:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --text: #1c2330;
  --muted: #5d6879;
  --line: #d5dae2;
  --accent: #1f5fd6;
  --danger: #b3261e;
  --ok: #1b7a3a;
  --warn: #8a5a00;
  --stage-bg: #11151c;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181f;
    --panel: #1d232d;
    --text: #e6e9ef;
    --muted: #9aa5b5;
    --line: #333c4a;
    --accent: #6ea0ff;
    --danger: #ff8b80;
    --ok: #6fd18b;
    --warn: #f0c060;
    --stage-bg: #000000;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 "Malgun Gothic", system-ui, sans-serif;
}

.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 8px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.bar h1 { margin: 0; font-size: 16px; }
.bar small { color: var(--muted); font-weight: normal; }
.spacer { flex: 1; }

main { max-width: 1200px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 16px;
}
.panel h2 { margin: 0 0 8px; font-size: 15px; }
.panel h3 { margin: 12px 0 4px; font-size: 14px; }
[hidden] { display: none !important; }

.row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0; }
.muted { color: var(--muted); }
.message { min-height: 1.5em; margin: 0; }
.message[data-level="warn"] { color: var(--warn); }
.error { color: var(--danger); min-height: 1.5em; margin: 4px 0 0; }

button, input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 4px 10px;
}
button { cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.danger { color: var(--danger); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

#login-form { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
#token { min-width: 280px; }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 12px;
  white-space: nowrap;
}
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge[data-state="connected"] { color: var(--ok); border-color: var(--ok); }
.badge[data-state="reconnecting"] { color: var(--warn); border-color: var(--warn); }
.badge[data-state="ended"] { color: var(--muted); }
.badge[data-granted="true"] { color: var(--ok); border-color: var(--ok); }

.code-box { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin: 8px 0; }
.code { font: 700 32px/1.2 ui-monospace, Consolas, monospace; letter-spacing: 0.08em; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 2px 16px; margin: 4px 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.kv.grid { grid-template-columns: max-content 1fr max-content 1fr; gap: 2px 16px; }
@media (max-width: 700px) { .kv.grid { grid-template-columns: max-content 1fr; } }

.stage {
  position: relative;
  width: 100%;
  height: min(72vh, 900px);
  background: var(--stage-bg);
  border: 1px solid var(--line);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}
.stage video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain; /* letterbox bars are excluded by lib/geometry.js */
  pointer-events: none;
  border: 0;
  padding: 0;
}
.cursor-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: rgba(255, 60, 60, 0.85);
  border: 2px solid #fff;
  pointer-events: none;
}

/* ---- chat / clipboard / file panel (aux channel) ---- */
textarea { width: 100%; resize: vertical; }
textarea:disabled { opacity: 0.6; }
.aux-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1000px) { .aux-grid { grid-template-columns: minmax(0, 1fr); } }
.aux-col label { display: block; margin-top: 4px; color: var(--muted); }
.aux-col .error { min-height: 1.5em; }

.chat-log {
  list-style: none;
  margin: 0 0 8px;
  padding: 6px 8px;
  height: 220px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
}
.chat-log li { margin: 0 0 6px; }
.chat-log li[data-from="operator"], .chat-log li[data-from="customer"] {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.chat-log li[data-from="operator"] { border-color: var(--accent); }
.chat-log .who { font-weight: 700; margin-right: 6px; }
.chat-log li[data-from="operator"] .who { color: var(--accent); }
/* notices from the console itself: no bubble, centered, muted */
.chat-log li[data-from="system"] { color: var(--muted); font-size: 12px; text-align: center; font-style: italic; }
.chat-text { white-space: pre-wrap; overflow-wrap: anywhere; } /* newlines kept, no HTML involved */

.drop {
  padding: 12px;
  border: 2px dashed var(--line);
  border-radius: 6px;
  text-align: center;
}
.drop[data-over="true"] { border-color: var(--accent); background: var(--bg); }
.drop p { margin: 0 0 8px; }

.file-list { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px; }
.file-list li { padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px; }
.file-list .f-name { font-weight: 700; overflow-wrap: anywhere; }
.file-list .f-meta, .file-list .f-status { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.file-list .f-status[data-bad="true"] { color: var(--danger); }
.file-list progress { width: 100%; height: 10px; }
.file-list .row { margin: 4px 0 0; }