/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a472a;
    --secondary-color: #2d5f3f;
    --accent-color: #d4af37;
    --danger-color: #c41e3a;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --light-bg: #f8f9fa;
    --dark-text: #212529;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: var(--shadow);
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-fill {
    height: 100%;
    background: var(--accent-color);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Navigation */
.main-nav {
    display: flex;
    background: white;
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.nav-btn {
    flex: 1;
    padding: 1rem;
    border: none;
    background: white;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.nav-btn:hover {
    background: var(--light-bg);
}

.nav-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--accent-color);
}

/* Main Content */
main {
    padding: 2rem;
    min-height: 60vh;
}

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Home View */
.hero {
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 3rem;
}

.hero h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.learning-path {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.learning-path h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.learning-path ol {
    margin-left: 1.5rem;
}

.learning-path li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: var(--accent-color);
    color: var(--dark-text);
}

.btn-secondary:hover {
    background: #c09930;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

/* Module Card */
.module-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.module-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow);
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.module-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
}

.module-status {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-completed {
    background: var(--success-color);
    color: white;
}

.status-in-progress {
    background: var(--warning-color);
    color: var(--dark-text);
}

.status-not-started {
    background: var(--border-color);
    color: #666;
}

.module-description {
    color: #666;
    margin-bottom: 1rem;
}

.module-content {
    display: none;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.module-content.active {
    display: block;
}

.module-section {
    margin-bottom: 2rem;
}

.module-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.module-section ul {
    margin-left: 2rem;
}

.module-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.procedure-box {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 4px;
    border-left: 4px solid var(--accent-color);
    margin: 1rem 0;
}

.rule-reference {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-left: 0.5rem;
}

/* Scenario Styles */
.scenario-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.scenario-header {
    background: linear-gradient(135deg, var(--danger-color), #a01829);
    color: white;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.scenario-number {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.scenario-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.scenario-section {
    margin-bottom: 2rem;
}

.scenario-section h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.scenario-section h4::before {
    content: '▶';
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.scenario-steps {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 4px;
    margin-top: 1rem;
}

.scenario-steps ol {
    margin-left: 1.5rem;
}

.scenario-steps li {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.scenario-steps strong {
    color: var(--primary-color);
}

.director-note {
    background: #fff3cd;
    border-left: 4px solid var(--warning-color);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.director-note::before {
    content: '💡 Director\'s Note: ';
    font-weight: 600;
    color: var(--primary-color);
}

.key-principles {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 4px;
    margin-top: 1.5rem;
}

.key-principles h5 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.key-principles ul {
    margin-left: 1.5rem;
}

/* Quiz Styles */
.quiz-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.quiz-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.quiz-card p {
    margin-bottom: 0.75rem;
    color: #666;
}

.quiz-question {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.question-number {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.question-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--dark-text);
}

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

.quiz-option {
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: flex-start;
}

.quiz-option:hover {
    border-color: var(--accent-color);
    background: white;
}

.quiz-option.selected {
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 2px rgba(26, 71, 42, 0.1);
}

.quiz-option.correct {
    border-color: var(--success-color);
    background: #d4edda;
}

.quiz-option.incorrect {
    border-color: var(--danger-color);
    background: #f8d7da;
}

.option-label {
    font-weight: 600;
    margin-right: 1rem;
    color: var(--primary-color);
}

.feedback {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    display: none;
}

.feedback.show {
    display: block;
}

.feedback.correct {
    background: #d4edda;
    border-left: 4px solid var(--success-color);
    color: #155724;
}

.feedback.incorrect {
    background: #f8d7da;
    border-left: 4px solid var(--danger-color);
    color: #721c24;
}

.quiz-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
}

.quiz-results {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 3rem;
    text-align: center;
}

.results-score {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1rem 0;
}

.results-message {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.pass {
    color: var(--success-color);
}

.fail {
    color: var(--danger-color);
}

.results-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.result-stat {
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 4px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

/* Reference Styles */
.search-box {
    margin-bottom: 2rem;
}

.search-box input {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    transition: border-color 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.reference-category {
    margin-bottom: 2rem;
}

.reference-category h3 {
    color: var(--primary-color);
    background: var(--light-bg);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.reference-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.reference-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.reference-item p {
    color: #666;
    line-height: 1.6;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .main-nav {
        flex-wrap: wrap;
    }
    
    .nav-btn {
        font-size: 0.9rem;
        padding: 0.75rem;
    }
    
    main {
        padding: 1rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .quiz-controls {
        flex-direction: column;
    }
    
    .quiz-controls button {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .main-nav,
    footer,
    .btn {
        display: none;
    }
    
    .container {
        box-shadow: none;
    }
    
    .view {
        display: block !important;
    }
}