/* Adult Mode CSS - Professional, clean, focused appearance */

:root {
    /* Professional color palette */
    --primary-color: #1e40af;
    --secondary-color: #475569;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --background: #ffffff;
    --surface: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;

    /* Professional typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px; /* Standard size */
}

body {
    background: #f1f5f9;
}

/* Clean, minimal navigation */
.navbar {
    background-color: var(--primary-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.nav-brand a {
    font-size: var(--font-size-xl);
    letter-spacing: -0.5px;
}

.nav-links a {
    font-size: var(--font-size-base);
}

/* Subtle buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    border-radius: 6px;
    font-weight: 500;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Professional cards */
.mode-card,
.feature,
.progress-card,
.resource-card,
.question-card {
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

.mode-card:hover,
.question-card:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

/* Clean headings */
h1 {
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Minimal hero section */
.hero {
    background: white;
    border-radius: 8px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

.hero h1 {
    font-size: 2.5rem;
}

/* Standard feature icons */
.feature-icon {
    font-size: 2.5rem;
    opacity: 0.9;
}

/* Clean sidebar */
.sidebar {
    background: white;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.topic-item.completed a {
    background-color: #ecfdf5;
    border-left: 3px solid var(--success-color);
}

.topic-item.in-progress a {
    background-color: #fffbeb;
    border-left: 3px solid var(--warning-color);
}

.progress-indicator {
    background-color: var(--primary-color);
    color: white;
    font-size: var(--font-size-base);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

/* Compact question cards */
.question-text {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.answer-option {
    padding: var(--spacing-sm);
    border: 1px solid transparent;
    border-radius: 4px;
    margin-bottom: var(--spacing-xs);
    transition: background-color 0.2s;
}

.answer-option:hover {
    background-color: var(--surface);
}

.answer-option.correct-highlight {
    background-color: #ecfdf5;
    border-color: var(--success-color);
    font-weight: 500;
}

.answer-letter {
    font-weight: 600;
    color: var(--primary-color);
    margin-right: var(--spacing-xs);
}

/* Professional explanations */
.explanation {
    background: var(--surface);
    border-left: 3px solid var(--primary-color);
    font-size: var(--font-size-base);
}

/* Clean test display */
.test-header {
    background: white;
    border: 1px solid var(--border-color);
    font-size: var(--font-size-base);
}

.question-display {
    background: white;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.grid-number {
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.grid-number.answered {
    background-color: #ecfdf5;
    border-color: var(--success-color);
}

.grid-number.current {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Professional score display */
.score-circle {
    border-width: 4px;
    padding: var(--spacing-xl);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.score-value {
    font-size: 3rem;
    color: var(--primary-color);
}

.pass-fail {
    font-size: 1.75rem;
}

/* Subtle progress bars */
.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
}

.stat-large {
    color: var(--primary-color);
}

/* Clean chart bars */
.chart-bar.passed {
    background-color: var(--success-color);
}

.chart-bar.failed {
    background-color: var(--danger-color);
}

/* Professional messages */
.success-message {
    font-size: var(--font-size-lg);
    background-color: #ecfdf5;
    padding: var(--spacing-lg);
    border-radius: 6px;
    border: 1px solid var(--success-color);
    font-weight: 500;
}

/* Topic status clean styling */
.topic-status-item.completed {
    background-color: #ecfdf5;
    border-left-width: 3px;
}

.topic-status-item.in-progress {
    background-color: #fffbeb;
    border-left-width: 3px;
}

/* Resource cards minimal */
.resource-card {
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s;
}

.resource-card:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

/* FAQ items clean */
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.faq-item h3 {
    font-size: 1.125rem;
}

/* Minimal checkmark */
.checkmark {
    font-size: 1.25rem;
}

/* Content sections professional */
.content,
.progress-section,
.exam-info {
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Focus areas subtle */
.focus-area-card {
    border-left-width: 3px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Mode toggle understated */
.mode-toggle {
    background: rgba(255,255,255,0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
}

#mode-label {
    font-size: var(--font-size-base);
    font-weight: 500;
}

/* No bouncy animations in adult mode */
.btn:hover {
    animation: none;
}

/* Exam info professional */
.test-options label {
    font-size: var(--font-size-base);
    cursor: pointer;
}

.test-options input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Previous test scores minimal */
.score-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    font-weight: 500;
    font-size: var(--font-size-base);
    border: 1px solid var(--border-color);
}

.score-item.passed {
    background-color: #ecfdf5;
    border-color: var(--success-color);
}

.score-item.failed {
    background-color: #fef2f2;
    border-color: var(--danger-color);
}

/* Hide kid-friendly sections in adult mode */
.kid-tips {
    display: none;
}

.kid-explanation {
    display: none;
}

.resource-section.kid-friendly {
    display: none;
}

/* Compact layout preferences */
.topic-content section {
    margin-bottom: var(--spacing-md);
}

.topic-content ul {
    line-height: 1.6;
}

/* Professional exam topics list */
.exam-topics-list {
    margin-left: var(--spacing-lg);
}

.exam-topics-list li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
}

/* Data management section */
.data-management {
    background: white;
    border: 1px solid var(--border-color);
}

/* Responsive adjustments for adult mode */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.25rem;
    }
}

/* Table-like layouts for data */
.topic-breakdown {
    display: grid;
    gap: var(--spacing-xs);
}

.topic-breakdown-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    padding: var(--spacing-sm);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    align-items: center;
}

/* Clean bookmark button */
.bookmark-btn {
    opacity: 0.6;
    transition: opacity 0.2s;
}

.bookmark-btn:hover {
    opacity: 1;
}

.bookmark-btn.bookmarked {
    opacity: 1;
}

/* Professional filters */
.filter-controls select,
.search-controls input {
    font-family: var(--font-family);
}

/* Concise statistics */
.stats {
    font-size: var(--font-size-sm);
}

/* Clean timer display */
.timer {
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

/* Professional footer */
footer {
    font-size: var(--font-size-sm);
}