:root {
  --navy: #1f3a4d;
  --teal: #2f6f73;
  --green: #5fae7a;
  --blue: #3f7fa6;
  --amber: #ebaa38;
  --red: #c4513f;
  --bg: #f4f6f7;
  --card: #fff;
  --text: #1c2830;
  --muted: #61717c;
  --line: #dde3e7;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --navy: #8fb6cf;
    --bg: #11181d;
    --card: #1a242b;
    --text: #e3eaee;
    --muted: #93a3ad;
    --line: #2b3841;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.top {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 2;
}

.logo { width: 30px; height: 30px; }

nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }

nav button { background: none; color: var(--text); border: none; padding: 7px 11px; border-radius: 8px; }
nav button.on { background: var(--teal); color: #fff; }

main { max-width: 1100px; margin: 0 auto; padding: 18px 16px 60px; }

h1 { font-size: 22px; margin: 4px 0 14px; }
h2 { font-size: 17px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 14px 0 6px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}

.narrow { max-width: 440px; margin: 40px auto; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.spacer { flex: 1; }

label { display: block; font-weight: 600; margin: 10px 0 4px; }
label.inline { display: inline-flex; gap: 6px; align-items: center; font-weight: 400; margin: 0; }

input, select, textarea {
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  width: 100%;
}

input[type="checkbox"], input[type="radio"] { width: auto; }
textarea { min-height: 170px; resize: vertical; }
input:disabled, select:disabled, textarea:disabled { opacity: .55; }

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  background: var(--teal);
  color: #fff;
}

button.quiet { background: transparent; color: var(--teal); border: 1px solid var(--line); }
button.danger { background: var(--red); }
button:disabled { opacity: .5; cursor: default; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.scroll { overflow-x: auto; }

.bar { height: 8px; border-radius: 4px; background: var(--line); overflow: hidden; min-width: 80px; }
.bar > span { display: block; height: 100%; background: var(--green); }
.bar.warn > span { background: var(--amber); }
.bar.over > span { background: var(--red); }

.pill { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; background: var(--line); }
.pill.ok { background: var(--green); color: #fff; }
.pill.off { background: var(--red); color: #fff; }
.pill.wait { background: var(--amber); color: #1c2830; }

.override { border-left: 3px solid var(--line); padding-left: 10px; margin: 8px 0; }
.override.own { border-color: var(--amber); }

.voices { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 6px; max-height: 340px; overflow: auto; padding: 4px; }
.voice { border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; }

.qr { display: block; width: 200px; height: 200px; margin: 10px auto; background: #fff; padding: 6px; border-radius: 8px; }
.secret { font-family: ui-monospace, monospace; word-break: break-all; }
pre.secret { white-space: pre-wrap; background: var(--bg); padding: 10px 12px; border-radius: 8px; }

#toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  opacity: 0;
  transition: opacity .2s;
  pointer-events: none;
  max-width: calc(100% - 32px);
}

#toast.show { opacity: 1; }
#toast.bad { background: var(--red); }

@media (max-width: 640px) {
  nav { margin-left: 0; width: 100%; }
  th, td { padding: 6px 3px; }
}