:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10110f;
  --bg-elev: #181a16;
  --bg-soft: #1f221c;
  --line: #2c3128;
  --text: #eceee6;
  --muted: #9aa392;
  --dim: #6f7668;
  --accent: #c4f04d;
  --accent-ink: #1a2208;
  --ok: #7dce7a;
  --warn: #e3b341;
  --bad: #e36b5c;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --radius: 14px;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --glow: rgba(196, 240, 77, 0.08);
  --brand-ring: rgba(196, 240, 77, 0.12);
  --card-hover: #3d4634;
  --pill-demo-border: #4d5a2a;
  --led-off: #4a4f45;
  --banner-ok-bg: #182016;
  --banner-ok-line: #2f4a28;
  --banner-bad-bg: #2a1614;
  --banner-bad-line: #5a2d28;
  --focus-ring: rgba(196, 240, 77, 0.35);
  --focus-border: #5d6b38;
  --primary-border: #d6f57a;
  --code: #d5d8cc;
  --modal-scrim: rgba(8, 9, 7, 0.72);
  --ok-glow: rgba(125, 206, 122, 0.6);
  --warn-glow: rgba(227, 179, 65, 0.5);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f4ee;
  --bg-elev: #fcfdf8;
  --bg-soft: #eaecdf;
  --line: #d4d8ca;
  --text: #1b1e16;
  --muted: #5a6152;
  --dim: #7a8170;
  --accent: #c4f04d;
  --accent-ink: #1a2208;
  --ok: #2f8a3a;
  --warn: #b07a12;
  --bad: #c2473b;
  --shadow: 0 18px 40px rgba(28, 32, 18, 0.08);
  --glow: rgba(139, 184, 42, 0.14);
  --brand-ring: rgba(139, 184, 42, 0.2);
  --card-hover: #b7c08e;
  --pill-demo-border: #c2d07a;
  --led-off: #c5c9ba;
  --banner-ok-bg: #e8f3e4;
  --banner-ok-line: #b5d4ae;
  --banner-bad-bg: #f8e6e3;
  --banner-bad-line: #e2b4ae;
  --focus-ring: rgba(139, 184, 42, 0.4);
  --focus-border: #8bb82a;
  --primary-border: #9cc93a;
  --code: #3a3f32;
  --modal-scrim: rgba(28, 32, 18, 0.42);
  --ok-glow: rgba(47, 138, 58, 0.35);
  --warn-glow: rgba(176, 122, 18, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 500px at 10% -10%, var(--glow), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.45;
}

a { color: inherit; }
code, .mono { font-family: var(--mono); font-size: 0.92em; }
.wrap { overflow-wrap: anywhere; }
.dim { color: var(--dim); }
.muted { color: var(--muted); }
.inline { display: inline; }

.app { max-width: 1100px; margin: 0 auto; padding: 20px 20px 64px; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--brand-ring);
}
.brand-name { font-weight: 650; letter-spacing: 0.02em; }
.top-meta { display: flex; gap: 14px; align-items: center; font-size: 0.92rem; }

.theme-toggle {
  appearance: none;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.theme-toggle:hover { border-color: var(--card-hover); }
.theme-toggle:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.theme-toggle svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
html[data-theme="dark"] .theme-toggle .icon-moon,
html:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
html[data-theme="light"] .theme-toggle .icon-sun { display: none; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--muted);
  margin: 0 0 6px;
}
.eyebrow a { color: var(--muted); }
h1, h2 { margin: 0 0 8px; font-weight: 650; letter-spacing: -0.02em; }
h1 { font-size: 1.8rem; }
h2 { font-size: 1.05rem; }
.lede { margin: 0; color: var(--muted); max-width: 62ch; }

.page-head, .card-top, .table-head, .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.page-head { margin-bottom: 22px; }
.table-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.filter input {
  width: min(240px, 70vw);
  padding: 7px 10px;
  font-size: 0.9rem;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.panel, .card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
}
.card { text-decoration: none; display: block; box-shadow: var(--shadow); }
.card:hover { border-color: var(--card-hover); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.iface-name { font-size: 1.15rem; }
.iface-card { position: relative; overflow: hidden; }
.iface-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--accent);
}

.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin: 16px 0 0; }
.facts-block { margin-top: 12px; }
.facts dt { color: var(--dim); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; }
.facts dd { margin: 2px 0 0; }

.pill, .pill-demo {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.75rem;
  color: var(--muted);
}
.pill-demo { border-color: var(--pill-demo-border); color: var(--accent); }
html[data-theme="light"] .pill-demo {
  color: #5a7a18;
  background: #f4f8e0;
}

.led {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dim);
  margin-right: 6px;
  vertical-align: middle;
  box-shadow: none;
}
.led-ok { background: var(--ok); box-shadow: 0 0 8px var(--ok-glow); }
.led-warn { background: var(--warn); box-shadow: 0 0 8px var(--warn-glow); }
.led-off { background: var(--led-off); }

.banner {
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
}
.banner-ok { background: var(--banner-ok-bg); border-color: var(--banner-ok-line); }
.banner-bad { background: var(--banner-bad-bg); border-color: var(--banner-bad-line); }

.stack { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-size: 0.92rem; color: var(--muted); }
label.check { display: flex; align-items: center; gap: 8px; }
input[type="text"], input[type="password"], input[type="number"], input[type="search"], textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}
textarea {
  min-height: 4.5rem;
  resize: vertical;
  line-height: 1.4;
}
textarea.mono { font-size: 0.85rem; }
input:focus { outline: 2px solid var(--focus-ring); border-color: var(--focus-border); }

.btn, .btn-small {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 12px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn-small { padding: 4px 8px; font-size: 0.85rem; border-radius: 8px; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--primary-border); }
.btn:hover { filter: brightness(1.06); }
html[data-theme="light"] .btn:hover { filter: brightness(0.97); }
html[data-theme="light"] .btn-primary:hover { filter: brightness(1.04); }
.linkish {
  background: none;
  border: 0;
  color: var(--muted);
  padding: 0;
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.linkish.danger { color: var(--bad); }
a.linkish { display: inline; }

.table-wrap { overflow-x: auto; }
table.peers { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
table.peers th {
  text-align: left;
  color: var(--dim);
  font-weight: 550;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 8px 10px 0;
}
table.peers td { padding: 12px 10px 12px 0; border-top: 1px solid var(--line); vertical-align: top; }
.th-sort {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}
.th-sort[aria-sort="ascending"]::after { content: " ↑"; color: var(--accent); }
.th-sort[aria-sort="descending"]::after { content: " ↓"; color: var(--accent); }
.peer-name { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
tr.is-disabled td { opacity: 0.62; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: flex-end; }
.backup-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.backup-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.overrides {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  background: var(--bg);
}
.overrides summary { cursor: pointer; color: var(--muted); }
.overrides .stack, .overrides label { margin-top: 10px; }
.overrides p { margin: 8px 0 0; }
.qr-actions { justify-content: center; }
.bounce-form { margin-top: 2px; }

.auth { min-height: 60vh; display: grid; place-items: center; }
.auth-card { width: min(460px, 100%); box-shadow: var(--shadow); }
.found { padding-left: 18px; color: var(--muted); }
.empty { text-align: left; }
.raw { margin-top: 14px; }
.raw pre {
  overflow: auto;
  background: var(--bg);
  border-radius: 10px;
  padding: 12px;
  color: var(--code);
  font-size: 0.82rem;
}

.modal {
  position: fixed;
  inset: 0;
  background: var(--modal-scrim);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 10;
}
.modal[hidden] { display: none; }
.modal-card { width: min(520px, 100%); max-height: 90vh; overflow: auto; }
.qr-card { text-align: center; }
.qr-card img {
  background: #fff;
  padding: 10px;
  border-radius: 12px;
  margin: 12px 0;
}

@media (max-width: 800px) {
  .grid-2, .facts { grid-template-columns: 1fr; }
  .page-head { flex-direction: column; align-items: flex-start; }
}