/* AI Dependency Assessment Tool - Styles */

:root {
    --primary-color: #3dd9c7;
    --primary-hover: #2bc4b3;
    --secondary-color: #1e3a5f;
    --background: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --success: #10b981;
    --warning: #eab308;
    --danger: #ef4444;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Welcome Screen */
.welcome-screen {
    padding: 3rem 1rem;
}

.content-wrapper {
    text-align: center;
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.intro-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    text-align: left;
}

.intro-text {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.assessment-info {
    display: flex;
    justify-content: space-around;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--background);
    border-radius: 0.75rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.info-icon {
    font-size: 2rem;
}

.info-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.categories-preview {
    margin-bottom: 2rem;
}

.categories-preview h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.categories-list {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.categories-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--background);
    border-radius: 0.5rem;
    font-size: 0.9375rem;
}

.category-icon {
    font-size: 1.5rem;
}

.privacy-note {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
}

.privacy-notice {
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f0fdf4;
    border: 2px solid #10b981;
    border-radius: 0.5rem;
}

.privacy-notice .privacy-note {
    margin: 0;
    color: #065f46;
    font-size: 0.9375rem;
}

/* Author Card */
.author-card {
    background: linear-gradient(135deg, #1e3a5f 0%, #3dd9c7 100%);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    color: white;
}

.author-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.author-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.95);
}

.author-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.author-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.5rem;
    color: white;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s;
}

.author-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.author-link svg {
    flex-shrink: 0;
}

/* Article Links */
.article-links {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--background);
    border-radius: 0.75rem;
}

.link-buttons {
    display: flex;
    gap: 1rem;
}

.link-buttons .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-primary:disabled {
    background-color: var(--secondary-color);
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    width: 100%;
    margin-top: 1rem;
}

/* Quiz Screen */
.quiz-screen {
    max-width: 700px;
}

.progress-bar {
    width: 100%;
    height: 0.5rem;
    background-color: var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 2rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success));
    transition: width 0.3s ease;
}

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

.question-number {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.category-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 1rem;
    font-weight: 600;
}

.question-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.question-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.answer-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.answer-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--background);
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

.answer-btn:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}

.answer-btn.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: var(--shadow);
}

.answer-value {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.answer-label {
    flex: 1;
    text-align: left;
    font-weight: 500;
    color: var(--text-primary);
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

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

/* Results Screen */
.results-screen {
    max-width: 900px;
}

.results-header {
    text-align: center;
    margin-bottom: 3rem;
}

.results-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.total-score-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 4px solid;
    display: inline-block;
}

.score-number {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
}

.score-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.level-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
}

.results-content {
    display: grid;
    gap: 2rem;
}

.interpretation-card,
.recommendation-card,
.category-breakdown-card,
.next-steps-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.interpretation-card h2,
.recommendation-card h2,
.category-breakdown-card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.interpretation-text,
.recommendation-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.category-breakdown-card canvas {
    max-height: 300px;
    margin-bottom: 2rem;
}

.category-scores {
    display: grid;
    gap: 1rem;
}

.category-score-item {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    align-items: center;
    gap: 1rem;
}

.category-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.category-score-bar {
    height: 0.75rem;
    background: var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
}

.category-score-fill {
    height: 100%;
    transition: width 0.5s ease;
}

.category-score-value {
    font-weight: 700;
    color: var(--text-primary);
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.action-buttons .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.next-steps-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.next-steps-card p {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.next-steps-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.next-steps-card a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.125rem;
    }
    
    .intro-card {
        padding: 1.5rem;
    }
    
    .assessment-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .question-card {
        padding: 1.5rem;
    }
    
    .question-text {
        font-size: 1.25rem;
    }
    
    .quiz-navigation {
        flex-direction: column;
    }
    
    .score-number {
        font-size: 3rem;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    .author-card {
        flex-direction: column;
        text-align: center;
    }
    
    .author-photo {
        width: 80px;
        height: 80px;
    }
    
    .author-links {
        justify-content: center;
    }
    
    .link-buttons {
        flex-direction: column;
    }
    
    .category-score-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .category-score-bar {
        order: 3;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem 0.75rem;
    }
    
    .main-title {
        font-size: 1.75rem;
    }
    
    .intro-card,
    .question-card,
    .interpretation-card,
    .recommendation-card,
    .category-breakdown-card {
        padding: 1.25rem;
    }
    
    .answer-btn {
        padding: 0.875rem 1rem;
    }
}

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

.question-card,
.results-content > * {
    animation: fadeIn 0.3s ease;
}