:root {
  --bg: #f6f3ec;
  --panel: #fffdf8;
  --ink: #2c2a26;
  --muted: #7a746a;
  --line: #e4ddd0;
  --accent: #3d7a4f;
  --accent-ink: #fff;
  --warn: #b0452f;
  --mine: #eaf4ec;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1c1a;
    --panel: #262522;
    --ink: #ece7dd;
    --muted: #a59e92;
    --line: #3a3833;
    --accent: #6cb07f;
    --accent-ink: #10150f;
    --warn: #e2846f;
    --mine: #23362a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
}
button {
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
input {
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
}

.bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.brand { font-size: 16px; }
.home-title { color: var(--muted); }
.spacer { flex: 1; }
.conn { font-size: 12px; color: var(--muted); }
.conn.online { color: var(--accent); }
.conn.offline { color: var(--warn); }

.layout { flex: 1; display: flex; min-height: 0; }
.stage { flex: 1; position: relative; min-width: 0; }
#view { width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
#view.editing { cursor: crosshair; }
.hint {
  position: absolute; left: 12px; bottom: 4px; margin: 0;
  font-size: 12px; color: #2c2a26; opacity: 0.7; pointer-events: none;
}
.toolbar {
  position: absolute; left: 12px; right: 12px; top: 12px;
  display: flex; flex-direction: column; gap: 6px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border: 1px solid var(--line); border-radius: 10px; padding: 8px;
}
.toolbar[hidden], [hidden] { display: none !important; }
.tools { display: flex; flex-wrap: wrap; gap: 4px; }
.tools button[data-layer="ground"] { border-style: dashed; }
.tool-row { display: flex; align-items: center; gap: 10px; }
.swatches { display: flex; gap: 4px; }
.swatch { width: 24px; height: 24px; padding: 0; border-radius: 50%; border: 2px solid var(--line); }
.swatch.active { outline: 2px solid var(--ink); outline-offset: 1px; }
.swatch.auto { font-size: 11px; }

.side {
  width: 320px; display: flex; flex-direction: column; gap: 10px;
  padding: 10px; border-left: 1px solid var(--line); overflow: auto;
}
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.panel h2 { font-size: 13px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.panel summary { cursor: pointer; color: var(--muted); }
.lock { text-transform: none; letter-spacing: 0; color: var(--accent); font-weight: normal; }

.people { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.people li { display: flex; align-items: center; gap: 6px; }
.people .who { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.people button { padding: 1px 8px; font-size: 12px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.online .dot { background: var(--accent); }
.badge { font-size: 11px; padding: 0 6px; border-radius: 8px; border: 1px solid var(--line); color: var(--muted); }
.badge.owner { color: var(--accent); border-color: var(--accent); }

.chat { flex: 1; display: flex; flex-direction: column; min-height: 240px; }
.log { flex: 1; list-style: none; margin: 0; padding: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.log li { padding: 4px 6px; border-radius: 6px; overflow-wrap: anywhere; }
.log .mine { background: var(--mine); }
.log time { font-size: 11px; color: var(--muted); }
.log .who { font-weight: 600; }
.log .sys { font-size: 12px; color: var(--muted); font-style: italic; }
.log .warn { color: var(--warn); }
.chat-form { display: flex; gap: 6px; margin-top: 8px; }
.chat-form input { flex: 1; min-width: 0; }

.fp { display: block; font-size: 13px; letter-spacing: 0.05em; }
.small { font-size: 12px; color: var(--muted); }

dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--ink); max-width: 360px; }
dialog form { display: flex; flex-direction: column; gap: 10px; }
dialog h2 { margin: 0; }
dialog p { margin: 0; }
dialog .error { color: var(--warn); font-size: 12px; }
dialog .actions { display: flex; justify-content: flex-end; gap: 6px; }

@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .stage { min-height: 55vh; }
  .side { width: auto; border-left: 0; border-top: 1px solid var(--line); }
  .bar { padding: 8px 16px; flex-wrap: wrap; }
}