:root{
  --bg:#0b0f14; --bg2:#121821; --bg3:#1a2330; --line:#243040;
  --fg:#e6edf5; --fg2:#8fa3ba;
  --accent:#4ea1ff; --accent2:#2b6fd0;
  --ok:#3ecf8e; --warn:#f0b429; --danger:#f2555a;
  --bubble-out:#1e4b86; --bubble-in:#1a2330; --meta:#ffffff88;
  --r:14px; --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
}
:root[data-theme="light"]{
  --bg:#f4f6fa; --bg2:#ffffff; --bg3:#eaeff7; --line:#d7dee9;
  --fg:#16202c; --fg2:#5d6f85;
  --bubble-out:#d6e6ff; --bubble-in:#eef2f8; --meta:#00000077;
}
:root[data-theme="light"] .msg.out{color:#12243c}
:root[data-theme="light"] .msg.in{color:#16202c}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0;overscroll-behavior:none}
body{
  background:var(--bg);color:var(--fg);
  font:15px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  display:flex;flex-direction:column;
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;border-radius:10px;padding:8px 12px}
button:active{opacity:.6}
button.primary{background:var(--accent2);color:#fff;font-weight:600}
button.primary:disabled{background:var(--bg3);color:var(--fg2)}
button.danger{background:transparent;color:var(--danger);border:1px solid var(--danger);width:100%}
button.link{background:none;color:var(--accent);padding:6px}
input,textarea{
  font:inherit;background:var(--bg2);color:var(--fg);border:1px solid var(--line);
  border-radius:10px;padding:12px;width:100%;outline:none
}
input:focus,textarea:focus{border-color:var(--accent)}
.hidden{display:none !important}

.screen{display:none;flex:1;min-height:0}
.screen.active{display:flex}

/* ---- lock ---- */
#lock{align-items:center;justify-content:center;padding:24px}
.pane{width:100%;max-width:380px;display:flex;flex-direction:column;gap:12px}
.brand{font-size:30px;letter-spacing:.34em;margin:0;text-align:center;font-weight:300}
.tag{color:var(--fg2);text-align:center;margin:0 0 12px;font-size:13px}
.hint{color:var(--fg2);font-size:12.5px;margin:2px 0}
.hint.err{color:var(--danger)}
.hint.ok{color:var(--ok)}

/* ---- layout ---- */
#main{flex:1;min-height:0}
#sidebar{
  width:320px;flex-shrink:0;border-right:1px solid var(--line);
  display:flex;flex-direction:column;min-height:0;background:var(--bg2)
}
#chat{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}
.bar{
  display:flex;align-items:center;gap:8px;padding:10px 12px;padding-top:calc(10px + var(--safe-t));
  border-bottom:1px solid var(--line);background:var(--bg2);flex-shrink:0
}
.bar .grow{flex:1;min-width:0}
.bar-actions{display:flex;gap:2px;margin-left:auto}
.bar-actions button{font-size:18px;padding:6px 9px}
.me-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;letter-spacing:.04em}
.status{font-size:11.5px;color:var(--fg2)}
.status.on{color:var(--ok)}
.back{display:none;font-size:26px;line-height:1;padding:0 8px}
.chat-title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-sub{font-size:11.5px;color:var(--fg2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-foot{padding:10px;padding-bottom:calc(10px + var(--safe-b));border-top:1px solid var(--line)}

/* ---- conversations ---- */
#conv-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.conv{display:flex;gap:10px;align-items:center;padding:11px 13px;border-bottom:1px solid var(--line)}
.conv:hover{background:var(--bg3)}
.conv.sel{background:var(--bg3);box-shadow:inset 3px 0 0 var(--accent)}
.av{width:38px;height:38px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  font-weight:600;font-size:14px;background:var(--bg3);color:var(--accent)}
.conv .txt{flex:1;min-width:0}
.conv .nm{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv .pv{font-size:12px;color:var(--fg2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{background:var(--accent2);color:#fff;border-radius:11px;padding:1px 7px;font-size:11px;font-weight:700}

/* ---- messages ---- */
#messages{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:14px;display:flex;flex-direction:column;gap:7px}
.msg{max-width:min(74%,560px);padding:8px 12px;border-radius:var(--r);word-wrap:break-word;overflow-wrap:anywhere;white-space:pre-wrap}
.msg.out{align-self:flex-end;background:var(--bubble-out);border-bottom-right-radius:4px}
.msg.in{align-self:flex-start;background:var(--bubble-in);border-bottom-left-radius:4px}
.msg .meta{font-size:10.5px;color:#ffffff88;margin-top:4px;text-align:right;display:flex;gap:6px;justify-content:flex-end;align-items:center}
.msg .who{font-size:11.5px;color:var(--accent);font-weight:600;margin-bottom:2px}
.sys{align-self:center;background:transparent;color:var(--fg2);font-size:11.5px;text-align:center;max-width:90%}
.sys.warn{color:var(--warn)}
.sys.danger{color:var(--danger)}
.msg audio{width:230px;max-width:100%;display:block;margin:2px 0}
.msg img{max-width:100%;border-radius:8px;display:block;margin:2px 0}
.file{display:flex;gap:9px;align-items:center;padding:4px 0}
.file .ic{font-size:22px}
.file .fn{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}
.file .fs{font-size:11px;color:#ffffff99}

/* ---- composer ---- */
#composer{display:flex;gap:6px;align-items:flex-end;padding:9px;padding-bottom:calc(9px + var(--safe-b));
  border-top:1px solid var(--line);background:var(--bg2);flex-shrink:0}
#composer button{font-size:18px;padding:8px 11px;flex-shrink:0}
#input{resize:none;max-height:130px;padding:9px 12px;border-radius:20px}
#rec-bar{display:flex;gap:10px;align-items:center;padding:12px;padding-bottom:calc(12px + var(--safe-b));
  border-top:1px solid var(--line);background:var(--bg2)}
.rec-dot{width:10px;height:10px;border-radius:50%;background:var(--danger);animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}
#rec-time{font-variant-numeric:tabular-nums;flex:1}

/* ---- modal ---- */
.modal{position:fixed;inset:0;background:#000b;display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal-box{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);
  width:100%;max-width:460px;max-height:86vh;display:flex;flex-direction:column}
.modal-box header{display:flex;align-items:center;padding:13px 15px;border-bottom:1px solid var(--line);font-weight:600}
.modal-box header button{margin-left:auto;font-size:17px}
#modal-body{padding:15px;overflow-y:auto;display:flex;flex-direction:column;gap:11px}
#modal-body h4{margin:6px 0 0;font-size:13px;color:var(--fg2);text-transform:uppercase;letter-spacing:.06em}
#modal-body p{margin:0;font-size:13.5px;color:var(--fg2)}
.row{display:flex;gap:9px;align-items:center;justify-content:space-between}
.row label{font-size:13.5px}
.row input[type=number]{width:88px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;
  background:var(--bg3);padding:10px;border-radius:8px;word-break:break-all;line-height:1.7}
.sn{font-family:ui-monospace,Menlo,monospace;font-size:15px;letter-spacing:.06em;line-height:2;
  background:var(--bg3);padding:12px;border-radius:8px;text-align:center}
.pill{display:inline-block;font-size:11px;padding:2px 8px;border-radius:9px;background:var(--bg3);color:var(--fg2)}
.pill.ok{color:var(--ok)} .pill.warn{color:var(--warn)} .pill.danger{color:var(--danger)}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(24px + var(--safe-b));
  background:var(--bg3);border:1px solid var(--line);padding:10px 16px;border-radius:22px;z-index:60;font-size:13.5px;max-width:90vw}

/* ---- мобильные ---- */
@media (max-width:760px){
  #sidebar{width:100%;border-right:0}
  #chat{display:none}
  body.chat-open #sidebar{display:none}
  body.chat-open #chat{display:flex}
  .back{display:block}
  .msg{max-width:86%}
}

.update-bar{
  position:fixed;left:50%;transform:translateX(-50%);top:calc(12px + var(--safe-t));z-index:70;
  display:flex;gap:9px;align-items:center;background:var(--bg3);border:1px solid var(--accent);
  padding:9px 12px;border-radius:12px;font-size:13.5px;max-width:94vw;box-shadow:0 6px 22px #0008
}
.update-bar button{padding:6px 11px;font-size:13px}

/* ---- поиск ---- */
#search-wrap{padding:8px 10px;border-bottom:1px solid var(--line)}
#search{padding:8px 11px;border-radius:18px;font-size:13.5px}
#search-results{flex:1;overflow-y:auto}
.sr{padding:10px 13px;border-bottom:1px solid var(--line)}
.sr .sr-top{font-size:11.5px;color:var(--fg2);margin-bottom:3px}
.sr .sr-txt{font-size:13.5px}
.sr mark{background:var(--accent);color:#fff;border-radius:3px;padding:0 2px}

/* ---- версия ---- */
.ver{font-size:10.5px;color:var(--fg2);text-align:center;margin-top:7px;font-variant-numeric:tabular-nums}
.ver.stale{color:var(--warn)}

/* ---- идентиконы ---- */
.av{overflow:hidden;background:var(--bg3)}
.av svg{width:100%;height:100%;display:block}
.chat-av{width:30px;height:30px;border-radius:50%;overflow:hidden;flex-shrink:0}

/* ---- ответы ---- */
#reply-bar{display:flex;gap:9px;align-items:center;padding:8px 10px;background:var(--bg2);border-top:1px solid var(--line)}
.reply-strip{width:3px;align-self:stretch;background:var(--accent);border-radius:2px;flex-shrink:0}
.reply-body{flex:1;min-width:0}
.reply-who{font-size:11.5px;color:var(--accent);font-weight:600}
.reply-txt{font-size:12.5px;color:var(--fg2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.quote{border-left:3px solid var(--accent);padding:3px 0 3px 8px;margin-bottom:5px;opacity:.85;cursor:pointer}
.quote .q-who{font-size:11px;font-weight:600;color:var(--accent)}
.quote .q-txt{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}

/* ---- реакции ---- */
.reacts{display:flex;gap:4px;flex-wrap:wrap;margin-top:5px}
.react{background:#ffffff1f;border-radius:11px;padding:1px 7px;font-size:12px;line-height:1.6;cursor:pointer}
.react.mine{background:var(--accent2);color:#fff}
:root[data-theme="light"] .react{background:#00000012}

/* ---- действия над сообщением ---- */
.msg{position:relative;cursor:default}
.msg-actions{display:flex;gap:2px;margin-top:6px;padding-top:5px;border-top:1px solid #ffffff1f}
.msg-actions button{padding:3px 8px;font-size:12px;border-radius:8px;background:#ffffff14}
.emoji-row{display:flex;gap:3px;margin-top:5px}
.emoji-row button{font-size:17px;padding:2px 5px}

/* ---- таймер исчезновения ---- */
.msg .ttl{font-variant-numeric:tabular-nums;opacity:.85}
#btn-ttl.on{color:var(--warn)}
.ttl-opt{display:flex;justify-content:space-between;align-items:center;padding:9px 2px;border-bottom:1px solid var(--line);cursor:pointer}
.ttl-opt.sel{color:var(--accent);font-weight:600}

/* ---- форматирование текста ---- */
.msg code{background:#00000047;padding:1px 5px;border-radius:5px;font-family:ui-monospace,Menlo,monospace;font-size:12.5px}
.msg pre{background:#00000047;padding:9px 11px;border-radius:9px;overflow-x:auto;margin:5px 0}
.msg pre code{background:none;padding:0}
.msg a{color:inherit;text-decoration:underline;text-underline-offset:2px}
:root[data-theme="light"] .msg code,:root[data-theme="light"] .msg pre{background:#0000000f}

/* ---- выбор темы ---- */
.swatches{display:flex;gap:9px;margin-top:4px}
.swatch{width:30px;height:30px;border-radius:50%;border:2px solid transparent;cursor:pointer}
.swatch.sel{border-color:var(--fg)}