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

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1f3a;
    --bg-tertiary: #2a3050;
    --text-primary: #e0e6ed;
    --text-secondary: #a0aec0;
    --constraint-green: #00ff88;
    --constraint-green-dark: #00cc6a;
    --traditional-red: #ff4757;
    --traditional-red-dark: #cc3344;
    --accent-blue: #4dabf7;
    --border-color: #3a4a6a;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 20px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--constraint-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1em;
}

.controls {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--constraint-green), var(--constraint-green-dark));
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

#statusText {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--constraint-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.spinner.active {
    display: block;
}

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

.chart-type-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.chart-type-btn {
    padding: 10px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chart-type-btn:hover {
    background: var(--bg-tertiary);
}

.chart-type-btn.active {
    background: var(--constraint-green);
    color: var(--bg-primary);
    border-color: var(--constraint-green);
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.chart-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.chart-card h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.2em;
}

.chart-canvas {
    width: 100%;
    height: 250px;
    margin-bottom: 20px;
}

.chart-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.info-item {
    text-align: center;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.info-label {
    font-size: 0.8em;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.info-value {
    font-size: 1.3em;
    font-weight: 700;
}

.info-value.constraint {
    color: var(--constraint-green);
}

.info-value.traditional {
    color: var(--traditional-red);
}

.info-value.speedup {
    color: var(--accent-blue);
}

.radar-chart-container {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

#radarChart {
    max-width: 600px;
    max-height: 600px;
}

.table-container {
    margin-bottom: 40px;
    overflow-x: auto;
}

#comparisonTable {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

#comparisonTable th,
#comparisonTable td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

#comparisonTable th {
    background: var(--bg-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85em;
    letter-spacing: 0.5px;
}

#comparisonTable tbody tr:hover {
    background: var(--bg-tertiary);
}

.winner-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
}

.winner-badge.constraint {
    background: rgba(0, 255, 136, 0.2);
    color: var(--constraint-green);
}

.winner-badge.traditional {
    background: rgba(255, 71, 87, 0.2);
    color: var(--traditional-red);
}

.benchmark-descriptions {
    margin-bottom: 40px;
}

.benchmark-descriptions h2 {
    margin-bottom: 25px;
    color: var(--text-primary);
}

.description-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.description-card {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.description-card h3 {
    color: var(--constraint-green);
    margin-bottom: 15px;
    font-size: 1.1em;
}

.description-card p {
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 0.95em;
}

.description-card strong {
    color: var(--text-primary);
}

.summary {
    margin-bottom: 40px;
}

.summary h2 {
    margin-bottom: 25px;
    color: var(--text-primary);
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.stat-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--constraint-green);
    margin-bottom: 5px;
}

.stat-unit {
    font-size: 0.85em;
    color: var(--text-secondary);
}

footer {
    text-align: center;
    padding: 30px 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

footer p {
    margin-bottom: 10px;
}

.disclaimer {
    font-size: 0.85em;
    font-style: italic;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }

    .charts-container {
        grid-template-columns: 1fr;
    }

    .chart-info {
        grid-template-columns: 1fr;
    }

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

    .controls {
        flex-direction: column;
        align-items: stretch;
    }

    .status {
        margin-left: 0;
    }
}