:root{
  --bg:#0d0f13;--panel:#14171d;--panel2:#191d24;--line:#272c35;--text:#f5f7fb;--muted:#8e96a3;
  --accent:#f3ff5a;--accent2:#b9ff66;--danger:#ff6b7a;--ok:#75e6a4;--warn:#ffc66d;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}
body{min-height:100vh}
button,select{font:inherit}
button{cursor:pointer}
a{color:inherit}
.app-shell{min-height:100vh;display:grid;grid-template-columns:250px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;border-right:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column;background:#0b0d11}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.brand-mark{width:46px;height:46px;border-radius:12px;background:var(--accent);color:#101216;display:grid;place-items:center;font-weight:900;letter-spacing:-1px}
.brand-title{font-weight:800;font-size:16px}.brand-subtitle{font-size:12px;color:var(--muted);margin-top:3px}
.nav{display:grid;gap:6px;margin-bottom:26px}.nav-item{border:0;background:transparent;color:var(--muted);display:flex;justify-content:space-between;padding:11px 12px;border-radius:10px}
.nav-item:hover,.nav-item.active{background:var(--panel2);color:var(--text)}.nav-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);align-self:center}
.sidebar-section{border-top:1px solid var(--line);padding-top:18px;margin-top:8px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:10px;color:var(--muted);font-weight:800}
.segmented.vertical{display:grid;gap:6px;margin-top:10px}.segmented button{border:1px solid transparent;background:transparent;color:var(--muted);text-align:left;padding:9px 10px;border-radius:9px}
.segmented button:hover{color:var(--text)}.segmented button.active{background:var(--panel2);border-color:var(--line);color:var(--text)}
.filters{display:grid;gap:12px}.filters label{display:grid;gap:6px;font-size:12px;color:var(--muted)}select{width:100%;background:var(--panel);border:1px solid var(--line);color:var(--text);padding:9px 10px;border-radius:9px}
.sidebar-bottom{margin-top:auto}.target-card{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:14px;display:flex;align-items:center;justify-content:space-between}.target-card strong{display:block;font-size:24px;margin-top:2px}
.target-ring{width:34px;height:34px;border-radius:50%;border:5px solid var(--accent);border-right-color:var(--line)}.text-button{margin-top:10px;border:0;background:transparent;color:var(--muted);font-size:12px;padding:8px 0}
.main{min-width:0;padding:0 28px 32px}.topbar{height:92px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:24px}.topbar-leading{display:flex;align-items:center;gap:12px;min-width:0}.topbar-leading>div{min-width:0}.topbar h1{font-size:24px;margin:4px 0 0;letter-spacing:-.03em}
.top-actions{display:flex;gap:10px;align-items:center}.mini-stat{background:var(--panel);border:1px solid var(--line);padding:8px 12px;border-radius:10px;display:grid;gap:2px;min-width:96px}.mini-stat span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.mini-stat strong{font-size:15px}
.icon-button{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-size:20px}.icon-button:hover{border-color:#3a414c}
.view{display:none}.view.active{display:block}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px}
.practice-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px}.question-panel{min-width:0;overflow:hidden}.question-head,.solution-head{padding:18px 20px;display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line)}.question-kicker{font-size:12px;color:var(--muted);font-weight:700}.question-head h2,.solution-head h3{margin:4px 0 0;font-size:20px}
.badges{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.badge{font-size:10px;font-weight:800;padding:6px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}.badge.warn{color:#17191e;background:var(--warn);border-color:transparent}.badge.ok{color:#102016;background:var(--ok);border-color:transparent}
.pdf-wrap{height:calc(100vh - 190px);min-height:610px;background:#e7e7e7;position:relative}.pdf-wrap iframe{width:100%;height:100%;border:0;background:white}.pdf-fallback{position:absolute;left:10px;right:10px;bottom:10px;background:rgba(13,15,19,.94);border:1px solid #333944;border-radius:10px;padding:8px 10px;display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);backdrop-filter:blur(8px)}.pdf-fallback a{color:var(--text);text-decoration:none;font-weight:700}
.answer-panel{padding:18px;height:max-content;position:sticky;top:20px}.answer-head{display:flex;justify-content:space-between;align-items:flex-start}.answer-head h3{margin:4px 0 0;font-size:18px}.shortcut{font-size:10px;color:var(--muted);border:1px solid var(--line);padding:5px 7px;border-radius:7px}
.answer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:18px 0 14px}.answer-grid[data-count="9"]{grid-template-columns:repeat(3,1fr)}.answer-grid[data-count="10"]{grid-template-columns:repeat(5,1fr)}.answer-choice{aspect-ratio:1;border-radius:11px;border:1px solid var(--line);background:var(--panel2);color:var(--text);font-weight:800;font-size:17px}.answer-choice:hover{border-color:#49515d}.answer-choice.selected{outline:2px solid var(--accent);border-color:transparent}.answer-choice.correct{background:rgba(117,230,164,.14);border-color:var(--ok);color:var(--ok)}.answer-choice.wrong{background:rgba(255,107,122,.13);border-color:var(--danger);color:var(--danger)}
.feedback{border-radius:12px;padding:12px 13px;margin-bottom:14px;border:1px solid var(--line);font-size:13px;line-height:1.45}.feedback.correct{border-color:rgba(117,230,164,.45);background:rgba(117,230,164,.08)}.feedback.wrong{border-color:rgba(255,107,122,.45);background:rgba(255,107,122,.08)}.feedback strong{display:block;margin-bottom:3px}
.hidden{display:none!important}.answer-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.primary-button,.secondary-button{border-radius:10px;padding:11px 12px;font-weight:800;border:1px solid var(--line)}.primary-button{background:var(--accent);color:#111318;border-color:var(--accent)}.primary-button:hover{filter:brightness(.95)}.secondary-button{background:var(--panel2);color:var(--text)}.secondary-button:disabled{opacity:.4;cursor:not-allowed}
.session-card,.tip-card{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.session-row{display:flex;justify-content:space-between;font-size:12px}.session-row.subtle{color:var(--muted);margin-top:7px}.progress-track{height:6px;background:#20252d;border-radius:999px;overflow:hidden;margin:9px 0}.progress-track span{display:block;height:100%;width:0;background:var(--accent);border-radius:999px}.tip-card{display:grid;gap:5px}.tip-card strong{font-size:12px}.tip-card span{font-size:11px;color:var(--muted);line-height:1.45}
.solution-section{margin-top:20px;overflow:hidden}.solution-pdf{height:720px;min-height:500px}.solution-head{align-items:center}
.hero-card{padding:28px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(135deg,var(--panel),#181d1d)}.hero-card h2{font-size:32px;max-width:700px;line-height:1.06;letter-spacing:-.04em;margin:8px 0 10px}.hero-card p{color:var(--muted);max-width:720px;line-height:1.55;margin:0}.hero-card .primary-button{white-space:nowrap}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin:16px 0}.stat-card{padding:18px;display:grid;gap:4px}.stat-card span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.stat-card strong{font-size:28px}.stat-card small{color:var(--muted)}
.table-panel{padding:20px}.table-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:14px}.table-head h3{margin:4px 0 0}.muted{color:var(--muted);font-size:11px}.coverage-table{display:grid;gap:10px}.coverage-row{display:grid;grid-template-columns:190px repeat(20,minmax(26px,1fr));gap:5px;align-items:center}.coverage-label{font-size:12px;font-weight:700}.coverage-cell{height:28px;border-radius:6px;background:#1e232b;border:1px solid #282e38;display:grid;place-items:center;font-size:10px;color:#69717e}.coverage-cell.historical{border-color:#5f5225;color:var(--warn)}.coverage-cell.correct{background:rgba(117,230,164,.11);border-color:rgba(117,230,164,.3);color:var(--ok)}.coverage-cell.review{background:rgba(255,107,122,.08);border-color:rgba(255,107,122,.28);color:var(--danger)}
.empty-state{padding:50px 20px;text-align:center;color:var(--muted)}.empty-state strong{color:var(--text);display:block;font-size:20px;margin-bottom:6px}
@media(max-width:1100px){.app-shell{grid-template-columns:210px minmax(0,1fr)}.practice-grid{grid-template-columns:minmax(0,1fr) 290px}.stats-grid{grid-template-columns:repeat(2,1fr)}.coverage-row{grid-template-columns:180px repeat(20,28px);width:max-content}.coverage-table{overflow-x:auto}}
@media(max-width:600px){.app-shell{display:block}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:14px}.brand{margin-bottom:12px}.nav,.sidebar-section.filters,.sidebar-bottom{display:none}.segmented.vertical{grid-template-columns:repeat(2,1fr)}.sidebar-section{margin:0}.main{padding:0 12px 24px}.topbar{height:auto;padding:16px 0;gap:12px}.top-actions .mini-stat:first-child{display:none}.practice-grid{grid-template-columns:1fr}.answer-panel{position:static}.pdf-wrap{height:62vh;min-height:460px}.stats-grid{grid-template-columns:1fr 1fr}.hero-card{align-items:flex-start;flex-direction:column}.hero-card h2{font-size:27px}.coverage-row{grid-template-columns:165px repeat(20,26px)}}


/* Paper-separated navigation + manual picker */
.nav-item .nav-dot{background:#343a44}
.nav-item.active .nav-dot{background:var(--accent)}

.picker-panel{margin-bottom:20px;padding:18px 20px}
.picker-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:15px}
.picker-head h2{margin:4px 0 0;font-size:19px}
.picker-legend{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:10px}
.picker-legend span{display:flex;align-items:center;gap:6px}
.legend-swatch{width:12px;height:12px;border-radius:4px;border:1px solid var(--line);display:inline-block}
.legend-swatch.historical{background:rgba(255,198,109,.18);border-color:var(--warn);box-shadow:inset 0 0 0 1px rgba(255,198,109,.2)}
.legend-swatch.current{border:2px solid var(--accent);background:#20242b}
.question-picker{display:grid;gap:8px}
.picker-row{display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:center}
.picker-year{font-size:11px;font-weight:800;color:var(--muted)}
.picker-chips{display:grid;grid-template-columns:repeat(20,minmax(28px,1fr));gap:5px}
.picker-chip{
  position:relative;height:32px;min-width:0;border-radius:7px;border:1px solid var(--line);
  background:#1b1f26;color:#aeb5c0;font-size:11px;font-weight:800;padding:0;
  display:grid;place-items:center;transition:border-color .15s,background .15s,transform .15s;
}
.picker-chip:hover{border-color:#59616e;transform:translateY(-1px);color:var(--text)}
.picker-chip.current{outline:2px solid var(--accent);outline-offset:1px;color:var(--text);z-index:1}
.picker-chip.historical-wrong{
  background:rgba(255,198,109,.12);
  border-color:var(--warn);
  color:#ffe1ad;
  box-shadow:inset 0 0 0 1px rgba(255,198,109,.09);
}
.picker-chip.historical-wrong.correct-here{background:linear-gradient(135deg,rgba(255,198,109,.16),rgba(117,230,164,.08))}
.picker-chip.new-wrong:not(.historical-wrong){border-color:rgba(255,107,122,.62);background:rgba(255,107,122,.07)}
.picker-chip.correct-here:not(.historical-wrong):not(.new-wrong){border-color:rgba(117,230,164,.4);color:var(--ok)}
.picker-status{
  position:absolute;right:2px;top:1px;font-size:8px;line-height:1;font-weight:900;
  width:10px;height:10px;display:grid;place-items:center;
}
.historical-mark{color:var(--warn)}
.new-wrong-mark{color:var(--danger)}
.correct-mark{color:var(--ok)}
.picker-note{margin:12px 0 0;color:var(--muted);font-size:10px;line-height:1.45}

.badge.historical-badge{background:rgba(255,198,109,.13);border-color:var(--warn);color:#ffe1ad}
.badge.new-wrong-badge{background:rgba(255,107,122,.09);border-color:rgba(255,107,122,.55);color:#ff9aa4}

.hero-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.coverage-cell{font:inherit;padding:0;cursor:pointer}
.coverage-cell.historical{
  box-shadow:inset 0 0 0 2px var(--warn);
  border-color:var(--warn);
}
.coverage-cell.historical.correct{
  box-shadow:inset 0 0 0 2px var(--warn);
  border-color:var(--warn);
  background:linear-gradient(135deg,rgba(255,198,109,.09),rgba(117,230,164,.11));
  color:var(--ok);
}
.coverage-cell.historical:hover{filter:brightness(1.18)}

@media(max-width:1100px){
  .picker-panel{overflow-x:auto}
  .picker-head{min-width:680px}
  .question-picker{min-width:680px}
}
@media(max-width:780px){
  .picker-panel{padding:14px}
  .picker-head{align-items:flex-start;flex-direction:column;min-width:650px}
  .picker-chips{grid-template-columns:repeat(20,27px)}
  .question-picker{min-width:650px}
  .hero-actions{justify-content:flex-start}
}


/* Dashboard question cells are direct navigation buttons */
.coverage-cell{
  position:relative;
  cursor:pointer;
  transition:transform .14s,border-color .14s,background .14s,filter .14s;
}
.coverage-cell:hover{
  transform:translateY(-1px);
  border-color:#5d6674;
  background:#252b34;
}
.coverage-cell:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
.coverage-number{
  font-size:10px;
  font-weight:800;
  line-height:1;
}
.coverage-status{
  position:absolute;
  right:2px;
  top:2px;
  width:9px;
  height:9px;
  display:grid;
  place-items:center;
  font-size:7px;
  line-height:1;
  font-weight:900;
}
.historical-status{color:var(--warn)}
.review-status{color:var(--danger)}
.correct-status{color:var(--ok)}


/* Exact-question crops for multi-question PDF pages */
.question-viewer{
  overflow:auto;
}
.question-crop-view{
  display:block;
  width:100%;
  height:auto;
  min-height:100%;
  object-fit:contain;
  object-position:top center;
  background:#fff;
}


/* Whole-page A4 question view */
.question-panel{
  background:#111318;
}
.question-panel .question-viewer{
  width:min(100%, 640px);
  aspect-ratio:210 / 297;
  height:auto;
  min-height:0;
  margin:18px auto 22px;
  overflow:hidden;
  background:#d9dde3;
  border:1px solid #303640;
  border-radius:10px;
}
.question-panel .question-viewer iframe{
  display:block;
  width:100%;
  height:100%;
  min-height:0;
  border:0;
  background:#fff;
}
.question-panel .pdf-fallback{
  left:8px;
  right:8px;
  bottom:8px;
  padding:6px 8px;
  font-size:10px;
}
@media(max-width:780px){
  .question-panel .question-viewer{
    width:min(100%, 520px);
    height:auto;
    min-height:0;
    aspect-ratio:210 / 297;
    margin:12px auto 16px;
  }
}


/* Reliable whole-page A4 viewer: use a rendered page image, not the browser PDF plugin */
.question-panel .question-viewer{
  width:auto;
  max-width:100%;
  height:min(72vh, 760px);
  min-height:0;
  aspect-ratio:210 / 297;
  margin:18px auto 22px;
  overflow:hidden;
  background:#cfd3d8;
  border:1px solid #303640;
  border-radius:10px;
}
.question-page-image{
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
  background:#fff;
}
.question-panel .question-viewer .pdf-fallback{
  left:8px;
  right:8px;
  bottom:8px;
}
@media(max-width:780px){
  .question-panel .question-viewer{
    height:min(68vh, 680px);
    width:auto;
    max-width:100%;
    aspect-ratio:210 / 297;
    margin:12px auto 16px;
  }
}


/* Native in-app question cards: no embedded PDF viewer */
.question-panel .question-viewer{
  width:100%;
  height:auto;
  min-height:0;
  aspect-ratio:auto;
  margin:0;
  padding:26px;
  overflow:visible;
  background:#f4f4f2;
  border:0;
  border-radius:0 0 16px 16px;
}
.question-image-source{
  display:none;
}
.question-canvas{
  display:block;
  width:min(100%, 900px);
  height:auto;
  margin:0 auto;
  background:#fff;
  box-shadow:0 1px 0 rgba(0,0,0,.08);
}
.solution-viewer{
  padding:26px;
  background:#f4f4f2;
}
.solution-image-source{
  display:none;
}
.solution-canvas{
  display:block;
  width:min(100%, 900px);
  height:auto;
  margin:0 auto;
  background:#fff;
  box-shadow:0 1px 0 rgba(0,0,0,.08);
}
.solution-text{
  width:min(100%, 900px);
  margin:0 auto;
  padding:34px;
  border-radius:14px;
  background:#fff;
  color:#17191e;
}
.solution-text .eyebrow{color:#6b7280}
.solution-text strong{
  display:block;
  margin:8px 0 4px;
  font-size:42px;
  line-height:1;
}
.solution-text p{
  margin:12px 0 0;
  color:#59606b;
  font-size:13px;
  line-height:1.55;
}
@media(max-width:780px){
  .question-panel .question-viewer,
  .solution-viewer{
    width:100%;
    height:auto;
    min-height:0;
    aspect-ratio:auto;
    margin:0;
    padding:12px;
  }
}


/* Wrong-question colours: original = red forever, newly discovered = yellow */
.legend-swatch.historical{
  background:rgba(255,107,122,.18);
  border-color:var(--danger);
  box-shadow:inset 0 0 0 1px rgba(255,107,122,.18);
}
.legend-swatch.new-wrong{
  background:rgba(255,198,109,.18);
  border-color:var(--warn);
  box-shadow:inset 0 0 0 1px rgba(255,198,109,.18);
}
.picker-chip.historical-wrong{
  background:rgba(255,107,122,.12);
  border-color:var(--danger);
  color:#ffb3bc;
  box-shadow:inset 0 0 0 1px rgba(255,107,122,.1);
}
.picker-chip.historical-wrong.correct-here{
  background:linear-gradient(135deg,rgba(255,107,122,.16),rgba(117,230,164,.08));
}
.picker-chip.new-wrong:not(.historical-wrong){
  border-color:var(--warn);
  background:rgba(255,198,109,.1);
  color:#ffe1ad;
}
.picker-chip.new-wrong.correct-here:not(.historical-wrong){
  background:linear-gradient(135deg,rgba(255,198,109,.16),rgba(117,230,164,.08));
}
.historical-mark{color:var(--danger)}
.new-wrong-mark{color:var(--warn)}
.badge.historical-badge{
  background:rgba(255,107,122,.1);
  border-color:rgba(255,107,122,.68);
  color:#ffabb5;
}
.badge.new-wrong-badge{
  background:rgba(255,198,109,.1);
  border-color:rgba(255,198,109,.68);
  color:#ffe0a8;
}
.coverage-cell.historical{
  box-shadow:inset 0 0 0 2px var(--danger);
  border-color:var(--danger);
  color:var(--danger);
  background:rgba(255,107,122,.08);
}
.coverage-cell.historical.correct{
  box-shadow:inset 0 0 0 2px var(--danger);
  border-color:var(--danger);
  background:linear-gradient(135deg,rgba(255,107,122,.11),rgba(117,230,164,.09));
  color:var(--ok);
}
.coverage-cell.review:not(.historical){
  background:rgba(255,198,109,.1);
  border-color:rgba(255,198,109,.62);
  color:var(--warn);
}
.coverage-cell.review.correct:not(.historical){
  background:linear-gradient(135deg,rgba(255,198,109,.12),rgba(117,230,164,.08));
  border-color:var(--warn);
  color:var(--ok);
}
.historical-status{color:var(--danger)}
.review-status{color:var(--warn)}

/* 75-minute mock mode */
.mock-setup{display:grid;gap:16px}
.mock-hero,.mock-start-card,.mock-result-hero{
  padding:26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.mock-hero h2,.mock-result-hero h2{margin:6px 0 8px;font-size:30px;letter-spacing:-.035em}
.mock-hero p,.mock-start-card p,.mock-result-hero p{margin:0;color:var(--muted);line-height:1.5}
.mock-time-badge{
  min-width:130px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--panel2);
  text-align:center;
}
.mock-time-badge strong{display:block;font-size:28px;letter-spacing:-.04em}
.mock-time-badge span{display:block;margin-top:4px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.09em}
.mock-config-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mock-config-card,.mock-set-card,.mock-count-card,.mock-pace-card,.mock-review-card{padding:20px}
.mock-config-card h3,.mock-set-card h3,.mock-count-card h3,.mock-pace-card h3,.mock-start-card h3{margin:5px 0 12px}
.mock-choice-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mock-choice-row button{
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--panel2);
  color:var(--muted);
  padding:11px 12px;
  font-weight:800;
}
.mock-choice-row button.active{
  border-color:var(--accent);
  color:var(--text);
  box-shadow:inset 0 0 0 1px var(--accent);
}
.mock-helper{margin:10px 0 0;color:var(--muted);font-size:11px;line-height:1.45}
.mock-set-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.mock-set-actions{display:flex;gap:10px}
.text-button.compact{margin:0;padding:4px 0}
.mock-set-choices{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:9px;
  margin-top:15px;
}
.mock-set-option{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px;
  border:1px solid var(--line);
  border-radius:11px;
  background:var(--panel2);
  cursor:pointer;
}
.mock-set-option input{accent-color:var(--accent)}
.mock-set-option span{display:grid;gap:2px}
.mock-set-option strong{font-size:12px}
.mock-set-option small{font-size:10px;color:var(--muted)}
.mock-count-card{display:flex;align-items:center;justify-content:space-between;gap:20px}
.mock-count-card h3{margin-bottom:5px}
.mock-count-control{display:flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:flex-end}
.mock-count-control input{width:92px;background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:11px 12px;border-radius:10px;font:inherit;font-weight:900;text-align:center}
.mock-count-control span{font-size:12px;color:var(--muted);margin-right:4px}
.mock-pace-card{display:flex;align-items:center;justify-content:space-between;gap:20px}
.mock-pace-card h3{margin-bottom:5px}
.mock-pace-controls{display:grid;gap:10px;justify-items:end}
.mock-pace-inputs{display:flex;align-items:flex-end;gap:7px}
.mock-pace-inputs label{display:grid;gap:4px;justify-items:center}
.mock-pace-inputs input{width:74px;background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:11px 10px;border-radius:10px;font:inherit;font-weight:900;text-align:center;font-variant-numeric:tabular-nums}
.mock-pace-inputs label span{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.mock-pace-colon{font-size:22px;font-weight:900;line-height:42px;color:var(--muted)}
.mock-pace-presets{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.mock-pace-presets button{border:1px solid var(--line);border-radius:8px;background:var(--panel2);color:var(--muted);padding:7px 9px;font-size:10px;font-weight:800;font-variant-numeric:tabular-nums}
.mock-pace-presets button.active{border-color:var(--accent);color:var(--text);box-shadow:inset 0 0 0 1px var(--accent)}
.mock-start-card h3{margin-bottom:5px}
.mock-start-button{min-width:220px}
.mock-run-top{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  padding:14px 18px;
  margin-bottom:12px;
}
.mock-run-top>button{justify-self:end}
.mock-timer{
  min-width:128px;
  text-align:center;
  font-size:30px;
  font-weight:900;
  letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
}
.mock-timer.urgent{color:var(--danger)}
.mock-number-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(36px,1fr));
  gap:6px;
  padding:10px;
  margin-bottom:16px;
}
.mock-number{
  min-width:30px;
  height:32px;
  border:1px solid var(--line);
  border-radius:7px;
  background:var(--panel2);
  color:var(--muted);
  font-weight:800;
  font-size:11px;
}
.mock-number.answered{color:var(--text);border-color:#5b6471;background:#232831}
.mock-number.current{outline:2px solid var(--accent);outline-offset:1px;color:var(--text)}
.mock-answer-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.mock-answer-actions button:disabled{opacity:.35;cursor:not-allowed}
.mock-result-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.mock-review-card{margin-top:16px}
.mock-review-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:8px;
}
.mock-review-item{
  display:grid;
  grid-template-columns:36px 1fr;
  gap:10px;
  align-items:center;
  text-align:left;
  padding:10px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--panel2);
  color:var(--text);
}
.mock-review-item span:last-child{display:grid;gap:3px}
.mock-review-item small{color:var(--muted)}
.mock-review-number{
  width:32px;height:32px;border-radius:8px;display:grid;place-items:center;
  background:#20252d;font-weight:900;
}
.mock-review-item.correct{border:2px solid var(--ok)}
.mock-review-item.wrong{border:2px solid var(--danger)}
.mock-review-item.unanswered{border:0;opacity:.72}
@media(max-width:900px){
  .mock-config-grid{grid-template-columns:1fr}
  .mock-run-top{grid-template-columns:1fr auto}
  .mock-run-top>button{grid-column:1/-1;justify-self:stretch}
}
@media(max-width:620px){
  .mock-hero,.mock-start-card,.mock-result-hero{align-items:flex-start;flex-direction:column}
  .mock-count-card,.mock-pace-card{align-items:flex-start;flex-direction:column}
  .mock-count-control{justify-content:flex-start;width:100%}
  .mock-pace-controls{justify-items:start;width:100%}
  .mock-pace-presets{justify-content:flex-start}
  .mock-start-button{width:100%;min-width:0}
  .mock-number-grid{grid-template-columns:repeat(auto-fill,minmax(34px,1fr))}
  .mock-result-actions{justify-content:flex-start}
}

/* iPad / tablet layout: prioritise the question and make the sidebar optional */
@media(max-width:1180px){
  .main{padding:0 18px 30px}
  .topbar{height:auto;min-height:84px;padding:14px 0}
  .practice-grid{grid-template-columns:minmax(0,1fr)}
  .answer-panel{position:static}
  .question-panel .question-viewer,
  .solution-viewer{padding:14px}
  .question-canvas,
  .solution-canvas{width:100%;max-width:none}
  .answer-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
  .answer-grid[data-count="4"]{grid-template-columns:repeat(4,1fr)}
  .answer-grid[data-count="5"]{grid-template-columns:repeat(5,1fr)}
  .answer-grid[data-count="6"],
  .answer-grid[data-count="7"],
  .answer-grid[data-count="8"],
  .answer-grid[data-count="9"],
  .answer-grid[data-count="10"]{grid-template-columns:repeat(5,1fr)}
  .answer-choice{min-height:54px;aspect-ratio:auto}
}

@media(max-width:780px){
  .main{padding:0 10px 24px}
  .topbar{flex-wrap:wrap}
  .topbar-leading{width:100%}
  .topbar h1{font-size:21px}
  .top-actions{width:100%;justify-content:flex-end}
  .question-panel .question-viewer,
  .solution-viewer{padding:8px}
  .question-head,.solution-head{padding:14px}
}