@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root{
  --navy:#0c2d55;--navy-2:#143c6e;--blue:#1f6fb2;--blue-soft:#e4eef8;
  --ink:#16202b;--ink-2:#4a5664;--ink-3:#7a8694;
  --page:#eef2f6;--surface:#fff;--line:#d5dde6;--line-2:#e9eef3;
  --ok:#167a4a;--ok-bg:#e3f5ea;--warn:#b54708;--warn-bg:#fdf0e1;--bad:#b42318;--bad-bg:#fbe9e7;
  --radius:6px;--sidebar:224px;
}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:14px/1.5 "IBM Plex Sans",system-ui,sans-serif;color:var(--ink);background:var(--page);font-variant-numeric:tabular-nums}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* layout */
.shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}
.side{background:var(--navy);color:#fff;padding:20px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px;font-weight:600;font-size:15px;letter-spacing:.2px}
.brand .logo{height:34px;width:auto;max-width:120px;object-fit:contain}
.logo-lg{height:56px;width:auto;max-width:220px;object-fit:contain}
.brand .mark{width:30px;height:30px;border-radius:7px;background:#fff;color:var(--navy);display:grid;place-items:center;font-weight:700;font-size:12px}
.brand small{display:block;font-weight:400;color:#a9c3e0;font-size:12px}
.side nav a{display:flex;align-items:center;gap:10px;color:#cfe0f2;padding:8px 10px;border-radius:var(--radius);margin-bottom:2px;font-weight:500}
.side nav a:hover{background:var(--navy-2);color:#fff;text-decoration:none}
.side nav a.active{background:#fff;color:var(--navy)}
.side nav svg{width:16px;height:16px;flex:none;opacity:.85}
.side .who{margin-top:auto;padding:12px 10px 0;border-top:1px solid var(--navy-2);color:#a9c3e0;font-size:12.5px;display:flex;align-items:center;justify-content:space-between}
.side .who b{color:#fff;font-weight:500}
.main{padding:28px 36px 48px;min-width:0}
.page-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
h1{font-size:22px;font-weight:600;margin:0;color:var(--navy);letter-spacing:-.2px}
.page-head .sub{color:var(--ink-3);font-size:13px}
h2{font-size:14px;font-weight:600;margin:0;color:var(--ink)}
.actions{display:flex;gap:8px;flex-wrap:wrap}

/* panels and tables */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;margin-bottom:20px}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line-2)}
.panel-head .muted{font-size:12.5px}
.panel-body{padding:16px}
table{width:100%;border-collapse:collapse}
th,td{padding:9px 14px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--line-2)}
th{font-size:12.5px;font-weight:600;color:var(--ink-2);background:#f7f9fb;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}tbody tr:hover td{background:#f9fbfd}
td.num,th.num{text-align:right}
.muted{color:var(--ink-3)}.small{font-size:12.5px}
.empty{padding:40px 16px;text-align:center;color:var(--ink-3)}.empty b{display:block;color:var(--ink-2);font-weight:500;margin-bottom:4px}

/* stat strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
.stat .v{font-size:28px;font-weight:600;color:var(--navy);line-height:1.1}
.stat .k{color:var(--ink-3);font-size:13px;margin-top:4px}
.stat.ok .v{color:var(--ok)}.stat.bad .v{color:var(--bad)}.stat.warn .v{color:var(--warn)}

/* the plate */
.plate{display:inline-block;font-weight:600;font-size:13px;letter-spacing:.12em;padding:2px 8px;border:1.5px solid var(--ink);border-radius:4px;background:#fff;color:var(--ink);line-height:1.5;white-space:nowrap}
.plate.unknown{border-style:dashed;color:var(--ink-2)}
a .plate:hover{background:var(--blue-soft);border-color:var(--blue);color:var(--navy)}
.thumb{height:36px;width:auto;border-radius:3px;border:1px solid var(--line);display:block}

/* pills */
.pill{display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:500;line-height:1.6}
.pill.entry{background:var(--ok-bg);color:var(--ok)}.pill.exit{background:var(--bad-bg);color:var(--bad)}
.pill.unknown{background:var(--line-2);color:var(--ink-2)}.pill.warn{background:var(--warn-bg);color:var(--warn)}.pill.ok{background:var(--ok-bg);color:var(--ok)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:1px}
.dot.ok{background:var(--ok)}.dot.warn{background:var(--warn)}.dot.off{background:var(--ink-3)}

/* forms and buttons */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:16px}
.filters label,.field{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--ink-2)}
input:not([type=checkbox]),select{padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius);font:inherit;color:var(--ink);background:#fff;min-width:140px}
input:focus,select:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-soft)}
.check{flex-direction:row;align-items:center;gap:6px;padding-bottom:8px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius);border:1px solid var(--blue);background:var(--blue);color:#fff;font:inherit;font-weight:500;cursor:pointer;line-height:1.4}
.btn:hover{background:var(--navy-2);border-color:var(--navy-2);text-decoration:none}
.btn.secondary{background:#fff;color:var(--navy);border-color:var(--line)}.btn.secondary:hover{background:var(--blue-soft)}
.btn.sm{padding:4px 10px;font-size:12.5px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px 20px}
.form-grid p{margin:0;display:flex;flex-direction:column;gap:4px}.form-grid label{font-size:12.5px;color:var(--ink-2)}
.form-grid .help{font-size:12px;color:var(--ink-3)}.form-grid input[type=checkbox]{width:16px;height:16px}
.errorlist{color:var(--bad);margin:0;padding:0;list-style:none;font-size:12.5px}
.form-foot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line-2);display:flex;gap:8px}
.notice{padding:10px 14px;border-radius:var(--radius);margin-bottom:16px;border:1px solid}
.notice.success{background:var(--ok-bg);color:var(--ok);border-color:#bfe5cc}.notice.error{background:var(--bad-bg);color:var(--bad);border-color:#f3c3bd}
.pager{display:flex;gap:14px;align-items:center;margin-top:14px;color:var(--ink-3);font-size:13px}
details.panel summary{padding:12px 16px;cursor:pointer;color:var(--ink-2)}details.panel pre{margin:0;padding:0 16px 16px;font-size:12px;white-space:pre-wrap;color:var(--ink-2)}
.kv th{width:160px;color:var(--ink-3);font-weight:500;background:none}

/* login */
.login{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.login .intro{background:var(--navy);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:space-between}
.login .intro h2{color:#fff;font-size:30px;font-weight:600;line-height:1.2;max-width:22ch;letter-spacing:-.3px}
.login .intro p{color:#a9c3e0;max-width:44ch}
.login .form{display:grid;place-items:center;padding:40px 24px;background:var(--page)}
.login form{width:100%;max-width:360px}
.login form p{display:flex;flex-direction:column;gap:5px;margin:0 0 14px}.login input{width:100%;min-width:0}
.login .btn{width:100%;justify-content:center;padding:9px}

/* responsive */
@media(max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;align-items:center;gap:8px;padding:10px 12px;overflow-x:auto}
  .brand{padding:0 8px 0 0}.brand small{display:none}.side nav{display:flex;gap:2px}.side nav a{white-space:nowrap;padding:6px 10px}.side .who{margin:0 0 0 auto;border:0;padding:0}
  .main{padding:16px}.stats{grid-template-columns:repeat(2,1fr)}
  .login{grid-template-columns:1fr}.login .intro{padding:28px 24px}.login .intro h2{font-size:22px}
  th:nth-child(n+6),td:nth-child(n+6){display:none}
}
@media print{.side,.filters,.actions{display:none}.shell{display:block}.main{padding:0}}

details.panel>summary::-webkit-details-marker{display:none}details.panel>summary .chev{display:inline-block;transition:transform .15s}details.panel[open]>summary .chev{transform:rotate(180deg)}details.panel>summary{border-bottom:0}details.panel[open]>summary{border-bottom:1px solid var(--line-2)}