/* ═══════════════════════════════════════════════════════
   MCQ Platform Styles — Premium Dark Theme
   ═══════════════════════════════════════════════════════ */

/* ─── Hero Section ─── */
.mcq-hero {
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mcq-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
    animation: mcqHeroPulse 8s ease-in-out infinite;
}

@keyframes mcqHeroPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.mcq-hero-icon {
    display: inline-flex;
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 16px;
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.3);
}

.mcq-hero-small .mcq-hero-icon[style*="--hero-color"] {
    background: linear-gradient(135deg, var(--hero-color, #6366f1), color-mix(in srgb, var(--hero-color, #6366f1), #000 20%));
}

.mcq-hero-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    margin: 0 0 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.mcq-hero-subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ─── Breadcrumb ─── */
.mcq-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.mcq-breadcrumb a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.2s;
}

.mcq-breadcrumb a:hover {
    color: #fff;
}

.mcq-breadcrumb i {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.3);
}

.mcq-breadcrumb span {
    color: rgba(255, 255, 255, 0.8);
}

/* ─── Courses Grid ─── */
.mcq-courses-section,
.mcq-content-section {
    padding: 50px 0 80px;
    background: #0a0a14;
}

.mcq-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.mcq-course-card {
    background: linear-gradient(145deg, #13132a, #1a1a35);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 28px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mcq-course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-color, #6366f1);
    opacity: 0.6;
    transition: opacity 0.3s;
}

.mcq-course-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.mcq-course-card:hover::before {
    opacity: 1;
}

.mcq-course-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--card-color, #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 16px;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
}

.mcq-course-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.mcq-course-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 16px;
    line-height: 1.5;
}

.mcq-course-stats {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.mcq-course-stats i {
    margin-right: 4px;
}

.mcq-course-arrow {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    transition: all 0.3s;
}

.mcq-course-card:hover .mcq-course-arrow {
    background: var(--card-color, #6366f1);
    color: #fff;
    transform: translateX(4px);
}

/* ─── Semester Tabs ─── */
.mcq-semester-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.mcq-semester-tab {
    padding: 10px 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
}

.mcq-semester-tab:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.mcq-semester-tab.active {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.mcq-semester-content {
    display: none;
}

.mcq-semester-content.active {
    display: block;
}

/* ─── Subject Cards ─── */
.mcq-subjects-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mcq-subject-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: linear-gradient(145deg, #13132a, #1a1a35);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s;
}

.mcq-subject-card:hover {
    background: linear-gradient(145deg, #1a1a35, #22224a);
    border-color: rgba(99, 102, 241, 0.2);
    transform: translateX(4px);
}

.mcq-subject-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 4px;
}

.mcq-subject-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
}

.mcq-subject-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

.mcq-subject-count i {
    margin-right: 4px;
}

/* ─── Section Cards ─── */
.mcq-sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.mcq-section-card {
    background: linear-gradient(145deg, #13132a, #1a1a35);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 24px;
    transition: all 0.3s;
}

.mcq-section-card:hover {
    border-color: rgba(99, 102, 241, 0.15);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.mcq-section-passed {
    border-color: rgba(16, 185, 129, 0.2);
}

.mcq-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.mcq-section-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    color: #fff;
}

.mcq-section-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 0 0 16px;
}

.mcq-section-info {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 16px;
}

.mcq-section-info i {
    margin-right: 4px;
}

.mcq-section-score {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 12px;
}

.mcq-section-action {
    margin-top: 8px;
}

/* ─── Badges ─── */
.mcq-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.mcq-badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.mcq-badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.mcq-badge-success-lg,
.mcq-badge-danger-lg {
    padding: 10px 24px;
    border-radius: 10px;
    font-size: 1rem;
}

.mcq-badge-success-lg {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.mcq-badge-danger-lg {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* ─── Buttons ─── */
.mcq-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    outline: none;
}

.mcq-btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.mcq-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.mcq-btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mcq-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.mcq-btn-success {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.mcq-btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
}

.mcq-btn-submit {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    font-size: 1.05rem;
    padding: 14px 32px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.mcq-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.mcq-btn-disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

/* ─── Empty State ─── */
.mcq-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: rgba(255, 255, 255, 0.4);
}

.mcq-empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

.mcq-empty-state h3 {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
}

/* ═══════════════════════════════════════════════════════
   EXAM INTERFACE
   ═══════════════════════════════════════════════════════ */

.mcq-exam-container {
    min-height: 100vh;
    background: #0a0a14;
    padding-bottom: 40px;
}

/* ─── Top Bar ─── */
.mcq-exam-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background: linear-gradient(145deg, #13132a, #1a1a35);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: sticky;
    top: 0;
    z-index: 100;
}

.mcq-exam-topbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.mcq-exam-course {
    font-weight: 600;
    color: #6366f1;
}

.mcq-exam-divider {
    color: rgba(255, 255, 255, 0.2);
}

.mcq-exam-topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mcq-timer {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    font-weight: 700;
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
}

.mcq-timer.warning {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.mcq-timer.danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    animation: mcqTimerPulse 1s infinite;
}

@keyframes mcqTimerPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.mcq-progress-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ─── Progress Bar ─── */
.mcq-progress-bar-container {
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
}

.mcq-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #10b981);
    border-radius: 2px;
    transition: width 0.4s ease;
}

/* ─── Question Area ─── */
.mcq-question-area {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.mcq-question-number {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mcq-question-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.7;
    margin-bottom: 32px;
    padding: 24px;
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.06), rgba(139, 92, 246, 0.03));
    border-radius: 14px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

/* ─── Options ─── */
.mcq-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mcq-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 12px;
    background: linear-gradient(145deg, #13132a, #1a1a35);
    border: 2px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: all 0.3s;
    color: rgba(255, 255, 255, 0.8);
    user-select: none;
}

.mcq-option:hover {
    border-color: rgba(99, 102, 241, 0.3);
    background: linear-gradient(145deg, #1a1a3a, #22224a);
}

.mcq-option.selected {
    border-color: #6366f1;
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}

.mcq-option-letter {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    flex-shrink: 0;
    transition: all 0.3s;
}

.mcq-option.selected .mcq-option-letter {
    background: #6366f1;
    color: #fff;
}

.mcq-option-text {
    flex: 1;
    font-size: 1rem;
    line-height: 1.5;
}

.mcq-option-check {
    opacity: 0;
    color: #6366f1;
    transition: opacity 0.3s;
}

.mcq-option.selected .mcq-option-check {
    opacity: 1;
}

/* ─── Navigation ─── */
.mcq-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 20px 0;
    gap: 12px;
}

.mcq-question-dots {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 500px;
}

.mcq-dot {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mcq-dot:hover {
    background: rgba(255, 255, 255, 0.08);
}

.mcq-dot.current {
    border-color: #6366f1;
    background: rgba(99, 102, 241, 0.15);
    color: #6366f1;
}

.mcq-dot.answered {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
    color: #10b981;
}

/* ─── Submit Area ─── */
.mcq-submit-area {
    text-align: center;
    padding: 30px 20px;
}


/* ─── Modals ─── */
.mcq-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    padding: 20px;
    animation: mcqFadeIn 0.3s ease;
}

@keyframes mcqFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.mcq-modal {
    background: linear-gradient(145deg, #1a1a35, #22224a);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    max-width: 440px;
    width: 90%;
    text-align: center;
    color: #fff;
}

.mcq-modal-icon {
    font-size: 3rem;
    color: #f59e0b;
    margin-bottom: 16px;
}

.mcq-modal h3 {
    font-size: 1.3rem;
    margin: 0 0 12px;
}

.mcq-modal p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 8px;
}

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

/* ═══════════════════════════════════════════════════════
   RESULT PAGE
   ═══════════════════════════════════════════════════════ */

.mcq-result-section {
    padding: 50px 0 80px;
    background: #0a0a14;
}

.mcq-result-card {
    max-width: 600px;
    margin: 0 auto 40px;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.mcq-result-passed {
    background: linear-gradient(145deg, rgba(16, 185, 129, 0.05), #13132a);
    border-color: rgba(16, 185, 129, 0.15);
}

.mcq-result-failed {
    background: linear-gradient(145deg, rgba(239, 68, 68, 0.05), #13132a);
    border-color: rgba(239, 68, 68, 0.1);
}

.mcq-result-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.mcq-result-passed .mcq-result-icon {
    color: #10b981;
}

.mcq-result-failed .mcq-result-icon {
    color: #ef4444;
}

.mcq-result-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    margin: 0 0 8px;
}

.mcq-result-subtitle {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 32px;
}

/* ─── Score Circle ─── */
.mcq-result-score {
    margin: 0 0 32px;
}

.mcq-score-circle {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto;
}

.mcq-score-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.mcq-score-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 8;
}

.mcq-score-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dasharray 1.5s ease;
}

.mcq-result-passed .mcq-score-fill {
    stroke: #10b981;
}

.mcq-result-failed .mcq-score-fill {
    stroke: #ef4444;
}

.mcq-score-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.mcq-score-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
}

.mcq-score-total {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ─── Result Stats ─── */
.mcq-result-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.mcq-result-stat {
    padding: 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
}

.mcq-result-stat-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
}

.mcq-result-stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 4px;
}

.mcq-result-badge {
    margin-bottom: 24px;
}

.mcq-result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ─── Answer Review ─── */
.mcq-review-section {
    max-width: 800px;
    margin: 0 auto;
}

.mcq-review-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mcq-review-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mcq-review-item {
    background: linear-gradient(145deg, #13132a, #1a1a35);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 24px;
    border-left: 4px solid;
}

.mcq-review-item.correct {
    border-left-color: #10b981;
}

.mcq-review-item.wrong {
    border-left-color: #ef4444;
}

.mcq-review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.mcq-review-number {
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.mcq-review-badge {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.mcq-review-badge.correct {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.mcq-review-badge.wrong {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.mcq-review-question {
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.6;
    margin-bottom: 16px;
}

.mcq-review-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mcq-review-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.mcq-review-option.correct-answer {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.mcq-review-option.wrong-answer {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.mcq-review-option-letter {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.mcq-review-option.correct-answer .mcq-review-option-letter {
    background: #10b981;
    color: #fff;
}

.mcq-review-option.wrong-answer .mcq-review-option-letter {
    background: #ef4444;
    color: #fff;
}

.mcq-review-explanation {
    margin-top: 12px;
    padding: 12px 16px;
    background: rgba(245, 158, 11, 0.06);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    line-height: 1.5;
    border-left: 3px solid #f59e0b;
}

.mcq-review-explanation i {
    color: #f59e0b;
    margin-right: 6px;
}

/* ─── Confetti ─── */
.mcq-confetti {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.mcq-confetti-piece {
    position: absolute;
    top: -10px;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    animation: mcqConfettiFall linear forwards;
}

@keyframes mcqConfettiFall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 1;
    }

    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .mcq-hero {
        padding: 50px 0 40px;
    }

    .mcq-hero-title {
        font-size: 1.6rem;
    }

    .mcq-courses-grid {
        grid-template-columns: 1fr;
    }

    .mcq-sections-grid {
        grid-template-columns: 1fr;
    }

    .mcq-exam-topbar {
        flex-direction: column;
        gap: 8px;
        padding: 10px 16px;
    }

    .mcq-exam-topbar-left {
        font-size: 0.8rem;
    }

    .mcq-question-text {
        font-size: 1rem;
        padding: 16px;
    }

    .mcq-option {
        padding: 12px 16px;
    }

    .mcq-result-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .mcq-result-title {
        font-size: 1.4rem;
    }

    .mcq-question-dots {
        max-width: 280px;
    }

    .mcq-dot {
        width: 28px;
        height: 28px;
        font-size: 0.65rem;
    }

    .mcq-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ─── Review & Rating ─── */
.mcq-rating-card {
    background: linear-gradient(145deg, #13132a, #1a1a35);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 40px;
    text-align: center;
}

.mcq-rating-header h3 {
    margin: 0 0 8px;
    font-size: 1.4rem;
}

.mcq-rating-header p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 24px;
}

/* Interactive Star Rating */
.star-rating {
    display: flex;
    flex-direction: row-reverse;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.star-rating input {
    display: none;
}

.star-rating label {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: color 0.2s;
}

.star-rating label:hover,
.star-rating label:hover~label,
.star-rating input:checked~label {
    color: #f59e0b;
}

/* Read-only Stars */
.stars.display {
    color: #f59e0b;
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.stars.display i {
    color: rgba(255, 255, 255, 0.1);
}

.stars.display i.filled {
    color: #f59e0b;
}

.review-text {
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
    margin: 12px 0;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}