/* 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: #333;
    background: #f5f7fa;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.2em;
    opacity: 0.9;
}

/* Tab Navigation */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    flex: 1;
    min-width: 150px;
    padding: 15px 20px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
    color: #666;
}

.tab-btn:hover {
    background: #f8f9fa;
    border-color: #667eea;
}

.tab-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* Tab Content */
.tab-content {
    display: none;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    min-height: 500px;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-header h2 {
    color: #667eea;
    font-size: 2em;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
    font-size: 0.9em;
    opacity: 0.9;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 2em;
    font-weight: 700;
}

/* Leaderboards */
.leaderboards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 20px;
}

.leaderboard h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.5em;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: #f8f9fa;
}

th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: #666;
    border-bottom: 2px solid #e0e0e0;
}

td {
    padding: 12px;
    border-bottom: 1px solid #f0f0f0;
}

tbody tr:hover {
    background: #f8f9fa;
}

/* Search Box */
.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.search-box input {
    flex: 1;
    min-width: 250px;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: #667eea;
}

/* Year Selector */
.year-select {
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.95em;
    font-weight: 500;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #333;
}

.year-select:hover {
    border-color: #667eea;
}

.year-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Autocomplete */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid #667eea;
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.autocomplete-dropdown.active {
    display: block;
}

.autocomplete-item {
    padding: 12px 20px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s ease;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: #f8f9fa;
}

.autocomplete-item.selected {
    background: #667eea;
    color: white;
}

.autocomplete-item strong {
    color: #667eea;
}

.autocomplete-item.selected strong {
    color: white;
}

/* Buttons */
.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

/* Results Container */
.results-container {
    margin-top: 20px;
}

.result-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid #667eea;
    transition: transform 0.2s ease;
}

.result-card:hover {
    transform: translateX(5px);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.result-title {
    font-size: 1.3em;
    font-weight: 600;
    color: #333;
}

.result-meta {
    color: #666;
    font-size: 0.9em;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.result-stat {
    text-align: center;
    padding: 10px;
    background: white;
    border-radius: 6px;
}

.result-stat-label {
    font-size: 0.8em;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-stat-value {
    font-size: 1.3em;
    font-weight: 700;
    color: #667eea;
    margin-top: 5px;
}

/* Comparison Specific */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.committee-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.overlap-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
}

.overlap-section h3 {
    margin-bottom: 20px;
    font-size: 1.8em;
}

.overlap-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

/* Correlation Results */
.correlation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid #667eea;
}

.similarity-score {
    font-size: 1.5em;
    font-weight: 700;
    color: #667eea;
    min-width: 80px;
    text-align: right;
}

.similarity-bar {
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 8px;
}

.similarity-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: width 0.5s ease;
}

/* Cache Info */
.cache-info {
    text-align: center;
    color: #666;
    font-size: 0.9em;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

/* Description */
.description {
    color: #666;
    margin-bottom: 20px;
    font-size: 0.95em;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    color: #666;
    margin-top: 40px;
    font-size: 0.9em;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 40px;
    color: #667eea;
    font-size: 1.1em;
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Error State */
.error {
    background: #fee;
    color: #c33;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #c33;
    margin: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }

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

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

    .search-box {
        flex-direction: column;
    }

    .search-box input {
        width: 100%;
    }

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

    header h1 {
        font-size: 2em;
    }
}

/* Historical Graphs */
.historical-graphs {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.historical-graphs h3 {
    margin-bottom: 20px;
    color: #667eea;
    font-size: 1.5em;
}

.graph-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.graph-box {
    background: #f9fafb;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.graph-box h4 {
    margin-bottom: 15px;
    color: #374151;
    font-size: 1.1em;
    text-align: center;
}

.graph-box svg {
    width: 100%;
    height: 300px;
    display: block;
}

.graph-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
    font-size: 0.9em;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.legend-color {
    width: 20px;
    height: 3px;
    display: inline-block;
}