/* ============================================================
   BesicEdu — Quiz runner (assessment)
   Tokens only — DESIGN_SYSTEM.md §2.3.
   Default state: primary. Success on correct, warm on wrong feedback.
   ============================================================ */

.bedu-quiz {
    background: var(--bedu-surface);
    border: 1px solid var(--bedu-border);
    border-radius: var(--bedu-radius-lg);
    box-shadow: var(--bedu-shadow-sm);
    padding: var(--bedu-space-5);
    max-width: 760px;
    margin: 0 auto;
    color: var(--bedu-text);
}

/* ─── Header (progress + timer) ────────────────────────────── */
.bedu-quiz__head {
    display: flex;
    align-items: center;
    gap: var(--bedu-space-3);
    margin-bottom: var(--bedu-space-4);
}
.bedu-quiz__progress {
    flex: 1;
    height: 6px;
    background: var(--bedu-surface-muted);
    border-radius: var(--bedu-radius-pill);
    overflow: hidden;
}
.bedu-quiz__progress > span {
    display: block;
    height: 100%;
    background: var(--bedu-primary);
    width: 0%;
    transition: width var(--bedu-dur) var(--bedu-ease);
}
.bedu-quiz__count {
    font-variant-numeric: tabular-nums;
    color: var(--bedu-text-muted);
    font-size: 0.9rem;
    min-width: 64px;
    text-align: right;
}
.bedu-quiz__timer {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--bedu-text-muted);
    font-variant-numeric: tabular-nums;
    font-size: 0.9rem;
    padding: 4px 10px;
    border: 1px solid var(--bedu-border);
    border-radius: var(--bedu-radius-pill);
    background: var(--bedu-surface);
}
.bedu-quiz__timer[data-warning="true"] {
    color: var(--bedu-warm-600);
    border-color: var(--bedu-warm);
}

/* ─── Prompt + body ──────────────────────────────────────── */
.bedu-quiz__prompt {
    font-family: var(--bedu-font-heading);
    font-size: 1.15rem;
    line-height: 1.45;
    color: var(--bedu-text);
    margin: 0 0 var(--bedu-space-4);
}

/* ─── MCQ / MULTI / TF choices ──────────────────────────── */
.bedu-quiz__choices {
    display: flex;
    flex-direction: column;
    gap: var(--bedu-space-2);
    margin-bottom: var(--bedu-space-4);
}
.bedu-quiz__choice {
    display: flex;
    align-items: center;
    gap: var(--bedu-space-3);
    padding: 12px 16px;
    border: 1px solid var(--bedu-border);
    border-radius: var(--bedu-radius);
    background: var(--bedu-surface);
    cursor: pointer;
    font-size: 1rem;
    transition: border-color var(--bedu-dur-fast) var(--bedu-ease),
                background-color var(--bedu-dur-fast) var(--bedu-ease);
    text-align: left;
}
.bedu-quiz__choice:hover {
    border-color: var(--bedu-primary);
    background: var(--bedu-primary-50);
}
.bedu-quiz__choice[data-selected="true"] {
    border-color: var(--bedu-primary);
    background: var(--bedu-primary-50);
}
.bedu-quiz__choice[data-state="correct"] {
    border-color: var(--bedu-success);
    background: var(--bedu-success-50);
    color: var(--bedu-text);
}
.bedu-quiz__choice[data-state="wrong"] {
    border-color: var(--bedu-warm);
    background: var(--bedu-warm-50);
    color: var(--bedu-text);
}
.bedu-quiz__choice-bullet {
    width: 22px; height: 22px;
    border: 2px solid var(--bedu-border);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--bedu-primary);
    flex-shrink: 0;
}
.bedu-quiz__choice[data-selected="true"] .bedu-quiz__choice-bullet,
.bedu-quiz__choice[data-state="correct"] .bedu-quiz__choice-bullet {
    border-color: var(--bedu-primary);
    background: var(--bedu-primary);
    color: #fff;
}
.bedu-quiz__choice[data-state="wrong"] .bedu-quiz__choice-bullet {
    border-color: var(--bedu-warm);
    background: var(--bedu-warm);
    color: #fff;
}

/* ─── Fill / Short input ─────────────────────────────────── */
.bedu-quiz__input,
.bedu-quiz__short {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--bedu-border);
    border-radius: var(--bedu-radius-sm);
    background: var(--bedu-surface);
    color: var(--bedu-text);
    font-size: 1rem;
    font-family: var(--bedu-font-body);
}
.bedu-quiz__input:focus,
.bedu-quiz__short:focus {
    outline: none;
    border-color: var(--bedu-primary);
    box-shadow: 0 0 0 3px var(--bedu-primary-50);
}
.bedu-quiz__fill {
    display: flex;
    flex-wrap: wrap;
    gap: var(--bedu-space-2);
    align-items: center;
    font-size: 1.05rem;
    line-height: 1.8;
}
.bedu-quiz__blank {
    display: inline-block;
    min-width: 100px;
    padding: 4px 10px;
    border-bottom: 2px solid var(--bedu-primary);
    border-radius: 0;
    background: transparent;
    color: var(--bedu-text);
    text-align: center;
    font-size: 1rem;
}
.bedu-quiz__blank:focus {
    outline: none;
    border-bottom-color: var(--bedu-primary-600);
    background: var(--bedu-primary-50);
}

/* ─── Ordering ───────────────────────────────────────────── */
.bedu-quiz__order-list {
    display: flex;
    flex-direction: column;
    gap: var(--bedu-space-2);
    list-style: none;
    margin: 0; padding: 0;
}
.bedu-quiz__order-item {
    display: flex;
    align-items: center;
    gap: var(--bedu-space-3);
    padding: 10px 14px;
    border: 1px solid var(--bedu-border);
    background: var(--bedu-surface);
    border-radius: var(--bedu-radius-sm);
    cursor: grab;
    user-select: none;
}
.bedu-quiz__order-item:active { cursor: grabbing; }
.bedu-quiz__order-item[data-dragging="true"] {
    opacity: 0.5;
}
.bedu-quiz__order-handle {
    color: var(--bedu-text-muted);
    cursor: grab;
}
.bedu-quiz__order-index {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--bedu-primary-50);
    color: var(--bedu-primary-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    font-variant-numeric: tabular-nums;
}

/* ─── Hotspot ────────────────────────────────────────────── */
.bedu-quiz__hotspot {
    position: relative;
    display: inline-block;
    max-width: 100%;
    border: 1px solid var(--bedu-border);
    border-radius: var(--bedu-radius);
    overflow: hidden;
    cursor: crosshair;
}
.bedu-quiz__hotspot img {
    display: block;
    max-width: 100%;
    height: auto;
}
.bedu-quiz__hotspot-mark {
    position: absolute;
    width: 28px;
    height: 28px;
    margin: -14px 0 0 -14px;
    border-radius: 50%;
    background: var(--bedu-primary);
    border: 3px solid #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,.3);
    pointer-events: none;
}

/* ─── Actions ────────────────────────────────────────────── */
.bedu-quiz__actions {
    display: flex;
    justify-content: space-between;
    gap: var(--bedu-space-3);
    margin-top: var(--bedu-space-5);
}
.bedu-quiz__actions .bedu-btn { min-width: 120px; }

/* ─── Feedback bubble (inline) ───────────────────────────── */
.bedu-quiz__feedback {
    margin-top: var(--bedu-space-3);
    padding: 12px 14px;
    border-radius: var(--bedu-radius-sm);
    font-size: 0.95rem;
    display: none;
}
.bedu-quiz__feedback[data-state="correct"] {
    display: block;
    background: var(--bedu-success-50);
    color: var(--bedu-success-600);
    border: 1px solid var(--bedu-success);
}
.bedu-quiz__feedback[data-state="wrong"] {
    display: block;
    background: var(--bedu-warm-50);
    color: var(--bedu-warm-600);
    border: 1px solid var(--bedu-warm);
}

/* ─── Loading / empty / error ─────────────────────────────── */
.bedu-quiz__status {
    text-align: center;
    padding: var(--bedu-space-6);
    color: var(--bedu-text-muted);
}
.bedu-quiz__spinner {
    width: 36px; height: 36px;
    margin: 0 auto var(--bedu-space-3);
    border: 3px solid var(--bedu-primary-50);
    border-top-color: var(--bedu-primary);
    border-radius: 50%;
    animation: bedu-quiz-spin 800ms linear infinite;
}
@keyframes bedu-quiz-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .bedu-quiz__spinner { animation: none; } }

/* ─── Result screen ──────────────────────────────────────── */
.bedu-quiz-result {
    text-align: center;
    padding: var(--bedu-space-5);
}
.bedu-quiz-result__score {
    font-family: var(--bedu-font-heading);
    font-size: 3rem;
    font-weight: 800;
    margin: var(--bedu-space-2) 0;
    color: var(--bedu-primary);
}
.bedu-quiz-result__score[data-state="passed"] { color: var(--bedu-success-600); }
.bedu-quiz-result__score[data-state="failed"] { color: var(--bedu-warm-600); }
.bedu-quiz-result__line {
    color: var(--bedu-text-muted);
    margin-bottom: var(--bedu-space-3);
}

/* ─── Competency radar — simple bar list (no chart lib) ───── */
.bedu-quiz-radar {
    margin-top: var(--bedu-space-5);
    background: var(--bedu-surface-muted);
    border: 1px solid var(--bedu-border);
    border-radius: var(--bedu-radius);
    padding: var(--bedu-space-4);
}
.bedu-quiz-radar__title {
    font-family: var(--bedu-font-heading);
    font-weight: 700;
    margin-bottom: var(--bedu-space-3);
    color: var(--bedu-text);
}
.bedu-quiz-radar__item {
    display: flex;
    align-items: center;
    gap: var(--bedu-space-3);
    margin-bottom: var(--bedu-space-2);
}
.bedu-quiz-radar__name {
    min-width: 140px;
    color: var(--bedu-text);
    font-size: 0.92rem;
}
.bedu-quiz-radar__bar {
    flex: 1;
    height: 10px;
    background: var(--bedu-surface);
    border: 1px solid var(--bedu-border);
    border-radius: var(--bedu-radius-pill);
    overflow: hidden;
}
.bedu-quiz-radar__bar > span {
    display: block;
    height: 100%;
    background: var(--bedu-primary);
    width: 0%;
    transition: width var(--bedu-dur) var(--bedu-ease);
}
.bedu-quiz-radar__bar[data-tier="strong"] > span { background: var(--bedu-success); }
.bedu-quiz-radar__bar[data-tier="weak"] > span { background: var(--bedu-warm); }
.bedu-quiz-radar__pct {
    min-width: 48px;
    font-variant-numeric: tabular-nums;
    font-size: 0.88rem;
    color: var(--bedu-text-muted);
    text-align: right;
}

/* ─── Anti-cheat banner ──────────────────────────────────── */
.bedu-quiz-cheat-banner {
    margin-bottom: var(--bedu-space-3);
    padding: 8px 12px;
    background: var(--bedu-warm-50);
    color: var(--bedu-warm-600);
    border: 1px solid var(--bedu-warm);
    border-radius: var(--bedu-radius-sm);
    font-size: 0.88rem;
    display: none;
}
.bedu-quiz-cheat-banner[data-visible="true"] { display: block; }