/* The title bar: one row, fixed height, every slot a fixed or shared track so nothing in it
   moves when the host name or the agent's state changes length. */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: var(--titlebar-h);
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  user-select: none;
  -webkit-user-select: none;
  cursor: default;
}

.bar {
  display: grid;
  /* leaf · name · host (takes the rest, and is the drag area) · agent · menu · sep · 3 controls */
  grid-template-columns: var(--titlebar-h) auto minmax(0, 1fr) auto var(--titlebar-h) 1px repeat(3, 2.875rem);
  align-items: center;
  height: var(--titlebar-h);
  border-bottom: 1px solid var(--border);
  font: 600 var(--text-sm) / 1 var(--font-ui);
}

.bar__leaf { justify-self: center; width: 18px; height: 18px; image-rendering: pixelated; }
.bar__name b { color: var(--leaf); font-weight: 700; }
.bar__host {
  padding: 0 var(--sp-3);
  color: var(--ink-muted);
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  align-self: stretch;
  display: flex;
  align-items: center;
}

button {
  height: var(--titlebar-h);
  margin: 0;
  padding: 0;
  font: inherit;
  color: var(--ink-muted);
  background: transparent;
  border: 0;
  border-radius: 0;
  cursor: pointer;
}
button:hover { color: var(--ink); background: var(--surface-hover); }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.bar__agent {
  display: grid;
  grid-template-columns: 0.5rem auto;
  gap: var(--sp-2);
  align-items: center;
  padding: 0 var(--sp-3);
  font-weight: 400;
}
.dot { width: 0.5rem; height: 0.5rem; background: var(--ink-muted); }
.bar__agent[data-state="running"] .dot,
.bar__agent[data-state="elsewhere"] .dot { background: var(--leaf); }
.bar__agent[data-state="starting"] .dot { background: var(--accent); }
.bar__agent[data-state="failed"] .dot,
.bar__agent[data-state="not_linked"] .dot { background: var(--warning); }

.bar__sep { width: 1px; height: 1.25rem; background: var(--border); }

.bar__btn { display: grid; place-items: center; }
.bar__btn svg { width: 16px; height: 16px; }
.bar__btn--close:hover { color: #fff; background: var(--danger); }

#maximize .i-restore { display: none; }
#maximize[data-maximized] .i-max { display: none; }
#maximize[data-maximized] .i-restore { display: block; }

/* Narrow windows: the host goes first, then the agent's words (its dot stays). */
@media (max-width: 34rem) {
  .bar__host { visibility: hidden; }
  #agent-text { display: none; }
}