/* quiz-renderer.css — Quiz/Estudo. Tokens do design system (tema/dark/paletas). */
@keyframes quizFade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.quiz-setup, .quiz-loading, .quiz-scorecard, .quiz-question { animation: quizFade .22s ease both; }
@media (prefers-reduced-motion: reduce) { .quiz-setup, .quiz-loading, .quiz-scorecard, .quiz-question { animation: none; } }
.quiz-setup, .quiz-loading, .quiz-scorecard { padding: 16px; max-width: 440px; margin: 0 auto; }
.quiz-setup-head { text-align: center; margin-bottom: 16px; }
.quiz-setup-icon { width: 38px; height: 38px; border-radius: 11px; display: inline-flex; align-items: center; justify-content: center;
    background: color-mix(in srgb, var(--accent-primary) 10%, transparent); color: var(--accent-primary); font-size: 17px; margin-bottom: 9px; }
.quiz-setup-title { font-size: 16px; font-weight: 700; color: var(--color-text-primary); margin: 0 0 3px; letter-spacing: -.01em; }
.quiz-setup-sub { font-size: 12.5px; color: var(--color-text-tertiary); margin: 0; line-height: 1.4; }
.quiz-field { margin-bottom: 13px; }
.quiz-label { display: block; font-size: 11.5px; font-weight: 600; color: var(--color-text-secondary); margin-bottom: 6px; }
.quiz-input { width: 100%; box-sizing: border-box; padding: 9px 11px; font-size: 14px; border-radius: 9px;
    border: 1px solid var(--color-border-primary); background: var(--color-bg-elevated); color: var(--color-text-primary);
    transition: border-color .15s, box-shadow .15s; }
.quiz-input:focus { outline: none; border-color: var(--color-border-focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 12%, transparent); }
.quiz-input-error { border-color: #ef4444; }
.quiz-setup-error { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 14px; padding: 10px 12px; border-radius: 9px;
    font-size: 12.5px; line-height: 1.45; color: var(--color-critical-text, #b91c1c);
    background: color-mix(in srgb, #ef4444 8%, transparent); border: 1px solid color-mix(in srgb, #ef4444 28%, transparent); }
.quiz-setup-error i { margin-top: 1px; flex-shrink: 0; }
.quiz-notice { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 12px; padding: 9px 12px; border-radius: 9px;
    font-size: 12.5px; line-height: 1.45; color: var(--color-text-secondary);
    background: color-mix(in srgb, var(--accent-primary) 6%, transparent); border: 1px solid color-mix(in srgb, var(--accent-primary) 18%, transparent); }
.quiz-notice i { margin-top: 1px; flex-shrink: 0; color: var(--accent-primary); }
.quiz-seg { display: flex; gap: 6px; }
.quiz-seg-btn { flex: 1; padding: 7px 10px; font-size: 12.5px; font-weight: 500; border-radius: 8px; cursor: pointer;
    border: 1px solid var(--color-border-primary); background: transparent; color: var(--color-text-secondary);
    transition: border-color .15s, background .15s, color .15s; }
.quiz-seg-btn:hover { border-color: var(--accent-primary); color: var(--color-text-primary); }
.quiz-seg-btn.active { background: var(--accent-primary); color: var(--color-on-accent, #fff); border-color: var(--accent-primary); font-weight: 600; }
.quiz-cta { width: 100%; padding: 10px; margin-top: 4px; border: none; border-radius: 9px; cursor: pointer; font-size: 14px; font-weight: 600;
    background: var(--accent-primary); color: var(--color-on-accent, #fff); transition: filter .15s, transform .1s; }
.quiz-cta:hover { filter: brightness(1.06); }
.quiz-cta:active { transform: translateY(1px); }
.quiz-cta-ghost { background: transparent; color: var(--accent-primary); border: 1px solid var(--accent-primary); }
.quiz-cta-ghost:hover { background: color-mix(in srgb, var(--accent-primary) 6%, transparent); filter: none; }
.quiz-disclaimer { font-size: 10.5px; color: var(--color-text-muted); text-align: center; margin-top: 12px; }
.quiz-loading { text-align: center; }
.quiz-spinner { font-size: 28px; color: var(--accent-primary); margin-bottom: 12px; }
.quiz-loading-text { font-size: 13px; color: var(--color-text-secondary); }
.quiz-progress { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 10px; padding: 10px 14px;
    background: var(--color-bg-secondary); border-radius: 8px; margin-bottom: 14px; }
.quiz-progress-text { font-size: 12px; color: var(--color-text-secondary); font-variant-numeric: tabular-nums; }
.quiz-progress-bar { flex: 1; height: 6px; background: var(--color-border-primary); border-radius: 3px; overflow: hidden; }
.quiz-progress-fill { height: 100%; width: 0; background: var(--accent-primary); transition: width .3s ease; }
.quiz-question { background: var(--color-bg-elevated); border: 1px solid var(--color-border-primary); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.quiz-q-num { font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--accent-primary); margin-bottom: 8px; }
.quiz-q-stem { font-size: 14.5px; line-height: 1.6; color: var(--color-text-primary); margin: 0 0 10px; }
.quiz-q-lead { font-size: 14px; font-weight: 600; color: var(--color-text-primary); margin: 0 0 12px; }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-option { display: flex; align-items: flex-start; gap: 10px; text-align: left; padding: 11px 12px; border-radius: 9px; cursor: pointer;
    border: 1px solid var(--color-border-primary); background: transparent; color: var(--color-text-primary); font-size: 14px; transition: all .15s; }
.quiz-option:hover:not(:disabled) { border-color: var(--accent-primary); background: color-mix(in srgb, var(--accent-primary) 4%, transparent); }
.quiz-option-id { font-weight: 700; color: var(--accent-primary); min-width: 18px; }
.quiz-option-done { cursor: default; opacity: .9; }
.quiz-option.correct { border-color: #22c55e; background: color-mix(in srgb, #22c55e 12%, transparent); }
.quiz-option.correct .quiz-option-id { color: #16a34a; }
.quiz-option.incorrect { border-color: #ef4444; background: color-mix(in srgb, #ef4444 10%, transparent); }
.quiz-option.incorrect .quiz-option-id { color: #dc2626; }
.quiz-explanation { margin-top: 12px; padding: 12px 14px; border-left: 3px solid var(--accent-primary);
    background: color-mix(in srgb, var(--accent-primary) 4%, transparent); border-radius: 6px; }
.quiz-expl-tag { display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 6px; }
.quiz-expl-tag.is-correct { color: #16a34a; }
.quiz-expl-tag.is-incorrect { color: #dc2626; }
.quiz-expl-text { font-size: 13px; line-height: 1.55; color: var(--color-text-secondary); margin: 0; }
.quiz-source { margin-top: 8px; font-size: 12px; color: var(--color-text-tertiary); }
.quiz-source i { color: var(--accent-primary); margin-right: 2px; }
.quiz-scorecard { text-align: center; }
.quiz-score-ring { position: relative; width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center;
    background: conic-gradient(var(--accent-primary) calc(var(--quiz-pct) * 1%), var(--color-border-primary) 0); }
.quiz-score-ring::before { content: ''; position: absolute; width: 92px; height: 92px; border-radius: 50%; background: var(--color-bg-elevated); }
.quiz-score-num { position: relative; font-size: 24px; font-weight: 800; color: var(--color-text-primary); }
.quiz-score-label { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 16px; }
.quiz-score-actions { display: flex; flex-direction: column; gap: 8px; max-width: 320px; margin: 0 auto; }
@media (max-width: 640px) { .quiz-setup, .quiz-scorecard { padding: 14px; } }