body { font-family: Arial, sans-serif; margin: 40px; background: #f7f7f7; }
.container { max-width: 900px; margin: auto; background: #fff; padding: 24px; border-radius: 8px; box-shadow: 0 2px 8px #0001; }
h1 { margin-bottom: 24px; }
input[type="text"] { width: 300px; padding: 8px; margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td { padding: 12px; border-bottom: 1px solid #eee; text-align: left; }
th { background: #f0f0f0; }
.status-dot {
    display: block;
    width: 18px; height: 18px;
    border-radius: 50%;
    margin: auto;
}
.status-1 { background: #e74c3c; }   /* Red */
.status-2 { background: #f1c40f; }   /* Yellow */
.status-3 { background: #27ae60; }   /* Green */
tbody { display: block; max-height: 400px; overflow-y: auto; }
thead, tbody tr { display: table; width: 100%; table-layout: fixed; }
td.status-cell { text-align: center; }