/* ==========================================================================
   RVThere Labs — Claude Architect course
   Shares the site's tokens and primitives; each domain re-points --accent so
   the seven lessons are colour-coded without forking the design system.
   ========================================================================== */

[data-domain="1"] { --accent: #E68A63; --accent-bright: #F2A986; --accent-wash: rgba(230,138,99,.11); --accent-line: rgba(230,138,99,.40); }
[data-domain="2"] { --accent: #5BA8E0; --accent-bright: #8AC4EF; --accent-wash: rgba(91,168,224,.11); --accent-line: rgba(91,168,224,.40); }
[data-domain="3"] { --accent: #58BE8F; --accent-bright: #86D6AF; --accent-wash: rgba(88,190,143,.11); --accent-line: rgba(88,190,143,.40); }
[data-domain="4"] { --accent: #B98BE8; --accent-bright: #D0B0F1; --accent-wash: rgba(185,139,232,.11); --accent-line: rgba(185,139,232,.40); }
[data-domain="5"] { --accent: #E8C558; --accent-bright: #F2DA8C; --accent-wash: rgba(232,197,88,.11); --accent-line: rgba(232,197,88,.40); }
[data-domain="6"] { --accent: #E888A6; --accent-bright: #F2AEC3; --accent-wash: rgba(232,136,166,.11); --accent-line: rgba(232,136,166,.40); }
[data-domain="7"] { --accent: #9DB4CC; --accent-bright: #BECFE0; --accent-wash: rgba(157,180,204,.11); --accent-line: rgba(157,180,204,.40); }

/* --- Course hub --------------------------------------------------------- */

.fact-strip {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.fact-strip > * {
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 760px) {
  .fact-strip { grid-template-columns: repeat(5, 1fr); }

  .fact-strip > * {
    padding: 26px 22px 28px 0;
    border-right: 1px solid var(--rule);
    border-bottom: 0;
  }

  .fact-strip > *:last-child { border-right: 0; }
}

.fact__val {
  font-family: var(--font-display);
  font-size: clamp(26px, 1.3rem + 1.4vw, 38px);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}

.fact__label { font-size: var(--text-sm); color: var(--text-muted); margin-top: 5px; line-height: 1.45; }

/* Domain index — a weighted, ranked list, not a card grid. */
.domain-list { border-top: 1px solid var(--rule); }

.domain {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px 22px;
  align-items: start;
  padding: 26px 6px;
  border-bottom: 1px solid var(--rule);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.domain:hover { background: rgba(255, 255, 255, .022); padding-left: 16px; }

@media (min-width: 820px) {
  .domain { grid-template-columns: auto minmax(0, 1fr) 190px; align-items: center; }
}

.domain__num {
  font-family: var(--font-display);
  font-size: clamp(28px, 1.4rem + 1.5vw, 40px);
  font-weight: 700;
  color: var(--dcolor, var(--accent));
  letter-spacing: -.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.domain__name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(17px, .95rem + .5vw, 21px);
  font-weight: 600;
  letter-spacing: -.02em;
  margin-bottom: 6px;
}

.domain__teaser { display: block; font-size: 14px; line-height: 1.55; color: var(--text-muted); }

.domain__weight {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.domain__weight .meta { color: var(--text-muted); }

/* Bar length is proportional to exam weight — the list is the blueprint. */
.weight-bar {
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  overflow: hidden;
}

.weight-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--dcolor, var(--accent));
}

/* --- Domain page scaffolding -------------------------------------------- */

.domain-head { padding-block: clamp(48px, 3rem + 3.5vw, 96px) clamp(28px, 2rem + 1.6vw, 48px); }

.domain-head__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  border: 1px solid var(--accent-line);
  background: var(--accent-wash);
  border-radius: 999px;
  padding: 6px 15px;
  margin-bottom: 26px;
}

.domain-head h1 { font-size: var(--text-h1); margin-bottom: 22px; }

/* Objectives: a real checklist, numbered by the ontology of the exam guide. */
.objectives {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  counter-reset: obj;
}

.objectives li {
  counter-increment: obj;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 15px 4px;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.55;
}

.objectives li::before {
  content: counter(obj, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
}

/* --- Story (long-form prose) -------------------------------------------- */

.prose { max-width: 68ch; }

.prose p {
  font-size: clamp(15px, .9rem + .3vw, 17px);
  line-height: 1.78;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--text); font-weight: 600; }

.prose em {
  font-style: normal;
  color: var(--accent-bright);
  font-family: var(--font-mono);
  font-size: .92em;
}

.pull {
  border-left: 2px solid var(--accent);
  padding: 6px 0 6px 24px;
  margin: 32px 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 1rem + 1vw, 26px);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.35;
  color: var(--text);
}

/* --- Metaphor map ------------------------------------------------------- */

.metaphors { width: 100%; border-collapse: collapse; }

.metaphors th,
.metaphors td {
  border-bottom: 1px solid var(--rule);
  padding: 16px 20px 16px 0;
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.55;
}

.metaphors thead th {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 400;
  border-bottom-color: var(--rule-mid);
}

.metaphors tbody th { font-weight: 600; color: var(--text); width: 24%; }
.metaphors .m-image { color: var(--accent-bright); font-family: var(--font-display); font-weight: 600; width: 26%; }
.metaphors td:last-child { color: var(--text-muted); padding-right: 0; }

/* --- Explorer (option list + detail) ------------------------------------ */

.explorer { display: grid; gap: clamp(20px, 3vw, 34px); align-items: start; }

@media (min-width: 900px) {
  .explorer { grid-template-columns: minmax(200px, .5fr) minmax(0, 1fr); }
}

.explorer__options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.explorer__opt {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: 11px;
  border: 1px solid var(--rule);
  background: var(--ink-raised);
  color: var(--text-muted);
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}

.explorer__opt:hover { border-color: var(--rule-strong); color: var(--text); }

.explorer__opt[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-wash);
  color: var(--accent-bright);
}

.explorer__panel {
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--ink-raised);
  padding: clamp(24px, 3vw, 34px);
}

.explorer__panel h3 {
  font-size: clamp(20px, 1rem + 1vw, 26px);
  margin-bottom: 10px;
}

.explorer__metaphor {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent);
  margin-bottom: 20px;
  line-height: 1.5;
}

.explorer__desc { font-size: 14.5px; line-height: 1.72; color: var(--text-muted); margin-bottom: 24px; }

.kv { display: grid; gap: 0; border-top: 1px solid var(--rule); }

.kv > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 560px) {
  .kv > div { grid-template-columns: 108px minmax(0, 1fr); gap: 18px; align-items: baseline; }
}

.kv dt {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.kv dd { margin: 0; font-size: 14px; line-height: 1.6; color: var(--text-muted); }
.kv dd.is-cue { color: var(--accent-bright); }

/* --- Storyboard --------------------------------------------------------- */

.scenes { display: grid; gap: 14px; }

.scene {
  display: grid;
  gap: 14px;
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: var(--ink-raised);
  padding: 22px;
}

@media (min-width: 780px) {
  .scene { grid-template-columns: 74px minmax(0, 1fr); gap: 26px; }
}

.scene__n {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -.02em;
  line-height: 1;
}

.scene__dur { font-family: var(--font-mono); font-size: var(--text-micro); color: var(--text-dim); margin-top: 6px; }

.scene__vo {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -.01em;
  margin-bottom: 16px;
}

.scene__spec { display: grid; gap: 7px; }

.scene__spec div {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-muted);
}

.scene__spec dt,
.scene__spec span:first-child {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* --- Flashcards --------------------------------------------------------- */

.cards-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }

.flashcard {
  position: relative;
  min-height: 178px;
  padding: 24px;
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: var(--ink-raised);
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.flashcard:hover { border-color: var(--accent-line); transform: translateY(-2px); }

.flashcard[aria-expanded="true"] {
  border-color: var(--accent);
  background: var(--accent-wash);
}

.flashcard__tag {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.flashcard[aria-expanded="true"] .flashcard__tag { color: var(--accent); }

.flashcard__text { font-size: 15px; line-height: 1.6; color: var(--text); flex: 1; }
.flashcard[aria-expanded="true"] .flashcard__text { color: var(--accent-bright); }

.flashcard__hint {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  color: var(--text-dim);
}

/* --- Quiz --------------------------------------------------------------- */

.quiz { display: grid; gap: 18px; }

.question {
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: var(--ink-raised);
  padding: clamp(22px, 3vw, 30px);
}

.question__n {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.question__text { font-size: 15.5px; line-height: 1.62; color: var(--text); margin-bottom: 20px; }

.options { display: grid; gap: 8px; list-style: none; margin: 0 0 4px; padding: 0; }

.option {
  width: 100%;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  text-align: left;
  padding: 13px 16px;
  border: 1px solid var(--rule-mid);
  border-radius: 11px;
  background: transparent;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.55;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}

.option:hover:not(:disabled) { border-color: var(--rule-strong); color: var(--text); }
.option:disabled { cursor: default; }

.option__letter { font-family: var(--font-mono); font-size: var(--text-meta); color: var(--text-dim); }

.option.is-correct {
  border-color: var(--mint);
  background: rgba(95, 199, 154, .10);
  color: var(--text);
}

.option.is-correct .option__letter { color: var(--mint); }

.option.is-wrong {
  border-color: var(--rose);
  background: rgba(224, 123, 156, .10);
  color: var(--text);
}

.option.is-wrong .option__letter { color: var(--rose); }

.rationale {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 11px;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, .02);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

.rationale__verdict { font-weight: 600; margin-right: 6px; }
.rationale__verdict.is-right { color: var(--mint); }
.rationale__verdict.is-wrong { color: var(--rose); }

.quiz-score {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-muted);
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}

/* --- Revision card ------------------------------------------------------ */

.revision {
  border: 1px solid var(--accent-line);
  border-radius: 20px;
  padding: clamp(28px, 4vw, 52px);
  background:
    radial-gradient(ellipse 70% 120% at 20% 0%, var(--accent-wash), transparent 62%),
    var(--ink-raised);
}

.revision h2 { font-size: clamp(22px, 1.1rem + 1.4vw, 30px); margin: 14px 0 18px; }

.revision p {
  font-size: clamp(16px, .95rem + .4vw, 19px);
  line-height: 1.7;
  color: var(--text);
  max-width: 62ch;
}

.revision__foot {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-dim);
}

/* --- Prev / next domain ------------------------------------------------- */

.domain-nav {
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--rule);
  padding-top: 26px;
}

@media (min-width: 700px) { .domain-nav { grid-template-columns: 1fr 1fr; } }

.domain-nav a {
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 20px 24px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.domain-nav a:hover { border-color: var(--accent-line); background: var(--ink-raised); }
.domain-nav .meta { display: block; margin-bottom: 7px; }
.domain-nav strong { font-family: var(--font-display); font-size: 16px; font-weight: 600; letter-spacing: -.01em; }
.domain-nav .is-next { text-align: right; }

/* --- Mock exam ---------------------------------------------------------- */

.exam-bar {
  position: sticky;
  top: 78px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 13px 0;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--rule);
  background: rgba(8, 8, 10, .92);
  backdrop-filter: blur(12px);
}

.exam-timer {
  font-family: var(--font-mono);
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  padding: 6px 16px;
}

.exam-timer.is-low { color: var(--rose); border-color: var(--rose); }

.exam-progress { font-family: var(--font-mono); font-size: var(--text-meta); color: var(--text-muted); }

.exam-actions { display: flex; gap: 9px; flex-wrap: wrap; }

.navigator {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: 7px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

.nav-cell {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid var(--rule-mid);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}

.nav-cell:hover { border-color: var(--rule-strong); color: var(--text); }
.nav-cell.is-answered { border-color: var(--accent-line); background: var(--accent-wash); color: var(--accent-bright); }
.nav-cell.is-flagged { border-color: var(--amber); color: var(--amber); }
.nav-cell[aria-current="true"] { outline: 2px solid var(--accent); outline-offset: 2px; }

.legend { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; font-family: var(--font-mono); font-size: var(--text-micro); color: var(--text-dim); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; border: 1px solid currentColor; font-style: normal; }

/* Results */
.score-hero { text-align: center; padding-block: clamp(30px, 4vw, 56px); }

.score-hero__val {
  font-family: var(--font-display);
  font-size: clamp(58px, 3rem + 6vw, 118px);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.score-hero.is-pass .score-hero__val { color: var(--mint); }
.score-hero.is-fail .score-hero__val { color: var(--rose); }

.score-hero__verdict {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-top: 16px;
}

.score-hero.is-pass .score-hero__verdict { color: var(--mint); }
.score-hero.is-fail .score-hero__verdict { color: var(--rose); }

.domain-scores { border-top: 1px solid var(--rule); }

.domain-score {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px 20px;
  align-items: center;
  padding: 15px 4px;
  border-bottom: 1px solid var(--rule);
}

.domain-score__name { font-size: 14.5px; }
.domain-score__val { font-family: var(--font-mono); font-size: var(--text-sm); text-align: right; color: var(--text-muted); white-space: nowrap; }
.domain-score__bar { grid-column: 1 / -1; height: 4px; border-radius: 999px; background: rgba(255,255,255,.07); overflow: hidden; }
.domain-score__bar span { display: block; height: 100%; border-radius: 999px; background: var(--accent); }