/* Web trial — light exam booklet during quiz (mirrors app study mode). */
.page-trial {
  --paper: #f4f0ea;          /* AppTheme lightPaper ~0.957/0.941/0.918 */
  --paper-2: #fefcf9;        /* surface */
  --ink-paper: #251f1b;      /* ink */
  --muted-paper: #6b635c;
  --hair-paper: #d1c9bd;
  --rail: rgba(71, 56, 41, 0.35);
  --lamp: #d17f0a;
  --lamp-soft: rgba(209, 127, 10, 0.14);
  --correct: #1f7a5c;
  --correct-soft: rgba(31, 122, 92, 0.12);
  --wrong: #b8382e;
  --wrong-soft: rgba(184, 56, 46, 0.12);
  --part-a: #295c8c;
  --part-b: #12665c;
  --corner: 8px;
}

/* Quiz mode: full light paper wash like the iOS study screen */
.page-trial.is-quizzing {
  background: var(--paper) !important;
  color: var(--ink-paper);
}
.page-trial.is-quizzing .nav,
.page-trial.is-quizzing .site-footer {
  background: rgba(244, 240, 234, 0.92);
  border-color: var(--hair-paper);
  backdrop-filter: blur(10px);
}
.page-trial.is-quizzing .nav-brand,
.page-trial.is-quizzing .nav-links a:not(.nav-trial),
.page-trial.is-quizzing .site-footer a,
.page-trial.is-quizzing .trial-progress-row,
.page-trial.is-quizzing .trial-progress-row strong {
  color: var(--ink-paper);
}
.page-trial.is-quizzing .nav-links a[aria-current="page"]:not(.nav-trial) {
  color: var(--lamp);
}
.page-trial.is-quizzing .nav-links > a.nav-trial {
  /* Keep supermarket red on light quiz chrome */
  color: #fff !important;
}
.page-trial.is-quizzing .trial-progress-row span {
  color: var(--muted-paper);
}
.page-trial.is-quizzing .trial-bar {
  background: rgba(36, 31, 26, 0.12);
}
.page-trial.is-quizzing .trial-dot {
  background: var(--paper-2);
  border-color: var(--hair-paper);
  color: var(--muted-paper);
}
.page-trial.is-quizzing .trial-dot.is-current {
  border-color: var(--lamp);
  color: var(--lamp);
}
.page-trial.is-quizzing .trial-dot.is-ok {
  background: var(--correct-soft);
  color: var(--correct);
  border-color: rgba(31, 122, 92, 0.35);
}
.page-trial.is-quizzing .trial-dot.is-no {
  background: var(--wrong-soft);
  color: var(--wrong);
  border-color: rgba(184, 56, 46, 0.35);
}
.page-trial.is-quizzing .btn-ghost {
  color: var(--ink-paper);
  border-color: var(--hair-paper);
  background: var(--paper-2);
}
.page-trial.is-quizzing .trial-nudge {
  background: var(--lamp-soft);
  border-color: rgba(209, 127, 10, 0.35);
  color: var(--ink-paper);
}

.trial-main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 5.25rem 1.15rem 4rem;
  min-height: 70svh; /* reduce CLS when intro replaces loading status */
}
.trial-status {
  min-height: 1.5rem;
}
.page-trial .trial-paper a {
  color: #8a5200; /* WCAG AA on light paper (#fefcf9) */
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}
.page-trial .trial-paper a:hover { color: #6b3f00; }

.trial-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber, var(--lamp));
  margin: 0 0 0.55rem;
}

.trial-lead {
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-size: 0.98rem;
}

.trial-legal {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 1rem 0 0;
}

.page-trial button.btn {
  font: inherit;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.page-trial .section-title { max-width: none; }
.page-trial .cta-final {
  padding-block: 2.25rem;
  margin-top: 0.25rem;
  border-radius: 22px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
}

.trial-paper ul { margin: 0; padding-left: 1.2rem; }
.trial-paper li { margin: 0.4rem 0; color: var(--ink-paper); font-size: 0.95rem; }
.trial-paper a { color: var(--lamp); }

.trial-paper {
  background: var(--paper-2);
  color: var(--ink-paper);
  border-radius: 12px;
  border: 1px solid var(--hair-paper);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) inset;
  padding: 1.1rem 1.05rem 1.25rem;
}

.page-trial.is-quizzing .trial-paper {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0.25rem 0 0;
}

.trial-q-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.trial-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 0.5rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid var(--hair-paper);
  color: var(--muted-paper);
  background: rgba(255, 255, 255, 0.55);
}

.trial-chip.part-a { color: var(--part-a); border-color: rgba(41, 92, 140, 0.35); background: rgba(41, 92, 140, 0.08); }
.trial-chip.part-b { color: var(--part-b); border-color: rgba(18, 102, 92, 0.35); background: rgba(18, 102, 92, 0.08); }

.trial-stem {
  font-size: clamp(1.12rem, 3.4vw, 1.32rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  color: var(--ink-paper);
}

.trial-options {
  display: grid;
  gap: 0.65rem;
}

.trial-opt {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  padding: 0.875rem 0.9rem;
  border-radius: var(--corner);
  border: 1px solid var(--hair-paper);
  background: var(--paper-2);
  color: var(--ink-paper);
  font: inherit;
  font-size: 0.95rem;
  line-height: 1.45;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s var(--ease-out, ease), border-color 0.15s, background 0.15s;
}
.trial-opt::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 2px;
  background: var(--rail);
}
.trial-opt:hover { border-color: rgba(209, 127, 10, 0.45); }
.trial-opt:disabled { cursor: default; }

.trial-opt-letter {
  flex-shrink: 0;
  width: 1.6rem;
  height: 1.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-paper);
}

.trial-opt.is-correct {
  background: var(--correct-soft);
  border-color: rgba(31, 122, 92, 0.45);
  border-width: 1.5px;
}
.trial-opt.is-correct::before { background: var(--correct); width: 4px; }
.trial-opt.is-correct .trial-opt-letter { color: var(--correct); background: rgba(31, 122, 92, 0.15); }

.trial-opt.is-wrong {
  background: var(--wrong-soft);
  border-color: rgba(184, 56, 46, 0.45);
  border-width: 1.5px;
}
.trial-opt.is-wrong::before { background: var(--wrong); width: 4px; }
.trial-opt.is-wrong .trial-opt-letter { color: var(--wrong); background: rgba(184, 56, 46, 0.14); }

.trial-opt.is-dimmed { opacity: 0.55; }

.trial-feedback {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-radius: var(--corner);
}
.trial-feedback.is-ok { background: var(--correct-soft); }
.trial-feedback.is-no { background: var(--wrong-soft); }

.trial-feedback-label {
  margin: 0 0 0.4rem;
  font-weight: 800;
  font-size: 1.05rem;
}
.trial-feedback.is-ok .trial-feedback-label { color: var(--correct); }
.trial-feedback.is-no .trial-feedback-label { color: var(--wrong); }

.trial-feedback-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted-paper);
}

.trial-feedback-body {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-paper);
}
.trial-feedback-body a { color: var(--lamp); }

/* App-like study extras inside feedback */
.trial-study-extras {
  margin-top: 0.85rem;
  display: grid;
  gap: 0.75rem;
}
.trial-cite-line {
  margin: 0 0 0.35rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ink-paper);
  line-height: 1.4;
}
.trial-cite-disclaimer {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  color: var(--muted-paper);
  line-height: 1.4;
}
.trial-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.trial-chip-btn {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 0.7rem;
  border-radius: var(--corner);
  border: 1px solid var(--hair-paper);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-paper);
  background: rgba(255, 255, 255, 0.72);
}
.trial-chip-btn:hover {
  border-color: rgba(209, 127, 10, 0.5);
  background: var(--lamp-soft);
}

.trial-extras { display: none; }

.trial-progress { margin: 0 0 1rem; }
.trial-progress-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
  margin-bottom: 0.55rem;
  color: var(--muted);
  font-size: 0.82rem;
}
.trial-progress-row strong { color: var(--ink); font-weight: 700; }

.trial-bar {
  height: 4px;
  border-radius: 99px;
  background: var(--line, rgba(255,255,255,0.12));
  overflow: hidden;
}
.trial-bar > span {
  display: block;
  height: 100%;
  width: var(--trial-pct, 0%);
  background: var(--lamp);
  border-radius: inherit;
  transition: width 0.4s ease;
}

.trial-dots {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
  margin-top: 0.7rem;
}
.trial-dot {
  min-height: 32px;
  border-radius: 8px;
  border: 1px solid var(--line, rgba(255,255,255,0.12));
  background: var(--bg-2, rgba(255,255,255,0.06));
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}
.trial-dot.is-current {
  border-color: var(--amber, var(--lamp));
  color: var(--amber, var(--lamp));
}
.trial-dot.is-ok {
  background: rgba(31, 122, 69, 0.22);
  color: #c8f0d4;
  border-color: rgba(31, 122, 69, 0.4);
}
.trial-dot.is-no {
  background: rgba(180, 35, 24, 0.2);
  color: #f3c4c0;
  border-color: rgba(180, 35, 24, 0.4);
}
.trial-dot:disabled { opacity: 0.4; cursor: default; }

.trial-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.1rem;
  align-items: center;
}
.trial-actions .btn { min-width: 7.5rem; }
.trial-actions .btn:disabled {
  opacity: 0.45;
  pointer-events: none;
}

.trial-share-row {
  margin-top: 0.55rem;
}
.trial-share-row .btn-share {
  width: 100%;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font: inherit;
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: var(--corner);
  border: 1px dashed rgba(209, 127, 10, 0.55);
  background: rgba(209, 127, 10, 0.08);
  color: var(--lamp);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: background 0.15s, border-color 0.15s;
}
.trial-share-row .btn-share::before {
  content: "";
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8'/%3E%3Cpolyline points='16 6 12 2 8 6'/%3E%3Cline x1='12' y1='2' x2='12' y2='15'/%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8'/%3E%3Cpolyline points='16 6 12 2 8 6'/%3E%3Cline x1='12' y1='2' x2='12' y2='15'/%3E%3C/svg%3E") center / contain no-repeat;
}
.trial-share-row .btn-share:hover {
  background: rgba(209, 127, 10, 0.14);
  border-color: rgba(209, 127, 10, 0.75);
}
.page-trial.is-quizzing .trial-share-row .btn-share {
  background: rgba(255, 255, 255, 0.55);
  color: #8a5200;
}

.trial-nudge {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(209, 127, 10, 0.35);
  background: rgba(209, 127, 10, 0.12);
}
.trial-nudge p { margin: 0 0 0.65rem; font-size: 0.9rem; }
.trial-nudge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}
.trial-nudge-dismiss {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  background: transparent;
  border: none;
  color: var(--lamp);
  cursor: pointer;
  text-decoration: underline;
}

.trial-status, .trial-error {
  font-size: 0.9rem;
  margin: 0 0 1rem;
}
.trial-error { color: var(--wrong); }

.trial-score {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0 0 1rem;
}
.trial-score strong {
  font-size: clamp(2.4rem, 8vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.03em;
}
.trial-breakdown {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
  color: var(--muted);
}
.trial-breakdown li { margin: 0.35rem 0; }

.trial-screen[hidden] { display: none !important; }

@media (max-width: 520px) {
  .trial-main { padding-inline: 1rem; }
  .trial-dots { grid-template-columns: repeat(5, 1fr); }
}