/* ==========================================================================
   SimuEC - Exam Engine Styles
   ========================================================================== */

body.exam-mode {
    background: var(--bg-secondary);
}

/* Exam Layout */
.exam-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    min-height: 100vh;
}

@media (max-width: 992px) {
    .exam-layout {
        grid-template-columns: 1fr;
    }
    
    .exam-sidebar {
        position: fixed;
        right: -300px;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transition: right var(--transition-base);
    }
    
    .exam-sidebar.open {
        right: 0;
    }
}

/* Exam Topbar */
.exam-topbar {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.timer-box {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.timer-box.warning {
    color: var(--warning);
    border-color: var(--warning);
}

.timer-box.danger {
    color: var(--danger);
    border-color: var(--danger);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Main Content Area */
.exam-content {
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

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

.question-text {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-weight: 500;
}

.question-media {
    margin-bottom: 2rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Options */
.options-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.option-item {
    position: relative;
}

.option-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.125rem;
}

.option-letter {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 50%;
    font-weight: 700;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.option-label:hover {
    border-color: var(--primary-light);
    background: var(--bg-secondary);
}

.option-input:checked + .option-label {
    border-color: var(--primary);
    background: var(--primary-alpha);
}

.option-input:checked + .option-label .option-letter {
    background: var(--primary);
    color: white;
}

/* Sidebar Map */
.exam-sidebar {
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.progress-container {
    margin-top: 1rem;
}

.progress-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s ease;
}

.map-grid {
    padding: 1.5rem;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    overflow-y: auto;
    flex: 1;
}

.map-btn {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    transition: all var(--transition-fast);
}

.map-btn.answered {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.map-btn.current {
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--primary);
}

.map-btn.marked {
    position: relative;
}

.map-btn.marked::after {
    content: '';
    position: absolute;
    top: -2px; right: -2px;
    width: 10px; height: 10px;
    background: var(--warning);
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}