:root {
  --bg: #f4f1ea;
  --panel: #ffffff;
  --ink: #2b2d42;
  --muted: #6b6f80;
  --line: #ddd8cc;
  --accent: #e07a5f;
  --accent-ink: #ffffff;
  --danger: #c0392b;
  --card: #faf8f3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1f27;
    --panel: #262935;
    --ink: #eceef4;
    --muted: #a3a8b8;
    --line: #3a3e4d;
    --card: #2e3240;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--ink); }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 2; }
h1 { font-size: 18px; margin: 0; letter-spacing: .2px; }
h2 { font-size: 14px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }
.actions { display: flex; gap: 8px; }
button { font: inherit; border: 0; border-radius: 8px; padding: 8px 14px; background: var(--accent); color: var(--accent-ink); cursor: pointer; }
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.danger { color: var(--danger); border-color: var(--danger); }
button:disabled { opacity: .5; cursor: default; }
main { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 16px; padding: 16px; max-width: 1400px; margin: 0 auto; }
@media (max-width: 900px) { main { grid-template-columns: 1fr; } }
.office-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
canvas { width: 100%; height: auto; image-rendering: pixelated; border-radius: 8px; display: block; background: #c9b79c; cursor: pointer; }
.roster { list-style: none; padding: 0; margin: 12px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; }
.roster li { display: flex; gap: 8px; align-items: center; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); cursor: pointer; }
.roster .dot { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.roster .who { min-width: 0; }
.roster .who b { display: block; }
.roster .who small { color: var(--muted); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.board { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-content: start; }
@media (max-width: 520px) { .board { grid-template-columns: 1fr; } }
.col { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px; min-height: 120px; }
.col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.col li { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--c, var(--line)); border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.col li small { color: var(--muted); display: block; }
.col li .err { color: var(--danger); }
.col .empty { color: var(--muted); font-size: 13px; border: 1px dashed var(--line); background: transparent; cursor: default; }
dialog { border: 1px solid var(--line); border-radius: 14px; padding: 0; width: min(640px, calc(100vw - 32px)); background: var(--panel); color: var(--ink); }
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog form { padding: 16px; display: grid; gap: 10px; max-height: calc(100vh - 48px); overflow: auto; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input, textarea, select { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px; width: 100%; }
input[type=color] { padding: 2px; height: 36px; }
.row { display: grid; grid-template-columns: 2fr 1fr; gap: 10px; }
.buttons { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.buttons span { flex: 1; }
.error { color: var(--danger); margin: 0; min-height: 0; }
.error:empty { display: none; }
.log { border: 1px solid var(--line); border-radius: 8px; padding: 8px; max-height: 320px; overflow: auto; font-size: 13px; background: var(--card); display: grid; gap: 6px; }
.log .ev { white-space: pre-wrap; word-break: break-word; }
.log .tool { color: var(--muted); font-family: ui-monospace, Menlo, monospace; font-size: 12px; }
.log .result { border-left: 3px solid #81b29a; padding-left: 8px; }
.log .error { border-left: 3px solid var(--danger); padding-left: 8px; }
.log .you, .log .task { font-weight: 600; }
.log .sep { border-top: 1px dashed var(--line); margin-top: 4px; padding-top: 4px; color: var(--muted); font-size: 12px; }
.reply { display: flex; gap: 8px; }
.banner { margin: 12px 16px 0; padding: 10px 14px; border-radius: 10px; background: #fdebd0; color: #7e5109; border: 1px solid #f5cba7; }