:root {
  color-scheme: dark;
  --bg: #111413;
  --panel: #171b1a;
  --panel-2: #202625;
  --ink: #eef4ef;
  --muted: #9fb0a9;
  --accent: #e6b450;
  --ok: #61d394;
  --warn: #e6b450;
  --bad: #ff6b6b;
  --app-height: 100vh;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app-shell {
  display: grid;
  grid-template-rows: 44px minmax(0, 1fr);
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  height: var(--app-height);
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(230, 180, 80, 0.08), transparent 30%),
    var(--bg);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(17, 20, 19, 0.92);
}

.brand,
.status {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.brand {
  gap: 9px;
  letter-spacing: 0;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent);
  border-radius: 2px;
  box-shadow: inset 0 0 0 2px rgba(17, 20, 19, 0.9);
}

.status {
  gap: 8px;
  color: var(--muted);
  font-weight: 600;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--warn);
  box-shadow: 0 0 0 3px rgba(230, 180, 80, 0.16);
}

.status-dot.is-connected {
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(97, 211, 148, 0.16);
}

.status-dot.is-closed,
.status-dot.is-error {
  background: var(--bad);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.16);
}

.terminal-stage {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 0;
  padding: 16px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    var(--panel);
  background-size: 18px 18px;
}

#terminal {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #000;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.35);
}

.xterm {
  padding: 8px;
}

.xterm,
.xterm-screen,
.xterm-viewport,
.xterm-helper-textarea {
  letter-spacing: 0;
}

.xterm .xterm-viewport {
  background-color: #000;
}

@media (max-width: 680px) {
  .topbar {
    padding: 0 12px;
  }

  .terminal-stage {
    justify-content: start;
    padding: 10px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }
}