/* CSS Variables */
:root {
    --primary-blue: #003399;
    --primary-gold: #FFCC00;
    --light-blue: #0066CC;
    --dark-blue: #002266;
    --success-green: #28a745;
    --warning-yellow: #ffc107;
    --danger-red: #dc3545;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #495057;
    --white: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 20px;
}

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 40px 30px;
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.flag {
    font-size: 48px;
}

.header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
}

.subtitle {
    font-size: 16px;
    opacity: 0.9;
    margin: 5px 0;
}

.framework-version {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 10px;
}

/* Screen Management */
.screen {
    display: none;
    padding: 40px 30px;
    min-height: 500px;
}

.screen.active {
    display: block;
}

/* Welcome Screen */
.welcome-content h2 {
    color: var(--primary-blue);
    font-size: 32px;
    margin-bottom: 20px;
    text-align: center;
}

.intro-text {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.info-card {
    background: var(--light-gray);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

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

.info-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.info-card h3 {
    color: var(--primary-blue);
    font-size: 20px;
    margin-bottom: 10px;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Objectives Overview */
.objectives-overview {
    background: var(--light-gray);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
}

.objectives-overview h3 {
    color: var(--primary-blue);
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

.objectives-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.objective-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 15px;
    align-items: center;
    background: var(--white);
    padding: 15px 20px;
    border-radius: 6px;
    transition: var(--transition);
}

.objective-item:hover {
    box-shadow: var(--box-shadow);
}

.objective-item.highlight {
    background: #fff8e1;
    border-left: 4px solid var(--primary-gold);
}

.obj-code {
    font-weight: 700;
    color: var(--primary-blue);
    font-size: 14px;
}

.obj-name {
    color: var(--text-primary);
    font-size: 15px;
}

.obj-weight {
    font-weight: 600;
    color: var(--light-blue);
    font-size: 14px;
}

/* Buttons */
.btn {
    padding: 14px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 51, 153, 0.3);
}

.btn-secondary {
    background: var(--medium-gray);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--dark-gray);
    color: var(--white);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
    width: 100%;
    max-width: 400px;
    display: block;
    margin: 0 auto 40px auto;
}

/* Progress Bar */
.progress-container {
    margin-bottom: 30px;
}

.progress-bar {
    height: 8px;
    background: var(--medium-gray);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
    transition: width 0.4s ease;
    width: 0%;
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
}

/* Objective Header */
.objective-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    color: var(--white);
    padding: 20px 30px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.objective-code {
    font-weight: 700;
    font-size: 18px;
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 4px;
}

.objective-name {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
}

.objective-weight {
    font-size: 16px;
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 4px;
}

/* Question Container */
.question-container {
    margin-bottom: 40px;
}

.question-number {
    color: var(--light-blue);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.question-text {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 25px;
    font-weight: 500;
    line-height: 1.6;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.option-btn {
    background: var(--white);
    border: 2px solid var(--medium-gray);
    padding: 20px 25px;
    border-radius: var(--border-radius);
    text-align: left;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 15px;
}

.option-btn:hover {
    border-color: var(--light-blue);
    background: #f0f7ff;
    transform: translateX(5px);
}

.option-btn.selected {
    border-color: var(--primary-blue);
    background: #e6f2ff;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.2);
}

.option-radio {
    width: 20px;
    height: 20px;
    border: 2px solid var(--medium-gray);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
}

.option-btn.selected .option-radio {
    border-color: var(--primary-blue);
}

.option-btn.selected .option-radio::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--primary-blue);
    border-radius: 50%;
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
}

.navigation-buttons .btn {
    flex: 1;
}

/* Results Screen */
.results-header {
    text-align: center;
    margin-bottom: 40px;
}

.results-header h2 {
    color: var(--primary-blue);
    font-size: 32px;
    margin-bottom: 20px;
}

.seal-badge {
    display: inline-block;
    padding: 25px 40px;
    border-radius: var(--border-radius);
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 15px;
}

.seal-badge.seal-5 {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.seal-badge.seal-4 {
    background: linear-gradient(135deg, #17a2b8, #0dcaf0);
}

.seal-badge.seal-3 {
    background: linear-gradient(135deg, #ffc107, #ffca2c);
    color: var(--text-primary);
}

.seal-badge.seal-2 {
    background: linear-gradient(135deg, #fd7e14, #ff922b);
}

.seal-badge.seal-1 {
    background: linear-gradient(135deg, #dc3545, #e35d6a);
}

.score-summary {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.total-score {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.score-label {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 600;
}

.score-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-blue);
}

.score-max {
    font-size: 24px;
    color: var(--text-secondary);
}

.percentage-value {
    font-size: 56px;
    font-weight: 700;
    color: var(--light-blue);
}

/* Objectives Breakdown */
.objectives-breakdown {
    margin-bottom: 40px;
}

.objectives-breakdown h3 {
    color: var(--primary-blue);
    font-size: 24px;
    margin-bottom: 20px;
}

.breakdown-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 15px;
    padding: 15px 20px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    align-items: center;
}

.breakdown-label {
    font-weight: 500;
    color: var(--text-primary);
}

.breakdown-score {
    font-weight: 700;
    color: var(--primary-blue);
    font-size: 18px;
}

.breakdown-bar {
    grid-column: 1 / -1;
    height: 6px;
    background: var(--medium-gray);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 8px;
}

.breakdown-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
    transition: width 0.6s ease;
}

/* Recommendations */
.recommendations {
    background: #fff3cd;
    border-left: 4px solid var(--warning-yellow);
    padding: 25px;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
}

.recommendations h3 {
    color: #856404;
    font-size: 20px;
    margin-bottom: 15px;
}

.recommendation-item {
    padding: 10px 0;
    color: #856404;
    line-height: 1.6;
}

.recommendation-item::before {
    content: '• ';
    font-weight: 700;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.action-buttons .btn {
    flex: 1;
}

/* Footer */
.footer {
    background: var(--light-gray);
    padding: 30px;
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer a {
    color: var(--primary-blue);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .screen {
        padding: 30px 20px;
    }

    .header {
        padding: 30px 20px;
    }

    .header h1 {
        font-size: 24px;
    }

    .flag {
        font-size: 36px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .objective-item {
        grid-template-columns: 60px 1fr auto;
        gap: 10px;
    }

    .objectives-overview {
        padding: 20px;
    }

    .objective-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .score-summary {
        flex-direction: column;
        gap: 20px;
    }

    .navigation-buttons {
        flex-direction: column;
    }

    .action-buttons {
        flex-direction: column;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.screen.active {
    animation: fadeIn 0.5s ease;
}