:root {
  --surface: #fcfcfb;
  --surface-2: #f3f2ef;
  --border: #e3e2dd;
  --text: #0b0b0b;
  --text-2: #52514e;
  --text-3: #8a8983;
  --accent: #2a78d6;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --critical-bg: #fbecec;
  --warning-bg: #fdf4dd;
  --good-bg: #e9f6e9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --surface: #1a1a19;
    --surface-2: #242423;
    --border: #383835;
    --text: #ffffff;
    --text-2: #c3c2b7;
    --text-3: #8a8983;
    --accent: #3987e5;
    --critical-bg: #3a2222;
    --warning-bg: #38301c;
    --good-bg: #1f3120;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}
.hidden { display: none !important; }
.muted { color: var(--text-2); }
.dim { color: var(--text-3); }
.error { color: var(--critical); }

/* login */
.login { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px;
  padding: 32px; width: 320px; display: flex; flex-direction: column; gap: 12px; text-align: center;
}
.login-card h1 { margin: 0; font-size: 22px; }
.login-card p { margin: 0; }

/* header */
header {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 10px 20px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--surface); z-index: 5;
}
.brand { font-size: 16px; white-space: nowrap; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav button {
  background: none; border: none; padding: 7px 12px; border-radius: 8px;
  color: var(--text-2); cursor: pointer; font-size: 14px;
}
nav button:hover { background: var(--surface-2); }
nav button.active { background: var(--surface-2); color: var(--text); font-weight: 600; }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 12px; }

main { padding: 20px; max-width: 1200px; margin: 0 auto; }

/* KPI tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 24px; }
.tile {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px;
}
.tile .label { font-size: 12px; color: var(--text-2); margin-bottom: 4px; }
.tile .value { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tile.crit { background: var(--critical-bg); border-color: var(--critical); }
.tile.warn { background: var(--warning-bg); }
.tile.ok { background: var(--good-bg); }

h2 { font-size: 15px; margin: 24px 0 10px; }
h2:first-child { margin-top: 0; }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; }
th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-3); font-weight: 600; padding: 8px 12px; border-bottom: 1px solid var(--border);
  background: var(--surface-2); white-space: nowrap;
}
td { padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-2); }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.empty { padding: 24px; text-align: center; color: var(--text-3); }

/* status badges: icon + label, never color alone */
.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap; background: var(--surface-2); border: 1px solid var(--border);
}
.badge.crit { background: var(--critical-bg); color: var(--critical); border-color: transparent; }
.badge.warn { background: var(--warning-bg); color: var(--text); border-color: transparent; }
.badge.ok { background: var(--good-bg); color: var(--good); border-color: transparent; }

/* buttons & inputs */
button {
  font: inherit; border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  border-radius: 8px; padding: 6px 12px; cursor: pointer;
}
button:hover { border-color: var(--text-3); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.ghost { background: none; }
button.small { padding: 3px 9px; font-size: 12px; }
button.danger { color: var(--critical); }
input, select {
  font: inherit; background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px;
}
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.filters { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 11px; cursor: pointer;
  background: none; font-size: 13px; color: var(--text-2);
}
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.assigned-chip {
  display: inline-flex; align-items: center; gap: 4px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; font-size: 12px; margin: 1px 2px 1px 0;
}
.assigned-chip button { border: none; background: none; padding: 0 2px; color: var(--text-3); font-size: 13px; }

.summary-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.summary-text { white-space: pre-line; line-height: 1.55; max-width: 900px; }
tr[data-summary-row] { background: var(--surface-2); }
tr[data-summary-row] td { padding: 14px 16px; }

.assign-editor { display: flex; flex-direction: column; gap: 4px; min-width: 200px; }
.assign-option { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.assign-actions { display: flex; gap: 6px; margin-top: 4px; flex-wrap: wrap; }

.msg-excerpt { color: var(--text-2); max-width: 420px; overflow-wrap: anywhere; }
.wallet { font-family: ui-monospace, monospace; font-size: 12px; overflow-wrap: anywhere; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.summary-strip { display: flex; gap: 16px; flex-wrap: wrap; margin: 10px 0 16px; font-size: 13px; }
.summary-strip .item { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; }

.settings-form { display: grid; gap: 14px; max-width: 640px; }
.settings-form .row { display: grid; grid-template-columns: 220px 1fr; gap: 12px; align-items: center; }
.settings-form .row .hint { grid-column: 2; font-size: 12px; color: var(--text-3); margin-top: -8px; }
@media (max-width: 640px) { .settings-form .row { grid-template-columns: 1fr; } }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--surface); padding: 9px 18px; border-radius: 8px; z-index: 10;
}