.quiz-detail, .quiz-result {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, rgba(67, 97, 238, 0.03) 100%);
    min-height: 100vh;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.quiz-detail::before, .quiz-result::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle at 50% 0%, rgba(67, 97, 238, 0.08), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.quiz-detail .container, .quiz-result .container {
    position: relative;
    z-index: 1;
}

.breadcrumbs {
    margin-bottom: 30px;
    font-size: 0.95rem;
    color: var(--gray);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 20px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(67, 97, 238, 0.1);
}

.breadcrumbs a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.breadcrumbs a:hover {
    color: var(--accent);
}

.quiz-header {
    position: relative;
    z-index: 1;
    margin: 0 auto 50px;
    padding: 60px 0;
    max-width: 1000px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--accent) 50%, var(--gradient-end) 100%);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(67, 97, 238, 0.3);
}

.quiz-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.quiz-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

.quiz-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
}

.quiz-header-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 2.5rem;
    color: white;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    }
}

.quiz-header h1 {
    margin-bottom: 1.2rem;
    font-size: 2.8rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.quiz-description {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 1rem;
    font-weight: 400;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.quiz-meta {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    margin: 2rem 0 0;
    flex-wrap: wrap;
}

.quiz-badge {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    padding: 0.7rem 1.6rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.quiz-badge:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.quiz-badge i {
    font-size: 1.1rem;
}

.questions-list {
    max-width: 800px;
    margin: 0 auto 40px;
}

.question-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(67, 97, 238, 0.12);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.question-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(67, 97, 238, 0.15);
    border-color: rgba(67, 97, 238, 0.2);
}

.question-text {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.question-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
}

.question-content {
    flex: 1;
}

.question-content p {
    margin: 0 0 12px 0;
    font-size: 1.1rem;
    color: var(--dark);
    line-height: 1.6;
}

.question-content p:last-child {
    margin-bottom: 0;
}

.question-content .codehilite {
    background: #1e1e1e;
    border-radius: 12px;
    padding: 16px;
    margin: 15px 0;
    overflow-x: auto;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.question-content .codehilite pre {
    margin: 0;
    padding: 0;
    background: transparent;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #d4d4d4;
}

.question-content code {
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: #e06c75;
}

.question-content .codehilite code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.question-card h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.25rem;
    color: var(--dark);
}

.answers-list {
    display: grid;
    gap: 12px;
}

.answer-option {
    position: relative;
}

.answer-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.answer-option label {
    display: flex;
    align-items: center;
    padding: 16px 20px 16px 60px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 2px solid rgba(67, 97, 238, 0.1);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    min-height: 60px;
}

.answer-option label:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.15);
    border-color: rgba(67, 97, 238, 0.25);
    background: rgba(255, 255, 255, 0.75);
}

.custom-radio {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border: 2px solid #cbd5e0;
    border-radius: 50%;
    background: white;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-radio::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    transform: scale(0);
    transition: transform 0.3s ease;
}

.answer-option input[type="radio"]:checked + label .custom-radio {
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 8px rgba(67, 97, 238, 0.15);
}

.answer-option input[type="radio"]:checked + label .custom-radio::after {
    transform: scale(1);
}

.answer-option input[type="radio"]:checked + label {
    background: rgba(67, 97, 238, 0.05);
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.answer-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: #f8fafc;
    border-radius: 8px;
    font-weight: 700;
    color: var(--gray);
    margin-right: 15px;
    flex-shrink: 0;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.answer-option input[type="radio"]:checked + label .answer-letter {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 3px 8px rgba(67, 97, 238, 0.2);
}

.answer-text {
    flex-grow: 1;
    font-size: 1rem;
    line-height: 1.5;
}

.quiz-submit {
    text-align: center;
    margin-top: 30px;
}

.score-container {
    display: flex;
    justify-content: center;
    margin: 40px 0;
}

.score-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 30px;
    padding: 50px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(67, 97, 238, 0.15);
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.score-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
}

.score-value {
    font-size: 4.5rem;
    font-weight: 800;
    margin: 20px 0 10px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}

.score-text {
    font-size: 1.3rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.score-percentage {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 25px;
}

.score-percentage span {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.progress-circle {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
}

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

.progress-circle circle {
    fill: none;
    stroke-width: 10;
    stroke-linecap: round;
    transform-origin: center;
}

.progress-background {
    stroke: #f0f2f5;
}

.progress-bar {
    stroke: var(--primary);
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 1.5s ease-in-out;
}

.progress-center {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: white;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.05);
}

.score-message {
    background: rgba(67, 97, 238, 0.05);
    border-radius: 50px;
    padding: 12px 20px;
    font-size: 1.1rem;
    font-weight: 500;
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.score-message i {
    color: var(--primary);
    font-size: 1.3rem;
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto 40px;
}

.summary-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(67, 97, 238, 0.12);
}

.summary-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(67, 97, 238, 0.15);
}

.summary-card.correct {
    border-top: 4px solid #22c55e;
}

.summary-card.incorrect {
    border-top: 4px solid #ef4444;
}

.summary-card.total {
    border-top: 4px solid var(--primary);
}

.summary-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.summary-card.correct .summary-icon {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.summary-card.incorrect .summary-icon {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.summary-card.total .summary-icon {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
}

.summary-content {
    flex-grow: 1;
    text-align: left;
}

.summary-count {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.summary-card.correct .summary-count {
    color: #22c55e;
}

.summary-card.incorrect .summary-count {
    color: #ef4444;
}

.summary-card.total .summary-count {
    color: var(--primary);
}

.summary-label {
    font-size: 0.95rem;
    color: var(--gray);
    margin-top: 5px;
}

.section-title {
    text-align: center;
    margin: 40px 0 30px;
    position: relative;
    padding-bottom: 20px;
    width: 100%;
}

.section-title i {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 15px;
    display: block;
}

.section-title span {
    display: block;
    font-size: 1rem;
    font-weight: normal;
    color: var(--gray);
    margin-top: 8px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
}

.results-list {
    max-width: 800px;
    margin: 0 auto;
}

.question-result {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(67, 97, 238, 0.12);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.question-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.question-status {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.question-status.correct {
    background: #dcfce7;
    color: #22c55e;
}

.question-status.incorrect {
    background: #fee2e2;
    color: #ef4444;
}

.question-text-result {
    flex: 1;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.question-text-result .question-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
}

.question-text-result .question-content {
    flex: 1;
}

.question-text-result .question-content p {
    margin: 0 0 10px 0;
    font-size: 1.1rem;
    color: var(--dark);
    line-height: 1.6;
}

.question-text-result .question-content p:last-child {
    margin-bottom: 0;
}

.question-text-result .question-content .codehilite {
    background: #1e1e1e;
    border-radius: 12px;
    padding: 16px;
    margin: 12px 0;
    overflow-x: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.question-text-result .question-content .codehilite pre {
    margin: 0;
    padding: 0;
    background: transparent;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #d4d4d4;
}

.question-text-result .question-content code {
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: #e06c75;
}

.question-text-result .question-content .codehilite code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.question-result h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--dark);
}

.answers-result {
    display: grid;
    gap: 10px;
}

.answer-result {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
}

.answer-result.correct {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.answer-result.incorrect {
    background: #fef2f2;
    border-color: #fecaca;
}

.answer-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
    border-radius: 50%;
    background: white;
    font-size: 1.2rem;
}

.answer-result.correct .answer-icon {
    background: #22c55e;
    color: white;
}

.answer-result.incorrect .answer-icon {
    background: #ef4444;
    color: white;
}

.answer-content {
    display: flex;
    align-items: center;
}

.answer-letter {
    font-weight: 700;
    margin-right: 10px;
    width: 24px;
}

.answer-result.correct .answer-letter {
    color: #22c55e;
}

.answer-result.incorrect .answer-letter {
    color: #ef4444;
}

.explanation-box {
    display: flex;
    background: rgba(67, 97, 238, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 18px 20px;
    margin-top: 20px;
    border-left: 4px solid var(--primary);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.1);
}

.explanation-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-right: 15px;
    flex-shrink: 0;
}

.explanation-text {
    color: var(--gray);
    line-height: 1.6;
}

.quiz-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
}

.answer-option input[type="radio"]:focus-visible + label {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@keyframes radioPulse {
    0% { box-shadow: 0 0 0 0 rgba(67, 97, 238, 0.2); }
    70% { box-shadow: 0 0 0 12px rgba(67, 97, 238, 0); }
    100% { box-shadow: 0 0 0 0 rgba(67, 97, 238, 0); }
}

.answer-option input[type="radio"]:checked + label .custom-radio {
    animation: radioPulse 0.6s ease;
}

.dark-mode .quiz-detail,
.dark-mode .quiz-result {
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(72, 149, 239, 0.05) 100%);
}

.dark-mode .quiz-detail::before,
.dark-mode .quiz-result::before {
    background: radial-gradient(circle at 50% 0%, rgba(72, 149, 239, 0.12), transparent 50%);
}

.dark-mode .breadcrumbs {
    background: rgba(26, 35, 50, 0.7);
    border-color: rgba(72, 149, 239, 0.15);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    color: var(--text-secondary);
}

.dark-mode .breadcrumbs a {
    color: #4895ef;
}

.dark-mode .breadcrumbs a:hover {
    color: #4cc9f0;
}

.dark-mode .quiz-header {
    background: linear-gradient(135deg, #4895ef 0%, #5aa3f0 50%, #4cc9f0 100%);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.dark-mode .quiz-header-icon {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.dark-mode .quiz-badge {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.25);
}

.dark-mode .quiz-badge:hover {
    background: rgba(255, 255, 255, 0.3);
}

.dark-mode .question-card,
.dark-mode .score-card,
.dark-mode .question-result,
.dark-mode .summary-card {
    background: rgba(26, 35, 50, 0.7);
    border-color: rgba(72, 149, 239, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.dark-mode .question-card:hover,
.dark-mode .summary-card:hover {
    box-shadow: 0 12px 40px rgba(72, 149, 239, 0.25);
    border-color: rgba(72, 149, 239, 0.25);
}

.dark-mode .answer-option label {
    background: rgba(26, 35, 50, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-color: rgba(72, 149, 239, 0.2);
}

.dark-mode .answer-option label:hover {
    border-color: rgba(72, 149, 239, 0.35);
    box-shadow: 0 6px 20px rgba(72, 149, 239, 0.2);
    background: rgba(26, 35, 50, 0.75);
}

.dark-mode .custom-radio {
    border-color: #4b5563;
    background: #1f2937;
}

.dark-mode .answer-option input[type="radio"]:checked + label .custom-radio {
    border-color: var(--accent);
    box-shadow: 0 0 0 8px rgba(72, 149, 239, 0.15);
}

.dark-mode .answer-option input[type="radio"]:checked + label {
    background: rgba(72, 149, 239, 0.1);
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(72, 149, 239, 0.2);
}

.dark-mode .answer-letter {
    background: #1a1a1a;
    border-color: #333;
    color: #a0aec0;
}

.dark-mode .answer-option input[type="radio"]:checked + label .answer-letter {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.dark-mode .progress-background {
    stroke: #2d2d2d;
}

.dark-mode .progress-center {
    background: #1e1e1e;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.2);
}

.dark-mode .score-message {
    background: rgba(72, 149, 239, 0.1);
}

.dark-mode .question-status.correct {
    background: rgba(34, 197, 94, 0.15);
}

.dark-mode .question-status.incorrect {
    background: rgba(239, 68, 68, 0.15);
}

.dark-mode .question-content p,
.dark-mode .question-text-result .question-content p {
    color: var(--text-primary);
}

.dark-mode .question-number {
    color: #4895ef;
}

.dark-mode .question-content code,
.dark-mode .question-text-result .question-content code {
    color: #4cc9f0;
}

.dark-mode .question-content .codehilite,
.dark-mode .question-text-result .question-content .codehilite {
    background: #0d0d0d;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.dark-mode .question-result h3 {
    color: #f0f0f0;
}

.dark-mode .answer-result {
    background: #1f2937;
    border-color: #374151;
}

.dark-mode .explanation-box {
    background: rgba(72, 149, 239, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-left-color: #4895ef;
    box-shadow: 0 4px 12px rgba(72, 149, 239, 0.15);
}

@media (max-width: 768px) {
    .quiz-header {
        padding: 50px 0;
        border-radius: 25px;
        margin: 0 20px 40px;
        max-width: calc(100% - 40px);
    }

    .quiz-header-content {
        padding: 0 25px;
        max-width: 100%;
    }

    .quiz-header-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
        margin-bottom: 25px;
    }

    .quiz-header h1 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }

    .quiz-description {
        font-size: 1rem;
        line-height: 1.5;
    }

    .quiz-meta {
        margin: 1.5rem 0 0;
    }

    .question-card,
    .question-result,
    .score-card {
        padding: 20px;
    }

    .answer-option label {
        padding: 14px 18px;
    }

    .custom-radio {
        display: none;
    }

    .answer-option input[type="radio"]:checked + label {
        background: linear-gradient(135deg, rgba(67, 97, 238, 0.15), rgba(76, 201, 240, 0.12));
        border-color: var(--primary);
        border-width: 3px;
        box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.25), 0 6px 20px rgba(67, 97, 238, 0.2);
        font-weight: 600;
    }

    .dark-mode .answer-option input[type="radio"]:checked + label {
        background: linear-gradient(135deg, rgba(72, 149, 239, 0.25), rgba(79, 172, 254, 0.2));
        border-color: #4895ef;
        box-shadow: 0 0 0 3px rgba(72, 149, 239, 0.3), 0 6px 20px rgba(72, 149, 239, 0.25);
    }

    .results-summary {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .score-card {
        padding: 30px 20px;
    }

    .score-value {
        font-size: 3.5rem;
    }

    .progress-circle {
        width: 140px;
        height: 140px;
    }

    .progress-center {
        width: 120px;
        height: 120px;
        top: 10px;
        left: 10px;
    }

    .quiz-actions {
        flex-direction: column;
        align-items: center;
    }

    .quiz-actions .btn {
        width: 100%;
        max-width: 300px;
    }

    .quiz-submit .btn {
        width: 100%;
        max-width: 400px;
        padding: 15px 30px;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-title i {
        font-size: 1.5rem;
    }

    .section-title span {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .quiz-header {
        padding: 40px 0;
        border-radius: 20px;
        margin: 0 15px 35px;
        max-width: calc(100% - 30px);
    }

    .quiz-header-content {
        padding: 0 20px;
    }

    .quiz-header-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
        margin-bottom: 20px;
    }

    .quiz-header h1 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .quiz-description {
        font-size: 0.95rem;
    }

    .quiz-meta {
        margin: 1.3rem 0 0;
        gap: 0.8rem;
    }

    .quiz-badge {
        font-size: 0.85rem;
        padding: 0.55rem 1.1rem;
    }

    .quiz-badge i {
        font-size: 1rem;
    }

    .breadcrumbs {
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    .question-card {
        padding: 18px;
        border-radius: 16px;
    }

    .question-card h3 {
        font-size: 1.1rem;
        margin-bottom: 16px;
    }

    .answers-list {
        gap: 10px;
    }

    .answer-option label {
        padding: 12px 14px;
        font-size: 0.95rem;
        min-height: 50px;
        border-radius: 12px;
    }

    .answer-text {
        font-size: 0.95rem;
        line-height: 1.4;
    }

    .quiz-submit .btn {
        width: 100%;
        max-width: 100%;
        padding: 14px 24px;
        font-size: 0.95rem;
    }

    .score-card {
        padding: 25px 15px;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .section-title i {
        font-size: 1.3rem;
    }

    .section-title span {
        font-size: 0.9rem;
    }

    .summary-card {
        padding: 20px;
    }

    .summary-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .summary-count {
        font-size: 1.6rem;
    }

    .summary-label {
        font-size: 0.85rem;
    }
}