:root{
  --navy:#1f3a5f;--navy2:#2c5282;--ink:#1a202c;--mut:#64748b;--line:#e2e8f0;
  --bg:#f5f7fa;--card:#fff;--green:#15803d;--amber:#b45309;--red:#b91c1c;
  color-scheme:light;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);font-size:13.5px;line-height:1.45}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
a{color:var(--navy2);text-decoration:none}
a:hover{text-decoration:underline}

/* top bar */
.topbar{background:var(--navy);color:#fff}
.topbar .bar{display:flex;align-items:center;gap:18px;height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px}
.brand em{color:#cbd5e1;font-style:normal;font-weight:400}
.brand .mark{background:#fff;color:var(--navy);font-family:Georgia,serif;font-weight:700;
  border-radius:6px;padding:3px 7px;font-size:13px;letter-spacing:.02em}
.nav{display:flex;gap:4px;margin-left:6px}
.nav a{color:#dbe4f0;padding:6px 11px;border-radius:7px;font-size:13px}
.nav a:hover{background:rgba(255,255,255,.1);text-decoration:none}
.nav a.on{background:rgba(255,255,255,.18);color:#fff}
.who{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:12.5px;color:#dbe4f0}
.uname{opacity:.95}
.badge{background:#fbbf24;color:#78350f;border-radius:20px;padding:1px 7px;font-size:10px;font-weight:700;text-transform:uppercase}

main.wrap{padding-top:22px;padding-bottom:40px}
h1{font-family:Georgia,serif;font-size:22px;margin:0 0 4px;color:var(--navy)}
.sub{color:var(--mut);font-size:12.5px;margin-bottom:18px}
h2{font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--navy2);margin:0 0 12px}

/* cards & grid */
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:860px){.grid,.grid3{grid-template-columns:1fr}}

/* forms */
label{display:block;font-size:12px;color:var(--mut);margin:10px 0 3px;font-weight:600}
input,select,textarea{width:100%;padding:8px 9px;border:1px solid var(--line);border-radius:7px;
  font-size:13.5px;font-family:inherit;background:#fff;color:var(--ink)}
textarea{resize:vertical;min-height:44px}
.row{display:flex;gap:12px}.row>div{flex:1}
.chk{display:flex;align-items:center;gap:8px;margin-top:26px}.chk input{width:auto}
button,.btn{background:var(--navy);color:#fff;border:0;border-radius:7px;padding:9px 14px;
  font-size:13px;font-weight:600;cursor:pointer;display:inline-block}
button:hover,.btn:hover{background:var(--navy2);text-decoration:none;color:#fff}
button.sm,.btn.sm{padding:5px 10px;font-size:11.5px}
button.ghost,.ghost{background:#fff;color:var(--navy2);border:1px solid var(--line)}
button.ghost:hover,.ghost:hover{background:var(--bg);color:var(--navy2)}
button.danger{background:var(--red)}
.actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;align-items:center}

/* stats */
.stats{display:flex;gap:12px;flex-wrap:wrap}
.stat{flex:1;min-width:90px;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:11px}
.stat .n{font-size:23px;font-weight:700;color:var(--navy)}
.stat .l{font-size:10.5px;color:var(--mut);text-transform:uppercase;letter-spacing:.03em}
.stat.good .n{color:var(--green)}
.stat.warn .n{color:var(--amber)}

/* tables */
table{width:100%;border-collapse:collapse;margin-top:4px}
th,td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--line);font-size:12.5px;vertical-align:top}
th{color:var(--mut);font-size:10.5px;text-transform:uppercase;letter-spacing:.03em}
tr:hover td{background:#fafcff}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.pill{font-size:10px;padding:2px 8px;border-radius:20px;font-weight:700;display:inline-block}
.pill.b{background:#dcfce7;color:var(--green)}
.pill.nb{background:#fef3c7;color:var(--amber)}
.pill.off{background:#fee2e2;color:var(--red)}
.pill.on{background:#dcfce7;color:var(--green)}

/* flashes */
.flash{padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:13px}
.flash.ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.flash.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.banner{background:#fffbeb;border:1px solid #fde68a;color:#92400e;font-size:12px;
  padding:10px 14px;border-radius:8px;margin-bottom:18px}

/* auth screen */
.authwrap{max-width:380px;margin:8vh auto;padding:0 20px}
.authcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px 26px;
  box-shadow:0 8px 30px rgba(31,58,95,.08)}
.authcard h1{text-align:center;margin-bottom:2px}
.authcard .sub{text-align:center}
.chartbox{position:relative;height:240px}
.chartbox.sm{height:200px}
.muted{color:var(--mut);font-size:12px}
.right{text-align:right}
.tag{font-size:11px;color:var(--mut)}
.filterbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}
.filterbar > div{min-width:130px}
.inline{display:inline}
.spacer{flex:1}