:root {
  color-scheme: dark;
  --bg: #14160f;
  --ink: #e7e1d2;
  --dim: #8d887c;
  --tape: #0c0d09;
  --line: #2a2c22;
  --worn: #d5dec4;
  --challenge: #e6c15a;
  --alarm: #ff7a18;
  --alarm-bg: #1c120b;
  --offline: #c8c2b4;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

body.alarm { background: var(--alarm-bg); }
body.disarmed { background: #171713; }

.hidden { display: none !important; }

.brand {
  margin: 0;
  font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.brand span { color: var(--dim); letter-spacing: 0.14em; }

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login form {
  width: min(22rem, calc(100% - 2rem));
  display: grid;
  gap: 0.75rem;
}

.login h1 {
  margin: 0;
  font-weight: 500;
  font-size: 3rem;
}

label { display: grid; gap: 0.3rem; color: var(--dim); font-size: 0.95rem; }

input {
  background: transparent;
  color: var(--ink);
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0;
  font: inherit;
  font-size: 1.2rem;
}

button {
  background: transparent;
  color: var(--ink);
  border: 0;
  border-bottom: 1px solid var(--ink);
  font: inherit;
  font-size: 1.15rem;
  padding: 0.4rem 0;
  text-align: left;
  cursor: pointer;
}

button.active { color: var(--alarm); border-color: var(--alarm); }
button:disabled { color: var(--dim); cursor: default; }

.error { min-height: 1.2rem; color: var(--alarm); font-family: ui-monospace, monospace; font-size: 0.85rem; }

main {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.8fr);
}

header, .stage, aside { padding: 1.25rem 1.5rem; }

header {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
}

.proof { margin: 0; color: var(--dim); font-family: ui-monospace, monospace; font-size: 0.85rem; }

.devices { grid-column: 1 / -1; padding: 1.25rem 1.5rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; border-bottom: 1px solid var(--line); }
.device { padding: 1rem; border: 1px solid var(--line); border-radius: 0.4rem; }
.device h2 { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: baseline; margin: 0 0 0.8rem; font-size: 1.4rem; font-weight: 500; }
.connection { color: var(--dim); font: 0.9rem ui-monospace, monospace; }
.connection.online { color: var(--worn); }
.connection.offline { color: var(--alarm); }
.device dl { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 0.5rem; margin: 0; font-size: 0.95rem; }
.device dt { color: var(--dim); }
.device dd { margin: 0; overflow-wrap: anywhere; }
.devices > p { grid-column: 1 / -1; margin: 0; font-size: 0.85rem; color: var(--dim); }
@media (max-width: 600px) { .devices { grid-template-columns: 1fr; padding: 1rem; } }

.stage { align-self: end; padding-bottom: 3rem; }

.state {
  margin: 0;
  font-weight: 500;
  font-size: clamp(4.5rem, 13vw, 9rem);
  line-height: 0.85;
  letter-spacing: -0.045em;
}

.state.worn { color: var(--worn); }
.state.monitoring { color: var(--worn); font-size: clamp(2.5rem, 7vw, 5.5rem); }
.state.unverified, .state.suspect { color: var(--challenge); font-size: clamp(2.5rem, 7vw, 5.5rem); }
.state.challenge { color: var(--challenge); }
.state.alarm { color: var(--alarm); }
.state.disarmed { color: var(--dim); }
.state.offline {
  color: transparent;
  -webkit-text-stroke: 2px var(--offline);
}

.sub { margin: 1rem 0 0; font-size: 1.35rem; }

.facts {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.35rem 1rem;
  margin: 1.5rem 0 0;
  font-family: ui-monospace, monospace;
  font-size: 0.92rem;
}

.facts dt { color: var(--dim); }
.facts dd { margin: 0; }

aside {
  background: var(--tape);
  border-left: 1px solid var(--line);
  display: grid;
  align-content: start;
  gap: 1.25rem;
}

.switch { display: flex; gap: 1.5rem; }

.alarms { display: grid; gap: 0.6rem; }

.alarm-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 0.45rem;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
}

.tape {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 40vh;
  overflow: auto;
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  line-height: 1.45;
}

.tape li { color: var(--dim); }
.tape time { color: var(--ink); margin-right: 0.6rem; }

details summary { cursor: pointer; margin-bottom: 0.6rem; }

pre {
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 0.72rem;
  color: var(--dim);
}

#policy { display: grid; gap: 0.55rem; }

@media (max-width: 800px) {
  main { grid-template-columns: 1fr; }
  aside { border-left: 0; border-top: 1px solid var(--line); }
  .state { font-size: clamp(3.4rem, 22vw, 6rem); }
}