.exam-length-selector {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.exam-length-selector h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
}

.selector-description {
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.exam-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.exam-option {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.exam-option:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 217, 255, 0.3);
}

.exam-option-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.exam-option-questions {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-green);
}

.exam-option-time {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.exam-option-description {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.exam-option-details {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.exam-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 2px solid var(--border);
}

.timer-control-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 700;
}

.timer-control-btn:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-1px);
}

.timer-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timer-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-green);
}

.exam-timer.time-warning .timer-value {
    color: var(--accent-orange);
}

.exam-timer.time-critical .timer-value {
    color: var(--accent-red);
    animation: pulse-timer 1s ease-in-out infinite;
}

.exam-timer.time-up {
    border-color: var(--accent-red);
    background: rgba(255, 0, 110, 0.1);
}

.exam-timer.time-up .timer-value {
    color: var(--accent-red);
}

@keyframes pulse-timer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.time-up-warning {
    background: rgba(255, 0, 110, 0.2);
    border: 2px solid var(--accent-red);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
    color: var(--accent-red);
    font-weight: 700;
    text-align: center;
}

.mock-exam-container {
    max-width: 100%;
}

.exam-header {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--border);
    margin-bottom: 2rem;
    text-align: center;
}

.exam-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--accent-cyan);
}

.exam-instructions {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.exam-progress {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.exam-progress strong {
    color: var(--accent-green);
}

.questions-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.mock-question {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
}

.mock-question:hover {
    border-color: var(--accent-cyan);
}

.mock-question.unanswered {
    border-color: var(--accent-red);
    background: linear-gradient(to right, var(--bg-card), rgba(255, 0, 110, 0.08));
    animation: pulse-red 2s ease-in-out 3;
}

.mock-question.flagged {
    border-color: var(--accent-orange);
    background: linear-gradient(to right, var(--bg-card), rgba(255, 170, 0, 0.05));
}

@keyframes pulse-red {
    0%, 100% {
        border-color: var(--accent-red);
    }
    50% {
        border-color: #ff4d8f;
        box-shadow: 0 0 20px rgba(255, 0, 110, 0.3);
    }
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.question-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.flag-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.flag-btn:hover {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.flag-btn.is-flagged {
    background: rgba(255, 170, 0, 0.2);
    border-color: var(--accent-orange);
    color: var(--accent-orange);
    font-weight: 700;
}

.question-number {
    font-weight: 700;
    color: var(--accent-cyan);
    font-size: 1.1rem;
}

.question-type {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.question-text {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.options-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quiz-option:hover {
    border-color: var(--accent-cyan);
    background: rgba(0, 217, 255, 0.05);
}

.quiz-option input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: 1rem;
    cursor: pointer;
    accent-color: var(--accent-cyan);
}

.quiz-option input[type="radio"]:checked + span {
    color: var(--accent-cyan);
    font-weight: 700;
}

.quiz-option span {
    flex: 1;
    font-size: 1rem;
}

.short-answer-container {
    margin-top: 1rem;
}

.short-answer-input {
    width: 100%;
    padding: 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.short-answer-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(0, 217, 255, 0.05);
}

.exam-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    padding: 2rem 0;
}

.exam-results {
    max-width: 100%;
}

.results-header {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--border);
    margin-bottom: 2rem;
    text-align: center;
}

.results-header h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
}

.score-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.score-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 4px solid var(--border);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(157, 78, 221, 0.1));
}

.score-display.pass .score-circle {
    border-color: var(--accent-green);
}

.score-display.fail .score-circle {
    border-color: var(--accent-red);
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
}

.score-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pass-status {
    font-size: 2rem;
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: 8px;
}

.score-display.pass .pass-status {
    color: var(--accent-green);
    background: rgba(0, 255, 136, 0.1);
}

.score-display.fail .pass-status {
    color: var(--accent-red);
    background: rgba(255, 0, 110, 0.1);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-question {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--border);
}

.result-question.correct {
    border-color: var(--accent-green);
    background: linear-gradient(to right, var(--bg-card), rgba(0, 255, 136, 0.05));
}

.result-question.incorrect {
    border-color: var(--accent-red);
    background: linear-gradient(to right, var(--bg-card), rgba(255, 0, 110, 0.05));
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.result-badge {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.9rem;
}

.badge-correct {
    background: rgba(0, 255, 136, 0.2);
    color: var(--accent-green);
}

.badge-incorrect {
    background: rgba(255, 0, 110, 0.2);
    color: var(--accent-red);
}

.answer-review {
    margin-top: 1rem;
}

.answer-row {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.text-correct {
    color: var(--accent-green);
}

.text-incorrect {
    color: var(--accent-red);
}

.explanation {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 217, 255, 0.05);
    border-left: 4px solid var(--accent-cyan);
    border-radius: 6px;
    line-height: 1.6;
}

.explanation strong {
    color: var(--accent-cyan);
}