/**
 * Content Gap Analyzer Styles
 * 
 * Custom styles for the Content Gap Analyzer page
 * Extends the main Bootstrap 5 theme with specific components
 */

/* Root Variables */
:root {
    --cga-primary: #0066cc;
    --cga-secondary: #28a745;
    --cga-success: #20c997;
    --cga-info: #17a2b8;
    --cga-warning: #ffc107;
    --cga-danger: #dc3545;
    --cga-dark: #343a40;
    --cga-light: #f8f9fa;
    --cga-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --cga-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --cga-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --cga-border-radius: 12px;
    --cga-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme variables */
[data-bs-theme="dark"] {
    --cga-light: #2d3748;
    --cga-dark: #f8f9fa;
    --cga-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --cga-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Hero Section Enhancements */
.hero-section {
    background: var(--cga-gradient);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><polygon points="1000,100 1000,0 0,100"/></svg>');
    background-size: cover;
    background-position: bottom;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

/* Card Enhancements */
.card {
    border: none;
    border-radius: var(--cga-border-radius);
    box-shadow: var(--cga-shadow);
    transition: var(--cga-transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--cga-shadow-lg);
}

.card-header {
    border-bottom: none;
    padding: 1.5rem;
    font-weight: 300;
}
/* Reduce title sizing inside card headers by 50% on this page */
.card-header .card-title {
    font-size: 1em !important; /* 50% of the current header size */
}

.card-body {
    padding: 1.5rem;
}

/* Form Styling */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: var(--cga-transition);
}

.form-control:focus {
    border-color: var(--cga-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

.form-label {
    color: var(--cga-dark);
    margin-bottom: 0.75rem;
    font-weight: 500;
}



/* Loading Indicator */
#loadingIndicator {
    padding: 3rem 0;
}

#loadingIndicator .spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* Results Section */
#resultsSection {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Summary Cards */
.summary-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: var(--cga-border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--cga-transition);
}

.summary-card:hover {
    transform: scale(1.02);
}

.summary-card .display-4 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.summary-card .card-title {
    font-size: 0.5rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Chart Containers */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-container canvas {
    border-radius: var(--cga-border-radius);
}

/* Enhanced styling for keyword density chart (spider chart) */
#keywordDensityChart {
    min-height: 400px;
    max-height: 500px;
}

/* Ensure proper aspect ratio for radar charts */
.card-body:has(#keywordDensityChart) {
    padding: 2rem 1.5rem;
}

/* Word Cloud Styling */
.wordcloud-container {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: var(--cga-border-radius);
    padding: 1rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-bs-theme="dark"] .wordcloud-container {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
}

/* Tab Navigation */
.nav-tabs {
    border-bottom: 2px solid #e9ecef;
    margin-bottom: 1.5rem;
}

.nav-tabs .nav-link {
    border: none;
    padding: 0.75rem 1.5rem;
    color: var(--cga-dark);
    font-weight: 500;
    transition: var(--cga-transition);
    border-radius: 8px 8px 0 0;
}

.nav-tabs .nav-link:hover {
    background-color: var(--cga-light);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    background-color: var(--cga-primary);
    color: white;
    border-color: var(--cga-primary);
}

/* Tables */
.table-responsive {
    border-radius: var(--cga-border-radius);
    overflow: hidden;
    box-shadow: var(--cga-shadow);
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: var(--cga-primary);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table tbody td {
    padding: 0.75rem 1rem;
    border-color: #e9ecef;
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: rgba(0, 102, 204, 0.05);
}

/* Badges and Labels */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

.badge-opportunity {
    background-color: var(--cga-warning);
    color: var(--cga-dark);
}

.badge-strength {
    background-color: var(--cga-success);
    color: white;
}

.badge-shared {
    background-color: var(--cga-info);
    color: white;
}

.badge-gap {
    background-color: var(--cga-danger);
    color: white;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* Keyword Frequency Bars */
.keyword-frequency {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.keyword-frequency .keyword {
    min-width: 120px;
    font-weight: 500;
}

.keyword-frequency .frequency-bar {
    flex: 1;
    height: 20px;
    background-color: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.keyword-frequency .frequency-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cga-primary), var(--cga-secondary));
    border-radius: 10px;
    transition: width 0.8s ease;
}

.keyword-frequency .frequency-text {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cga-dark);
}

/* Comparison Cards */
.comparison-card {
    border-left: 4px solid var(--cga-primary);
    transition: var(--cga-transition);
}

.comparison-card:hover {
    border-left-color: var(--cga-secondary);
    transform: translateX(2px);
}

.comparison-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e9ecef;
}

.comparison-metric:last-child {
    border-bottom: none;
}

.metric-label {
    font-weight: 500;
    color: var(--cga-dark);
}

.metric-value {
    font-weight: 600;
    color: var(--cga-primary);
}

.metric-difference {
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.metric-difference.positive {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--cga-success);
}

.metric-difference.negative {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--cga-danger);
}

/* Insights Section */
.insight-card {
    border-left: 4px solid #17a2b8;
    background-color: rgba(23, 162, 184, 0.05);
    margin-bottom: 1rem;
    transition: var(--cga-transition);
}

.insight-card:hover {
    transform: translateX(2px);
    box-shadow: var(--cga-shadow);
}

.insight-card.opportunity {
    border-left-color: var(--cga-warning);
    background-color: rgba(255, 193, 7, 0.05);
}

.insight-card.strength {
    border-left-color: var(--cga-success);
    background-color: rgba(40, 167, 69, 0.05);
}

.insight-card.recommendation {
    border-left-color: var(--cga-info);
    background-color: rgba(23, 162, 184, 0.05);
}

.insight-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-right: 1rem;
}

.insight-icon.opportunity {
    background-color: var(--cga-warning);
    color: var(--cga-dark);
}

.insight-icon.strength {
    background-color: var(--cga-success);
    color: white;
}

.insight-icon.recommendation {
    background-color: var(--cga-info);
    color: white;
}

/* Error States */
.error-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--cga-danger);
}

.error-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    /* Enhanced spider chart mobile styling */
    #keywordDensityChart {
        min-height: 300px;
        max-height: 350px;
    }
    
    .card-body:has(#keywordDensityChart) {
        padding: 1.5rem 1rem;
    }
    
    .comparison-metric {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .keyword-frequency {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .keyword-frequency .keyword {
        min-width: unset;
        width: 100%;
    }
    
    .nav-tabs .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 576px) {
    .summary-card {
        margin-bottom: 1rem;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .wordcloud-container {
        min-height: 250px;
    }
    
    .btn-lg {
        width: 100%;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(45deg, var(--cga-primary), var(--cga-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--cga-primary) 0%, #0052a3 100%);
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--cga-success) 0%, #1e7e34 100%);
}

.bg-gradient-info {
    background: linear-gradient(135deg, var(--cga-info) 0%, #117a8b 100%);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--cga-warning) 0%, #e0a800 100%);
}

/* Print Styles */
@media print {
    .hero-section,
    .navbar,
    footer,
    #loadingIndicator,
    .btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    .chart-container {
        page-break-inside: avoid;
    }
}

/* Content Quality Analysis Styles */
.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 60px;
}

.vs-divider .badge {
    font-size: 1.2rem;
    padding: 0.75rem 1rem;
    border-radius: 50px;
}

.metric-score {
    padding: 1rem;
    border-radius: 8px;
    transition: var(--cga-transition);
}

.metric-score.winner {
    background-color: rgba(40, 167, 69, 0.1);
    border: 2px solid rgba(40, 167, 69, 0.3);
}

.metric-score h4 {
    margin-bottom: 0.25rem;
    font-weight: 700;
}

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

.quality-factor {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    padding: 1rem;
    border-left: 4px solid var(--cga-primary);
    transition: var(--cga-transition);
}

.quality-factor:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateX(4px);
}

.quality-factor h6 {
    color: var(--cga-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.quality-score-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.quality-score-badge.excellent {
    background-color: rgba(40, 167, 69, 0.2);
    color: #155724;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.quality-score-badge.good {
    background-color: rgba(23, 162, 184, 0.2);
    color: #0c5460;
    border: 1px solid rgba(23, 162, 184, 0.3);
}

.quality-score-badge.fair {
    background-color: rgba(255, 193, 7, 0.2);
    color: #856404;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.quality-score-badge.poor {
    background-color: rgba(220, 53, 69, 0.2);
    color: #721c24;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.quality-recommendation {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-left: 4px solid transparent;
    transition: var(--cga-transition);
}

.quality-recommendation.high {
    border-left-color: var(--cga-danger);
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.05) 0%, rgba(220, 53, 69, 0.02) 100%);
}

.quality-recommendation.medium {
    border-left-color: var(--cga-warning);
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.05) 0%, rgba(255, 193, 7, 0.02) 100%);
}

.quality-recommendation.info {
    border-left-color: var(--cga-info);
    background: linear-gradient(135deg, rgba(23, 162, 184, 0.05) 0%, rgba(23, 162, 184, 0.02) 100%);
}

.quality-chart-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--cga-border-radius);
    padding: 1rem;
    box-shadow: var(--cga-shadow);
}

/* Content Quality Responsive Design */
@media (max-width: 768px) {
    .vs-divider {
        min-height: 40px;
    }
    
    .vs-divider .badge {
        font-size: 1rem;
        padding: 0.5rem 0.75rem;
    }
    
    .metric-score {
        padding: 0.75rem;
        margin-bottom: 1rem;
    }
    
    .content-quality-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .quality-recommendation {
        padding: 1rem;
    }
}

/* Dark theme adjustments for content quality */
[data-bs-theme="dark"] .quality-factor {
    background: rgba(45, 55, 72, 0.8);
    border-left-color: #667eea;
}

[data-bs-theme="dark"] .quality-factor:hover {
    background: rgba(45, 55, 72, 1);
}

[data-bs-theme="dark"] .quality-recommendation {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
}

[data-bs-theme="dark"] .metric-score.winner {
    background-color: rgba(40, 167, 69, 0.2);
    border-color: rgba(40, 167, 69, 0.4);
}