/* DCV Workstation Portal
   Dark-room friendly. Machine-plate tiles with a tally light.
   No external fonts or CDNs: system stacks only. */

:root {
  --bg: #101317;
  --panel: #181d23;
  --panel-edge: #232a33;
  --ink: #e6e9ec;
  --ink-dim: #9aa4ae;
  --tally: #ffb454;          /* on-air amber */
  --tally-glow: rgba(255, 180, 84, 0.35);
  --ok: #6fcf8f;
  --err: #e06c6c;
  --mono: "IBM Plex Mono", "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
  min-height: 100vh;
}

.mono { font-family: var(--mono); letter-spacing: 0.02em; }

/* ---- top bar ---- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--panel-edge);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--tally);
  box-shadow: 0 0 10px 2px var(--tally-glow);
}
.brand-name {
  font-family: var(--mono);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
}
.whoami { display: flex; align-items: center; gap: 12px; margin: 0; }
.whoami .mono { color: var(--ink-dim); font-size: 13px; }

/* ---- layout ---- */
main { padding: 0 24px 64px; }
.page { max-width: 960px; margin: 0 auto; }
h1 { font-size: 22px; font-weight: 600; margin: 36px 0 20px; }
.sub { color: var(--ink-dim); font-size: 14px; }
a { color: var(--tally); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

/* ---- buttons ---- */
.btn {
  appearance: none;
  border: 1px solid var(--panel-edge);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 6px;
  cursor: pointer;
}
.btn:hover { border-color: var(--ink-dim); }
.btn:focus-visible { outline: 2px solid var(--tally); outline-offset: 2px; }
.btn-primary {
  background: var(--tally);
  border-color: var(--tally);
  color: #1a1206;
  font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-quiet { border: none; color: var(--ink-dim); padding: 6px 8px; }
.btn-quiet:hover { color: var(--ink); }

/* ---- login ---- */
.login-wrap {
  display: flex;
  justify-content: center;
  padding-top: 10vh;
}
.login-card {
  width: 340px;
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 28px;
}
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-card .sub { margin-top: 0; }
.login-card label {
  display: block;
  margin: 16px 0 6px;
  font-size: 13px;
  color: var(--ink-dim);
}
.login-card input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--panel-edge);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}
.login-card input:focus-visible { outline: 2px solid var(--tally); outline-offset: 1px; }
.login-card .btn-primary { width: 100%; margin-top: 22px; }
.error {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid rgba(224, 108, 108, 0.5);
  color: var(--err);
  font-size: 14px;
}

/* ---- workstation plates ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.plate {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 18px;
}
.plate-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--panel-edge);
}
.led {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--tally);
  box-shadow: 0 0 8px 2px var(--tally-glow);
  flex: none;
}
.host { font-size: 16px; }
.plate-label { margin-top: 10px; font-size: 15px; }
.plate-notes { margin-top: 4px; font-size: 13px; color: var(--ink-dim); }
.plate-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.plate-actions form { margin: 0; }

.empty {
  border: 1px dashed var(--panel-edge);
  border-radius: 10px;
  padding: 40px 24px;
  text-align: center;
}

/* ---- connecting ---- */
.connect-page h1 { margin-bottom: 16px; }
.progress-card {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 32px;
  max-width: 440px;
}
.spinner {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 3px solid var(--panel-edge);
  border-top-color: var(--tally);
  animation: spin 0.9s linear infinite;
  margin-bottom: 16px;
}
.spinner.ok { animation: none; border-color: var(--ok); }
.spinner.err { animation: none; border-color: var(--err); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
}