/* Quizzes module styles
 * Owner: Allie (@allierays)
 * All selectors prefixed .quiz- to avoid colliding with main-app styles.
 * Use root CSS vars from index.html for colors, don't introduce new tokens.
 */

/* ── Landing view ── */

.quiz-landing {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px 0;
}

.quiz-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}

.quiz-title {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  color: var(--ink);
  margin: 0;
}

.quiz-date {
  font-size: 13px;
  color: var(--muted);
}

.quiz-domain-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.quiz-domain-tag {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--muted);
}

.quiz-domain-tag--active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.quiz-score-summary {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  margin-bottom: 16px;
}

.quiz-score-big {
  font-family: 'DM Serif Display', serif;
  font-size: 36px;
  color: var(--ink);
  margin: 0 0 4px;
}

.quiz-score-label {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.quiz-start-btn,
.quiz-retake-btn,
.quiz-review-btn,
.quiz-next-btn,
.quiz-back-btn {
  display: inline-block;
  padding: 10px 24px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.quiz-start-btn:hover,
.quiz-retake-btn:hover,
.quiz-review-btn:hover,
.quiz-next-btn:hover,
.quiz-back-btn:hover {
  opacity: 0.85;
}

.quiz-start-btn {
  background: var(--accent);
  color: #fff;
  width: 100%;
}

.quiz-retake-btn {
  background: var(--card-bg);
  color: var(--ink);
  border: 1px solid var(--border);
}

.quiz-review-btn {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.quiz-btn-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
}

/* History (previous results) */

.quiz-history {
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
}

.quiz-history summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.quiz-history-list {
  list-style: none;
  padding: 8px 0 0;
  margin: 0;
}

.quiz-history-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

/* ── Active quiz view ── */

.quiz-active {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px 0;
}

.quiz-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.quiz-back-link {
  background: none;
  border: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 0;
  transition: color 0.15s;
}

.quiz-back-link:hover {
  color: var(--ink);
}

.quiz-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.quiz-progress-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.quiz-progress-track {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.quiz-progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.quiz-question-domain {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  margin-bottom: 12px;
}

.quiz-scenario {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

.quiz-prompt {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 16px;
  line-height: 1.5;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}

.quiz-option:hover {
  border-color: var(--accent);
}

.quiz-option--disabled {
  cursor: default;
  pointer-events: none;
}

.quiz-option--selected {
  border-color: var(--accent);
  background: rgba(0,0,0,0.02);
}

.quiz-option--correct {
  border-color: var(--green);
  background: rgba(46, 160, 67, 0.08);
}

.quiz-option--incorrect {
  border-color: #e74c3c;
  background: rgba(231, 76, 60, 0.08);
}

.quiz-option-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--border);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  flex-shrink: 0;
}

.quiz-option--correct .quiz-option-letter {
  background: var(--green);
  color: #fff;
}

.quiz-option--incorrect .quiz-option-letter {
  background: #e74c3c;
  color: #fff;
}

.quiz-option-text {
  flex: 1;
}

.quiz-explanation {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--card-bg);
  border-left: 3px solid var(--green);
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  animation: quiz-fade-in 0.25s ease;
}

.quiz-next-btn {
  background: var(--accent);
  color: #fff;
  margin-top: 16px;
}

/* ── Results view ── */

.quiz-results {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px 0;
  text-align: center;
}

.quiz-results-header {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  color: var(--ink);
  margin: 0 0 20px;
}

.quiz-score-display {
  margin-bottom: 24px;
}

.quiz-score-number {
  font-family: 'DM Serif Display', serif;
  font-size: 48px;
  color: var(--ink);
  margin: 0;
}

.quiz-score-percent {
  font-size: 15px;
  font-weight: 600;
  margin: 4px 0 0;
}

.quiz-score-percent--pass {
  color: var(--green);
}

.quiz-score-percent--fail {
  color: #e74c3c;
}

.quiz-domain-breakdown {
  text-align: left;
  margin-bottom: 24px;
}

.quiz-domain-breakdown-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 10px;
}

.quiz-domain-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 13px;
}

.quiz-domain-name {
  width: 160px;
  color: var(--muted);
  flex-shrink: 0;
}

.quiz-domain-bar-track {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.quiz-domain-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease;
}

.quiz-domain-bar-fill--good {
  background: var(--green);
}

.quiz-domain-bar-fill--ok {
  background: var(--accent);
}

.quiz-domain-bar-fill--bad {
  background: #e74c3c;
}

.quiz-domain-score {
  width: 36px;
  text-align: right;
  font-weight: 600;
  color: var(--ink);
}

/* ── Review view ── */

.quiz-review {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px 0;
}

.quiz-review-header {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  color: var(--ink);
  margin: 0 0 20px;
}

.quiz-review-item {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.quiz-review-item:last-child {
  border-bottom: none;
}

.quiz-review-number {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.quiz-back-btn {
  background: var(--card-bg);
  color: var(--ink);
  border: 1px solid var(--border);
}

/* ── Voice controls ── */

.quiz-voice-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
}

.quiz-voice-toggle input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.quiz-voice-controls {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.quiz-speak-btn,
.quiz-mic-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.quiz-speak-btn:hover,
.quiz-mic-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.quiz-speak-btn--active {
  color: var(--accent);
  border-color: var(--accent);
}

.quiz-mic-btn--active {
  color: #e74c3c;
  border-color: #e74c3c;
  animation: quiz-pulse 1.2s infinite;
}

@keyframes quiz-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Landing mode cards ── */

.quiz-modes {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  margin-bottom: 20px;
}

.quiz-mode-card {
  flex: 1;
  padding: 24px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--card-bg);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.quiz-mode-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.quiz-mode-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.quiz-mode-name {
  font-family: 'DM Serif Display', serif;
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 4px;
}

.quiz-mode-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

/* ── Hands-free mode ── */

.quiz-handsfree {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px 0;
}

.quiz-handsfree .quiz-scenario {
  text-align: left;
  margin-top: 16px;
  margin-bottom: 16px;
}

.quiz-handsfree .quiz-prompt {
  text-align: left;
  margin-bottom: 16px;
}

.quiz-handsfree .quiz-options {
  margin-bottom: 16px;
}

.quiz-handsfree .quiz-explanation {
  margin-bottom: 16px;
}

.quiz-hf-status {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 8px;
}

.quiz-hf-status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.quiz-hf-result {
  text-align: center;
}

.quiz-hf-listening {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.quiz-hf-listening--active {
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
  border: 1px solid #e74c3c;
  animation: quiz-pulse 1.2s infinite;
}

.quiz-hf-listening--speaking {
  background: rgba(212, 98, 43, 0.1);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.quiz-hf-listening--waiting {
  background: var(--card-bg);
  color: var(--muted);
  border: 1px solid var(--border);
}

.quiz-hf-listening--paused {
  background: rgba(254, 225, 154, 0.3);
  color: #92400e;
  border: 1px solid #fbbf24;
}

.quiz-hf-commands {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--card-bg);
  border-radius: 6px;
  text-align: center;
}

.quiz-hf-commands strong {
  color: var(--ink);
}

.quiz-hf-result {
  font-size: 16px;
  font-weight: 600;
  margin: 12px 0;
  animation: quiz-fade-in 0.25s ease;
}

.quiz-hf-result--correct {
  color: var(--green);
}

.quiz-hf-result--incorrect {
  color: #e74c3c;
}

.quiz-hf-controls {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 24px;
  margin-bottom: 8px;
}

.quiz-hf-control-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.quiz-hf-control-btn:hover { opacity: 0.85; }

.quiz-hf-control-btn--pause {
  background: var(--card-bg);
  color: var(--ink);
  border: 1px solid var(--border);
}

.quiz-hf-control-btn--resume {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}

.quiz-hf-control-btn--stop {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.quiz-hf-control-btn--stop:hover {
  color: #e74c3c;
  border-color: #e74c3c;
}

.quiz-hf-score {
  margin-top: 24px;
  padding: 16px;
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.quiz-hf-score-number {
  font-family: 'DM Serif Display', serif;
  font-size: 32px;
  color: var(--ink);
}

/* ── Quiz stats ── */

.quiz-stats-section {
  margin-top: 24px;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.quiz-stats-header {
  font-family: 'DM Serif Display', serif;
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 16px;
}

.quiz-stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}

.quiz-stat {
  flex: 1;
  text-align: center;
  padding: 12px 8px;
  background: var(--paper);
  border-radius: 6px;
}

.quiz-stat-value {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 24px;
  color: var(--ink);
}

.quiz-stat-label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

@media (max-width: 480px) {
  .quiz-modes {
    flex-direction: column;
  }

  .quiz-stat-value {
    font-size: 20px;
  }
}

/* ── Utilities ── */

.quiz-empty {
  padding: 32px 24px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

@keyframes quiz-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Mobile ── */

@media (max-width: 480px) {
  .quiz-header {
    flex-direction: column;
    gap: 4px;
  }

  .quiz-domain-name {
    width: 100px;
    font-size: 11px;
  }

  .quiz-score-number {
    font-size: 36px;
  }

  .quiz-btn-row {
    flex-direction: column;
  }

  .quiz-btn-row .quiz-retake-btn,
  .quiz-btn-row .quiz-review-btn {
    width: 100%;
  }
}