:root{--bg:#f5f6f8;--card:#fff;--fg:#1d2330;--muted:#6b7385;--line:#e3e6ec;--brand:#2f5bea;
--ok:#1f8f4e;--ok-bg:#e3f5ea;--warn:#a46200;--warn-bg:#fff2d9;--crit:#c0262d;--crit-bg:#fde4e4;--err:#5b6170;--err-bg:#eceef2}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.topbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding:12px 24px;background:#141a2b;color:#fff}
.topbar a{color:#dfe5ff;margin-left:16px}.brand{font-weight:700;font-size:18px;color:#fff!important;margin:0!important}
.logo{color:#6f8cff}.topbar nav{display:flex;align-items:center;flex-wrap:wrap}
.container{max-width:1200px;margin:0 auto;padding:24px 16px}
.footer{text-align:center;color:var(--muted);font-size:13px;padding:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:18px}
.card.narrow{max-width:420px;margin:48px auto}
h1{font-size:24px;margin:0 0 16px}h2{font-size:18px;margin:0 0 12px}h3{font-size:16px;margin:0 0 8px;display:flex;gap:8px;align-items:center;justify-content:space-between}
.stack{display:flex;flex-direction:column;gap:12px;margin-bottom:12px}
label{display:flex;flex-direction:column;gap:4px;font-weight:500;font-size:14px}
label.check{flex-direction:row;align-items:center;gap:8px}
input{font:inherit;padding:8px 10px;border:1px solid #c9ceda;border-radius:6px;background:#fff;min-width:0}
button{font:inherit;padding:8px 14px;border-radius:6px;border:1px solid #c9ceda;background:#fff;cursor:pointer}
button.primary{background:var(--brand);border-color:var(--brand);color:#fff}
button.danger{background:var(--crit);border-color:var(--crit);color:#fff}
button.link{background:none;border:0;color:#dfe5ff;padding:0;margin-left:16px}
form.inline{display:inline}
.addform{display:flex;gap:8px;flex-wrap:wrap}.addform input{flex:1 1 180px}
.summary{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.stat{flex:1 1 140px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;display:flex;flex-direction:column}
.stat .n{font-size:28px;font-weight:700}.stat.ok .n{color:var(--ok)}.stat.warning .n{color:var(--warn)}.stat.critical .n{color:var(--crit)}
.table-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600;font-size:13px}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.badge-ok{background:var(--ok-bg);color:var(--ok)}.badge-warning{background:var(--warn-bg);color:var(--warn)}
.badge-critical{background:var(--crit-bg);color:var(--crit)}.badge-error,.badge-pending{background:var(--err-bg);color:var(--err)}
.flash{padding:10px 14px;border-radius:8px;background:#eef2ff;border:1px solid #d5ddff}
.flash.ok{background:var(--ok-bg);border-color:#bfe6cd}.flash.error{background:var(--crit-bg);border-color:#f5c2c2}
.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;word-break:break-all}
.pagehead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.pagehead h1{margin:0;display:flex;gap:10px;align-items:center}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:0 18px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:0 18px}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:4px 12px;margin:8px 0;font-size:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}
ul.history,ul.alerts,ul.ct{list-style:none;padding:0;margin:0}
ul.history li,ul.alerts li,ul.ct li{padding:6px 0;border-bottom:1px solid var(--line);font-size:14px}
.danger-zone{border-color:#f0c4c4;margin-top:12px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.plan.current{border-color:var(--brand)}.price{font-size:26px;font-weight:700;margin:4px 0}.price span{font-size:13px;color:var(--muted);font-weight:400}
@media (max-width:600px){.checks,.grid2{grid-template-columns:1fr}.topbar a{margin-left:10px}}