:root {
  --bg: #0d1117; --fg: #c9d1d9; --dim: #8b949e; --accent: #2dba9e;
  --panel: #161b22; --border: #30363d; --err: #f85149;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
}
#app { display: flex; flex-direction: column; height: 100vh; }

#banner {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--panel);
}
#banner .logo { color: var(--accent); margin: 0; font-size: 10px; line-height: 1; }
.banner-text { display: flex; flex-direction: column; }
.banner-text strong { color: var(--accent); }
.banner-text .version { color: var(--dim); font-weight: normal; }
.banner-text span { color: var(--dim); font-size: 12px; }
.banner-text a { color: var(--accent); }
#banner button { margin-left: auto; }

#settings {
  display: flex; flex-direction: column; gap: 8px;
  padding: 16px; border-bottom: 1px solid var(--border); background: var(--panel);
}
#settings.hidden { display: none; }
#settings h2 { margin: 0 0 4px; font-size: 14px; }
#settings label { display: flex; flex-direction: column; gap: 4px; color: var(--dim); }
#settings input {
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 4px; padding: 6px; font: inherit;
}
.warn { color: var(--err); font-size: 12px; margin: 4px 0; }

#scrollback { flex: 1; overflow-y: auto; padding: 16px; }
.turn { margin-bottom: 14px; white-space: pre-wrap; word-break: break-word; }
.turn.user { color: var(--accent); }
.turn.assistant { color: var(--fg); }
.turn.error { color: var(--err); }
.turn .label { color: var(--dim); user-select: none; }

.tool {
  border: 1px solid var(--border); border-radius: 4px;
  margin: 6px 0; padding: 6px 8px; background: var(--panel);
}
.tool summary { cursor: pointer; color: var(--accent); }
.tool pre { margin: 6px 0 0; white-space: pre-wrap; color: var(--dim); }

.confirm { border: 1px solid var(--err); border-radius: 4px; padding: 8px; margin: 6px 0; }
.confirm button { margin-right: 8px; }

footer { border-top: 1px solid var(--border); background: var(--panel); padding: 8px 16px; }
.status { display: flex; gap: 12px; align-items: center; color: var(--dim);
  font-size: 12px; margin-bottom: 6px; }
#input-form { display: flex; gap: 8px; }
#input {
  flex: 1; background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 4px; padding: 8px; font: inherit;
}
button {
  background: var(--accent); color: #04231d; border: 0;
  border-radius: 4px; padding: 6px 12px; font: inherit; cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: default; }