:root {
  --bg: #070708;
  --elevated: #0d0e11;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f4f4f2;
  --muted: #9a9b98;
  --accent: #c8b48a;
  --steel: #8ea4b8;
  --ready: #7dcea0;
  --underway: #8ea4b8;
  --degraded: #e0b35a;
  --offline: #d36b6b;
  --ui: "Instrument Sans", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #f4f4f2;
  --elevated: #ebebe6;
  --line: rgba(22, 22, 20, 0.12);
  --text: #161614;
  --muted: #5c5d5a;
  --accent: #8a7348;
  --steel: #4a6274;
  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  html:not([data-theme="dark"]) {
    --bg: #f4f4f2;
    --elevated: #ebebe6;
    --line: rgba(22, 22, 20, 0.12);
    --text: #161614;
    --muted: #5c5d5a;
    --accent: #8a7348;
    --steel: #4a6274;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--ui);
}

body {
  display: grid;
  grid-template-rows: auto 56px 1fr 56px;
  min-height: 100dvh;
}

a { color: var(--accent); text-decoration: none; }

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

.demo-banner {
  background: #3a1818;
  color: #f0d4d4;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  text-align: center;
}

.demo-banner a { color: #f4e1c4; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--elevated);
}

.lockup {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text);
}

.lockup .brand-logo {
  height: 22px;
  width: auto;
}

.lockup .brand-logo-light {
  display: none;
}

html[data-theme="light"] .lockup .brand-logo-dark {
  display: none;
}

html[data-theme="light"] .lockup .brand-logo-light {
  display: block;
}

html[data-theme="dark"] .lockup .brand-logo-light {
  display: none;
}

html[data-theme="dark"] .lockup .brand-logo-dark {
  display: block;
}

@media (prefers-color-scheme: light) {
  html:not([data-theme="dark"]) .lockup .brand-logo-dark {
    display: none;
  }

  html:not([data-theme="dark"]) .lockup .brand-logo-light {
    display: block;
  }
}

.lockup span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.theme-toggle {
  background: none;
  border: 0;
  padding: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--text);
}

.top-meta {
  display: flex;
  gap: 1.25rem;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.classif { color: var(--degraded); }

.exit {
  font-size: 13px;
  color: var(--muted);
}

.shell {
  display: grid;
  grid-template-columns: 280px 1fr 340px;
  min-height: 0;
}

.rail, .drawer {
  border-right: 1px solid var(--line);
  padding: 1rem;
  overflow: auto;
  background: var(--bg);
}

.drawer {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.rail-kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.rail h1 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 1rem;
}

.assets {
  list-style: none;
  margin: 0;
  padding: 0;
}

.assets li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.assets li.is-selected .name { color: var(--accent); }

.name { font-size: 13px; }
.cls { font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: 0.08em; }

.status {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status.ready { color: var(--ready); }
.status.underway { color: var(--underway); }
.status.degraded { color: var(--degraded); }
.status.offline { color: var(--offline); }

.palette {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.palette button {
  background: var(--elevated);
  border: 0;
  color: var(--muted);
  padding: 0.7rem 0.4rem;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.palette button.is-on {
  color: var(--bg);
  background: var(--accent);
}

.hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 0.85rem;
}

.stage {
  position: relative;
  min-height: 0;
  background: #08090c;
}

.stage svg {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.stage-label {
  position: absolute;
  left: 1rem;
  bottom: 0.75rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #9a9b98;
}

.marker {
  cursor: pointer;
}

.transcript {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--muted);
}

.transcript li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}

.transcript strong {
  color: var(--text);
  font-weight: 400;
}

.empty { color: var(--muted); font-size: 14px; }

.inspector-block h2 {
  font-family: var(--display, var(--ui));
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 0 0.35rem;
}

.inspector-block dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1rem;
  margin: 1rem 0 0;
}

.inspector-block dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.inspector-block dd { margin: 0.15rem 0 0; font-size: 13px; }

.command {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  height: 56px;
  padding: 0 1rem;
  border-top: 1px solid var(--line);
  background: var(--elevated);
}

.command label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.command input {
  background: transparent;
  border: 0;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  height: 40px;
}

.btn-command {
  height: 36px;
  padding: 0 0.9rem;
  background: var(--accent);
  color: #16140f;
  border: 0;
  cursor: pointer;
  font-size: 13px;
}

@media (max-width: 960px) {
  body {
    grid-template-rows: auto auto auto 1fr auto;
  }

  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: 220px 50dvh auto;
  }

  .rail, .drawer { border: 0; border-bottom: 1px solid var(--line); }

  .command {
    grid-template-columns: 1fr auto;
  }

  .command label { display: none; }

  .lockup .brand-logo {
    height: 18px;
  }

  .top-meta {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
}