:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  background: #090c10;
  color: #eef2f6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, #183044 0, transparent 36rem),
    #090c10;
}

main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 80px;
}

.login-shell {
  width: min(620px, calc(100% - 32px));
}

header,
.badges,
.controls,
.buttons,
.dialog-buttons {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 6vw, 4.5rem);
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.eyebrow,
.metric span,
label {
  color: #91a0ad;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.badge {
  padding: 8px 12px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.online {
  color: #50e3a4;
}

.offline {
  color: #ff7a89;
}

.readonly {
  color: #75bfff;
}

.enabled {
  color: #ffc75f;
}

.card,
.metric {
  border: 1px solid #26313b;
  border-radius: 18px;
  background: rgb(17 23 29 / 86%);
  box-shadow: 0 20px 80px rgb(0 0 0 / 18%);
}

.card {
  margin-top: 20px;
  padding: 22px;
}

.credentials {
  display: grid;
  grid-template-columns: 1fr 1.5fr auto;
  gap: 14px;
  align-items: end;
}

.login-card {
  display: grid;
  gap: 18px;
}

.error {
  min-height: 1.2em;
  margin: 0;
  color: #ff7a89;
}

label {
  display: grid;
  gap: 8px;
}

input {
  width: 100%;
  border: 1px solid #35424e;
  border-radius: 10px;
  padding: 12px;
  background: #0c1116;
  color: inherit;
}

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.metric {
  padding: 18px;
}

.metric strong {
  display: block;
  margin-top: 10px;
  font-size: 1.45rem;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 13px 18px;
  color: #071016;
  font-weight: 850;
  letter-spacing: 0.04em;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  filter: saturate(0);
  opacity: 0.35;
}

.start {
  background: #55e6a8;
}

.stop {
  background: #ff6677;
}

.secondary {
  background: #b8c5cf;
}

.link-button {
  border: 1px solid #35424e;
  padding: 8px 12px;
  background: transparent;
  color: #b8c5cf;
}

pre {
  min-height: 80px;
  overflow: auto;
  white-space: pre-wrap;
  color: #b9c7d2;
}

#events {
  margin: 0;
  padding-left: 22px;
  color: #aebbc5;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}

#events li {
  margin: 8px 0;
}

dialog {
  width: min(480px, calc(100% - 32px));
  border: 1px solid #35424e;
  border-radius: 18px;
  padding: 24px;
  background: #11171d;
  color: #eef2f6;
}

dialog::backdrop {
  background: rgb(0 0 0 / 70%);
}

@media (max-width: 720px) {
  .credentials,
  .telemetry-grid {
    grid-template-columns: 1fr;
  }

  .controls {
    align-items: stretch;
    flex-direction: column;
  }

  .buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}