:root{--navy:#14213d;--bg:#f4f6fa;--card:#fff;--line:#dfe3ec;--text:#1b2433;--green:#1a8f4c;--red:#d12f2f;--grey:#8a93a5}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Tahoma,"Segoe UI",Arial,sans-serif;font-size:15px;line-height:1.7}
.top{background:var(--navy);color:#fff;display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:10px 14px}
.brand{font-weight:bold;font-size:17px}
.top nav{display:flex;flex-wrap:wrap;gap:6px;flex:1}
.top nav a{color:#dfe6f5;text-decoration:none;padding:4px 10px;border-radius:6px}
.top nav a:hover{background:#26365e}
.logout{display:flex;align-items:center;gap:8px;margin:0}
main{max-width:1100px;margin:0 auto;padding:14px}
h1{font-size:20px;margin:6px 0 14px}
h2{font-size:17px;margin:0 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:14px}
.status{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;border-right:6px solid var(--grey)}
.status.on{border-right-color:var(--green)}
.status.off{border-right-color:var(--red)}
.big{font-size:18px;font-weight:bold}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.grid .card{margin-bottom:0}
.grid{margin-bottom:14px}
.num{font-size:24px;font-weight:bold}
.muted{color:var(--grey);font-size:13px}
.btn{border:0;border-radius:8px;padding:9px 16px;font-size:15px;cursor:pointer;background:var(--navy);color:#fff;font-family:inherit}
.btn.small{padding:4px 10px;font-size:13px}
.btn.danger{background:var(--red)}
.btn.ok{background:var(--green)}
.flash{background:#fff4d6;border:1px solid #f0d58a;border-radius:8px;padding:8px 12px;margin-bottom:12px}
.login{max-width:360px;margin:60px auto}
label{display:block;margin:10px 0 4px}
input[type=text],input[type=password],input[type=date],select{width:100%;padding:9px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;background:#fff}
.scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:var(--card)}
th,td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
th{background:#eef1f7;font-size:13px}
.sev-warning{color:#a66a00}
.sev-error{color:var(--red)}
tr.group-start td{border-top:2px solid #e3e8f2}
tr.stale td{color:var(--grey);background:#f1f2f5}
.up{color:var(--green);font-weight:bold}
.down{color:var(--red);font-weight:bold}
.stale-note{display:block;font-size:12px;color:#b36b00}
.sub{display:block;font-size:12px;color:var(--grey)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.chips a{background:#fff;border:1px solid var(--line);border-radius:20px;padding:4px 12px;text-decoration:none;color:var(--text)}