/**
 * Crypto Recommendations Frontend Styles
 * Color Scheme: Primary #1B4332, Secondary #2D6A4F, Accent #F7931A, Background #FAFAFA, Text #212529, Cards #FFFFFF
 */

:root {
    --crypto-rec-primary: #1B4332;
    --crypto-rec-secondary: #2D6A4F;
    --crypto-rec-accent: #F7931A;
    --crypto-rec-background: #FAFAFA;
    --crypto-rec-text: #212529;
    --crypto-rec-cards: #FFFFFF;
    --crypto-rec-border: #E9ECEF;
    --crypto-rec-shadow: rgba(0, 0, 0, 0.1);
}

/* Quiz Hub Styles */
.crypto-rec-quiz-hub {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

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

.quiz-category-card {
    background: var(--crypto-rec-cards);
    border: 1px solid var(--crypto-rec-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--crypto-rec-shadow);
}

.quiz-category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--crypto-rec-shadow);
    border-color: var(--crypto-rec-primary);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--crypto-rec-primary);
}

.category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--crypto-rec-text);
}

.category-description {
    color: #6C757D;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.start-quiz-btn {
    background: var(--crypto-rec-primary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 100%;
}

.start-quiz-btn:hover {
    background: var(--crypto-rec-secondary);
}

/* Quiz Container Styles */
.crypto-rec-quiz-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
    background: var(--crypto-rec-cards);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--crypto-rec-shadow);
}

.quiz-header {
    text-align: center;
    margin-bottom: 2rem;
}

.quiz-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--crypto-rec-text);
    margin-bottom: 0.5rem;
}

.quiz-description {
    color: #6C757D;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.quiz-progress {
    margin-bottom: 1rem;
}

.progress-bar {
    background: var(--crypto-rec-border);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

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

.progress-text {
    font-size: 0.9rem;
    color: #6C757D;
}

/* Quiz Questions */
.quiz-question {
    margin-bottom: 2rem;
    padding: 1.5rem;
    border: 1px solid var(--crypto-rec-border);
    border-radius: 8px;
    background: var(--crypto-rec-background);
}

.question-header {
    margin-bottom: 1rem;
}

.question-number {
    color: var(--crypto-rec-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.question-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--crypto-rec-text);
    margin-top: 0.5rem;
}

.question-options {
    margin-top: 1rem;
}

.option-item {
    margin-bottom: 0.75rem;
    cursor: pointer;
}

.option-radio,
.option-checkbox {
    margin-right: 0.5rem;
}

.option-label {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border: 1px solid var(--crypto-rec-border);
    border-radius: 6px;
    background: white;
    transition: all 0.2s ease;
    cursor: pointer;
}

.option-label:hover {
    border-color: var(--crypto-rec-primary);
    background: rgba(27, 67, 50, 0.05);
}

.option-label.selected {
    border-color: var(--crypto-rec-primary);
    background: rgba(27, 67, 50, 0.1);
}

/* Quiz Controls */
.quiz-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--crypto-rec-border);
}

.quiz-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

.quiz-btn.primary:hover {
    background: var(--crypto-rec-secondary);
}

.quiz-btn.secondary {
    background: transparent;
    color: var(--crypto-rec-primary);
    border: 1px solid var(--crypto-rec-primary);
}

.quiz-btn.secondary:hover {
    background: var(--crypto-rec-primary);
    color: white;
}

/* Results Styles */
.crypto-rec-results-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

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

.results-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--crypto-rec-text);
    margin-bottom: 1rem;
}

.results-subtitle {
    font-size: 1.2rem;
    color: #6C757D;
}

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

.product-recommendation-card {
    background: var(--crypto-rec-cards);
    border: 1px solid var(--crypto-rec-border);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    box-shadow: 0 4px 12px var(--crypto-rec-shadow);
    transition: transform 0.3s ease;
}

.product-recommendation-card:hover {
    transform: translateY(-2px);
}

.product-recommendation-card[data-rank="1"] {
    border-color: var(--crypto-rec-accent);
    box-shadow: 0 4px 20px rgba(247, 147, 26, 0.2);
}

.rank-badge {
    position: absolute;
    top: -10px;
    right: 1rem;
    background: var(--crypto-rec-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.rank-badge .best {
    background: var(--crypto-rec-accent);
}

.product-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.product-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-right: 1rem;
    border-radius: 8px;
}

.product-info {
    flex: 1;
}

.product-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--crypto-rec-text);
    margin-bottom: 0.5rem;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.star-rating {
    display: flex;
    gap: 2px;
}

.crypto-rec-star {
    color: #FFD700;
    font-size: 1rem;
}

.crypto-rec-star.empty {
    color: #E9ECEF;
}

.match-score {
    text-align: right;
}

.score-label {
    display: block;
    font-size: 0.8rem;
    color: #6C757D;
}

.score-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--crypto-rec-primary);
}

.product-description {
    margin-bottom: 1.5rem;
    color: #6C757D;
    line-height: 1.6;
}

.product-features {
    margin-bottom: 1.5rem;
}

.product-features h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--crypto-rec-text);
    margin-bottom: 0.75rem;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    color: #6C757D;
}

.crypto-rec-icon-check {
    color: var(--crypto-rec-primary);
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

.why-recommended {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(27, 67, 50, 0.05);
    border-radius: 8px;
}

.why-recommended h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--crypto-rec-text);
    margin-bottom: 0.75rem;
}

.explanation-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.explanation-item {
    margin-bottom: 0.5rem;
    color: var(--crypto-rec-text);
    font-size: 0.95rem;
}

.explanation-item::before {
    content: "✓ ";
    color: var(--crypto-rec-primary);
    font-weight: bold;
    margin-right: 0.25rem;
}

.product-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.cta-button {
    flex: 1;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-button.primary {
    background: var(--crypto-rec-accent);
    color: white;
    border: none;
}

.cta-button.primary:hover {
    background: #E8830E;
    color: white;
    text-decoration: none;
}

.cta-button.secondary {
    background: transparent;
    color: var(--crypto-rec-primary);
    border: 1px solid var(--crypto-rec-primary);
}

.cta-button.secondary:hover {
    background: var(--crypto-rec-primary);
    color: white;
    text-decoration: none;
}

.results-footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--crypto-rec-border);
}

.retake-quiz-btn {
    background: transparent;
    color: var(--crypto-rec-primary);
    border: 1px solid var(--crypto-rec-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 1rem;
}

.retake-quiz-btn:hover {
    background: var(--crypto-rec-primary);
    color: white;
}

.disclaimer {
    font-size: 0.9rem;
    color: #6C757D;
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
}

/* Loading States */
.quiz-loading {
    text-align: center;
    padding: 3rem 1rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--crypto-rec-border);
    border-top: 4px solid var(--crypto-rec-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .quiz-hub-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .crypto-rec-quiz-container,
    .crypto-rec-results-container {
        padding: 1rem;
    }
    
    .quiz-title,
    .results-title {
        font-size: 1.75rem;
    }
    
    .product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .quiz-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .quiz-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .crypto-rec-quiz-hub,
    .crypto-rec-quiz-container,
    .crypto-rec-results-container {
        padding: 1rem 0.5rem;
    }
    
    .quiz-category-card,
    .product-recommendation-card {
        padding: 1.5rem;
    }
    
    .quiz-title,
    .results-title {
        font-size: 1.5rem;
    }
}