:root { --bg: #ffffff; --fg: #1b1f24; --muted: #5d6670; --card: #f4f6f8; --line: #d8dee4; --accent: #0b6bcb; --ok: #1a7f37; --warn: #9a6700; --bad: #cf222e; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --fg: #e6edf3; --muted: #9aa5b1; --card: #171b21; --line: #2d333b; --accent: #4c9eff; --ok: #3fb950; --warn: #d29922; --bad: #f85149; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
.topbar { position: sticky; top: 0; z-index: 2; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--bg); }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
main { padding: 16px; max-width: 1200px; margin: 0 auto; }
.loading { padding: 16px; color: var(--muted); }
#blazor-error-ui { display: none; position: fixed; bottom: 0; left: 0; right: 0; padding: 12px 16px; background: var(--bad); color: #fff; }
#blazor-error-ui .reload { color: #fff; }

h1 { font-size: 1.4rem; margin: 0 0 12px; }
h2 { font-size: 1.1rem; margin: 0; overflow-wrap: anywhere; }
.muted, .empty { color: var(--muted); }
button { font: inherit; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--fg); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.link { background: none; border: none; color: var(--accent); padding: 8px 4px; }
button:disabled { opacity: .45; cursor: not-allowed; }
input, textarea { font: inherit; width: 100%; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
label { display: block; margin: 12px 0 4px; }
.error { color: var(--bad); }
.notice { display: flex; gap: 12px; align-items: center; justify-content: space-between; padding: 10px 12px; margin-bottom: 12px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); }

.machines { display: grid; gap: 16px; }
.machine-card { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--card); min-width: 0; }
.machine-card header { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.machine-card footer { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; margin-top: 10px; }
.badge { font-size: .85rem; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--line); }
.badge-online { color: var(--ok); border-color: var(--ok); }
.badge-vscodeclosed, .badge-notsupported { color: var(--warn); border-color: var(--warn); }
.badge-pcoffline, .badge-removed { color: var(--bad); border-color: var(--bad); }
.sessions { list-style: none; margin: 0; padding: 0; }
.session { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; padding: 8px 6px; border-top: 1px solid var(--line); color: var(--fg); text-decoration: none; min-width: 0; }
.session .title { overflow-wrap: anywhere; }
.session .when { grid-column: 1; font-size: .8rem; color: var(--muted); }
.session[aria-disabled="true"] { opacity: .5; }
a.session:hover { background: var(--bg); }
.chip { grid-row: 1; grid-column: 2; font-size: .75rem; padding: 1px 8px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); }
.chip-running { color: var(--accent); border-color: var(--accent); }
.chip-waiting { color: var(--warn); border-color: var(--warn); }
.chip-error { color: var(--bad); border-color: var(--bad); }
@media (min-width: 900px) { .machines { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); } }

.split { display: block; }
.side { display: none; }
@media (min-width: 900px) {
  .split { display: grid; grid-template-columns: minmax(300px, 380px) 1fr; gap: 16px; align-items: start; }
  .side { display: block; position: sticky; top: 60px; max-height: calc(100vh - 76px); overflow: auto; }
  .side .machines { grid-template-columns: 1fr; }
  .back { display: none; }
}
.session-pane { display: flex; flex-direction: column; min-width: 0; height: calc(100vh - 76px); }
.session-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.session-head h1 { margin: 0; flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; }
.chat { flex: 1 1 auto; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; padding: 8px 2px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.msg { max-width: min(46rem, 92%); padding: 8px 12px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); }
.msg .text { white-space: pre-wrap; overflow-wrap: anywhere; }
.msg-user { align-self: flex-end; background: var(--accent); border-color: var(--accent); color: #fff; }
.msg-assistant, .msg-tool { align-self: flex-start; }
.msg-tool { font-size: .85rem; color: var(--muted); }
.typing { color: var(--muted); }
.load-older, .beginning { align-self: center; }
.composer { padding-top: 8px; }
.composer .actions, .dialog .actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.info { color: var(--ok); }
.dialog { margin-top: 16px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }