:root {
  --bg: #f4f5f7; --panel: #ffffff; --line: #e3e6ea; --text: #1c2430; --muted: #6b7684;
  --accent: #1f7a5c; --accent-soft: #e3f3ec; --warn: #b26a00; --warn-soft: #fff3df;
  --danger: #b3261e; --danger-soft: #fde7e5; --in: #ffffff; --out: #dcf5e6; --bot: #eef1f6; --phone: #fff6dd;
  --radius: 10px; font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; font-size: 15px; color: var(--text);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --panel: #1a1f25; --line: #2b323a; --text: #e8ecf0; --muted: #96a1ad; --accent: #3fb68b;
    --accent-soft: #173229; --warn-soft: #3a2c12; --danger-soft: #3d1a18; --in: #1f252c; --out: #173a2b; --bot: #232a33; --phone: #3a3218; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); }
button, input, select, textarea { font: inherit; color: inherit; }
.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 7px 12px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); }
.btn.small { padding: 4px 9px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
input, select, textarea { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 8px 10px; width: 100%; }
textarea { resize: vertical; }
.muted { color: var(--muted); }
.chip { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--bot); color: var(--muted); }
.chip.queue { background: var(--warn-soft); color: var(--warn); }
.chip.manager { background: var(--accent-soft); color: var(--accent); }
.chip.other { background: var(--bot); }

/* ---------- вход ---------- */
.auth { max-width: 380px; margin: 10vh auto; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px; }
.auth h1 { font-size: 22px; margin: 0 0 6px; }
.auth form { display: grid; gap: 12px; margin-top: 16px; }
.auth .err { color: var(--danger); min-height: 1.2em; }
.auth a { color: var(--accent); }

/* ---------- каркас приложения ---------- */
.app { display: grid; grid-template-columns: 340px 1fr; grid-template-rows: 52px 1fr; height: 100vh; height: 100dvh; }
.topbar { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; padding: 0 14px; background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar .brand { font-weight: 700; }
.topbar .spacer { flex: 1; }
.topbar label.shift { display: flex; align-items: center; gap: 6px; font-size: 14px; }
.topbar label.shift input { width: auto; }
.sidebar { background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.tabs { display: flex; gap: 4px; padding: 8px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tab { border: 0; background: transparent; padding: 6px 10px; border-radius: 8px; cursor: pointer; color: var(--muted); }
.tab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.tab .count { margin-left: 4px; font-size: 12px; background: var(--warn); color: #fff; border-radius: 99px; padding: 0 6px; }
.search { padding: 8px; border-bottom: 1px solid var(--line); }
.list { overflow-y: auto; flex: 1; }
.item { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; padding: 10px 12px; border-bottom: 1px solid var(--line); cursor: pointer; }
.item:hover { background: var(--bg); }
.item.active { background: var(--accent-soft); }
.item .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .when { font-size: 12px; color: var(--muted); }
.item .preview { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .badges { display: flex; gap: 4px; align-items: center; justify-content: flex-end; }
.unread { background: var(--accent); color: #fff; border-radius: 99px; font-size: 12px; padding: 0 7px; }
.waiting { color: var(--warn); font-size: 12px; }
.empty { padding: 30px; text-align: center; color: var(--muted); }

.main { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.chat-head { display: flex; gap: 10px; align-items: center; padding: 8px 14px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.chat-head .who { flex: 1; min-width: 160px; }
.chat-head .who b { display: block; }
.chat-head select { width: auto; }
.back { display: none; }
.stages { display: flex; gap: 6px; padding: 8px 14px; background: var(--panel); border-bottom: 1px solid var(--line); overflow-x: auto; }
.stage { border: 1px solid var(--line); background: var(--panel); border-radius: 99px; padding: 4px 12px; cursor: pointer; white-space: nowrap; font-size: 13px; }
.stage.done { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.stage.current { background: var(--accent); color: #fff; border-color: var(--accent); }
.stage.lost.current { background: var(--danger); border-color: var(--danger); }
.body { display: flex; flex: 1; min-height: 0; }
.messages { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.msg { max-width: min(560px, 80%); padding: 7px 10px; border-radius: 10px; background: var(--in); border: 1px solid var(--line); white-space: pre-wrap; word-wrap: break-word; }
.msg.out { align-self: flex-end; background: var(--out); border-color: transparent; }
.msg.bot { background: var(--bot); }
.msg.phone { background: var(--phone); }
.msg .meta { font-size: 11px; color: var(--muted); margin-top: 3px; display: flex; gap: 6px; justify-content: flex-end; }
.msg .author { font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 2px; }
.msg img, .msg video { max-width: 100%; max-height: 320px; border-radius: 6px; display: block; }
.msg audio { width: 260px; max-width: 100%; }
.msg .transcript { font-size: 13px; color: var(--muted); border-left: 3px solid var(--line); padding-left: 6px; margin-top: 4px; }
.msg .error { color: var(--danger); font-size: 12px; }
.day { align-self: center; font-size: 12px; color: var(--muted); padding: 4px 0; }
.more { align-self: center; }
.composer { display: flex; gap: 8px; padding: 10px 14px; background: var(--panel); border-top: 1px solid var(--line); align-items: flex-end; }
.composer textarea { min-height: 42px; max-height: 160px; resize: none; }
.notice { padding: 10px 14px; background: var(--warn-soft); color: var(--warn); font-size: 14px; display: flex; gap: 10px; align-items: center; }
.card { width: 300px; border-left: 1px solid var(--line); background: var(--panel); overflow-y: auto; padding: 14px; }
.card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 10px; font-size: 14px; }
.card dt { color: var(--muted); }
.card dd { margin: 0; word-break: break-word; }
.placeholder { margin: auto; color: var(--muted); text-align: center; padding: 30px; }

/* ---------- модальные окна, уведомления ---------- */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: var(--panel); border-radius: 14px; padding: 20px; width: 100%; max-width: 420px; display: grid; gap: 12px; }
.modal h3 { margin: 0; font-size: 17px; }
.field { display: grid; gap: 4px; font-size: 14px; }
.field span { color: var(--muted); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
#toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 60; max-width: 360px; }
.toast { background: var(--text); color: var(--panel); padding: 10px 14px; border-radius: 10px; cursor: pointer; box-shadow: 0 4px 16px rgba(0,0,0,.2); }
.toast.error { background: var(--danger); color: #fff; }
.toast.alert { background: var(--warn); color: #fff; }

/* ---------- настройки ---------- */
.page { max-width: 1000px; margin: 0 auto; padding: 18px; display: grid; gap: 18px; }
.section { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.section h2 { margin: 0 0 12px; font-size: 18px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- телефон ---------- */
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .app.chat-open .sidebar { display: none; }
  .app:not(.chat-open) .main { display: none; }
  .back { display: inline-block; }
  .card { position: fixed; inset: 52px 0 0 auto; width: min(320px, 90vw); z-index: 40; box-shadow: -4px 0 16px rgba(0,0,0,.15); }
  .msg { max-width: 88%; }
  .topbar .who-am-i { display: none; }
}