/* Comparison Mode Styles */

.comparison-input-panel {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

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

.comparison-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary, #2d3748);
    margin-bottom: 0.5rem;
}

.comparison-header p {
    font-size: 1.125rem;
    color: var(--text-secondary, #718096);
}

.comparison-form {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.938rem;
    color: var(--text-primary, #2d3748);
    margin-bottom: 0.5rem;
}

.form-group label i {
    color: var(--primary, #667eea);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary, #f7fafc);
    border: 2px solid var(--border, #e2e8f0);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-primary, #2d3748);
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    background: white;
    border-color: var(--primary, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary, #f7fafc);
    border: 2px solid var(--border, #e2e8f0);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-primary, #2d3748);
    font-family: inherit;
    resize: vertical;
    transition: all 0.2s ease;
}

.form-textarea:focus {
    outline: none;
    background: white;
    border-color: var(--primary, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-hint {
    display: block;
    font-size: 0.813rem;
    color: var(--text-tertiary, #a0aec0);
    margin-top: 0.375rem;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.option-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.option-input-wrapper .form-input {
    flex: 1;
}

.remove-option-btn {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--danger-light, #fed7d7);
    border: none;
    border-radius: 8px;
    color: var(--danger, #e53e3e);
    cursor: pointer;
    transition: all 0.2s ease;
}

.remove-option-btn:hover {
    background: var(--danger, #e53e3e);
    color: white;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.primary-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.primary-btn:active {
    transform: translateY(0);
}

.secondary-btn {
    padding: 0.75rem 1.25rem;
    background: white;
    color: var(--text-primary, #2d3748);
    border: 2px solid var(--border, #e2e8f0);
    border-radius: 10px;
    font-size: 0.938rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.secondary-btn:hover {
    border-color: var(--primary, #667eea);
    color: var(--primary, #667eea);
}

/* Results View */

.comparison-results {
    padding: 2rem;
}

.comparison-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.comparison-results-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary, #2d3748);
}

.results-actions {
    display: flex;
    gap: 0.75rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.comparison-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.comparison-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

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

.card-header h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary, #2d3748);
}

.score-badge {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    padding: 0.5rem 0.875rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
    font-weight: 700;
}

.score-value {
    font-size: 1.5rem;
}

.score-max {
    font-size: 1rem;
    opacity: 0.8;
}

.score-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary, #f7fafc);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.score-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    transition: width 0.6s ease;
}

.card-section {
    margin-bottom: 1.5rem;
}

.card-section:last-child {
    margin-bottom: 0;
}

.card-section h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #2d3748);
    margin-bottom: 0.75rem;
}

.pros-section h4 i {
    color: var(--success, #38a169);
}

.cons-section h4 i {
    color: var(--danger, #e53e3e);
}

.best-for-section h4 i {
    color: var(--warning, #ecc94b);
}

.pros-list,
.cons-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pros-list li,
.cons-list li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.pros-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success, #38a169);
    font-weight: 700;
}

.cons-list li::before {
    content: '✗';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--danger, #e53e3e);
    font-weight: 700;
}

.pros-list li strong,
.cons-list li strong {
    display: block;
    font-weight: 600;
    color: var(--text-primary, #2d3748);
    margin-bottom: 0.25rem;
}

.pros-list li p,
.cons-list li p {
    font-size: 0.938rem;
    color: var(--text-secondary, #718096);
    margin: 0;
}

.best-for-section p {
    font-size: 0.938rem;
    color: var(--text-secondary, #718096);
    line-height: 1.6;
}

/* Recommendation Card */

.recommendation-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
}

.recommendation-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.recommendation-winner {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.confidence-badge {
    padding: 0.375rem 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
}

.recommendation-reasoning {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.decision-framework {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.decision-framework strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.decision-framework p {
    font-size: 0.938rem;
    line-height: 1.6;
    opacity: 0.9;
}

/* Loading State */

.loading-state,
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border, #e2e8f0);
    border-top-color: var(--primary, #667eea);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-state p,
.error-state p {
    font-size: 1.125rem;
    color: var(--text-secondary, #718096);
}

.error-state i {
    font-size: 3rem;
    color: var(--danger, #e53e3e);
    margin-bottom: 1rem;
}

/* Mobile Responsive */

@media (max-width: 768px) {
    .comparison-input-panel {
        padding: 1rem;
    }
    
    .comparison-form {
        padding: 1.5rem;
    }
    
    .comparison-header h2 {
        font-size: 1.5rem;
    }
    
    .comparison-header p {
        font-size: 1rem;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-results {
        padding: 1rem;
    }
    
    .comparison-results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .results-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .results-actions button {
        width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .recommendation-card {
        padding: 1.5rem;
    }
}

/* Dark Mode Support */

@media (prefers-color-scheme: dark) {
    .comparison-form,
    .comparison-card {
        background: var(--dark-bg, #1a202c);
    }
    
    .form-input,
    .form-textarea {
        background: var(--dark-bg-secondary, #2d3748);
        border-color: var(--dark-border, #4a5568);
        color: var(--dark-text, #e2e8f0);
    }
    
    .form-input:focus,
    .form-textarea:focus {
        background: var(--dark-bg-secondary, #2d3748);
        border-color: #667eea;
        color: var(--dark-text, #e2e8f0);
    }
    
    .form-input::placeholder,
    .form-textarea::placeholder {
        color: #a0aec0;
    }
    
    .score-bar {
        background: var(--dark-bg-secondary, #2d3748);
    }
    
    .secondary-btn {
        background: var(--dark-bg, #1a202c);
        border-color: var(--dark-border, #4a5568);
        color: var(--dark-text, #e2e8f0);
    }
}