:root {
  --bg: #edf0ee;
  --card: #ffffff;
  --ink: #1c2422;
  --muted: #5d6b67;
  --line: #d9e0dd;
  --accent: #0e7c6b;
  --accent-soft: #e3f2ee;
  --sidebar: #17211f;
  --sidebar-ink: #cfd8d5;
  --danger: #b3261e;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: var(--sidebar);
  color: var(--sidebar-ink);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  gap: 18px;
}
.brand { display: flex; gap: 10px; align-items: center; padding: 0 6px; }
.brand strong { display: block; color: #fff; font-size: 16px; }
.brand small { display: block; font-size: 12px; color: #8fa09b; }
.brand-mark {
  width: 12px; height: 12px; border-radius: 3px;
  background: var(--accent); flex-shrink: 0;
}
#nav { display: flex; flex-direction: column; gap: 2px; }
#nav button {
  background: none; border: none; text-align: left;
  color: var(--sidebar-ink); font-size: 14px;
  padding: 9px 10px; border-radius: 7px; cursor: pointer;
}
#nav button:hover { background: #243230; color: #fff; }
#nav button.active { background: #243230; color: #fff; font-weight: 600; }
.conn { margin-top: auto; display: flex; gap: 8px; align-items: center; font-size: 13px; padding: 0 6px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #6b7673; }
.dot.ok { background: #35c26e; }
.dot.err { background: var(--danger); }
main { flex: 1; padding: 28px 32px; max-width: 1080px; }
.view { display: none; }
.view.active { display: block; }
.view-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 16px; margin: 24px 0 10px; }
.btn {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 7px; padding: 7px 14px; font-size: 14px;
  cursor: pointer; color: var(--ink);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(0.94); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px;
}
.stat { font-size: 24px; font-weight: 700; }
.stat-label { font-size: 13px; color: var(--muted); }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); background: #f5f7f6; }
tr:last-child td { border-bottom: none; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--accent-soft); }
.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 14px; align-items: start; }
.list { display: flex; flex-direction: column; gap: 8px; }
.call-item {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; cursor: pointer; font-size: 14px;
}
.call-item:hover, .call-item.selected { border-color: var(--accent); }
.call-item .meta { color: var(--muted); font-size: 12.5px; }
.detail {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; max-height: 60vh; overflow-y: auto;
}
.seg { margin: 0 0 12px; font-size: 14px; }
.seg .who { font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.seg.agent .who { color: var(--accent); }
.seg.user .who { color: var(--muted); }
.kv {
  display: grid; grid-template-columns: 180px 1fr; gap: 0;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 8px 16px; font-size: 14px;
}
.kv dt { color: var(--muted); padding: 8px 0; border-bottom: 1px solid var(--line); }
.kv dd { margin: 0; padding: 8px 0 8px 12px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.kv dt:last-of-type, .kv dd:last-of-type { border-bottom: none; }
.form { display: flex; flex-direction: column; gap: 14px; max-width: 520px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; }
.form input {
  font-size: 14px; padding: 9px 11px;
  border: 1px solid var(--line); border-radius: 7px;
}
.row { display: flex; gap: 12px; align-items: center; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.error { color: var(--danger); }
.msg-card { margin-bottom: 10px; }
.msg-card .head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 6px; font-size: 13px; color: var(--muted); }
@media (max-width: 800px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; }
  #nav { flex-direction: row; flex-wrap: wrap; }
  main { padding: 18px; }
  .split { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
  .kv dd { padding-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none; }
}