:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --text: #16181d;
  --muted: #5b6270;
  --line: #e1e4ea;
  --accent: #b4232a;        /* Santa red, used sparingly */
  --accent-ink: #ffffff;
  --ok: #1f7a4d;
  --ok-bg: #e5f4ec;
  --warn: #8a5a00;
  --warn-bg: #fdf1d8;
  --bad: #a3242a;
  --bad-bg: #fbe5e6;
  --info: #24518f;
  --info-bg: #e6eefa;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #171a20;
    --panel-2: #1e222a;
    --text: #e8eaee;
    --muted: #9aa2b1;
    --line: #2a2f39;
    --accent: #e0484f;
    --ok: #5fd39a; --ok-bg: #133325;
    --warn: #f2c35b; --warn-bg: #3a2d10;
    --bad: #ff8a8f; --bad-bg: #3d1719;
    --info: #8db6ff; --info-bg: #162640;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 var(--sans); }
a { color: inherit; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }

.shell { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.nav { background: var(--panel); border-right: 1px solid var(--line); padding: 18px 12px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; gap: 10px; align-items: center; padding: 0 8px; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; background: var(--accent); box-shadow: inset 0 -8px 0 rgba(255,255,255,.85); }
.brand-name { font-weight: 650; }
.brand-sub { color: var(--muted); font-size: 12px; }
.nav nav { display: flex; flex-direction: column; gap: 2px; }
.nav nav a { text-decoration: none; padding: 8px 10px; border-radius: 8px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; }
.nav nav a:hover { background: var(--panel-2); color: var(--text); }
.nav nav a.active { background: var(--panel-2); color: var(--text); font-weight: 600; }
.whoami { margin-top: auto; font-size: 12px; color: var(--muted); padding: 0 8px; }
.whoami b { color: var(--text); font-weight: 600; display: block; overflow: hidden; text-overflow: ellipsis; }

.main { min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 18px 28px 6px; }
.topbar h1 { font-size: 20px; margin: 0; font-weight: 650; }
.icon-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; color: var(--text); padding: 4px 10px; font-size: 16px; }
.view { padding: 12px 28px 48px; }

.mode-badge { margin-left: auto; font-weight: 650; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; }
.mode-monitor { background: var(--warn-bg); color: var(--warn); }
.mode-lockdown { background: var(--ok-bg); color: var(--ok); }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-bottom: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; text-decoration: none; display: block; }
.card .k { color: var(--muted); font-size: 12px; }
.card .v { font-size: 26px; font-weight: 650; margin-top: 4px; font-variant-numeric: tabular-nums; }
.card .s { color: var(--muted); font-size: 12px; margin-top: 2px; }
.card.alert .v { color: var(--bad); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 18px; overflow: hidden; }
.panel-head { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.panel-head h2 { font-size: 15px; margin: 0; font-weight: 650; margin-right: auto; }
.panel-body { padding: 14px; }
.note { color: var(--muted); font-size: 13px; margin: 0 0 12px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--panel-2); position: sticky; top: 0; }
tr:last-child td { border-bottom: none; }
td.actions { white-space: nowrap; text-align: right; }
td .sub { color: var(--muted); font-size: 12px; }
.ident { font-family: var(--mono); font-size: 12.5px; word-break: break-all; }

.chip { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; white-space: nowrap; }
.c-allow { background: var(--ok-bg); color: var(--ok); }
.c-block { background: var(--bad-bg); color: var(--bad); }
.c-warn { background: var(--warn-bg); color: var(--warn); }
.c-info { background: var(--info-bg); color: var(--info); }
.c-muted { background: var(--panel-2); color: var(--muted); }
.pill { background: var(--accent); color: var(--accent-ink); border-radius: 999px; font-size: 11px; padding: 0 7px; font-weight: 700; }

button, .btn { font: inherit; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: 6px 12px; cursor: pointer; }
button:hover { background: var(--panel-2); }
button.primary { background: var(--text); color: var(--panel); border-color: var(--text); }
button.danger { color: var(--bad); }
button.small { padding: 3px 9px; font-size: 12.5px; }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; width: 100%; }
textarea { min-height: 70px; resize: vertical; }
input[type="search"] { max-width: 280px; }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tabs { display: flex; gap: 4px; }
.tabs button.on { background: var(--panel-2); font-weight: 600; }

dialog { border: 1px solid var(--line); border-radius: 14px; padding: 0; width: min(640px, 94vw); background: var(--panel); color: var(--text); }
dialog::backdrop { background: rgba(10, 12, 16, .45); }
.modal-head { padding: 16px 18px 6px; }
.modal-head h3 { margin: 0; font-size: 17px; }
.modal-head p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.modal-body { padding: 10px 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; max-height: 64vh; overflow: auto; }
.modal-body .full { grid-column: 1 / -1; }
.modal-body label { font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
.modal-foot { display: flex; gap: 8px; justify-content: flex-end; padding: 12px 18px 16px; border-top: 1px solid var(--line); margin-top: 8px; }
.msgs { padding: 0 18px; }
.msgs:empty { display: none; }
.msg { border-radius: 8px; padding: 8px 10px; font-size: 13px; margin-bottom: 6px; }
.msg.err { background: var(--bad-bg); color: var(--bad); }
.msg.warn { background: var(--warn-bg); color: var(--warn); }
pre.payload { background: var(--panel-2); border-radius: 8px; padding: 10px; margin: 8px 0 0; overflow: auto; font: 12px/1.4 var(--mono); max-height: 240px; }

.toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { background: var(--text); color: var(--panel); padding: 10px 14px; border-radius: 10px; max-width: 420px; box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.toast.err { background: var(--bad); color: #fff; }
.empty { color: var(--muted); padding: 28px; text-align: center; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .nav { position: fixed; z-index: 40; left: 0; top: 0; width: 250px; transform: translateX(-100%); transition: transform .2s; }
  .nav.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.25); }
  .icon-btn { display: inline-block; }
  .topbar, .view { padding-left: 16px; padding-right: 16px; }
  .modal-body { grid-template-columns: 1fr; }
}