body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; margin: 24px; }
.topbar { display:flex; align-items:baseline; justify-content:space-between; gap:16px; }
.month-nav a { margin: 0 8px; text-decoration:none; }
.alert { background:#ffe8e8; border:1px solid #f5b5b5; padding:8px 12px; border-radius:6px; }
.calendar { margin-top:16px; }
.grid { display:grid; grid-template-columns: repeat(7, 1fr); gap:8px; }
.grid.header { font-weight:600; color:#444; }
.cell { border:1px solid #eee; min-height:120px; border-radius:8px; padding:6px; position:relative; }
.cell .date { position:absolute; top:6px; right:8px; font-size:12px; color:#888; }
.events { list-style:none; padding-left:0; margin:4px 0 0; }
.events li { margin:4px 0; font-size:14px; }
.badge { background:#f2f2f2; border-radius:4px; padding:1px 6px; margin-left:6px; font-size:12px; }
.btn { display:inline-block; padding:8px 12px; border:1px solid #ddd; border-radius:6px; text-decoration:none; }
label { display:block; margin:8px 0; }
input, select, textarea { width:100%; padding:8px; box-sizing:border-box; }
fieldset { border:1px solid #eee; border-radius:8px; padding:8px 12px; margin:12px 0; }
.table { width:100%; border-collapse:collapse; }
.table th, .table td { border:1px solid #eee; padding:8px; text-align:left; }
.table th { background:#fafafa; }
.actions a { margin-right:8px; }
.topnav a { margin-right:12px; }