bottom: 3px; }
.ms .msparts > li { list-style: none; margin-left: -16px; }
.msmax { font-family: var(--font-display); font-size: 12.5px; font-weight: 600; }
.msnote { font-size: 13px; font-style: italic; color: #6d675a; margin: 2px 0 8px 38px; }

.sheet-foot { margin-top: 40px; font-size: 12px; color: #6d675a; border-top: 1px solid #d8d3c5; padding-top: 10px; }
.sheet-foot a { color: inherit; word-break: break-all; }
.sheet-foot .mono { font-size: 11px; }

.empty { font-family: var(--font-display); text-align: center; padding: 56px 16px; color: #6d675a; }
.empty b { color: var(--riso-pink-deep); }

/* ---------- print: only the paper, plain ink on A4 ---------- */
@media print {
  @page { size: A4; margin: 18mm; }
  html, body { background: #fff !important; }
  .topbar, .em-rail, footer, .skip-link, .em-head, .no-print, .a11y-controls,
  #picker-card, .pick-viewbar { display: none !important; }
  .em-wrap { display: block; margin: 0; }
  .sheet { border: 0; box-shadow: none; max-width: none; padding: 0; font-size: 11pt; display: block !important; }
  .ms { page-break-before: always; border-top: 0; padding-top: 0; }
  .q { page-break-inside: avoid; }
  .qtable th { background: #fff; }
  /* "Print markscheme only" */
  .print-ms-only .sheet > :not(.ms) { display: none; }
  .print-ms-only .ms { page-break-before: avoid; }
}