: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}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{max-width:1280px;margin:0 auto;padding:2rem}.container{max-width:1200px;margin:0 auto;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}header{margin-bottom:2rem;text-align:center}.subtitle{color:#666;margin-top:.5rem}h1{color:#333;margin-bottom:.5rem}h2{color:#555;margin-bottom:1rem}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}button{padding:.75rem 1.5rem;background-color:#4a90e2;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .2s}button:hover{background-color:#3a80d2}button:disabled{background-color:#ccc;cursor:not-allowed}.check-button{background-color:#43a047}.check-button:hover{background-color:#388e3c}.error-message{padding:1rem;background-color:#ffebee;color:#c62828;border-radius:4px;margin-bottom:1.5rem}.sites-list{margin-bottom:2rem}table{width:100%;border-collapse:collapse;margin-top:1rem;box-shadow:0 1px 3px #0000001a;border-radius:8px;overflow:hidden}th,td{padding:1rem;text-align:left;border-bottom:1px solid #eee}th{background-color:#f5f5f5;font-weight:600}.site-up{background-color:#f1f8e9}.site-down{background-color:#ffebee}.loading{text-align:center;padding:2rem;color:#757575}.empty-state{text-align:center;padding:2rem;color:#757575;background-color:#f5f5f5;border-radius:8px}footer{margin-top:3rem;padding-top:1.5rem;border-top:1px solid #eee;color:#757575;font-size:.9rem;text-align:center}.view-details-button{background-color:#007bff;color:#fff;border:none;border-radius:4px;padding:5px 10px;cursor:pointer;font-size:14px}.view-details-button:hover{background-color:#0069d9}.stats-graph{margin:20px 0;padding:20px;background-color:#f8f9fa;border-radius:8px;box-shadow:0 2px 4px #0000001a}.stats-summary{display:flex;justify-content:space-around;margin-bottom:20px}.stat-item{text-align:center;padding:10px 20px;background-color:#fff;border-radius:4px;box-shadow:0 1px 3px #0000001a}.stat-item h3{margin:0 0 5px;font-size:16px;color:#666}.stat-item p{margin:0;font-size:24px;font-weight:700;color:#333}.chart-container{margin:20px 0;background-color:#fff;padding:15px;border-radius:4px;box-shadow:0 1px 3px #0000001a}.chart-container h3{margin-top:0;color:#555;font-size:18px}.site-detail{max-width:1000px;margin:0 auto;padding:20px}.site-detail-header{display:flex;align-items:center;margin-bottom:10px}.subtitle-container{text-align:center;margin-bottom:20px}.site-detail-header h2{margin:0 15px;flex-grow:1}.back-button{padding:8px 16px;background-color:#f0f0f0;border:none;border-radius:4px;cursor:pointer;font-weight:700}.back-button:hover{background-color:#e0e0e0}.site-info{background-color:#fff;padding:15px;border-radius:4px;box-shadow:0 1px 3px #0000001a;margin-bottom:20px}.status-indicator{padding:5px 10px;border-radius:4px;font-weight:700;color:#fff}.status-indicator.up{background-color:#28a745}.status-indicator.down{background-color:#dc3545}.error{color:#dc3545;padding:10px;background-color:#f8d7da;border-radius:4px;margin:10px 0}