/* Quiz + flashcard pages.
 *
 * Transitional styling — these pages will be replaced in a later PR
 * (quizzes collapse into per-lesson inline questions). Keep the
 * vocabulary minimal so the eventual removal is clean.
 */

.quiz-wrap { max-width: 720px; margin: 0 auto; padding: 40px 32px 80px; }

.quiz-header {
    padding: 0 0 32px;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 32px;
}
.quiz-header h1 {
    font-family: var(--font-serif); font-weight: 400;
    font-variation-settings: "opsz" 144, "SOFT" 30;
    font-size: clamp(32px, 4.5vw, 44px);
    line-height: 1.08; letter-spacing: -0.02em;
    margin: 0 0 12px;
}
.quiz-desc { color: var(--muted); font-size: 16px; margin: 0 0 20px; max-width: 58ch; }

.quiz-stats {
    display: flex; gap: 24px; flex-wrap: wrap;
    font-family: var(--font-mono); font-size: 12px;
    color: var(--muted); letter-spacing: .04em;
}
.quiz-stats b { color: var(--text); font-weight: 600; font-size: 14px; }

/* ---------- Question card ---------- */
.question {
    padding: 28px 32px;
    background: var(--bg-2);
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}
.question-num {
    font-family: var(--font-mono); font-size: 11px;
    color: var(--amber); letter-spacing: .14em;
    text-transform: uppercase; font-weight: 600;
    margin: 0 0 10px;
}
.question-text {
    font-family: var(--font-serif);
    font-variation-settings: "opsz" 48, "SOFT" 45;
    font-weight: 500; font-size: 20px;
    line-height: 1.4; margin: 0 0 20px;
}
.question-image { margin-bottom: 20px; max-width: 100%; border-radius: var(--radius-md); }

.options { display: flex; flex-direction: column; gap: 10px; }
.option {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 14px 18px;
    border: 1px solid var(--rule-2);
    border-radius: var(--radius-md);
    background: var(--bg);
    cursor: pointer;
    transition: border-color .15s, background .15s;
}
.option:hover { border-color: var(--amber); }
.option input[type="radio"],
.option input[type="checkbox"] {
    accent-color: var(--amber);
    margin-top: 2px;
}
.option:has(input:checked) {
    border-color: var(--amber);
    background: color-mix(in srgb, var(--amber) 10%, var(--bg));
}

.quiz-textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--rule-2);
    border-radius: var(--radius-md);
    color: var(--text);
    font: inherit; font-size: 15px; line-height: 1.6;
    resize: vertical; min-height: 96px;
}
.quiz-textarea:focus { outline: 0; border-color: var(--amber); }

/* ---------- Attempts table ---------- */
.attempts {
    margin-top: 40px;
    padding: 20px 0;
    border-top: 1px solid var(--rule);
}
.attempts h2 {
    font-family: var(--font-serif);
    font-variation-settings: "opsz" 72, "SOFT" 50;
    font-size: 20px; font-weight: 500;
    margin: 0 0 16px;
}
.attempts-list { display: flex; flex-direction: column; gap: 8px; }
.attempt-row {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: 14px; align-items: center;
    padding: 10px 14px;
    border: 1px solid var(--rule);
    border-radius: var(--radius-md);
    font-family: var(--font-mono); font-size: 12px;
    color: var(--muted); letter-spacing: .04em;
}
.attempt-row .score {
    color: var(--text); font-size: 14px;
    font-family: var(--font-serif); letter-spacing: 0;
}
.attempt-row .state { font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.attempt-row .state.passed { color: var(--brand-success, #6B8E5A); }
.attempt-row .state.failed { color: var(--brand-danger, #9E4A3E); }
.attempt-row a {
    color: var(--muted);
    border-bottom: 1px dotted currentColor;
    font-family: var(--font-mono); letter-spacing: .04em;
}
.attempt-row a:hover { color: var(--amber); }

/* ---------- Result page ---------- */
.result-hero {
    text-align: center;
    padding: 48px 0 40px;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 32px;
}
.result-hero .eyebrow {
    font-family: var(--font-mono); font-size: 12px;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--muted); margin: 0 0 12px;
}
.result-hero h1 {
    font-family: var(--font-serif); font-weight: 400;
    font-variation-settings: "opsz" 144, "SOFT" 30;
    font-size: clamp(40px, 6vw, 56px);
    line-height: 1.05; letter-spacing: -0.02em;
    margin: 0 0 16px;
}
.result-hero.passed h1 { color: var(--brand-success, #6B8E5A); }
.result-hero.failed h1 { color: var(--brand-danger, #9E4A3E); }
.result-score {
    font-family: var(--font-mono); font-size: 14px;
    color: var(--muted); letter-spacing: .04em;
}
.result-score b { color: var(--text); font-size: 16px; font-weight: 600; }

/* Reviewing each question */
.review-question {
    padding: 24px 28px;
    background: var(--bg-2);
    border: 1px solid var(--rule);
    border-left: 3px solid var(--rule);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}
.review-question.correct { border-left-color: var(--brand-success, #6B8E5A); }
.review-question.incorrect { border-left-color: var(--brand-danger, #9E4A3E); }
.review-answer {
    display: flex; flex-direction: column; gap: 6px;
    font-size: 14px; margin: 12px 0;
}
.review-label {
    font-family: var(--font-mono); font-size: 11px;
    text-transform: uppercase; letter-spacing: .12em;
    color: var(--muted);
}
.review-value {
    font-family: var(--font-serif); font-size: 16px;
}
.review-value.correct { color: var(--brand-success, #6B8E5A); }
.review-value.incorrect { color: var(--brand-danger, #9E4A3E); text-decoration: line-through; }
.review-explanation {
    margin-top: 12px; padding-top: 12px;
    border-top: 1px dashed var(--rule-2);
    color: var(--muted); font-size: 14px;
    font-family: var(--font-serif); font-style: italic;
}

/* ---------- Review question head ---------- */
.review-question-head {
    display: flex; align-items: flex-start; gap: 12px;
    margin-bottom: 16px; flex-wrap: wrap;
}
.review-q-num {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 26px; height: 26px; flex-shrink: 0;
    background: var(--bg-3); border-radius: 50%;
    font-family: var(--font-mono); font-size: 12px;
    color: var(--muted); font-weight: 600;
    margin-top: 1px;
}
.review-q-text {
    flex: 1;
    font-family: var(--font-serif); font-size: 17px; line-height: 1.4;
    margin: 0; color: var(--text);
}
.review-badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 10px; border-radius: 999px;
    font-family: var(--font-mono); font-size: 11px;
    letter-spacing: .06em; text-transform: uppercase;
    white-space: nowrap; flex-shrink: 0;
}
.review-badge--correct  { background: color-mix(in srgb, var(--brand-success, #6B8E5A) 15%, var(--bg)); color: var(--brand-success, #6B8E5A); }
.review-badge--incorrect{ background: color-mix(in srgb, var(--brand-danger, #9E4A3E)  15%, var(--bg)); color: var(--brand-danger, #9E4A3E); }
.review-badge--partial  { background: color-mix(in srgb, var(--amber) 15%, var(--bg)); color: var(--amber-2); }
.review-badge--pending  { background: color-mix(in srgb, var(--ink-blue) 15%, var(--bg)); color: var(--ink-blue); }
[data-theme="dark"] .review-badge--partial { color: var(--amber); }
[data-theme="dark"] .review-badge--pending { color: #7BA3C8; }

/* Review table */
.review-table {
    width: 100%; border-collapse: collapse;
    font-size: 14px; margin: 8px 0;
}
.review-table th,
.review-table td {
    padding: 7px 12px;
    border: 1px solid var(--rule-2);
    text-align: left;
}
.review-table th { background: var(--bg-3); font-weight: 600; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.review-row-correct td { background: color-mix(in srgb, var(--brand-success, #6B8E5A) 8%, var(--bg-2)); }
.review-row-incorrect td { background: color-mix(in srgb, var(--brand-danger, #9E4A3E) 8%, var(--bg-2)); }

/* ---------- Timer ---------- */
.quiz-timer {
    position: sticky; top: 12px; z-index: 40;
    background: var(--bg-2);
    border: 1px solid var(--rule);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    font-family: var(--font-mono); font-size: 14px;
    letter-spacing: .06em;
    text-align: center;
    margin-bottom: 20px;
}
.quiz-timer.warn { color: var(--amber); border-color: var(--amber); }
.quiz-timer.danger { color: var(--brand-danger, #9E4A3E); border-color: var(--brand-danger, #9E4A3E); }

/* ---------- Quiz interaction primitives ---------- */
.quiz-hint {
    color: var(--muted); font-size: 14px; margin: 0 0 16px;
}
.quiz-sentence {
    font-family: var(--font-serif); font-style: italic;
    font-size: 17px; margin: 0 0 16px; color: var(--muted);
}
.quiz-highlight {
    color: var(--amber-2); font-style: normal;
    text-decoration: underline; text-decoration-style: dotted;
}
[data-theme="dark"] .quiz-highlight { color: var(--amber); }
.quiz-sub-label {
    font-family: var(--font-mono); font-size: 11px;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--muted); font-weight: 600;
    display: block; margin-bottom: 10px;
}
.quiz-btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.quiz-judge-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px;
    border: 1px solid var(--rule-2);
    border-radius: var(--radius-md);
    background: transparent; color: var(--text);
    font: inherit; font-size: 14px; cursor: pointer;
    transition: border-color .15s, background .15s, color .15s;
}
.quiz-judge-yes:hover { border-color: var(--brand-success, #6B8E5A); color: var(--brand-success, #6B8E5A); }
.quiz-judge-no:hover  { border-color: var(--brand-danger, #9E4A3E); color: var(--brand-danger, #9E4A3E); }
.quiz-judge-active-yes { background: var(--brand-success, #6B8E5A); color: #fff; border-color: var(--brand-success, #6B8E5A); }
.quiz-judge-active-no  { background: var(--brand-danger, #9E4A3E); color: #fff; border-color: var(--brand-danger, #9E4A3E); }
.quiz-correction { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--rule); }

/* Chip / word bank */
.quiz-chip {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    background: var(--bg-2);
    border: 1px solid var(--rule-2);
    font-family: var(--font-mono); font-size: 13px;
    cursor: grab; user-select: none;
    transition: border-color .15s;
}
.quiz-chip:hover { border-color: var(--amber); }
.quiz-word-bank {
    display: flex; flex-wrap: wrap; gap: 8px;
    padding: 14px; border: 1px solid var(--rule-2);
    border-radius: var(--radius-md); background: var(--bg-2);
    margin-bottom: 12px;
}
.quiz-answer-zone {
    display: flex; flex-wrap: wrap; gap: 8px;
    min-height: 54px;
    padding: 14px;
    border: 2px dashed var(--amber);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--amber) 5%, var(--bg));
    transition: background .15s;
}
.quiz-answer-zone.drag-over { background: color-mix(in srgb, var(--amber) 12%, var(--bg)); }
.quiz-zone-placeholder { font-size: 13px; color: var(--muted); align-self: center; font-style: italic; }

/* Matching */
.quiz-match-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 8px; }
.quiz-match-col { display: flex; flex-direction: column; gap: 8px; }
.quiz-match-left,
.quiz-match-right {
    padding: 10px 14px;
    border: 1px solid var(--rule-2);
    border-radius: var(--radius-md);
    background: var(--bg-2);
    cursor: pointer; font-size: 14px;
    transition: border-color .15s, background .15s;
}
.quiz-match-left:hover,
.quiz-match-right:hover { border-color: var(--amber); }
.quiz-match-left.selected { border-color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, var(--bg)); }
.quiz-match-left.matched  { border-color: var(--brand-success, #6B8E5A); color: var(--brand-success, #6B8E5A); }
.quiz-match-state { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 6px; }

/* Buckets (categorisation) */
.quiz-buckets { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.quiz-bucket { border: 1px solid var(--rule-2); border-radius: var(--radius-md); overflow: hidden; }
.quiz-bucket-head {
    background: var(--amber); color: #1B1306;
    padding: 8px 14px; font-weight: 600; font-size: 13px; text-align: center;
}
.quiz-bucket-body {
    display: flex; flex-wrap: wrap; gap: 8px;
    min-height: 80px; padding: 10px;
    background: var(--bg-2);
    transition: background .15s;
}
.quiz-bucket-body.drag-over { background: color-mix(in srgb, var(--amber) 10%, var(--bg-2)); }

/* Gapped text */
.quiz-gapped-text { line-height: 2; font-size: 17px; margin-bottom: 16px; }
.quiz-gap-slot {
    display: inline-flex; align-items: center;
    padding: 2px 10px; margin: 0 3px;
    border: 1px solid var(--amber);
    border-radius: var(--radius-sm);
    background: transparent; color: var(--text);
    font: inherit; font-size: 15px; cursor: pointer;
    transition: background .15s;
    min-width: 60px; text-align: center;
}
.quiz-gap-slot.active { outline: 2px solid var(--amber); outline-offset: 2px; }
.quiz-gap-slot.filled { background: var(--amber); color: #1B1306; border-color: var(--amber); }

/* Geo sequence */
.quiz-geo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; margin-bottom: 12px; }
.quiz-geo-img  { width: 100%; max-height: 320px; object-fit: contain; border: 1px solid var(--rule-2); border-radius: var(--radius-md); }
.quiz-geo-step { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 10px; }
.quiz-geo-num  {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 24px; height: 24px;
    background: var(--bg-3); border-radius: 50%;
    font-size: 12px; color: var(--muted); font-family: var(--font-mono);
    letter-spacing: 0; text-transform: none; margin: 6px 0 0;
}
.quiz-geo-step .quiz-textarea { flex: 1; }

/* Result review */
.review-correct   { color: var(--brand-success, #6B8E5A); }
.review-incorrect { color: var(--brand-danger,  #9E4A3E); }
.review-muted     { color: var(--muted); }

@media (max-width: 600px) {
    .quiz-match-grid { grid-template-columns: 1fr; }
    .quiz-geo-grid   { grid-template-columns: 1fr; }
}

/* ---------- Flashcards ---------- */
.flashcard-wrap {
    max-width: 720px; margin: 0 auto; padding: 40px 32px 80px;
    text-align: center;
}
.flashcard-progress {
    font-family: var(--font-mono); font-size: 12px;
    color: var(--muted); letter-spacing: .08em;
    margin-bottom: 24px;
}
.flashcard {
    background: var(--bg-2);
    border: 1px solid var(--rule);
    border-radius: var(--radius-lg);
    padding: 64px 40px;
    min-height: 280px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-serif);
    font-variation-settings: "opsz" 96, "SOFT" 40;
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 500;
    line-height: 1.3;
    cursor: pointer;
    transition: border-color .15s;
    margin-bottom: 20px;
}
.flashcard:hover { border-color: var(--amber); }
.flashcard .side { display: none; }
.flashcard .side.active { display: block; }

.flashcard-actions {
    display: flex; gap: 12px; justify-content: center;
    margin-top: 24px;
}

@media (max-width: 560px) {
    .attempt-row { grid-template-columns: 1fr auto; }
    .question { padding: 20px 22px; }
}