:root {
  color-scheme: light dark;
  --ink: #1b1f24;
  --muted: #6b7280;
  --line: #d9dee5;
  --accent: #1f4e8c;
  --bg: #f7f8fa;
  --card: #ffffff;
  --ok: #17803d;
  --bad: #b42318;
  --navy: #16263F;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6e8eb;
    --muted: #9aa3ad;
    --line: #2c333c;
    --accent: #8db4ea;
    --bg: #0f1216;
    --card: #171b21;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
main { max-width: 960px; margin: 0 auto; padding: 32px 20px 64px; }
header { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
h1 { font-size: 22px; margin: 0; letter-spacing: 0.01em; }
.tag { color: var(--muted); font-size: 13px; }
nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 12px 0 0;
  font-size: 13px;
}
nav a { color: var(--accent); text-decoration: none; }
nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  margin-top: 18px;
}
h2 {
  font-size: 15px;
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
code, pre { font: 13px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
pre { margin: 0; white-space: pre-wrap; word-break: break-word; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
input[type="password"], input[type="tel"], input[type="search"], select {
  flex: 1 1 220px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
}
button, .btn {
  padding: 8px 14px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}
button.quiet, .btn.quiet { background: transparent; color: var(--accent); }
button:disabled { opacity: 0.55; cursor: default; }
label.choice { display: flex; gap: 6px; align-items: center; font-size: 14px; }
.ok, .good { color: var(--ok); }
.bad { color: var(--bad); }
.warn { color: #9a6700; }
.muted { color: var(--muted); }
.hold {
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  color: var(--muted);
  font-size: 13px;
}
.pills { display: flex; gap: 8px; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; }
.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
}
.cards { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.card {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.card strong { display: block; font-size: 15px; }
.card .meta { color: var(--muted); font-size: 13px; margin-top: 4px; }
.detail { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; }
audio { width: 100%; margin-top: 8px; }
.lock {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
}
@media (max-width: 480px) {
  main { padding: 20px 14px 48px; }
  button, .btn { min-height: 44px; }
}

.phone { max-width: 420px; }
.pad-card { text-align: center; }
.readout {
  width: 100%;
  margin: 12px 0;
  font-size: 28px;
  text-align: center;
  letter-spacing: 0.04em;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
}
.pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0; }
.pad button {
  min-height: 64px;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  font-size: 22px;
}
.pad small { display: block; font-size: 10px; letter-spacing: 0.12em; color: var(--muted); }
.call-row { display: flex; gap: 10px; justify-content: center; align-items: center; }
button.call { min-width: 140px; min-height: 48px; border-radius: 999px; background: var(--ok); border-color: var(--ok); font-size: 18px; }