:root{
  --bg:#eef1f5; --panel:#ffffff; --text:#17202b; --muted:#6b7684; --line:#e3e7ec; --accent:#1f6feb; --accent-2:#e8f0fe;
  --in:#ffffff; --out:#dcebff; --chat-bg:#e9eef3; --danger:#d93636; --ok:#1a9b52; --shadow:0 6px 24px rgba(15,30,50,.16);
  --app-h:100dvh; --r:16px;
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#0f141a; --panel:#18202a; --text:#e6ebf1; --muted:#8b97a5; --line:#26313d; --accent:#4c8dff; --accent-2:#1d2a3d;
    --in:#212b37; --out:#1f3b63; --chat-bg:#0d1218; --shadow:0 6px 24px rgba(0,0,0,.5); }
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:15px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow:hidden;overscroll-behavior:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;padding:0}
input,textarea,select{font:inherit;color:var(--text);font-size:16px}
a{color:var(--accent)}
.hidden{display:none!important}
svg.i{width:24px;height:24px;fill:currentColor;flex:none;display:block}
.ib{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);flex:none}
.ib:hover{background:var(--accent-2);color:var(--accent)}
.btn{background:var(--accent);color:#fff;border-radius:10px;padding:10px 16px;font-weight:600}
.btn:disabled{opacity:.5}
.btn.sec{background:var(--accent-2);color:var(--accent)}
.btn.danger{background:#fde8e8;color:var(--danger)}
.field{display:block;margin:0 0 12px}
.field span{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--panel);outline:none}
.field input:focus{border-color:var(--accent)}

/* вход */
.login{height:var(--app-h);display:flex;align-items:center;justify-content:center;padding:20px}
.login form{background:var(--panel);padding:28px 24px;border-radius:20px;box-shadow:var(--shadow);width:100%;max-width:360px}
.login .logo{width:72px;height:72px;border-radius:18px;margin:0 auto 12px;display:block}
.login h1{text-align:center;font-size:22px;margin:0 0 4px}
.login p{text-align:center;color:var(--muted);margin:0 0 20px;font-size:14px}
.login .btn{width:100%;padding:12px}
.login .err{color:var(--danger);font-size:14px;min-height:20px;margin-bottom:8px;text-align:center}

/* каркас */
.app{display:flex;height:var(--app-h);width:100%;overflow:hidden}
.side{width:360px;flex:none;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--chat-bg)}
.side-h{display:flex;align-items:center;gap:4px;padding:calc(8px + var(--safe-t)) 8px 8px 16px}
.brand{flex:1;font-weight:700;font-size:18px;display:flex;align-items:center;gap:8px}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.brand .dot.off{background:#c9a227}
.search{padding:0 12px 8px}
.search input{width:100%;padding:9px 12px;border-radius:12px;border:0;background:var(--bg);outline:none}
.list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:var(--safe-b)}
.list .sec-t{font-size:12px;text-transform:uppercase;color:var(--muted);padding:10px 16px 4px;letter-spacing:.03em}
.ci{display:flex;gap:12px;padding:8px 12px;margin:0 6px;border-radius:12px;cursor:pointer;align-items:center}
.ci:hover{background:var(--bg)}
.ci.active{background:var(--accent);color:#fff}
.ci.active .ci-p,.ci.active .ci-time{color:rgba(255,255,255,.85)}
.ci.active .badge{background:#fff;color:var(--accent)}
.ci-b{flex:1;min-width:0}
.ci-t,.ci-p{display:flex;align-items:center;gap:6px}
.ci-n{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ci-time{font-size:12px;color:var(--muted);flex:none}
.ci-p{color:var(--muted);font-size:14px}
.ci-last{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{background:var(--accent);color:#fff;border-radius:11px;min-width:22px;height:22px;padding:0 6px;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.badge.muted{background:#9aa5b1}
.typing{color:var(--accent)!important}
.av{width:46px;height:46px;border-radius:50%;color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;position:relative;font-size:16px;user-select:none}
.av.sm{width:36px;height:36px;font-size:13px}
.av.xs{width:30px;height:30px;font-size:12px}
.av.lg{width:84px;height:84px;font-size:30px}
.av .on{position:absolute;right:1px;bottom:1px;width:12px;height:12px;border-radius:50%;background:var(--ok);border:2px solid var(--panel)}
.c0{background:#e17055}.c1{background:#00a884}.c2{background:#0984e3}.c3{background:#a55eea}.c4{background:#fd9644}.c5{background:#20bf6b}.c6{background:#eb3b5a}.c7{background:#4b7bec}.cg{background:#5f6f86}

.banner{margin:0 12px 8px;padding:10px 12px;border-radius:12px;background:#fff7e0;color:#6b5200;font-size:13.5px;display:flex;gap:8px;align-items:flex-start}
@media (prefers-color-scheme:dark){.banner{background:#3a3014;color:#f2d98a}}
.banner .t{flex:1}
.banner .btn{padding:6px 10px;font-size:13px}
.banner .x{opacity:.6;font-size:18px;line-height:1}

/* чат */
.empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);flex-direction:column;gap:10px;padding:20px;text-align:center}
.chat{display:flex;flex-direction:column;height:100%;min-height:0}
.ch-h{display:flex;align-items:center;gap:8px;padding:calc(6px + var(--safe-t)) 8px 6px;background:var(--panel);border-bottom:1px solid var(--line);flex:none}
.ch-h .back{display:none}
.ch-ti{flex:1;min-width:0;cursor:pointer}
.ch-n{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ch-s{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ch-s.on{color:var(--accent)}
.archive-bar{background:#fff1f0;color:#a12b2b;font-size:13px;padding:6px 14px;flex:none}
@media (prefers-color-scheme:dark){.archive-bar{background:#3a1d1d;color:#f3a6a6}}
.msgs{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:10px 10px 6px;display:flex;flex-direction:column;min-height:0;overscroll-behavior:contain}
.msgs .loader{text-align:center;color:var(--muted);font-size:13px;padding:6px}
.day{align-self:center;background:rgba(0,0,0,.18);color:#fff;font-size:12.5px;padding:3px 10px;border-radius:10px;margin:10px 0 6px;position:sticky;top:2px;z-index:1}
.m{display:flex;flex-direction:column;max-width:min(78%,560px);margin-top:2px}
.m.in{align-self:flex-start}
.m.out{align-self:flex-end;align-items:flex-end}
.m.first{margin-top:8px}
.m.sys{align-self:center;max-width:90%}
.m.sys .bub{background:rgba(0,0,0,.14);color:#fff;font-size:13px;border-radius:12px;padding:4px 12px;text-align:center;box-shadow:none}
@media (prefers-color-scheme:dark){.day,.m.sys .bub{background:rgba(255,255,255,.12)}}
.bub{background:var(--in);border-radius:var(--r);padding:6px 10px 6px;box-shadow:0 1px 1px rgba(0,0,0,.08);position:relative;min-width:72px;overflow-wrap:anywhere;user-select:text;-webkit-user-select:text}
.m.out .bub{background:var(--out)}
.m.in.first .bub{border-top-left-radius:6px}
.m.out.first .bub{border-top-right-radius:6px}
.m.pending .bub{opacity:.7}
.m.failed .bub{outline:2px solid var(--danger)}
.m.hl .bub{animation:hl 1.6s}
@keyframes hl{0%,60%{box-shadow:0 0 0 3px var(--accent)}}
.m-name{font-size:13px;font-weight:700;margin-bottom:2px}
.n0{color:#d35400}.n1{color:#00896b}.n2{color:#0769b8}.n3{color:#8a44d6}.n4{color:#d9781f}.n5{color:#179a52}.n6{color:#c62841}.n7{color:#3b67d9}
.m-text{white-space:pre-wrap}
.m-text.big{font-size:38px;line-height:1.15}
.m-meta{float:right;font-size:11.5px;color:var(--muted);margin:6px 0 -2px 10px;display:flex;gap:3px;align-items:center;white-space:nowrap}
.m-meta .rd{color:var(--accent)}
.m-meta svg{width:16px;height:16px}
.m-meta .ed{cursor:pointer;text-decoration:underline dotted}
.m-reply{border-left:3px solid var(--accent);background:rgba(31,111,235,.08);border-radius:6px;padding:3px 8px;margin:2px 0 4px;font-size:13.5px;cursor:pointer;max-width:100%}
.m-reply b{display:block;color:var(--accent);font-size:13px}
.m-reply span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}
.m-media{margin:-2px -6px 4px;border-radius:12px;overflow:hidden;position:relative;cursor:pointer;background:#0002;max-width:320px}
.m-media img{display:block;width:100%;height:auto;max-height:420px;object-fit:cover}
.m-media .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;display:flex;align-items:center;justify-content:center}
.m-media .dur{position:absolute;left:8px;top:8px;background:rgba(0,0,0,.55);color:#fff;font-size:12px;border-radius:8px;padding:1px 6px}
.m-media.only{margin-bottom:-2px}
.m-media.only + .m-meta{position:absolute;right:10px;bottom:8px;background:rgba(0,0,0,.45);color:#fff;border-radius:10px;padding:1px 6px;margin:0}
.m-media.only + .m-meta .rd{color:#fff}
.m-file{display:flex;gap:10px;align-items:center;text-decoration:none;color:inherit;padding:2px 0;min-width:200px;max-width:300px}
.m-file .fi{width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.m-file .fn{font-weight:600;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.m-file .fs{font-size:12.5px;color:var(--muted)}
.m-voice{display:flex;align-items:center;gap:10px;min-width:220px;padding:2px 0}
.m-voice .pb{width:42px;height:42px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.m-voice .wv{flex:1;height:28px;display:flex;align-items:center;gap:2px;cursor:pointer;position:relative}
.m-voice .wv i{flex:1;background:var(--muted);opacity:.45;border-radius:2px;min-width:2px}
.m-voice .wv i.p{background:var(--accent);opacity:1}
.m-voice .vd{font-size:12.5px;color:var(--muted);min-width:34px}
.m-call{display:flex;align-items:center;gap:8px;cursor:pointer;padding:2px 0}
.m-call .ci2{width:36px;height:36px;border-radius:50%;background:var(--accent-2);color:var(--accent);display:flex;align-items:center;justify-content:center}
.m-call.miss .ci2{color:var(--danger);background:#fde8e8}
.m-call small{display:block;color:var(--muted)}
.m-del{font-style:italic;color:var(--muted)}
.m.arch-del .bub{background:#ffe3e3!important;outline:1px dashed var(--danger)}
@media (prefers-color-scheme:dark){.m.arch-del .bub{background:#4a2020!important}}
.arch-note{font-size:12px;color:var(--danger);font-weight:600;margin-bottom:3px}
.m-reacts{display:flex;flex-wrap:wrap;gap:4px;margin-top:3px}
.rx{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1px 8px;font-size:14px;display:flex;gap:4px;align-items:center}
.rx.mine{background:var(--accent-2);border-color:var(--accent);color:var(--accent);font-weight:600}
.prog{height:4px;background:var(--line);border-radius:2px;overflow:hidden;margin-top:6px}
.prog i{display:block;height:100%;background:var(--accent);width:0;transition:width .2s}

/* поле ввода */
.composer{flex:none;background:var(--panel);border-top:1px solid var(--line);padding:6px 6px calc(6px + var(--safe-b));position:relative}
.composer .row{display:flex;align-items:flex-end;gap:2px}
.composer textarea{flex:1;resize:none;border:0;outline:none;background:var(--bg);border-radius:20px;padding:9px 14px;max-height:160px;min-height:40px;line-height:1.35;margin:0 4px}
.send{background:var(--accent);color:#fff!important}
.send:hover{background:var(--accent)!important;color:#fff!important}
.reply-bar{display:flex;align-items:center;gap:8px;padding:2px 6px 6px 10px}
.reply-bar .rb{flex:1;min-width:0;border-left:3px solid var(--accent);padding-left:8px;font-size:13.5px}
.reply-bar .rb b{color:var(--accent);display:block}
.reply-bar .rb span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}
.rec-bar{display:flex;align-items:center;gap:10px;padding:0 6px;height:40px}
.rec-bar .dot{width:10px;height:10px;border-radius:50%;background:var(--danger);animation:blink 1s infinite}
@keyframes blink{50%{opacity:.2}}
.rec-bar .tm{flex:1;font-variant-numeric:tabular-nums}
.ro-bar{text-align:center;color:var(--muted);padding:12px;font-size:14px}
.pop{position:absolute;background:var(--panel);border-radius:14px;box-shadow:var(--shadow);z-index:50;overflow:hidden}
.menu-pop{min-width:200px;padding:6px 0}
.menu-pop button{display:flex;gap:12px;align-items:center;width:100%;padding:10px 16px;text-align:left}
.menu-pop button:hover{background:var(--bg)}
.menu-pop button.danger{color:var(--danger)}
.menu-pop .qr{display:flex;justify-content:space-around;padding:4px 8px 8px;border-bottom:1px solid var(--line);margin-bottom:4px}
.menu-pop .qr button{width:auto;padding:4px;font-size:24px;border-radius:50%}
.emoji-panel{height:280px;display:flex;flex-direction:column}
.emoji-tabs{display:flex;border-bottom:1px solid var(--line);overflow-x:auto}
.emoji-tabs button{padding:8px 10px;font-size:20px;opacity:.55}
.emoji-tabs button.on{opacity:1;border-bottom:2px solid var(--accent)}
.emoji-grid{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(42px,1fr));padding:6px}
.emoji-grid button{font-size:28px;height:44px;border-radius:8px}
.emoji-grid button:hover{background:var(--bg)}

/* модальные окна */
.overlay{position:fixed;inset:0;background:rgba(10,20,30,.45);z-index:100;display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:var(--panel);border-radius:18px;width:100%;max-width:480px;max-height:calc(var(--app-h) - 32px);display:flex;flex-direction:column;box-shadow:var(--shadow)}
.modal.wide{max-width:860px}
.modal-h{display:flex;align-items:center;gap:8px;padding:12px 8px 8px 18px;border-bottom:1px solid var(--line)}
.modal-h h2{flex:1;font-size:18px;margin:0}
.modal-b{padding:14px 18px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.modal-f{padding:10px 18px 14px;display:flex;gap:8px;justify-content:flex-end;border-top:1px solid var(--line)}
.ul .ui{display:flex;align-items:center;gap:12px;padding:8px 6px;border-radius:10px;cursor:pointer}
.ul .ui:hover{background:var(--bg)}
.ul .ui .nm{flex:1;min-width:0}
.ul .ui .nm b{display:block;font-weight:600}
.ul .ui .nm small{color:var(--muted)}
.ul .ui input[type=checkbox]{width:20px;height:20px}
.tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}
.tabs button{padding:7px 14px;border-radius:10px;background:var(--bg)}
.tabs button.on{background:var(--accent);color:#fff}
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th,table.t td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:middle}
table.t th{color:var(--muted);font-weight:600;font-size:12.5px}
table.t tr.off td{opacity:.5}
.sect{margin:4px 0 18px}
.sect h3{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;margin:0 0 8px}
.note{font-size:13.5px;color:var(--muted);margin:6px 0}
.okc{color:var(--ok);font-weight:600}
.badc{color:var(--danger);font-weight:600}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--bg);padding:8px 10px;border-radius:8px;word-break:break-all;font-size:13px;user-select:all;-webkit-user-select:all}
.steps{margin:6px 0;padding-left:20px;font-size:14px}
.steps li{margin:4px 0}
.prof{text-align:center;margin-bottom:12px}
.prof .av{margin:0 auto 8px}
.toggle{display:flex;align-items:center;justify-content:space-between;padding:8px 0}

/* просмотр фото/видео */
.viewer{position:fixed;inset:0;background:#000;z-index:200;display:flex;align-items:center;justify-content:center}
.viewer img,.viewer video{max-width:100%;max-height:100%;object-fit:contain}
.viewer .vt{position:absolute;top:calc(8px + var(--safe-t));right:8px;display:flex;gap:6px;z-index:2}
.viewer .vt .ib{background:rgba(0,0,0,.5);color:#fff}

/* звонок */
.call{position:fixed;inset:0;z-index:300;background:#101820;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center}
.call video.rv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.call video.rv.contain{object-fit:contain}
.call video.lv{position:absolute;right:14px;top:calc(14px + var(--safe-t));width:28vw;max-width:180px;border-radius:14px;object-fit:cover;z-index:2;background:#000;box-shadow:0 4px 18px rgba(0,0,0,.5);transform:scaleX(-1)}
.call video.lv.back{transform:none}
.call .ci-info{position:relative;z-index:2;text-align:center;margin-top:-10vh}
.call .ci-info .av{margin:0 auto 14px}
.call .ci-info h2{margin:0 0 6px;font-size:24px}
.call .ci-info p{margin:0;opacity:.8;font-variant-numeric:tabular-nums}
.call.has-video .ci-info{position:absolute;top:calc(16px + var(--safe-t));left:16px;text-align:left;margin:0;text-shadow:0 1px 4px #000}
.call.has-video .ci-info .av{display:none}
.call.has-video .ci-info h2{font-size:18px}
.call .cbar{position:absolute;bottom:calc(30px + var(--safe-b));left:0;right:0;display:flex;justify-content:center;gap:18px;z-index:2;flex-wrap:wrap}
.cb{width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.18);color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column}
.cb svg{width:28px;height:28px}
.cb.off{background:#fff;color:#101820}
.cb.red{background:#e5484d}
.cb.green{background:#22a559}
.cbw{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;opacity:.95}
@keyframes ring{0%,100%{transform:rotate(0)}10%,30%{transform:rotate(-14deg)}20%,40%{transform:rotate(14deg)}50%{transform:rotate(0)}}
.cb.green.ring svg{animation:ring 1.2s infinite}

.toast{position:fixed;left:50%;bottom:calc(90px + var(--safe-b));transform:translateX(-50%);background:#222c;color:#fff;padding:10px 16px;border-radius:12px;z-index:400;font-size:14px;max-width:90vw;text-align:center;pointer-events:none}
.drop{position:absolute;inset:0;background:rgba(31,111,235,.12);border:3px dashed var(--accent);z-index:20;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:var(--accent);pointer-events:none}

@media (max-width:800px){
  .side{width:100%;border-right:0}
  .main{display:none}
  .app.open .side{display:none}
  .app.open .main{display:flex}
  .ch-h .back{display:flex}
  .m{max-width:86%}
  .modal{max-height:calc(var(--app-h) - 20px)}
  .overlay{padding:10px;align-items:flex-end}
  .modal.wide table.t .hm{display:none}
}
.ci-t svg.mi{width:15px;height:15px;opacity:.5}
.touch .bub{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.banner svg.i{width:16px;height:16px;display:inline;vertical-align:-3px}
.m-file .fs{display:block}