:root {
    --primary: #1e3a8a;
    --secondary: #3b82f6;
    --accent: #ef4444;
    --success: #10b981;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
    position: relative;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
}

.badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-top: 10px;
    font-weight: 600;
}

main {
    padding: 40px 30px;
}

.config-section {
    background: var(--card);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.slider-group {
    margin-bottom: 30px;
    padding: 25px;
    background: var(--bg);
    border-radius: 10px;
    border: 2px solid var(--border);
}

.slider-group.main-slider {
    border-color: var(--secondary);
    background: linear-gradient(to right, rgba(239,68,68,0.05), rgba(59,130,246,0.05));
}

.slider-title {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
}

.label-left, .label-right {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.label-center {
    font-size: 1rem;
    color: var(--primary);
    font-weight: 700;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right, #ef4444 0%, #fbbf24 50%, #3b82f6 100%);
    outline: none;
    margin: 15px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    border: 3px solid var(--primary);
    transition: all 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.advanced-sliders {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 2px dashed var(--border);
}

.hidden {
    display: none;
}

.btn-primary, .btn-secondary {
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    margin: 10px 5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: white;
    width: 100%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

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

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

.results-section {
    background: var(--card);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.results-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 25px;
    border-bottom: 3px solid var(--primary);
}

.results-header h2 {
    font-size: 2rem;
    color: var(--primary);
}

.proposals-list {
    display: grid;
    gap: 25px;
}

.proposal-card {
    background: var(--bg);
    border-radius: 10px;
    padding: 25px;
    border-left: 5px solid var(--secondary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.proposal-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transform: translateX(5px);
}

.proposal-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.proposal-rank {
    background: var(--primary);
    color: white;
    font-weight: 800;
    padding: 8px 15px;
    border-radius: 50%;
    min-width: 50px;
    text-align: center;
}

.proposal-title {
    flex: 1;
    font-size: 1.3rem;
    color: var(--text);
    font-weight: 700;
}

.proposal-match {
    background: var(--success);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 700;
}

.proposal-description {
    margin: 15px 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

.proposal-details summary {
    background: var(--card);
    padding: 12px 20px;
    cursor: pointer;
    font-weight: 700;
    color: var(--primary);
    border-radius: 6px;
    border: 2px solid var(--border);
}

.proposal-details summary:hover {
    background: var(--bg);
}

.proposal-doc {
    padding: 20px;
    background: white;
    margin-top: 10px;
    border-radius: 6px;
}

.proposal-sources ul, .key-numbers ul {
    list-style: none;
    padding-left: 0;
}

.proposal-sources li, .key-numbers li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.metric {
    background: white;
    padding: 10px 15px;
    border-radius: 6px;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
}

.metric .positive {
    color: var(--success);
    font-weight: 800;
}

.metric .negative {
    color: var(--accent);
    font-weight: 800;
}

footer {
    background: var(--primary);
    color: white;
    text-align: center;
    padding: 30px 20px;
}

footer p {
    margin: 8px 0;
    opacity: 0.9;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .proposal-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}