/* ============================================
   ExamHub – Mind-blowing exam experience
   Glassmorphism, flow state, gamification, psych tools
   User-friendly + lots of sample content styling
   ============================================ */

/* ---- Glassmorphism cards ---- */
.examhub-glass {
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1), 0 2px 8px rgba(0, 0, 0, 0.04);
    border-radius: 20px;
}
[data-theme="dark"] .examhub-glass {
    background: rgba(30, 41, 59, 0.88);
    border-color: rgba(148, 163, 184, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

/* ---- Level ring (circular progress) ---- */
.examhub-level-ring-wrap {
    width: 64px;
    height: 64px;
    position: relative;
    flex-shrink: 0;
}
.examhub-level-ring {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(var(--primary-indigo) 0deg calc(var(--ring-pct, 0) * 3.6deg), var(--bg-gray) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
}
.examhub-level-ring-inner {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--primary-indigo);
    box-shadow: inset 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* ---- Gamification strip (richer) ---- */
.examhub-gamification-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.14) 0%, rgba(139, 92, 246, 0.1) 50%, rgba(236, 72, 153, 0.06) 100%);
    border: 1px solid rgba(99, 102, 241, 0.25);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.12);
}
.examhub-xp {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--primary-indigo);
}
.examhub-xp i { color: #f59e0b; }
.examhub-level {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(139, 92, 246, 0.2));
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary-indigo);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}
.examhub-streak {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 700;
    color: #ea580c;
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    background: rgba(234, 88, 12, 0.12);
}
.examhub-streak i { animation: examhub-flame 1.2s ease-in-out infinite; filter: drop-shadow(0 0 4px rgba(234,88,12,0.5)); }
@keyframes examhub-flame {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.95; }
}
.examhub-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.examhub-badge-pill {
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.22), rgba(22, 163, 74, 0.15));
    color: #15803d;
    border: 1px solid rgba(34, 197, 94, 0.3);
}
.examhub-badge-pill.gold { background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(217, 119, 6, 0.15)); color: #b45309; border-color: rgba(245, 158, 11, 0.4); }
.examhub-badge-pill.purple { background: linear-gradient(135deg, rgba(139, 92, 246, 0.22), rgba(124, 58, 237, 0.15)); color: #6d28d9; border-color: rgba(139, 92, 246, 0.3); }
[data-theme="dark"] .examhub-badge-pill { background: rgba(34, 197, 94, 0.28); color: #4ade80; border-color: rgba(34, 197, 94, 0.4); }

/* ---- Quest cards (sample / real) ---- */
.examhub-quest-card {
    border-radius: 16px;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}
.examhub-quest-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12); }
.examhub-quest-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}
.examhub-quest-icon.practice { background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; }
.examhub-quest-icon.read { background: linear-gradient(135deg, #0ea5e9, #06b6d4); color: #fff; }
.examhub-quest-icon.streak { background: linear-gradient(135deg, #f97316, #ea580c); color: #fff; }
.examhub-quest-progress {
    height: 6px;
    border-radius: 9999px;
    background: var(--bg-gray);
    overflow: hidden;
    margin-top: 0.5rem;
}
.examhub-quest-progress-fill { height: 100%; border-radius: 9999px; background: linear-gradient(90deg, #22c55e, #16a34a); transition: width 0.3s ease; }

/* ---- Sample content cards (concept library) ---- */
.examhub-sample-card {
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.examhub-sample-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(99, 102, 241, 0.15); }
.examhub-sample-card-header {
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.examhub-sample-card-body {
    padding: 1rem 1.25rem;
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-gray);
}
.examhub-sample-card-type {
    padding: 0.25rem 0.6rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}
.examhub-sample-card-type.capsule { background: rgba(99, 102, 241, 0.15); color: var(--primary-indigo); }
.examhub-sample-card-type.mindmap { background: rgba(34, 197, 94, 0.15); color: #16a34a; }
.examhub-sample-card-type.mcq { background: rgba(245, 158, 11, 0.2); color: #b45309; }
.examhub-sample-card-type.pyq { background: rgba(236, 72, 153, 0.15); color: #db2777; }

/* ---- Welcome / empty state ---- */
.examhub-welcome-box {
    padding: 1.5rem 1.75rem;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px dashed rgba(99, 102, 241, 0.3);
    text-align: center;
}
.examhub-welcome-box .lead { font-weight: 600; color: var(--text-dark); }
.examhub-stat-big {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-indigo), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Mode switcher (Exam / Learn) ---- */
.examhub-mode-switcher {
    display: inline-flex;
    padding: 0.3rem;
    border-radius: 16px;
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.04);
}
.examhub-mode-btn {
    padding: 0.55rem 1.35rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    background: transparent;
    color: var(--text-gray);
    transition: all 0.25s;
    text-decoration: none;
}
.examhub-mode-btn.active {
    background: linear-gradient(135deg, var(--primary-indigo), #7c3aed);
    color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}
.examhub-mode-btn:not(.active):hover {
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary-indigo);
}

/* ---- Psychological: Breathing exercise ---- */
.examhub-breathing-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.2) 100%);
    margin: 0 auto 1rem;
    animation: examhub-breathe 12s ease-in-out infinite;
}
@keyframes examhub-breathe {
    0%, 100% { transform: scale(0.9); opacity: 0.85; }
    25% { transform: scale(1.15); opacity: 1; }
    50% { transform: scale(1.15); opacity: 1; }
    75% { transform: scale(0.9); opacity: 0.85; }
}
.examhub-quote-card {
    border-left: 4px solid var(--primary-indigo);
    padding: 1rem 1.25rem;
    background: rgba(99, 102, 241, 0.06);
    border-radius: 0 12px 12px 0;
}
.examhub-predicted-rank {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-indigo), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Mock exam: one-question flow ---- */
.examhub-mock-shell {
    max-width: 680px;
    margin: 0 auto;
}
/* ---- Mock exam gamification strip ---- */
.examhub-mock-gamification {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.08) 50%, rgba(249, 115, 22, 0.06) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.08);
}
.examhub-mock-streak-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.examhub-mock-streak {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: #ea580c;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    background: rgba(234, 88, 12, 0.12);
    border: 1px solid rgba(234, 88, 12, 0.25);
}
.examhub-mock-streak i { animation: examhub-flame 1.2s ease-in-out infinite; }
.examhub-mock-encouragement {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-gray);
    transition: color 0.25s;
}
.examhub-mock-encouragement.correct { color: #15803d; }
.examhub-mock-encouragement.wrong { color: #b91c1c; }
[data-theme="dark"] .examhub-mock-encouragement.correct { color: #4ade80; }
[data-theme="dark"] .examhub-mock-encouragement.wrong { color: #f87171; }

.examhub-progress-bar-wrap {
    height: 10px;
    border-radius: 9999px;
    background: var(--bg-gray);
    overflow: hidden;
}
.examhub-progress-bar-wrap--glow {
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06);
}
.examhub-progress-bar-fill {
    height: 100%;
    border-radius: 9999px;
    background: linear-gradient(90deg, var(--primary-indigo), #8b5cf6);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}
.examhub-timer {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    font-size: 1.25rem;
    padding: 0.35rem 0.75rem;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}
.examhub-timer.warning { background: #fef2f2; border-color: #fecaca; color: #dc2626; }
[data-theme="dark"] .examhub-timer.warning { background: #450a0a; border-color: #7f1d1d; color: #fca5a5; }

.examhub-question-card {
    padding: 1.75rem;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
}
.examhub-question-card.reveal { animation: examhub-reveal 0.35s ease; }
@keyframes examhub-reveal {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.examhub-option {
    display: block;
    width: 100%;
    text-align: left;
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    border-radius: 14px;
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
}
.examhub-option:hover {
    border-color: var(--primary-indigo);
    background: rgba(99, 102, 241, 0.06);
}
.examhub-option.selected {
    border-color: var(--primary-indigo);
    background: rgba(99, 102, 241, 0.12);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}
.examhub-option.correct {
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.12);
}
.examhub-option.wrong {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}
.examhub-option input { margin-right: 0.75rem; }

.examhub-feedback {
    margin-top: 1.25rem;
    padding: 1.25rem;
    border-radius: 14px;
    animation: examhub-reveal 0.3s ease;
}
.examhub-feedback.correct {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.3);
}
.examhub-feedback.wrong {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
}
.examhub-explainer-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}
.examhub-explainer-tab {
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s;
}
.examhub-explainer-tab:hover {
    border-color: var(--primary-indigo);
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary-indigo);
}

/* ---- AI Explainer modal ---- */
.examhub-explainer-modal {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}
.examhub-explainer-modal.show {
    display: flex;
    animation: examhub-fadeIn 0.2s ease;
}
@keyframes examhub-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.examhub-explainer-dialog {
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
}
.examhub-explainer-dialog .modal-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.examhub-explainer-dialog .modal-body {
    padding: 1.25rem;
    overflow-y: auto;
    flex: 1;
    min-height: 120px;
}
.examhub-explainer-dialog .modal-body.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
}

/* ---- Study Buddy FAB (exam context) ---- */
.examhub-study-buddy-fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1040;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.45);
    border: none;
    cursor: pointer;
    transition: transform 0.2s;
}
.examhub-study-buddy-fab:hover {
    transform: scale(1.08);
    color: #fff;
}

/* ---- XP pop (floating +10 XP) ---- */
.examhub-xp-pop-container {
    position: fixed;
    left: 50%;
    top: 40%;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 1055;
}
.examhub-xp-pop {
    display: block;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-size: 1.1rem;
    font-weight: 800;
    color: #0f172a;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
    opacity: 0;
    transform: translateY(10px) scale(0.9);
    transition: opacity 0.3s, transform 0.3s;
}
.examhub-xp-pop.show {
    opacity: 1;
    transform: translateY(-8px) scale(1.05);
}

/* ---- Milestone toast ---- */
.examhub-milestone-toast {
    position: fixed;
    left: 50%;
    top: 1.5rem;
    transform: translateX(-50%) translateY(-100px);
    padding: 0.75rem 1.5rem;
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-indigo), #7c3aed);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
    z-index: 1050;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
}
.examhub-milestone-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ---- Submit all button (gamified) ---- */
.examhub-btn-submit-all {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%) !important;
    border: none !important;
    color: #fff !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 20px rgba(34, 197, 94, 0.4);
    transition: transform 0.2s, box-shadow 0.2s !important;
}
.examhub-btn-submit-all:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(34, 197, 94, 0.5) !important;
    color: #fff !important;
}

/* ---- Submitted celebration block ---- */
.examhub-submitted-celebrate {
    padding: 2rem 1.5rem;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(236, 253, 245, 0.5) 100%);
    border: 1px solid rgba(34, 197, 94, 0.2);
    box-shadow: 0 8px 32px rgba(34, 197, 94, 0.15);
}
[data-theme="dark"] .examhub-submitted-celebrate {
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.95) 0%, rgba(5, 46, 22, 0.3) 100%);
    border-color: rgba(34, 197, 94, 0.3);
}
.examhub-celebrate-badge {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #f59e0b;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.25) 0%, rgba(245, 158, 11, 0.15) 100%);
    border-radius: 50%;
    animation: examhub-badge-pulse 1.5s ease-in-out infinite;
}
@keyframes examhub-badge-pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 12px rgba(245, 158, 11, 0); }
}
.examhub-celebrate-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-dark);
}
.examhub-celebrate-xp { font-size: 1.1rem; }
.examhub-xp-value {
    font-weight: 800;
    color: #16a34a;
}

/* ---- Celebration burst (confetti-like) ---- */
.examhub-celebrate-burst {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1060;
    overflow: hidden;
}
.examhub-celebrate-burst.active::before,
.examhub-celebrate-burst.active::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 200vmax;
    height: 200vmax;
    margin-left: -100vmax;
    margin-top: -100vmax;
    background: radial-gradient(circle, transparent 30%, rgba(99, 102, 241, 0.15) 35%, transparent 45%);
    animation: examhub-burst-ring 1.2s ease-out forwards;
}
.examhub-celebrate-burst.active::after {
    background: radial-gradient(circle, transparent 25%, rgba(245, 158, 11, 0.12) 35%, transparent 45%);
    animation-delay: 0.15s;
    animation-duration: 1.4s;
}
@keyframes examhub-burst-ring {
    from { transform: scale(0); opacity: 1; }
    to { transform: scale(1); opacity: 0; }
}

/* ---- Confetti placeholder (use canvas-confetti in JS) ---- */
.examhub-celebrate {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1060;
}

/* ---- Hero exam dashboard ---- */
.examhub-hero {
    padding: 1.5rem 0 2rem;
}
.examhub-hero-title {
    font-weight: 800;
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}
.examhub-hero-subtitle {
    color: var(--text-gray);
    font-size: 0.95rem;
}
.examhub-quick-card {
    height: 100%;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    padding: 1.35rem;
    transition: transform 0.25s, box-shadow 0.25s;
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    overflow: hidden;
}
.examhub-quick-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-indigo), #8b5cf6);
    opacity: 0;
    transition: opacity 0.2s;
}
.examhub-quick-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(99, 102, 241, 0.18);
    color: inherit;
    border-color: rgba(99, 102, 241, 0.35);
}
.examhub-quick-card:hover::before { opacity: 1; }
.examhub-quick-card .examhub-quick-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}
.examhub-quick-card-icon.calendar { background: linear-gradient(135deg, #6366f1, #4f46e5); color: #fff; }
.examhub-quick-card-icon.book { background: linear-gradient(135deg, #0ea5e9, #06b6d4); color: #fff; }
.examhub-quick-card-icon.bolt { background: linear-gradient(135deg, #f59e0b, #ea580c); color: #fff; }
.examhub-quick-card--empty .examhub-quick-card-icon.bolt { opacity: 0.85; }
.examhub-quick-card--empty:hover .examhub-quick-card-icon.bolt { opacity: 1; }

/* ---- Nav: Prev / Next ---- */
.examhub-nav-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* ---- Mobile ---- */
@media (max-width: 576px) {
    .examhub-gamification-strip { padding: 0.6rem 1rem; gap: 0.75rem; }
    .examhub-question-card { padding: 1.25rem; }
    .examhub-option { padding: 0.85rem 1rem; }
}