:root {
  --ink: #271f35;
  --muted: #655d76;
  --paper: #f6f1fb;
  --panel: #fffafd;
  --line: #dfd3ee;
  --primary: #7c57b2;
  --primary-deep: #5f3c93;
  --primary-soft: #ece3fa;
  --secondary: #b26ca7;
  --accent: #8b6fd6;
  --lavender: #b4a0e8;
  --plum: #5a3d77;
  --success: #5f8f78;
  --success-deep: #3f6956;
  --success-soft: #e9f4ee;
  --success-border: #9bc4b0;
  --danger: #ad607b;
  --danger-deep: #7f4057;
  --danger-soft: #faeaf0;
  --danger-border: #d8a3b6;
  --shadow: 0 20px 48px rgba(77, 55, 112, .10);
  --radius: 24px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(180,160,232,.34), transparent 30%),
    radial-gradient(circle at bottom right, rgba(178,108,167,.16), transparent 28%),
    linear-gradient(rgba(246,241,251,.94), rgba(246,241,251,.94)),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(124,87,178,.035) 40px),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(124,87,178,.035) 40px);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }
button, select, textarea, input { font: inherit; }

svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-header {
  width: min(1180px, calc(100% - 32px));
  margin: 18px auto 0;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid rgba(95,60,147,.12);
  border-radius: 18px;
  background: rgba(255,250,253,.88);
  box-shadow: 0 10px 30px rgba(77,55,112,.06);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 12px;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  padding: 8px;
  display: grid;
  place-items: center;
  color: var(--panel);
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  border-radius: 13px;
}

.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: -.02em; }
.brand small { color: var(--muted); }

.text-link, .top-nav a {
  color: var(--primary-deep);
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover, .top-nav a:hover { text-decoration: underline; }
.top-nav { display: flex; gap: 20px; }

.landing-shell,
.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  max-width: 820px;
  padding: 110px 0 60px;
}

.hero h1,
.page-hero h1 {
  max-width: 900px;
  margin: 6px 0 18px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 8vw, 6.4rem);
  font-weight: 500;
  line-height: .96;
  letter-spacing: -.055em;
}

.hero p:not(.eyebrow),
.page-hero > div > p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.12rem;
}

.eyebrow {
  margin: 0;
  color: var(--secondary);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.year-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding-bottom: 90px;
}

.year-card {
  min-height: 440px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  color: var(--panel);
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}

.year-card::after {
  content: "";
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 50%;
  position: absolute;
  right: -65px;
  bottom: -65px;
}

.year-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 26px 60px rgba(77,55,112,.18);
}

.year-nine { background: linear-gradient(145deg, #7b60af, #60418e); }
.year-twelve { background: linear-gradient(145deg, #9b73d2, #754baa); }
.year-card .eyebrow { color: rgba(255,255,255,.72); }
.year-card h2 { margin: 16px 0 12px; font-size: 2rem; }
.year-card p { max-width: 520px; color: rgba(255,255,255,.82); }
.card-action { margin-top: auto; font-weight: 800; }

.card-icon {
  width: 72px;
  height: 72px;
  padding: 15px;
  margin-bottom: 42px;
  color: var(--panel);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 18px;
  background: rgba(255,255,255,.08);
}

.page-hero {
  padding: 85px 0 34px;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, .7fr);
  gap: 36px;
  align-items: end;
}

.page-hero h1 { font-size: clamp(3rem, 6vw, 5.2rem); }

.decorated-hero {
  position: relative;
}

.hero-mini-row {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.mini-stat {
  min-width: 150px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,250,253,.8);
  box-shadow: 0 10px 28px rgba(77,55,112,.05);
}

.mini-stat strong {
  display: block;
  color: var(--primary-deep);
  font-size: 1.45rem;
}

.mini-stat span {
  color: var(--muted);
  font-size: .92rem;
}

.hero-panel {
  padding: 24px;
  border: 1px solid rgba(95,60,147,.12);
  border-left: 5px solid var(--secondary);
  border-radius: 16px;
  background: rgba(255,250,253,.96);
  box-shadow: 0 12px 30px rgba(77,55,112,.07);
}

.hero-panel p { margin-bottom: 0; color: var(--muted); }

.visual-panel {
  position: relative;
  overflow: hidden;
}

.decorative-circuit {
  width: 100%;
  height: 110px;
  margin-bottom: 18px;
  position: relative;
}

.decorative-circuit::before,
.decorative-circuit::after {
  content: "";
  position: absolute;
  left: 0;
  right: 30px;
  height: 2px;
  background: linear-gradient(90deg, rgba(124,87,178,.2), rgba(178,108,167,.55));
}

.decorative-circuit::before { top: 30px; }
.decorative-circuit::after { top: 74px; }

.decorative-circuit span {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--lavender);
  box-shadow: 0 0 0 8px rgba(180,160,232,.14);
}

.decorative-circuit span:nth-child(1) { top: 25px; left: 24%; }
.decorative-circuit span:nth-child(2) { top: 69px; left: 54%; }
.decorative-circuit span:nth-child(3) { top: 25px; left: 84%; }

.hero-list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.section-block { padding: 30px 0; }
.section-heading h2, .checklist-card h2, .filter-panel h2, .practice-aside h2 {
  margin: 5px 0 20px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 500;
}

.simple-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.simple-summary > div {
  min-height: 210px;
  padding: 25px;
  border-right: 1px solid var(--line);
}

.simple-summary > div:last-child { border-right: 0; }

.simple-summary span {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: white;
  background: var(--primary);
  border-radius: 50%;
  font-weight: 800;
}

.module-grid {
  padding: 45px 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 20px;
}

.module-card {
  padding: 26px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 10px 25px rgba(77,55,112,.045);
}

.module-card h2 { margin: 15px 0 8px; color: var(--primary-deep); }
.module-card p, .module-card li { color: var(--muted); }
.module-card ul { padding-left: 19px; }
.module-card button { margin-top: auto; }
.module-number { color: var(--secondary); font-size: .82rem; font-weight: 900; letter-spacing: .12em; }

.checklist-card,
.notice-card {
  margin: 20px 0 80px;
  padding: 32px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--primary-deep), #7a56b8);
  color: white;
  box-shadow: var(--shadow);
}

.checklist-card .eyebrow { color: #e7d5ff; }
.checklist-card h2 { color: white; }
.checklist-card > div > p:not(.eyebrow) { color: rgba(255,255,255,.78); }

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
  margin-top: 24px;
}

.checklist label {
  padding: 14px 15px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  background: rgba(255,255,255,.06);
}

.checklist input { width: 19px; height: 19px; accent-color: #d8c1ff; }

.module-launcher {
  padding: 12px 0 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}

.launch-card {
  padding: 28px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,250,253,.92);
  box-shadow: 0 14px 34px rgba(77,55,112,.06);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.launch-card:hover,
.launch-card.active {
  transform: translateY(-4px);
  border-color: rgba(124,87,178,.45);
  box-shadow: 0 24px 44px rgba(77,55,112,.10);
}

.launch-card h2 {
  margin: 10px 0 8px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

.launch-card p:not(.eyebrow) {
  color: var(--muted);
  margin-bottom: 0;
}

.launch-icon {
  width: 62px;
  height: 62px;
  padding: 12px;
  color: var(--primary-deep);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(180,160,232,.4), rgba(178,108,167,.14));
  border: 1px solid rgba(124,87,178,.14);
}

.workspace-shell {
  padding: 10px 0 60px;
  display: grid;
  grid-template-columns: 280px minmax(0,1fr);
  gap: 24px;
  align-items: start;
}

.practice-aside,
.practice-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,250,253,.96);
  box-shadow: 0 14px 34px rgba(77,55,112,.06);
}

.practice-aside {
  padding: 24px;
  position: sticky;
  top: 100px;
}

.practice-aside label,
.answer-area label,
.formula-drawer label {
  display: block;
  margin: 16px 0 7px;
  font-weight: 800;
  color: var(--primary-deep);
}

.small-label {
  margin: 0 0 8px;
  color: var(--primary-deep);
  font-size: .86rem;
  font-weight: 800;
  letter-spacing: .02em;
}

.aside-block + .aside-block { margin-top: 14px; }

select, textarea, input {
  width: 100%;
  border: 1px solid #d4c7ea;
  border-radius: 11px;
  background: #fff;
  color: var(--ink);
}

select, input { padding: 11px 12px; }
textarea { padding: 14px; resize: vertical; min-height: 160px; }

textarea:focus, select:focus, input:focus {
  outline: 3px solid rgba(124,87,178,.15);
  border-color: var(--accent);
}

.pill-toggle {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill-button {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--primary-deep);
  font-weight: 700;
  cursor: pointer;
}

.pill-button.active {
  color: white;
  border-color: transparent;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
}

.primary-button,
.secondary-button,
.text-button {
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 800;
}

.primary-button {
  padding: 12px 16px;
  color: white;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
}

.secondary-button {
  padding: 11px 15px;
  color: var(--primary-deep);
  border: 1px solid #cebfe8;
  background: #fff;
}

.text-button {
  padding: 8px 0;
  color: var(--primary);
  background: transparent;
}

.progress-box {
  margin-top: 20px;
  padding-top: 18px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.progress-box strong { color: var(--primary-deep); font-size: 1.8rem; }

.purple-box {
  border-top: 1px solid rgba(124,87,178,.16);
}

.mini-note {
  margin-top: 18px;
  padding: 16px;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(180,160,232,.16), rgba(178,108,167,.08));
  border: 1px solid rgba(124,87,178,.12);
}

.mini-note strong { color: var(--primary-deep); }
.mini-note p { margin: 6px 0 0; color: var(--muted); }

.practice-panel { padding: 24px; }

.practice-topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-bottom: 16px;
}

.question-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: .85rem;
  font-weight: 700;
  flex-wrap: wrap;
}

.practice-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 18px;
}

.practice-grid.formula-open {
  grid-template-columns: minmax(0,1fr) minmax(300px, 340px);
}

.response-column,
.formula-drawer {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
}

.response-column {
  padding: 26px;
}

.response-column h2 {
  margin: 10px 0 16px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 500;
}

.question-prompt {
  padding: 20px;
  border-left: 4px solid var(--secondary);
  background: #faf5ff;
  border-radius: 0 12px 12px 0;
}

.question-prompt table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.question-prompt th, .question-prompt td { padding: 8px; border: 1px solid var(--line); text-align: left; }

.answer-area { margin-top: 24px; }

.mcq-options {
  display: grid;
  gap: 12px;
}

.mcq-option {
  width: 100%;
  padding: 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
}

.mcq-option:hover,
.mcq-option.selected {
  border-color: rgba(124,87,178,.45);
  background: rgba(180,160,232,.14);
}

.mcq-letter {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  color: white;
  background: var(--primary);
  border-radius: 50%;
  font-size: .86rem;
  font-weight: 800;
  flex-shrink: 0;
}

.calc-final-row {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 14px;
  margin-top: 14px;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hint-panel,
.feedback-panel,
.solution-panel,
.marker-cue-panel {
  margin-top: 24px;
  padding: 24px;
  border-radius: 18px;
}

.hint-panel {
  border: 1px solid #e3d4fb;
  background: #f9f5ff;
}

.feedback-panel {
  border: 1px solid #d8ccf4;
  background: #f6f2fd;
}

.feedback-panel.needs-work {
  border-color: #e2c5d9;
  background: #fff4fa;
}

.marker-cue-panel {
  border: 1px solid #d9d3ed;
  background: #fbf8ff;
}

.feedback-panel h3, .hint-panel h3, .marker-cue-panel h3 { margin: 5px 0 10px; }

.criteria-list {
  margin-top: 18px;
  display: grid;
  gap: 8px;
}

.criteria-item {
  padding: 12px 13px;
  border-radius: 12px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
}

.criteria-item.met { border-color: #c8b1ef; background: rgba(180,160,232,.16); }
.criteria-item .tick {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--secondary);
  font-size: .78rem;
  font-weight: 800;
}

.criteria-item.missing .tick {
  background: #b6adca;
}

.solution-panel {
  border: 1px solid #d6c9ee;
  background: #f9f5ff;
}

.solution-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.solution-panel h3 { margin: 5px 0 18px; color: var(--primary-deep); font-size: 1.7rem; }
.solution-panel ol { padding-left: 22px; }
.solution-panel code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #efe6fb;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.formula-drawer {
  padding: 22px;
  display: none;
  max-height: 980px;
  overflow: auto;
  position: sticky;
  top: 100px;
}

.practice-grid.formula-open .formula-drawer {
  display: block;
}

.formula-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.formula-header h3 {
  margin: 6px 0 0;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem;
  font-weight: 500;
}

.formula-categories {
  margin: 16px 0 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.formula-chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--primary-deep);
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
}

.formula-chip.active {
  color: white;
  border-color: transparent;
  background: var(--primary);
}

.formula-card {
  margin-bottom: 12px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(180,160,232,.1), rgba(255,255,255,.98));
}

.formula-card h4 {
  margin: 0 0 8px;
  color: var(--primary-deep);
  font-size: 1rem;
}

.formula-equation {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .96rem;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(124,87,178,.08);
  color: var(--plum);
  margin: 10px 0;
}

.formula-card p {
  margin: 6px 0;
  color: var(--muted);
}

.formula-card ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.official-link-card {
  margin-top: 18px;
  padding: 16px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--primary-soft), rgba(255,255,255,.9));
  border: 1px solid rgba(124,87,178,.15);
}

.exam-mode-panel {
  padding: 0 0 90px;
}

.exam-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}

.exam-card {
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255,250,253,.96);
  box-shadow: 0 12px 28px rgba(77,55,112,.05);
}

.exam-card h3 {
  margin-top: 0;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

.exam-card p, .exam-card li { color: var(--muted); }

.notice-card {
  margin-top: 0;
}

footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 25px 0 45px;
  color: var(--muted);
  font-size: .9rem;
  border-top: 1px solid rgba(124,87,178,.14);
}

@media (max-width: 980px) {
  .page-hero,
  .workspace-shell,
  .exam-card-grid { grid-template-columns: 1fr; }
  .module-launcher { grid-template-columns: 1fr; }
  .practice-aside { position: static; }
  .practice-grid.formula-open { grid-template-columns: 1fr; }
  .formula-drawer { position: static; max-height: none; }
}

@media (max-width: 820px) {
  /* On narrow screens the formula book becomes a full-width panel below the question. */
  .exam-layout.formula-open {
    grid-template-columns: minmax(0, 1fr);
  }

  .exam-layout.formula-open .exam-nav-panel,
  .exam-layout.formula-open .exam-question-panel,
  .exam-layout.formula-open .exam-formula-drawer {
    grid-column: 1;
  }

  .exam-layout.formula-open .exam-formula-drawer {
    grid-row: auto;
    position: static;
    max-height: none;
  }
}

@media (max-width: 900px) {
  .year-grid { grid-template-columns: 1fr; }
  .simple-summary { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .simple-summary > div:nth-child(2) { border-right: 0; }
  .simple-summary > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .module-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 620px) {
  .site-header { position: static; }
  .text-link, .top-nav { display: none; }
  .hero { padding-top: 70px; }
  .hero h1, .page-hero h1 { font-size: 3rem; }
  .page-hero { padding-top: 60px; }
  .simple-summary,
  .module-grid,
  .checklist,
  .calc-final-row { grid-template-columns: 1fr; }
  .simple-summary > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .simple-summary > div:last-child { border-bottom: 0; }
  .year-card { min-height: 390px; padding: 26px; }
  .practice-panel, .response-column, .formula-drawer { padding: 18px; }
  .question-meta, .practice-topbar { flex-direction: column; align-items: flex-start; }
}

/* Typeset mathematics used in the searchable formula drawer */
.math-formula {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .18em;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.12rem;
  line-height: 1.4;
}

.math-formula sub {
  font-size: .68em;
  line-height: 0;
  vertical-align: -.35em;
}

.math-formula sup {
  font-size: .68em;
  line-height: 0;
}

.fraction {
  display: inline-grid;
  grid-template-rows: auto auto;
  align-items: center;
  justify-items: center;
  min-width: 2.2em;
  margin: 0 .12em;
  vertical-align: middle;
  line-height: 1.05;
}

.fraction-top {
  width: 100%;
  padding: 0 .28em .16em;
  text-align: center;
  border-bottom: 1.5px solid currentColor;
}

.fraction-bottom {
  padding: .16em .28em 0;
  text-align: center;
}

.prefix-grid,
.logic-list {
  display: grid;
  gap: .42rem;
}

.logic-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.logic-list span,
.prefix-grid span {
  padding: .42rem .55rem;
  border-radius: 8px;
  background: rgba(124,87,178,.08);
}

.formula-pdf-link {
  display: inline-flex;
  margin-top: .45rem;
  padding: .7rem .9rem;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  font-weight: 800;
  text-decoration: none;
}

.math-line {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.04rem;
}

.mini-truth {
  width: auto !important;
  min-width: 220px;
  margin: 1rem auto 0 !important;
}


/* Year 12 responsive workspace refinements */
.purple-theme .site-header,
.year12-shell,
.purple-theme footer {
  width: min(1500px, calc(100% - clamp(24px, 4vw, 64px)));
}

.year12-shell .workspace-shell {
  grid-template-columns: clamp(235px, 18vw, 285px) minmax(0, 1fr);
  gap: clamp(18px, 2vw, 30px);
}

.year12-shell .practice-panel {
  min-width: 0;
  padding: clamp(16px, 1.8vw, 28px);
}

.year12-shell .practice-grid {
  min-width: 0;
}

.year12-shell .practice-grid.formula-open {
  grid-template-columns: minmax(620px, 1fr) minmax(360px, 430px);
  gap: clamp(16px, 1.6vw, 24px);
}

.year12-shell .response-column {
  min-width: 0;
  padding: clamp(20px, 2vw, 34px);
}

.year12-shell .response-column h2 {
  font-size: clamp(1.75rem, 2.2vw, 2.35rem);
}

.year12-shell textarea {
  min-height: clamp(190px, 29vh, 360px);
}

.year12-shell .question-prompt {
  overflow-x: auto;
}

.year12-shell .formula-drawer {
  min-width: 0;
  width: 100%;
  max-height: calc(100vh - 128px);
}

/* Multiple-choice answer states: sage green and dusty berry red */
.mcq-option {
  position: relative;
  transition: border-color .18s ease, background .18s ease, box-shadow .18s ease, transform .18s ease;
}

.mcq-option:not(:disabled):hover {
  transform: translateY(-1px);
}

.mcq-option:disabled {
  cursor: default;
  opacity: 1;
}

.mcq-option.answer-correct,
.mcq-option.answer-correct:hover {
  color: var(--success-deep);
  border-color: var(--success-border);
  background: var(--success-soft);
  box-shadow: 0 0 0 3px rgba(95,143,120,.10);
}

.mcq-option.answer-wrong,
.mcq-option.answer-wrong:hover {
  color: var(--danger-deep);
  border-color: var(--danger-border);
  background: var(--danger-soft);
  box-shadow: 0 0 0 3px rgba(173,96,123,.09);
}

.mcq-option.answer-correct .mcq-letter {
  background: var(--success);
}

.mcq-option.answer-wrong .mcq-letter {
  background: var(--danger);
}

.answer-result {
  margin-left: auto;
  padding: .28rem .58rem;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 850;
  letter-spacing: .02em;
  white-space: nowrap;
}

.answer-correct .answer-result {
  color: var(--success-deep);
  background: rgba(95,143,120,.14);
}

.answer-wrong .answer-result {
  color: var(--danger-deep);
  background: rgba(173,96,123,.13);
}

.feedback-panel.is-correct {
  border-color: var(--success-border);
  background: var(--success-soft);
}

.feedback-panel.is-correct .eyebrow,
.feedback-panel.is-correct h3 {
  color: var(--success-deep);
}

.feedback-panel.needs-work {
  border-color: var(--danger-border);
  background: var(--danger-soft);
}

.feedback-panel.needs-work .eyebrow,
.feedback-panel.needs-work h3 {
  color: var(--danger-deep);
}

.criteria-item.met {
  border-color: var(--success-border);
  background: var(--success-soft);
}

.criteria-item.met .tick {
  background: var(--success);
}

.criteria-item.missing {
  border-color: rgba(216,163,182,.72);
  background: rgba(250,234,240,.72);
}

.criteria-item.missing .tick {
  background: var(--danger);
}

@media (max-width: 1280px) {
  .purple-theme .site-header,
  .year12-shell,
  .purple-theme footer {
    width: min(1260px, calc(100% - 24px));
  }

  .year12-shell .workspace-shell {
    grid-template-columns: 238px minmax(0, 1fr);
    gap: 18px;
  }

  .year12-shell .practice-grid.formula-open {
    grid-template-columns: minmax(520px, 1fr) minmax(330px, 380px);
  }
}

@media (max-width: 1120px) {
  .year12-shell .workspace-shell {
    grid-template-columns: 1fr;
  }

  .year12-shell .practice-aside {
    position: static;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    align-items: end;
  }

  .year12-shell .practice-aside > .eyebrow,
  .year12-shell .practice-aside > h2,
  .year12-shell .progress-box,
  .year12-shell .mini-note {
    grid-column: 1 / -1;
  }

  .year12-shell .aside-block + .aside-block {
    margin-top: 0;
  }

  .year12-shell .practice-grid.formula-open {
    grid-template-columns: minmax(0, 1fr) minmax(330px, 390px);
  }
}

@media (max-width: 820px) {
  /* On narrow screens the formula book becomes a full-width panel below the question. */
  .exam-layout.formula-open {
    grid-template-columns: minmax(0, 1fr);
  }

  .exam-layout.formula-open .exam-nav-panel,
  .exam-layout.formula-open .exam-question-panel,
  .exam-layout.formula-open .exam-formula-drawer {
    grid-column: 1;
  }

  .exam-layout.formula-open .exam-formula-drawer {
    grid-row: auto;
    position: static;
    max-height: none;
  }
}

@media (max-width: 900px) {
  .year12-shell .practice-aside {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .year12-shell .practice-grid.formula-open {
    grid-template-columns: 1fr;
  }

  .year12-shell .formula-drawer {
    position: static;
    max-height: none;
  }
}

@media (max-width: 640px) {
  .purple-theme .site-header,
  .year12-shell,
  .purple-theme footer {
    width: calc(100% - 20px);
  }

  .year12-shell .practice-aside {
    grid-template-columns: 1fr;
  }

  .year12-shell .practice-topbar,
  .year12-shell .question-meta {
    align-items: stretch;
  }

  .year12-shell .top-actions,
  .year12-shell .top-actions .secondary-button {
    width: 100%;
  }

  .year12-shell .button-row > button {
    flex: 1 1 100%;
  }

  .answer-result {
    display: block;
    margin: .25rem 0 0 auto;
  }
}


/* Working full-exam mode */
.exam-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px;
  gap: 24px;
  align-items: center;
  margin-bottom: 24px;
}

.exam-heading-row > div > p:not(.eyebrow) {
  max-width: 880px;
  color: var(--muted);
}

.exam-mode-icon {
  width: 88px;
  height: 88px;
  padding: 18px;
  color: var(--primary-deep);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(180,160,232,.35), rgba(255,255,255,.92));
  box-shadow: 0 12px 30px rgba(77,55,112,.07);
}

.exam-card.live {
  border-color: rgba(124,87,178,.25);
}

.exam-card.future {
  opacity: .78;
}

.exam-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 14px 0 18px;
}

.exam-card-stats span {
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
  background: rgba(180,160,232,.12);
  border: 1px solid rgba(124,87,178,.11);
  font-size: .84rem;
}

.exam-card-stats strong {
  color: var(--primary-deep);
  font-size: 1rem;
}

.start-exam-button {
  width: 100%;
  margin-top: 8px;
}

.exam-source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 15px;
  font-size: .82rem;
  font-weight: 750;
}

.exam-source-links a {
  color: var(--primary-deep);
}

.exam-marking-note {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(180,160,232,.14), rgba(255,255,255,.9));
}

.exam-marking-note strong {
  color: var(--primary-deep);
}

.exam-marking-note p {
  margin: 5px 0 0;
  color: var(--muted);
}

.exam-app,
.exam-results {
  margin: 16px 0 90px;
}

.exam-toolbar {
  min-height: 82px;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 150px minmax(0,1fr) minmax(230px,auto);
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,250,253,.96);
  box-shadow: var(--shadow);
  position: sticky;
  top: 12px;
  z-index: 20;
  backdrop-filter: blur(14px);
}

.exam-toolbar-title {
  text-align: center;
}

.exam-timing {
  margin-top: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
}

.exam-phase-badge {
  padding: 6px 10px;
  color: var(--primary-deep);
  border: 1px solid rgba(124,87,178,.2);
  border-radius: 999px;
  background: var(--primary-soft);
  font-size: .8rem;
  font-weight: 850;
}

.exam-phase-badge.working {
  color: var(--success-deep);
  border-color: var(--success-border);
  background: var(--success-soft);
}

.exam-timer {
  color: var(--primary-deep);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 1.35rem;
  letter-spacing: .02em;
}

.exam-toolbar-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: .82rem;
}

.danger-text {
  color: var(--danger-deep);
}

.exam-phase-notice {
  margin-top: 16px;
  padding: 15px 18px;
  border: 1px solid rgba(124,87,178,.18);
  border-radius: 15px;
  color: var(--primary-deep);
  background: rgba(180,160,232,.14);
}

.start-working-button {
  margin: 12px 0 0 auto;
  display: block;
}

.exam-layout {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 230px minmax(0,1fr);
  gap: 20px;
  align-items: start;
}

.exam-layout.formula-open {
  grid-template-columns: 220px minmax(620px,1fr) minmax(340px,400px);
}

/* When the formula book is open, the official page and response stack inside
   the central column. This keeps every response control inside its panel. */
.exam-layout.formula-open .exam-question-workspace {
  grid-template-columns: minmax(0, 1fr);
}

.exam-layout.formula-open .exam-response-panel {
  position: static;
}

.exam-nav-panel,
.exam-question-panel,
.exam-formula-drawer {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,250,253,.97);
  box-shadow: 0 14px 34px rgba(77,55,112,.06);
}

.exam-nav-panel {
  padding: 18px;
  position: sticky;
  top: 108px;
}

.exam-nav-title > span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.4;
}

.exam-nav-group + .exam-nav-group {
  margin-top: 18px;
}

.exam-nav-heading {
  margin: 0 0 8px;
  color: var(--primary-deep);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.exam-nav-grid {
  display: grid;
  grid-template-columns: repeat(5,minmax(0,1fr));
  gap: 7px;
}

.exam-nav-button {
  aspect-ratio: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--primary-deep);
  background: white;
  font-size: .78rem;
  font-weight: 850;
  cursor: pointer;
  position: relative;
}

.exam-nav-button:hover,
.exam-nav-button.current {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(124,87,178,.1);
}

.exam-nav-button.current {
  color: #fff;
  background: var(--primary-deep);
}

.exam-nav-button.answered:not(.current) {
  border-color: #c2ace8;
  background: #eee5fb;
}

.exam-nav-button.flagged::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--secondary);
  position: absolute;
  top: 3px;
  right: 3px;
}

.exam-submit-button {
  width: 100%;
  margin-top: 20px;
}

.exam-question-panel {
  min-width: 0;
  padding: clamp(18px,2vw,30px);
}

.exam-question-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 18px;
}

.exam-question-heading h2 {
  margin: 4px 0 0;
  color: var(--primary-deep);
  font-family: Georgia,"Times New Roman",serif;
  font-size: clamp(2rem,3vw,3rem);
  font-weight: 500;
}

.exam-question-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-weight: 800;
}

#examFlagButton.active {
  color: white;
  border-color: transparent;
  background: var(--secondary);
}

.exam-question-workspace {
  display: grid;
  grid-template-columns: minmax(470px,1.08fr) minmax(390px,.92fr);
  gap: 18px;
  align-items: start;
}

.exam-paper-panel,
.exam-response-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: white;
}

.exam-paper-panel {
  padding: 14px;
}

.exam-paper-label {
  padding: 2px 2px 12px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: .8rem;
}

.exam-paper-label strong {
  color: var(--primary-deep);
}

#examPageImages {
  display: grid;
  gap: 14px;
}

.exam-page-button {
  width: 100%;
  padding: 0;
  border: 1px solid #ded7e9;
  border-radius: 12px;
  background: #f2eef7;
  overflow: auto;
  cursor: zoom-in;
}

.exam-page-image {
  width: 100%;
  height: auto;
  display: block;
}

.exam-page-button.zoomed {
  max-height: 88vh;
  cursor: zoom-out;
}

.exam-page-button.zoomed .exam-page-image {
  width: max(100%, 1180px);
  max-width: none;
}

.exam-response-panel {
  margin: 0;
  padding: 18px;
  position: sticky;
  top: 108px;
}

.exam-response-panel legend {
  padding: 0 8px;
  color: var(--primary-deep);
  font-family: Georgia,"Times New Roman",serif;
  font-size: 1.35rem;
  font-weight: 600;
}

.exam-response-panel:disabled {
  opacity: .72;
}

.exam-response-panel textarea {
  min-height: 260px;
}

.exam-textarea-label,
.exam-field-label {
  display: block;
  color: var(--primary-deep);
  font-weight: 800;
}

.exam-textarea-label > span,
.exam-field-label > span {
  display: block;
  margin-bottom: 7px;
}

.exam-mcq-grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 12px;
  min-width: 0;
}

.exam-response-panel,
.exam-response-panel > div,
.exam-mcq-grid,
.exam-field-grid,
.exam-field-row {
  max-width: 100%;
  min-width: 0;
}

.exam-response-panel input,
.exam-response-panel select,
.exam-response-panel textarea,
.exam-mcq-button {
  min-width: 0;
  max-width: 100%;
}

.exam-mcq-button {
  min-height: 82px;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--primary-deep);
  background: white;
  font-size: 1.4rem;
  font-weight: 900;
  cursor: pointer;
}

.exam-mcq-button:hover,
.exam-mcq-button.selected {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: 0 0 0 3px rgba(124,87,178,.1);
}

.exam-field-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 14px;
}

.exam-field-row {
  display: grid;
  grid-template-columns: minmax(0,1fr) 110px;
  gap: 8px;
}

.exam-field-row select {
  min-width: 0;
}

.exam-help-text {
  color: var(--muted);
  font-size: .86rem;
}

.exam-drawing-wrap {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}

.exam-drawing-header {
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: #faf7fe;
}

.exam-drawing-header p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: .76rem;
}

.exam-drawing-tools {
  display: flex;
  gap: 6px;
}

.exam-drawing-tools button {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--primary-deep);
  background: white;
  cursor: pointer;
  font-size: .78rem;
  font-weight: 800;
}

.exam-drawing-tools button.active {
  color: white;
  border-color: transparent;
  background: var(--primary);
}

.exam-drawing-canvas {
  width: 100%;
  height: 330px;
  display: block;
  background: white;
  touch-action: none;
}

.exam-bottom-nav {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.exam-formula-drawer {
  display: block;
  width: 100%;
  max-height: calc(100vh - 125px);
  position: sticky;
  top: 108px;
}

.exam-attribution {
  margin-top: 14px;
  padding: 0 4px;
  color: var(--muted);
  font-size: .72rem;
}

.results-hero {
  padding: clamp(24px,3vw,42px);
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 24px;
  color: white;
  background: linear-gradient(145deg,var(--primary-deep),#8564bd);
  box-shadow: var(--shadow);
}

.results-hero .eyebrow {
  color: #eadcff;
}

.results-hero h2 {
  margin: 5px 0 8px;
  font-family: Georgia,"Times New Roman",serif;
  font-size: clamp(2.2rem,4vw,4rem);
  font-weight: 500;
}

.results-hero p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(255,255,255,.78);
}

.result-score-ring {
  min-width: 180px;
  aspect-ratio: 1;
  display: grid;
  place-content: center;
  text-align: center;
  border: 2px solid rgba(255,255,255,.25);
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}

.result-score-ring strong {
  font-size: 1.8rem;
}

.result-score-ring span {
  color: #eadcff;
  font-weight: 800;
}

.result-sections {
  margin: 18px 0;
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 14px;
}

.result-section-card {
  padding: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: white;
}

.result-section-card span {
  color: var(--muted);
}

.result-section-card strong {
  color: var(--primary-deep);
  font-size: 1.15rem;
}

.results-actions {
  margin-bottom: 18px;
}

.result-question-list {
  display: grid;
  gap: 12px;
}

.result-question {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: white;
  overflow: hidden;
}

.result-question summary {
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--primary-deep);
  cursor: pointer;
  font-weight: 850;
  background: #fbf8ff;
}

.result-question-body {
  padding: 18px;
  border-top: 1px solid var(--line);
}

.result-type {
  margin-top: 0;
  color: var(--muted);
  font-size: .84rem;
}

.result-criteria {
  display: grid;
  gap: 8px;
}

.result-criterion {
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 24px minmax(0,1fr) 30px;
  gap: 10px;
  align-items: start;
  border: 1px solid var(--danger-border);
  border-radius: 12px;
  background: var(--danger-soft);
}

.result-criterion.met {
  border-color: var(--success-border);
  background: var(--success-soft);
}

.result-criterion input {
  width: 18px;
  height: 18px;
  accent-color: var(--success);
}

.result-criterion strong {
  color: var(--primary-deep);
  text-align: right;
}

.manual-review-note {
  margin-bottom: 0;
  padding: 12px 14px;
  color: var(--muted);
  border-radius: 12px;
  background: rgba(180,160,232,.12);
  font-size: .82rem;
}

@media (max-width: 1380px) {
  .exam-layout.formula-open {
    grid-template-columns: 210px minmax(540px,1fr) minmax(320px,360px);
  }

  .exam-question-workspace {
    grid-template-columns: minmax(430px,1.02fr) minmax(350px,.98fr);
  }
}

@media (max-width: 1240px) {
  /* Keep the formula book docked beside the exam instead of covering answers. */
  .exam-layout {
    grid-template-columns: 1fr;
  }

  .exam-layout.formula-open {
    grid-template-columns: minmax(0, 1fr) minmax(310px, 360px);
    align-items: start;
  }

  .exam-nav-panel {
    position: static;
    display: grid;
    grid-template-columns: minmax(0,1fr) auto;
    gap: 14px;
    align-items: end;
  }

  .exam-nav-title,
  #examQuestionNav {
    grid-column: 1 / -1;
  }

  .exam-nav-grid {
    grid-template-columns: repeat(11,minmax(34px,1fr));
  }

  .exam-submit-button {
    width: auto;
    margin: 0;
  }

  .exam-layout.formula-open .exam-nav-panel {
    grid-column: 1 / -1;
  }

  .exam-layout.formula-open .exam-question-panel {
    grid-column: 1;
    min-width: 0;
  }

  .exam-layout.formula-open .exam-formula-drawer {
    grid-column: 2;
    grid-row: 2;
    position: sticky;
    top: 108px;
    right: auto;
    bottom: auto;
    z-index: 2;
    width: 100%;
    max-height: calc(100vh - 125px);
    overflow: auto;
    box-shadow: 0 14px 34px rgba(77,55,112,.10);
  }

  /* The paper and response stack inside the remaining width. */
  .exam-layout.formula-open .exam-question-workspace {
    grid-template-columns: minmax(0, 1fr);
  }

  .exam-layout.formula-open .exam-response-panel {
    position: static;
  }
}

@media (max-width: 820px) {
  /* On narrow screens the formula book becomes a full-width panel below the question. */
  .exam-layout.formula-open {
    grid-template-columns: minmax(0, 1fr);
  }

  .exam-layout.formula-open .exam-nav-panel,
  .exam-layout.formula-open .exam-question-panel,
  .exam-layout.formula-open .exam-formula-drawer {
    grid-column: 1;
  }

  .exam-layout.formula-open .exam-formula-drawer {
    grid-row: auto;
    position: static;
    max-height: none;
  }
}

@media (max-width: 900px) {
  .exam-toolbar {
    position: static;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .exam-toolbar-actions {
    justify-content: center;
  }

  .exam-question-workspace {
    grid-template-columns: 1fr;
  }

  .exam-response-panel {
    position: static;
  }

  .exam-field-grid {
    grid-template-columns: 1fr;
  }

  .results-hero {
    flex-direction: column;
    text-align: center;
  }

  .result-sections {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .exam-heading-row {
    grid-template-columns: 1fr;
  }

  .exam-mode-icon {
    display: none;
  }

  .exam-question-heading,
  .exam-paper-label,
  .exam-drawing-header {
    flex-direction: column;
    align-items: stretch;
  }

  .exam-question-meta {
    align-items: stretch;
    flex-direction: column;
  }

  .exam-nav-grid {
    grid-template-columns: repeat(6,minmax(34px,1fr));
  }

  .exam-mcq-grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

  .exam-field-row {
    grid-template-columns: minmax(0,1fr) 94px;
  }

  .exam-bottom-nav {
    flex-direction: column;
  }

  .exam-bottom-nav button {
    width: 100%;
  }

  .exam-page-button.zoomed .exam-page-image {
    width: 980px;
  }
}

/* Student-facing Year 12 hero refresh */
.student-hero {
  align-items: center;
  padding-bottom: 46px;
}

.student-hero-copy {
  min-width: 0;
}

.student-hero .hero-lead {
  max-width: 700px;
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
}

.hero-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.student-hero-visual {
  min-width: 0;
}

.engineering-visual-stage {
  min-height: 430px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(124,87,178,.18);
  border-radius: 28px;
  background:
    radial-gradient(circle at 15% 18%, rgba(180,160,232,.22), transparent 28%),
    linear-gradient(145deg, rgba(255,250,253,.98), rgba(246,239,252,.96));
  box-shadow: 0 24px 60px rgba(77,55,112,.10);
  overflow: hidden;
  position: relative;
}

.engineering-visual-stage::after {
  content: "";
  position: absolute;
  inset: auto -80px -120px auto;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(124,87,178,.12);
  border-radius: 50%;
}

.engineering-hero-svg {
  width: 100%;
  height: auto;
  color: var(--primary-deep);
}

.engineering-hero-svg .blueprint-grid-lines {
  fill: none;
  stroke: rgba(124,87,178,.08);
  stroke-width: 1;
}

.engineering-hero-svg .visual-card-shape {
  fill: rgba(255,255,255,.9);
  stroke: rgba(124,87,178,.22);
  stroke-width: 2;
}

.engineering-hero-svg .mechanics-diagram,
.engineering-hero-svg .materials-diagram,
.engineering-hero-svg .control-diagram {
  fill: none;
  stroke: url(#lavenderLine);
  stroke-width: 4;
}

.engineering-hero-svg .accent-path,
.engineering-hero-svg .connector-path {
  fill: none;
  stroke: #b26ca7;
  stroke-width: 3;
}

.engineering-hero-svg .connector-path {
  stroke-dasharray: 7 9;
  opacity: .65;
}

.engineering-hero-svg .accent-dot {
  fill: #b26ca7;
  stroke: none;
}

.engineering-hero-svg .visual-labels {
  fill: #5f3c93;
  stroke: none;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
}

.exam-readiness-card {
  margin: -6px 12px 0;
  padding: 16px 18px;
  display: flex;
  gap: 14px;
  align-items: center;
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 18px;
  background: rgba(255,255,255,.88);
  position: relative;
  z-index: 1;
}

.exam-readiness-card strong {
  color: var(--primary-deep);
}

.readiness-line {
  width: 5px;
  align-self: stretch;
  border-radius: 999px;
  background: linear-gradient(var(--primary), var(--secondary));
}

.generated-paper-card {
  background:
    radial-gradient(circle at top right, rgba(180,160,232,.20), transparent 32%),
    rgba(255,250,253,.96);
}

/* Generated exam question rendering */
.generated-exam-prompt {
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, #fff, #fbf7ff);
}

.generated-exam-prompt h3 {
  margin: 0 0 16px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  font-weight: 500;
}

.generated-exam-prompt table {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
}

.generated-exam-prompt th,
.generated-exam-prompt td {
  padding: 9px 10px;
  border: 1px solid var(--line);
  text-align: left;
}

.generated-exam-options {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.generated-exam-option {
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.92);
}

.generated-exam-option > strong {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: white;
  border-radius: 50%;
  background: var(--primary);
}

.generated-exam-option table {
  margin: 0;
}

.exam-exit-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.exam-exit-actions .danger-text {
  color: var(--danger-deep);
}

.generated-result-solution {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(180,160,232,.10);
}

.generated-result-solution summary {
  color: var(--primary-deep);
  font-weight: 800;
  cursor: pointer;
}

@media (max-width: 1100px) {
  .student-hero {
    grid-template-columns: 1fr;
  }

  .student-hero-visual {
    max-width: 760px;
  }

  .engineering-visual-stage {
    min-height: 380px;
  }
}

@media (max-width: 700px) {
  .hero-action-row,
  .hero-action-row .hero-link-button {
    width: 100%;
  }

  .engineering-visual-stage {
    min-height: 0;
    padding: 14px;
  }

  .exam-readiness-card {
    margin: 0;
  }

  .exam-exit-actions {
    justify-content: center;
  }
}


/* Syllabus-aligned Unit 4 hero visual */
.visual-stage-heading {
  margin: 4px 10px 8px;
}

.visual-stage-heading strong {
  display: block;
  margin-top: 4px;
  color: var(--primary-deep);
  font-size: 1rem;
}

.syllabus-map-svg {
  margin-top: -2px;
}

.syllabus-map-svg .visual-card-shape {
  fill: rgba(255,255,255,.94);
}

.syllabus-map-svg .topic-card-one {
  stroke: rgba(178,108,167,.34);
}

.syllabus-map-svg .topic-card-two {
  stroke: rgba(124,87,178,.36);
}

.syllabus-map-svg .topic-card-three {
  stroke: rgba(121,91,173,.32);
}

.syllabus-map-svg .exam-destination-card {
  fill: rgba(95,60,147,.94);
  stroke: rgba(95,60,147,1);
  stroke-width: 2;
}

.syllabus-map-svg .topic-number-pills rect {
  fill: rgba(124,87,178,.12);
  stroke: rgba(124,87,178,.22);
}

.syllabus-map-svg .topic-number-pills text {
  fill: var(--primary-deep);
  stroke: none;
  font-size: 13px;
  font-weight: 900;
}

.syllabus-map-svg .society-icon,
.syllabus-map-svg .machines-icon,
.syllabus-map-svg .materials-icon {
  fill: none;
  stroke: url(#topicLavender);
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.syllabus-map-svg .topic-card-labels {
  fill: #5f3c93;
  stroke: none;
  font-size: 10.5px;
  font-weight: 900;
  letter-spacing: .08em;
}

.syllabus-map-svg .topic-card-subtext {
  fill: #7c718d;
  stroke: none;
  font-size: 10px;
  font-weight: 650;
}

.syllabus-map-svg .topic-route {
  fill: none;
  stroke: #9f73c8;
  stroke-width: 2.5;
  stroke-dasharray: 6 7;
  opacity: .72;
}

.syllabus-map-svg .exam-destination {
  fill: none;
  stroke: rgba(255,255,255,.92);
  stroke-width: 2;
}

.syllabus-map-svg .exam-destination text {
  fill: white;
  stroke: none;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .06em;
}

.syllabus-map-svg .exam-destination text:last-child {
  font-size: 9px;
  font-weight: 600;
  opacity: .82;
  letter-spacing: .03em;
}

.filter-help {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.45;
}

@media (max-width: 700px) {
  .visual-stage-heading {
    margin: 4px 4px 2px;
  }

  .syllabus-map-svg .topic-card-subtext {
    display: none;
  }
}


/* Cleaner student-facing banner */
.student-hero-visual {
  display: block;
}

.simple-hero-board {
  padding: clamp(22px, 2.1vw, 30px);
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(180,160,232,.18), transparent 38%),
    linear-gradient(145deg, rgba(255,250,253,.97), rgba(246,241,251,.96));
  box-shadow: 0 16px 34px rgba(77,55,112,.07);
}

.simple-hero-heading strong {
  display: block;
  margin-top: 4px;
  color: var(--primary-deep);
  font-size: clamp(1rem, 1.2vw, 1.08rem);
}

.simple-topic-row {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.simple-topic-card {
  min-height: 188px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(124,87,178,.17);
  border-radius: 22px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 10px 22px rgba(77,55,112,.05);
}

.simple-topic-number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--primary-deep);
  background: rgba(124,87,178,.11);
  border: 1px solid rgba(124,87,178,.18);
  font-weight: 900;
}

.simple-topic-card h3 {
  margin: 14px 0 10px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.1;
}

.simple-topic-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.simple-topic-card li + li {
  margin-top: 5px;
}

.simple-exam-flow {
  margin: 16px 2px 0;
  position: relative;
  display: grid;
  justify-items: center;
  gap: 10px;
}

.simple-exam-flow .flow-line {
  width: 84%;
  height: 0;
  border-top: 2px dashed rgba(159,115,200,.75);
}

.simple-exam-pill {
  padding: 14px 22px;
  border-radius: 999px;
  color: white;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  box-shadow: 0 10px 24px rgba(95,60,147,.18);
  font-weight: 850;
  text-align: center;
}

.exam-readiness-card {
  margin-top: 18px;
}

@media (max-width: 980px) {
  .simple-topic-row {
    grid-template-columns: 1fr;
  }
  .simple-topic-card {
    min-height: 0;
  }
  .simple-exam-flow .flow-line {
    width: 100%;
  }
}

/* Exam cards and buttons */
.exam-card-grid {
  align-items: stretch;
}

.exam-card {
  display: flex;
  flex-direction: column;
}

.exam-source-links {
  margin-top: 10px;
  margin-bottom: 14px;
}

.start-exam-button {
  margin-top: auto;
  width: 100%;
}

/* Exam module/workspace switching */
.workspace-shell[hidden],
.exam-mode-panel[hidden],
.exam-app[hidden],
.exam-results[hidden] {
  display: none !important;
}

/* Keep formula panel attached to the question panel area */
.exam-layout {
  grid-template-columns: minmax(230px, 260px) minmax(0, 1fr);
  grid-template-areas: "nav question";
  align-items: start;
}

.exam-nav-panel {
  grid-area: nav;
}

.exam-question-panel {
  grid-area: question;
  min-width: 0;
}

.exam-formula-drawer {
  grid-area: formula;
}

.exam-layout.formula-open {
  grid-template-columns: minmax(230px, 260px) minmax(0, 1fr) minmax(300px, 360px);
  grid-template-areas: "nav question formula";
}

@media (max-width: 1180px) {
  .exam-layout.formula-open {
    grid-template-columns: minmax(220px, 250px) minmax(0, 1fr);
    grid-template-areas:
      "nav question"
      "nav formula";
  }

  .exam-layout.formula-open .exam-formula-drawer {
    position: static;
    max-height: none;
  }
}

@media (max-width: 860px) {
  .exam-layout,
  .exam-layout.formula-open {
    grid-template-columns: 1fr;
    grid-template-areas:
      "nav"
      "question"
      "formula";
  }

  .exam-nav-panel,
  .exam-question-panel,
  .exam-formula-drawer {
    grid-column: auto;
  }
}


/* --- Banner diagram refresh --- */
.visual-diagram-board {
  padding: clamp(18px, 2vw, 26px);
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(180,160,232,.18), transparent 35%),
    linear-gradient(145deg, rgba(255,250,253,.98), rgba(246,241,251,.96));
  box-shadow: 0 16px 34px rgba(77,55,112,.07);
}

.visual-diagram-header strong {
  display: block;
  margin-top: 4px;
  color: var(--primary-deep);
  font-size: clamp(1rem, 1.15vw, 1.08rem);
}

.unit4-diagram-svg {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 14px;
}

.unit4-diagram-svg .diag-grid path {
  fill: none;
  stroke: rgba(124,87,178,.08);
  stroke-width: 1;
}

.unit4-diagram-svg .diag-card {
  fill: rgba(255,255,255,.96);
  stroke: rgba(124,87,178,.2);
  stroke-width: 2;
}

.unit4-diagram-svg .diag-exam {
  fill: url(#lavenderStroke);
}

.unit4-diagram-svg .diag-pill circle {
  fill: rgba(124,87,178,.11);
  stroke: rgba(124,87,178,.18);
  stroke-width: 2;
}

.unit4-diagram-svg .diag-pill text,
.unit4-diagram-svg .diag-labels text,
.unit4-diagram-svg .diag-exam-copy text:first-of-type {
  fill: var(--primary-deep);
  font-weight: 800;
  letter-spacing: .03em;
}

.unit4-diagram-svg .diag-pill text { font-size: 18px; }
.unit4-diagram-svg .diag-labels text { font-size: 16px; }
.unit4-diagram-svg .diag-subtext text {
  fill: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.unit4-diagram-svg .diag-icon,
.unit4-diagram-svg .diag-flow,
.unit4-diagram-svg .diag-exam-copy path {
  fill: none;
  stroke: url(#lavenderStroke);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.unit4-diagram-svg .diag-exam-copy text {
  fill: white;
}

.unit4-diagram-svg .diag-exam-copy text:first-of-type {
  font-size: 18px;
}

.unit4-diagram-svg .diag-exam-copy text:last-of-type {
  fill: rgba(255,255,255,.9);
  font-size: 13px;
  font-weight: 700;
}

.hero-visual-caption {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.caption-chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(124,87,178,.16);
  background: rgba(255,255,255,.92);
  color: var(--primary-deep);
  font-size: .82rem;
  font-weight: 800;
}

.caption-chip.accent {
  background: rgba(124,87,178,.1);
}

@media (max-width: 740px) {
  .visual-diagram-board {
    padding: 14px;
  }
  .hero-visual-caption {
    justify-content: flex-start;
  }
}

/* --- Exam mode box fixes --- */
.exam-toolbar {
  grid-template-columns: auto minmax(0,1fr) auto;
}

.exam-exit-actions,
.exam-toolbar-actions {
  align-items: center;
}

.exam-exit-actions .text-button,
.exam-toolbar-actions .text-button,
.exam-toolbar-actions .secondary-button,
#examSaveStatus {
  white-space: nowrap;
}

.exam-question-heading {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: center;
  gap: 16px;
}

.exam-question-heading > div:first-child {
  min-width: 0;
}

.exam-question-heading h2 {
  font-size: clamp(2rem, 2.4vw, 2.85rem);
  line-height: 1.06;
}

.exam-question-meta {
  justify-self: end;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.exam-question-workspace {
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, .82fr);
  gap: 20px;
}

.exam-paper-panel {
  min-width: 0;
}

.exam-response-panel {
  min-width: 0;
  max-width: 100%;
}

.exam-response-panel legend {
  font-size: 1.2rem;
}

.exam-mcq-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
}

.exam-mcq-button {
  min-width: 0;
  min-height: 92px;
  font-size: clamp(1.2rem, 1.7vw, 1.5rem);
}

.exam-nav-panel {
  width: 100%;
  min-width: 0;
}

.exam-nav-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.exam-nav-button {
  aspect-ratio: 1 / 1;
  height: auto;
  min-height: 0;
}

@media (max-width: 1280px) {
  .exam-question-workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .exam-response-panel {
    position: static;
  }
}

@media (max-width: 920px) {
  .exam-toolbar {
    grid-template-columns: 1fr;
  }
  .exam-question-heading {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .exam-question-meta {
    justify-self: start;
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  .exam-nav-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}


/* --- Cleanup: student hero diagram --- */
.hero-map-card {
  padding: clamp(20px, 2.2vw, 28px);
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(180,160,232,.18), transparent 36%),
    linear-gradient(145deg, rgba(255,250,253,.98), rgba(246,241,251,.97));
  box-shadow: 0 14px 32px rgba(77,55,112,.07);
}

.hero-map-header h2 {
  margin: 4px 0 0;
  color: var(--primary-deep);
  font-size: clamp(1.55rem, 2vw, 2.1rem);
  line-height: 1.15;
}

.hero-topic-diagram {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.hero-topic-node {
  padding: 18px 16px 16px;
  position: relative;
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 24px;
  background: rgba(255,255,255,.94);
  text-align: center;
}

.hero-topic-badge {
  width: 38px;
  height: 38px;
  margin: 0 auto 10px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(124,87,178,.16);
  background: rgba(180,160,232,.12);
  color: var(--primary-deep);
  font-size: 1.2rem;
  font-weight: 800;
}

.hero-topic-icon {
  width: 84px;
  height: 84px;
  margin: 0 auto 10px;
  border-radius: 20px;
  background: rgba(124,87,178,.06);
  display: grid;
  place-items: center;
}

.hero-topic-icon svg {
  width: 58px;
  height: 58px;
  stroke: url(#unusedFallback);
}

.hero-topic-icon svg path,
.hero-topic-icon svg circle {
  fill: none;
  stroke: #8a63bd;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-topic-node h3 {
  margin: 0;
  color: var(--primary-deep);
  font-size: clamp(1.05rem, 1.45vw, 1.35rem);
  line-height: 1.18;
}

.hero-topic-node p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 700;
}

.hero-topic-flow {
  margin: 12px auto 0;
  max-width: 560px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.hero-topic-flow span {
  height: 30px;
  position: relative;
  display: block;
}

.hero-topic-flow span::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 22px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(182,107,167,.7), rgba(124,87,178,.8));
}

.hero-topic-flow span::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 19px;
  width: 0;
  height: 0;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 10px solid #8a63bd;
}

.hero-exam-node {
  margin: 0 auto;
  max-width: 360px;
  padding: 14px 18px;
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(135deg, #7c57b2, #9a66bf);
  color: white;
  box-shadow: 0 14px 28px rgba(96,66,148,.18);
}

.hero-exam-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255,255,255,.14);
  display: grid;
  place-items: center;
}

.hero-exam-icon svg {
  width: 28px;
  height: 28px;
}

.hero-exam-icon path {
  fill: none;
  stroke: white;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-exam-node strong {
  display: block;
  font-size: 1.05rem;
  letter-spacing: .02em;
}

.hero-exam-node p {
  margin: 2px 0 0;
  color: rgba(255,255,255,.88);
  font-size: .88rem;
  font-weight: 700;
}

.hero-loop-pill {
  margin-top: 16px;
  padding: 14px 18px;
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 999px;
  background: rgba(180,160,232,.12);
  color: var(--primary-deep);
  text-align: center;
  font-size: 1rem;
  font-weight: 800;
}

@media (max-width: 900px) {
  .hero-topic-diagram {
    grid-template-columns: 1fr;
  }
  .hero-topic-flow {
    max-width: 220px;
    gap: 12px;
  }
  .hero-loop-pill {
    border-radius: 24px;
  }
}

/* --- Cleanup: exam mode workspace --- */
.exam-layout {
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
}

.exam-question-panel {
  width: 100%;
  min-width: 0;
}

.exam-question-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.exam-question-heading h2 {
  margin-top: 6px;
  font-size: clamp(2rem, 2.1vw, 2.65rem);
}

.exam-question-meta {
  flex: 0 0 auto;
}

.exam-question-workspace {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
}

.exam-paper-panel {
  flex: 1 1 560px;
  min-width: 0;
}

.exam-response-panel {
  flex: 0 1 400px;
  width: min(100%, 400px);
  min-width: 280px;
  overflow: hidden;
  box-sizing: border-box;
}

.exam-mcq-grid {
  width: 100%;
}

.generated-exam-prompt,
.generated-exam-option,
.exam-response-panel,
.exam-paper-panel {
  box-sizing: border-box;
}

.generated-exam-prompt {
  position: relative;
  z-index: 0;
  overflow-wrap: anywhere;
}

#examPageImages,
#examResponseFields {
  width: 100%;
  min-width: 0;
}

@media (max-width: 1280px) {
  .exam-layout,
  .exam-layout.formula-open {
    grid-template-columns: 1fr;
  }

  .exam-nav-panel,
  .exam-formula-drawer {
    position: static;
  }

  .exam-question-workspace {
    flex-direction: column;
  }

  .exam-paper-panel,
  .exam-response-panel {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
  }

  .exam-response-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .exam-question-heading {
    flex-direction: column;
  }

  .exam-question-meta {
    width: 100%;
    justify-content: space-between;
  }

  .exam-nav-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}


/* Year 12 bridge hero visual */
.bridge-brand-mark {
  padding: 0;
  overflow: hidden;
  background: #7c57b2;
}

.bridge-brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.bridge-hero-visual {
  min-height: 430px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 28px;
  background: #f3ecfb;
  box-shadow: 0 16px 34px rgba(77,55,112,.08);
}

.bridge-hero-visual > img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  display: block;
  object-fit: cover;
  object-position: center;
}

.bridge-visual-badge {
  position: absolute;
  left: clamp(18px, 2vw, 28px);
  right: clamp(18px, 2vw, 28px);
  bottom: clamp(18px, 2vw, 28px);
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 18px;
  background: rgba(52,34,76,.78);
  color: white;
  box-shadow: 0 14px 28px rgba(47,31,69,.18);
  backdrop-filter: blur(10px);
}

.bridge-visual-badge span {
  display: block;
  margin-bottom: 3px;
  color: #e9d9ff;
  font-size: .74rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.bridge-visual-badge strong {
  display: block;
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.35;
}

@media (max-width: 1100px) {
  .bridge-hero-visual,
  .bridge-hero-visual > img {
    min-height: 360px;
  }
}

@media (max-width: 620px) {
  .bridge-hero-visual,
  .bridge-hero-visual > img {
    min-height: 300px;
  }

  .bridge-visual-badge {
    border-radius: 15px;
  }
}


/* ==========================================================================
   Year 9 Mechanical Vehicle Project
   ========================================================================== */

.year9-shell {
  width: min(1320px, calc(100% - 32px));
}

.year9-hero {
  padding: 78px 0 38px;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(440px, .94fr);
  gap: clamp(26px, 4vw, 58px);
  align-items: center;
}

.year9-hero h1 {
  margin: 7px 0 18px;
  max-width: 760px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.2rem, 6vw, 5.9rem);
  font-weight: 500;
  line-height: .97;
  letter-spacing: -.052em;
}

.year9-hero .hero-lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.14rem;
}

.year9-hero-note {
  max-width: 680px;
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid rgba(124,87,178,.15);
  border-left: 4px solid var(--secondary);
  border-radius: 14px;
  background: rgba(255,250,253,.82);
}

.year9-hero-note strong {
  color: var(--primary-deep);
}

.year9-hero-note p {
  margin: 4px 0 0;
  color: var(--muted);
}

.vehicle-challenge-visual {
  padding: 14px;
  border: 1px solid rgba(124,87,178,.15);
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(180,160,232,.2), transparent 38%),
    rgba(255,250,253,.96);
  box-shadow: 0 18px 42px rgba(77,55,112,.08);
}

.vehicle-challenge-visual svg {
  display: block;
}

.vehicle-grid path {
  fill: none;
  stroke: rgba(124,87,178,.07);
  stroke-width: 1;
}

.vehicle-body {
  fill: url(#vehicleBody);
  stroke: #5f3c93;
  stroke-width: 3;
}

.vehicle-window {
  fill: rgba(238,229,251,.96);
  stroke: #7c57b2;
  stroke-width: 3;
}

.vehicle-window-line,
.tow-link,
.trailer-rim,
.motion-lines path {
  fill: none;
  stroke: #7c57b2;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.vehicle-wheel {
  fill: #33293f;
  stroke: #5f3c93;
  stroke-width: 3;
}

.vehicle-hub {
  fill: #d9c8f1;
  stroke: #8b6fd6;
  stroke-width: 3;
}

.trailer-body {
  fill: #d6c2ee;
  stroke: #6f4da4;
  stroke-width: 3;
}

.challenge-callout rect {
  fill: rgba(255,255,255,.94);
  stroke: rgba(124,87,178,.2);
  stroke-width: 2;
}

.challenge-callout text {
  fill: var(--primary-deep);
  stroke: none;
  font-size: 17px;
  font-weight: 850;
}

.challenge-callout text:nth-of-type(2),
.challenge-callout text:nth-of-type(4) {
  fill: var(--muted);
  font-size: 15px;
}

.challenge-callout text:last-of-type {
  font-size: 14px;
}

.task-snapshot {
  padding: 10px 0 46px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 14px;
}

.task-snapshot article {
  padding: 18px;
  display: flex;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,250,253,.94);
  box-shadow: 0 10px 24px rgba(77,55,112,.05);
}

.snapshot-icon {
  min-width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  color: white;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  font-weight: 900;
}

.task-snapshot strong {
  color: var(--primary-deep);
}

.task-snapshot p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.year9-documents {
  margin-bottom: 48px;
  padding: clamp(24px, 3vw, 36px);
  display: grid;
  grid-template-columns: minmax(260px,.65fr) minmax(0,1.35fr);
  gap: 28px;
  border: 1px solid rgba(124,87,178,.14);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(255,250,253,.98), rgba(239,230,251,.84));
}

.year9-documents h2,
.assignment-overview h2,
.folio-guide-section h2,
.calculation-toolbox h2,
.standard-section h2,
.checkpoint-section h2,
.year9-warning-card h2 {
  margin: 5px 0 12px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 500;
}

.year9-documents > div > p:not(.eyebrow) {
  color: var(--muted);
}

.document-link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}

.document-link-grid a {
  padding: 18px;
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 16px;
  background: white;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease;
}

.document-link-grid a:hover {
  transform: translateY(-3px);
  border-color: rgba(124,87,178,.42);
}

.document-link-grid strong,
.document-link-grid span {
  display: block;
}

.document-link-grid strong {
  color: var(--primary-deep);
}

.document-link-grid span {
  margin-top: 4px;
  color: var(--muted);
  font-size: .88rem;
}

.checkpoint-section,
.assignment-overview,
.folio-guide-section,
.calculation-toolbox,
.standard-section {
  padding: 30px 0 44px;
}

.checkpoint-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 14px;
}

.checkpoint-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,250,253,.95);
}

.checkpoint-grid article > span {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--primary-deep);
  background: rgba(180,160,232,.18);
  font-size: .82rem;
  font-weight: 850;
}

.checkpoint-grid h3 {
  margin: 14px 0 7px;
  color: var(--primary-deep);
}

.checkpoint-grid p {
  margin: 0;
  color: var(--muted);
}

.checkpoint-grid .due-card {
  color: white;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  border-color: transparent;
}

.checkpoint-grid .due-card span {
  color: white;
  background: rgba(255,255,255,.16);
}

.checkpoint-grid .due-card h3,
.checkpoint-grid .due-card p {
  color: white;
}

.assignment-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}

.assignment-overview-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,250,253,.96);
}

.overview-number {
  color: var(--secondary);
  font-size: .8rem;
  font-weight: 900;
  letter-spacing: .14em;
}

.assignment-overview-grid h3 {
  margin: 12px 0 8px;
  color: var(--primary-deep);
  font-size: 1.35rem;
}

.assignment-overview-grid p {
  margin: 0;
  color: var(--muted);
}

.folio-guide-section .section-heading > p:last-child,
.calculation-toolbox .section-heading > p:last-child {
  max-width: 840px;
  color: var(--muted);
}

.folio-accordion {
  display: grid;
  gap: 12px;
}

.folio-accordion details {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,250,253,.97);
  box-shadow: 0 8px 22px rgba(77,55,112,.04);
  overflow: hidden;
}

.folio-accordion summary {
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 48px minmax(0,1fr);
  gap: 14px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.folio-accordion summary::-webkit-details-marker {
  display: none;
}

.folio-accordion summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: 700;
}

.folio-accordion details[open] summary::after {
  content: "–";
}

.folio-accordion summary {
  position: relative;
  padding-right: 64px;
}

.folio-step {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  font-size: .82rem;
  font-weight: 900;
}

.folio-accordion summary strong,
.folio-accordion summary small {
  display: block;
}

.folio-accordion summary strong {
  color: var(--primary-deep);
  font-size: 1.08rem;
}

.folio-accordion summary small {
  margin-top: 2px;
  color: var(--muted);
  font-size: .88rem;
}

.folio-detail-grid {
  padding: 0 20px 22px 82px;
  display: grid;
  grid-template-columns: minmax(0,1.2fr) minmax(280px,.8fr);
  gap: 24px;
}

.folio-detail-grid h3 {
  margin: 12px 0 7px;
  color: var(--primary-deep);
}

.folio-detail-grid p,
.folio-detail-grid li {
  color: var(--muted);
}

.folio-detail-grid ul {
  padding-left: 20px;
}

.folio-check-card {
  align-self: start;
  padding: 18px;
  border: 1px solid rgba(124,87,178,.16);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(180,160,232,.13), rgba(255,255,255,.9));
}

.folio-check-card h3 {
  margin-top: 0;
}

.formula-card-grid.year9-formulas {
  grid-template-columns: repeat(4, minmax(0,1fr));
}

.year9-formulas article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,250,253,.96);
}

.year9-formulas h3 {
  margin: 6px 0 10px;
  color: var(--primary-deep);
}

.year9-formulas p:last-child {
  color: var(--muted);
}

.stacked-frac {
  display: inline-grid;
  grid-template-rows: auto auto;
  text-align: center;
  line-height: 1.15;
}

.stacked-frac > span:first-child {
  padding: 0 5px 4px;
  border-bottom: 1.5px solid currentColor;
}

.stacked-frac > span:last-child {
  padding-top: 4px;
}

.evidence-chain {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 12px;
}

.evidence-chain article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: white;
}

.evidence-chain span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--primary);
  font-weight: 850;
}

.evidence-chain strong {
  display: block;
  margin-top: 13px;
  color: var(--primary-deep);
}

.evidence-chain p {
  margin-bottom: 0;
  color: var(--muted);
}

.standard-note {
  margin-top: 16px;
  padding: 20px;
  border-left: 4px solid var(--secondary);
  border-radius: 0 16px 16px 0;
  background: rgba(180,160,232,.12);
}

.standard-note strong {
  color: var(--primary-deep);
}

.standard-note p {
  margin-bottom: 0;
  color: var(--muted);
}

.year9-warning-card {
  margin: 20px 0 80px;
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(260px,.5fr) minmax(0,1.5fr);
  gap: 28px;
  align-items: center;
  border-radius: 22px;
  color: white;
  background: linear-gradient(145deg, var(--primary-deep), #7a56b8);
  box-shadow: var(--shadow);
}

.year9-warning-card .eyebrow {
  color: #e5d5fa;
}

.year9-warning-card h2 {
  margin-bottom: 0;
  color: white;
}

.year9-warning-card > p {
  margin: 0;
  color: rgba(255,255,255,.88);
}

@media (max-width: 1080px) {
  .year9-hero,
  .year9-documents,
  .year9-warning-card {
    grid-template-columns: 1fr;
  }

  .vehicle-challenge-visual {
    max-width: 780px;
  }

  .task-snapshot,
  .checkpoint-grid,
  .formula-card-grid.year9-formulas {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }

  .folio-detail-grid {
    grid-template-columns: 1fr;
  }

  .evidence-chain {
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
}

@media (max-width: 720px) {
  .year9-hero {
    padding-top: 58px;
  }

  .year9-hero h1 {
    font-size: 3.2rem;
  }

  .task-snapshot,
  .checkpoint-grid,
  .assignment-overview-grid,
  .document-link-grid,
  .formula-card-grid.year9-formulas,
  .evidence-chain {
    grid-template-columns: 1fr;
  }

  .folio-accordion summary {
    grid-template-columns: 42px minmax(0,1fr);
    padding-left: 14px;
    padding-right: 48px;
  }

  .folio-detail-grid {
    padding: 0 16px 18px;
  }

  .challenge-callout text {
    font-size: 15px;
  }
}


/* Year 9 generated towing visual */
.vehicle-image-visual {
  padding: 0;
  overflow: hidden;
  background: #f3ecfb;
}

.vehicle-image-visual img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  display: block;
  object-fit: cover;
  object-position: center;
}

@media (max-width: 1080px) {
  .vehicle-image-visual img {
    min-height: 360px;
  }
}

@media (max-width: 620px) {
  .vehicle-image-visual img {
    min-height: 290px;
  }
}


/* ==========================================================================
   Engineering Hub dashboard
   ========================================================================== */

.dashboard-shell {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
}

.dashboard-hero {
  padding: 82px 0 48px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  gap: clamp(28px, 4vw, 58px);
  align-items: end;
}

.dashboard-hero h1 {
  margin: 7px 0 18px;
  max-width: 860px;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.4rem, 7vw, 6.5rem);
  font-weight: 500;
  line-height: .96;
  letter-spacing: -.055em;
}

.dashboard-hero > div > p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.15rem;
}

.dashboard-hero-panel {
  padding: 24px;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  border: 1px solid rgba(124,87,178,.15);
  border-left: 5px solid var(--secondary);
  border-radius: 20px;
  background: rgba(255,250,253,.95);
  box-shadow: 0 14px 34px rgba(77,55,112,.07);
}

.dashboard-hero-panel strong {
  display: block;
  margin-top: 5px;
  color: var(--primary-deep);
  font-size: 1.03rem;
  line-height: 1.5;
}

.dashboard-symbol {
  width: 68px;
  height: 68px;
  padding: 13px;
  display: grid;
  place-items: center;
  border-radius: 19px;
  color: var(--primary-deep);
  background: linear-gradient(145deg, rgba(180,160,232,.34), rgba(178,108,167,.12));
  border: 1px solid rgba(124,87,178,.14);
}

.dashboard-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding-bottom: 48px;
}

.dashboard-year-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(124,87,178,.15);
  border-radius: 26px;
  background: rgba(255,250,253,.98);
  box-shadow: 0 18px 42px rgba(77,55,112,.08);
  text-decoration: none;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.dashboard-year-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,87,178,.38);
  box-shadow: 0 28px 58px rgba(77,55,112,.14);
}

.dashboard-card-image {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  background: #efe7fa;
}

.dashboard-card-image::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  background: linear-gradient(transparent, rgba(47,31,69,.36));
  pointer-events: none;
}

.dashboard-card-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  transition: transform .35s ease;
}

.dashboard-year-card:hover .dashboard-card-image img {
  transform: scale(1.025);
}

.dashboard-image-label {
  position: absolute;
  left: 20px;
  bottom: 18px;
  z-index: 1;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: 999px;
  color: white;
  background: rgba(54,35,78,.72);
  font-size: .75rem;
  font-weight: 850;
  letter-spacing: .09em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.dashboard-card-content {
  padding: clamp(24px, 3vw, 34px);
  display: flex;
  flex: 1;
  flex-direction: column;
}

.dashboard-card-heading {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: flex-start;
}

.dashboard-card-heading h2 {
  margin: 6px 0 0;
  color: var(--primary-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3vw, 2.65rem);
  font-weight: 500;
  line-height: 1.05;
}

.dashboard-card-icon {
  width: 60px;
  height: 60px;
  padding: 12px;
  flex: 0 0 60px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(124,87,178,.15);
  border-radius: 18px;
  color: var(--primary-deep);
  background: linear-gradient(145deg, rgba(180,160,232,.28), rgba(255,255,255,.88));
}

.dashboard-card-content > p {
  margin: 20px 0;
  color: var(--muted);
  font-size: 1rem;
}

.dashboard-feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.dashboard-feature-list span {
  padding: 8px 11px;
  border: 1px solid rgba(124,87,178,.13);
  border-radius: 999px;
  color: var(--primary-deep);
  background: rgba(180,160,232,.11);
  font-size: .82rem;
  font-weight: 750;
}

.dashboard-card-action {
  margin-top: auto;
  color: var(--primary-deep);
  font-size: 1.02rem;
  font-weight: 850;
}

.dashboard-card-action > span {
  display: inline-block;
  transition: transform .2s ease;
}

.dashboard-year-card:hover .dashboard-card-action > span {
  transform: translateX(5px);
}

.dashboard-note {
  margin: 2px 0 82px;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  border: 1px solid rgba(124,87,178,.14);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(180,160,232,.13), rgba(255,250,253,.95));
}

.dashboard-note-icon {
  width: 56px;
  height: 56px;
  padding: 10px;
  border-radius: 16px;
  color: var(--primary-deep);
  background: white;
  border: 1px solid rgba(124,87,178,.14);
}

.dashboard-note strong {
  display: block;
  margin-top: 4px;
  color: var(--primary-deep);
}

@media (max-width: 940px) {
  .dashboard-hero,
  .dashboard-card-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-hero-panel {
    max-width: 620px;
  }
}

@media (max-width: 620px) {
  .dashboard-hero {
    padding-top: 62px;
  }

  .dashboard-hero h1 {
    font-size: 3.25rem;
  }

  .dashboard-hero-panel,
  .dashboard-note {
    grid-template-columns: 1fr;
  }

  .dashboard-card-heading {
    gap: 14px;
  }

  .dashboard-card-icon {
    width: 52px;
    height: 52px;
    flex-basis: 52px;
  }

  .dashboard-card-image {
    aspect-ratio: 4 / 3;
  }
}


/* Year 9 independent assessment-support section */
.assessment-support-section {
  align-items: start;
}

.assessment-support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.assessment-support-grid article {
  padding: 18px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  border: 1px solid rgba(124,87,178,.15);
  border-radius: 16px;
  background: rgba(255,255,255,.94);
}

.assessment-support-grid strong {
  display: block;
  color: var(--primary-deep);
}

.assessment-support-grid p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.support-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: linear-gradient(145deg, var(--primary), var(--primary-deep));
  font-size: .75rem;
  font-weight: 900;
}

.section-support-copy {
  max-width: 760px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .assessment-support-grid {
    grid-template-columns: 1fr;
  }
}