/* RCM Quiz MVP — mobile-first, single column */

:root {
  --quiz-bg: #0f1419;
  --quiz-surface: #1a222c;
  --quiz-text: #e8eef5;
  --quiz-muted: #9aa8b8;
  --quiz-accent: #c9a227;
  --quiz-good: #5cb87a;
  --quiz-bad: #e07a7a;
  --quiz-border: #2a3544;
  --quiz-focus: #7eb8ff;
  --quiz-radius: 12px;
  --quiz-touch: 48px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--quiz-text);
  background: var(--quiz-bg);
}

.quiz-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--quiz-border);
  background: var(--quiz-surface);
}

.quiz-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-size: 0.95rem;
}

.quiz-nav a {
  color: var(--quiz-accent);
  text-decoration: none;
}

.quiz-nav a:focus-visible {
  outline: 2px solid var(--quiz-focus);
  outline-offset: 2px;
}

.quiz-nav__sep {
  color: var(--quiz-muted);
  user-select: none;
}

.quiz-main {
  max-width: 32rem;
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
}

.quiz-panel {
  padding-top: 0.5rem;
}

.quiz-title {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.quiz-subtitle {
  margin: 0 0 1rem;
  color: var(--quiz-muted);
  font-size: 1.05rem;
}

.quiz-note {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--quiz-text);
}

.quiz-note--muted {
  color: var(--quiz-muted);
  font-size: 0.9rem;
}

.quiz-banner {
  padding: 0.75rem 1rem;
  border-radius: var(--quiz-radius);
  margin-bottom: 1rem;
}

.quiz-banner--error {
  background: #3a2020;
  border: 1px solid var(--quiz-bad);
  color: #ffd6d6;
}

.quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.quiz-btn {
  min-height: var(--quiz-touch);
  padding: 0.65rem 1.1rem;
  border-radius: var(--quiz-radius);
  border: 1px solid var(--quiz-border);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--quiz-surface);
  color: var(--quiz-text);
  width: 100%;
}

.quiz-btn:focus-visible {
  outline: 2px solid var(--quiz-focus);
  outline-offset: 2px;
}

.quiz-btn--primary {
  background: var(--quiz-accent);
  color: #1a1408;
  border-color: #a88620;
}

.quiz-btn--ghost {
  background: transparent;
}

.quiz-btn--selected {
  border-color: var(--quiz-accent);
  box-shadow: 0 0 0 1px var(--quiz-accent);
}

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

.quiz-actions .quiz-btn {
  flex: 1 1 calc(33% - 0.5rem);
  min-width: 5.5rem;
}

#btn-start.quiz-btn {
  margin-top: 0.25rem;
}

.quiz-progress-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--quiz-muted);
}

.quiz-timer {
  font-variant-numeric: tabular-nums;
  color: var(--quiz-accent);
}

.quiz-question-en {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.quiz-question-hi {
  margin: 0 0 1.25rem;
  font-size: 1.1rem;
  color: #dbe6f0;
  line-height: 1.55;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.quiz-skip-area {
  margin: 0 0 1.25rem;
  padding: 0.85rem 0 0;
  border-top: 1px dashed var(--quiz-border);
}

.quiz-btn-skip-dontknow {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border-radius: var(--quiz-radius);
  border: 2px dashed var(--quiz-muted);
  background: transparent;
  color: var(--quiz-text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.quiz-btn-skip-dontknow:hover {
  border-color: var(--quiz-accent);
  color: var(--quiz-accent);
}

.quiz-btn-skip-dontknow:focus-visible {
  outline: 2px solid var(--quiz-focus);
  outline-offset: 2px;
}

.quiz-btn-skip-dontknow:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.quiz-skip-hint {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  line-height: 1.35;
}

.quiz-option {
  min-height: 3.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--quiz-radius);
  border: 2px solid var(--quiz-border);
  background: var(--quiz-surface);
  color: var(--quiz-text);
  font-size: 1.05rem;
  text-align: left;
  cursor: pointer;
  width: 100%;
  line-height: 1.35;
}

.quiz-option:disabled {
  opacity: 0.55;
  cursor: default;
}

.quiz-option:not(:disabled):active {
  transform: scale(0.99);
}

.quiz-row-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.quiz-row-actions .quiz-btn {
  width: 100%;
}

.quiz-feedback-title {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  font-weight: 700;
}

.quiz-feedback-title.is-correct {
  color: var(--quiz-good);
}

.quiz-feedback-title.is-wrong {
  color: var(--quiz-bad);
}

.quiz-feedback-detail,
.quiz-feedback-refs {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.quiz-feedback-refs {
  color: var(--quiz-muted);
  font-size: 0.95rem;
}

.quiz-report-heading {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
}

.quiz-report-list {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.quiz-report-list li {
  margin-bottom: 0.35rem;
}

.quiz-report-refs,
.quiz-report-next {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--quiz-muted);
}

.quiz-report-next {
  color: var(--quiz-text);
}

.quiz-fieldset {
  margin: 0 0 1rem;
  padding: 0.75rem 0 0;
  border: 1px solid var(--quiz-border);
  border-radius: var(--quiz-radius);
  background: var(--quiz-surface);
}

.quiz-fieldset-legend {
  padding: 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--quiz-muted);
}

.quiz-actions--len .quiz-btn {
  flex: 1 1 calc(50% - 0.35rem);
}

.quiz-btn--narrow {
  max-width: 100%;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.quiz-report-support {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--quiz-radius);
  border: 1px solid var(--quiz-border);
  background: #1e2835;
  font-size: 0.98rem;
  color: var(--quiz-text);
}

.quiz-report-subheading {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 650;
}

.quiz-report-wrong-wrap {
  margin-bottom: 1.25rem;
}

.quiz-wrong-card {
  margin-bottom: 1rem;
  padding: 1rem;
  border-radius: var(--quiz-radius);
  border: 1px solid var(--quiz-border);
  background: var(--quiz-surface);
}

.quiz-wrong-card__q {
  margin: 0 0 0.65rem;
  font-weight: 600;
  font-size: 1.02rem;
}

.quiz-wrong-card__row {
  margin: 0.35rem 0;
  font-size: 0.95rem;
  color: var(--quiz-muted);
}

.quiz-wrong-card__row strong {
  color: var(--quiz-text);
}

.quiz-wrong-card__expl {
  margin: 0.5rem 0 0;
  font-size: 0.92rem;
  color: #c5d0de;
}

.quiz-wrong-card__actions {
  margin-top: 0.75rem;
}

.quiz-wrong-card__actions a {
  display: inline-block;
  margin-top: 0.35rem;
  color: var(--quiz-accent);
  font-weight: 600;
  text-decoration: none;
}

.quiz-wrong-card__actions a:focus-visible {
  outline: 2px solid var(--quiz-focus);
  outline-offset: 2px;
}

.quiz-email-block {
  margin: 1.5rem 0 1rem;
  padding: 1rem;
  border-radius: var(--quiz-radius);
  border: 1px dashed var(--quiz-border);
}

  width: 100%;
  min-height: var(--quiz-touch);
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--quiz-border);
  background: var(--quiz-bg);
  color: var(--quiz-text);
  font-size: 1rem;
}

.quiz-email-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.quiz-email-actions .quiz-btn {
  flex: 1 1 auto;
  min-width: 8rem;
}

.quiz-copy-status {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--quiz-good);
}

@media (min-width: 480px) {
  .quiz-row-actions {
    flex-direction: row;
  }

  .quiz-row-actions .quiz-btn {
    flex: 1;
  }
}