/* ============================================================
   QuizPage.css
   Styles for the standalone Quiz hub and detail pages.
   ============================================================ */

/* ── Hub page ────────────────────────────────────────────── */
.quiz-hub-page {
    min-height: 60vh;
}

.quiz-hub-header {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 0.5rem;
}

.quiz-hub-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--primary-color, #3b82f6);
    color: #fff;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.quiz-hub-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0 0 0.4rem;
    color: var(--heading-color, #111827);
}

.quiz-hub-header p {
    font-size: 0.95rem;
    color: var(--text-muted, #6b7280);
    margin: 0;
    max-width: 600px;
}

.quiz-hub-empty {
    text-align: center;
    color: var(--text-muted, #6b7280);
    padding: 3rem 0;
    font-size: 1rem;
}

/* ── Cards grid ──────────────────────────────────────────── */
.quiz-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

/* ── Individual card ─────────────────────────────────────── */
.quiz-card {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    background: var(--card-bg, #fff);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.quiz-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color, #3b82f6);
}

.quiz-card-context {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.quiz-course-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-color, #3b82f6);
    background: color-mix(in srgb, var(--primary-color, #3b82f6) 10%, transparent);
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
}

.quiz-module-badge {
    font-size: 0.75rem;
    color: var(--heading-color, #4b5563);
    background: var(--surface-alt, #f3f4f6);
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
}

.quiz-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--heading-color, #111827);
    margin: 0;
    line-height: 1.4;
}

.quiz-card-desc {
    font-size: 0.85rem;
    color: var(--text-muted, #6b7280);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.quiz-card-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 0.25rem;
}

.quiz-card-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-muted, #6b7280);
}

.quiz-card-btn {
    margin-top: 0.5rem;
    align-self: flex-start;
}

/* ── Detail page ─────────────────────────────────────────── */
.quiz-detail-page {
    min-height: 60vh;
}

.quiz-detail-header {
    margin-bottom: 0.5rem;
}

.quiz-detail-context {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

/* ── Not-found state ─────────────────────────────────────── */
.quiz-not-found {
    min-height: 50vh;
    display: flex;
    align-items: center;
}

.quiz-not-found-icon {
    font-size: 3rem;
    color: var(--text-muted, #9ca3af);
    display: block;
    margin-bottom: 0.75rem;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
    .quiz-hub-header {
        flex-direction: column;
    }

    .quiz-cards-grid {
        grid-template-columns: 1fr;
    }
}

/* Visible course context and a keyboard-accessible path back to learning. */
.quiz-review-course a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.quiz-review-course a:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }