:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%;margin:0;padding:0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f7fa}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem;text-align:center;box-shadow:0 4px 6px #0000001a}.header h1{font-size:2.5rem;font-weight:700;margin-bottom:.5rem}.subtitle{font-size:1.1rem;opacity:.9}.nav{background:#fff;padding:1rem;display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;box-shadow:0 2px 4px #0000000d;position:sticky;top:0;z-index:100}.nav-link{padding:.75rem 1.5rem;background:#f0f0f0;color:#333;text-decoration:none;border-radius:8px;font-weight:500;transition:all .3s ease;font-size:.9rem}.nav-link:hover{background:#667eea;color:#fff;transform:translateY(-2px);box-shadow:0 4px 8px #667eea4d}.main{flex:1;padding:2rem;max-width:1400px;margin:0 auto;width:100%}.dashboard{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 4px 6px #0000000d;margin-bottom:2rem}.dashboard-header{margin-bottom:2rem;border-bottom:2px solid #667eea;padding-bottom:1rem}.dashboard-title{font-size:2rem;color:#333;margin-bottom:.5rem}.dashboard-description{color:#666;font-size:1rem}.chart-container{margin:2rem 0;padding:1rem;background:#fafafa;border-radius:8px}.loading{text-align:center;padding:4rem;color:#666;font-size:1.2rem}.error{background:#fee;color:#c33;padding:1.5rem;border-radius:8px;border-left:4px solid #c33}.footer{background:#2d3748;color:#fff;padding:1.5rem;text-align:center;margin-top:auto}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin:2rem 0}.metric-card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:1.5rem;transition:transform .2s}.metric-card:hover{transform:translateY(-4px);box-shadow:0 8px 16px #0000001a}.metric-label{color:#666;font-size:.9rem;margin-bottom:.5rem}.metric-value{font-size:2rem;font-weight:700;color:#667eea}.metric-unit{font-size:1rem;color:#999;margin-left:.25rem}.controls{background:#f8f9fa;padding:1.5rem;border-radius:8px;margin-bottom:2rem}.control-group{margin-bottom:1.5rem}.control-label{display:block;font-weight:600;margin-bottom:.5rem;color:#333}.slider{width:100%;height:8px;border-radius:4px;background:#e2e8f0;outline:none;-webkit-appearance:none}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:#667eea;cursor:pointer}.slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#667eea;cursor:pointer}@media(max-width:768px){.header h1{font-size:1.75rem}.nav{flex-direction:column}.nav-link{width:100%;text-align:center}.main,.dashboard{padding:1rem}.dashboard-title{font-size:1.5rem}.metrics-grid{grid-template-columns:1fr}}