:root {
  --bg: #050805;
  --panel: #091009;
  --panel-2: #0d160d;
  --line: #244824;
  --text: #d6ffd6;
  --muted: #76a776;
  --green: #76ff76;
  --amber: #ffcf66;
  --cyan: #63f4ff;
  --danger: #ff7a7a;
  font-family: "SFMono-Regular", "Cascadia Mono", "IBM Plex Mono", Menlo, Consolas, monospace;
  background: var(--bg);
  color: var(--text);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background:
    linear-gradient(rgba(118,255,118,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(118,255,118,.02) 1px, transparent 1px),
    radial-gradient(circle at 50% -20%, #173017 0, var(--bg) 45%);
  background-size: 24px 24px, 24px 24px, auto;
  padding: max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
}

button, input { font: inherit; }
button { cursor: pointer; }

.shell {
  width: min(1180px, 100%);
  min-height: calc(100dvh - 28px);
  margin: 0 auto;
  border: 1px solid var(--line);
  background: rgba(5,8,5,.92);
  box-shadow: 0 0 0 1px #020402, 0 24px 90px rgba(0,0,0,.55);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.masthead {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(118,255,118,.06), transparent);
}

.eyebrow, footer, .label {
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  font-size: 11px;
}

.eyebrow { margin: 0 0 4px; }
h1 { margin: 0; font-size: clamp(24px, 5vw, 44px); letter-spacing: .08em; color: var(--green); }
.status { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 12px; align-items: center; font-size: 12px; }
.lamp { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.lamp[data-state="checking"] { background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.lamp[data-state="degraded"] { background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.lamp[data-state="offline"] { background: var(--danger); box-shadow: 0 0 12px var(--danger); }
.muted { color: var(--muted); }

.spaces {
  grid-column: 1 / -1;
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.space-tab {
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  padding: 11px 16px;
  color: var(--muted);
  background: transparent;
  white-space: nowrap;
}
.space-tab:hover, .space-tab:focus-visible { color: var(--text); background: rgba(118,255,118,.06); }
.space-tab[aria-current="page"] { color: #031003; background: var(--green); }

.terminal {
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  border-right: 1px solid var(--line);
}

.transcript {
  min-height: 330px;
  overflow: auto;
  padding: 18px 20px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.line { margin: 0 0 5px; }
.line.system { color: var(--cyan); }
.line.command { color: var(--green); }
.line.warn { color: var(--amber); }
.line.error { color: var(--danger); }
.line.muted { color: var(--muted); }

.command-line {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border-top: 1px solid var(--line);
  background: var(--panel-2);
}
.prompt { color: var(--green); font-weight: 700; }
.command-line input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--text);
  caret-color: var(--green);
  background: transparent;
}
.command-line button {
  border: 1px solid var(--green);
  color: var(--green);
  background: transparent;
  padding: 7px 10px;
}
.command-line button:hover, .command-line button:focus-visible { background: var(--green); color: #031003; }

.rail { padding: 18px; display: grid; align-content: start; gap: 18px; background: var(--panel); }
.rail div { border-bottom: 1px dotted var(--line); padding-bottom: 14px; }
.rail strong { display: block; margin-top: 5px; font-size: 13px; color: var(--green); overflow-wrap: anywhere; }

footer {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

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

@media (max-width: 760px) {
  body { padding: 0; }
  .shell { min-height: 100dvh; border-left: 0; border-right: 0; grid-template-columns: 1fr; }
  .masthead { align-items: flex-start; flex-direction: column; }
  .status { justify-content: flex-start; }
  .terminal { border-right: 0; }
  .rail { grid-row: auto; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
  .command-line { grid-template-columns: auto minmax(0, 1fr); }
  .command-line button { grid-column: 1 / -1; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: no-preference) {
  .lamp { animation: pulse 2.2s ease-in-out infinite; }
  @keyframes pulse { 50% { opacity: .45; } }
}