:root{
  /* Telegram-стиль демки ermolaevbiz (тёмная, 1:1) */
  --bg:#0E1621; --panel:#17212B; --header:#212D3B; --line:#243140;
  --ai:#212D3B; --me:#2B5278; --txt:#eaf7fb; --muted:#7A8A99; --me-time:#7DAEE0;
  --accent:#22C5E8; --accent2:#69DDEF; --accent-ink:#04121a; --field:#17212B;
}
[data-theme="light"]{
  --bg:#e7ebf0; --panel:#ffffff; --header:#ffffff; --line:#e2e6ea;
  --ai:#ffffff; --me:#cfe8fb; --txt:#0b1622; --muted:#6b7a85; --me-time:#3a86b8;
  --accent:#0E9BC4; --accent2:#0a7ba0; --accent-ink:#ffffff; --field:#f1f4f7;
}
/* Scrollbar */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--muted)}
[data-theme="light"] ::-webkit-scrollbar-thumb{background:#c5cdd6}
[data-theme="light"] ::-webkit-scrollbar-thumb:hover{background:#a0aab3}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
html,body{margin:0;height:100%;overflow-x:hidden;background:#06070A;color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;-webkit-font-smoothing:antialiased}
.screen{height:100dvh;display:flex;flex-direction:column}
.hidden{display:none!important}

/* login */
#login{align-items:center;justify-content:center;background:#06070A}
.login-box{width:100%;max-width:350px;padding:32px 24px;text-align:center}
.logo{font-size:40px;font-weight:800;letter-spacing:-1.5px;color:var(--txt)}
.logo b{color:var(--accent)}
.sub{color:var(--muted);margin:4px 0 28px;font-size:14px}
#pwd,#code,#email{width:100%;padding:15px 16px;border-radius:14px;border:1px solid var(--line);
  background:var(--panel);color:var(--txt);font-size:16px;outline:none}
#pwd:focus,#code:focus,#email:focus{border-color:var(--accent)}
#code{text-align:center;letter-spacing:6px;font-size:22px;font-weight:700}
#loginBtn,#verifyBtn,#tgBtn{width:100%;margin-top:14px;padding:15px;border:none;border-radius:14px;
  background:var(--accent);color:var(--accent-ink);font-size:16px;font-weight:700;cursor:pointer}
#loginBtn:active,#verifyBtn:active,#tgBtn:active{background:var(--accent2)}
.ghost{width:100%;margin-top:10px;padding:12px;border:1px solid var(--line);border-radius:14px;
  background:transparent;color:var(--muted);font-size:15px;cursor:pointer}
.hint{color:var(--muted);font-size:14px;margin:0 0 16px}
.err{color:#ff6b6b;font-size:14px;margin-top:14px;min-height:18px}

/* chat — Telegram look */
#chat{background:#06070A;max-width:560px;margin:0 auto;width:100%;
  border-left:1px solid var(--line);border-right:1px solid var(--line)}
header{display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top));
  background:var(--header);border-bottom:1px solid rgba(0,0,0,.2)}
header .hl{display:flex;align-items:center;gap:10px;min-width:0}
header .back{color:var(--muted);font-size:22px;line-height:1;cursor:default}
.ava{position:relative;width:40px;height:40px;border-radius:50%;overflow:hidden;
  border:1px solid rgba(34,197,232,.4);flex-shrink:0}
.ava img{width:100%;height:100%;object-fit:cover}
.ava .on{position:absolute;bottom:0;right:0;width:11px;height:11px;border-radius:50%;
  background:var(--accent);border:2px solid var(--header)}
header .nm{font-weight:600;font-size:15px;color:var(--txt);line-height:1.15}
header .st{font-size:12px;color:var(--accent)}
header .hr{display:flex;align-items:center;gap:14px;color:var(--muted)}
#themeBtn{background:transparent;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:4px}

#messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;
  background:var(--bg);
  background-image:radial-gradient(circle at 20% 30%, rgba(34,197,232,.04), transparent 40%),
                   radial-gradient(circle at 80% 70%, rgba(34,197,232,.03), transparent 40%)}
.daypill{align-self:center;font-size:11px;padding:4px 12px;border-radius:999px;
  background:rgba(33,45,59,.7);color:var(--muted);margin:6px 0}
.row{display:flex;align-items:flex-end;gap:8px;max-width:88%}
.row.me{align-self:flex-end}
.row.ai{align-self:flex-start}
.row .ava-s{width:28px;height:28px;border-radius:50%;overflow:hidden;flex-shrink:0}
.row .ava-s img{width:100%;height:100%;object-fit:cover}
.bubble{border-radius:16px;padding:7px 11px;line-height:1.38;font-size:14.5px;
  white-space:pre-wrap;word-wrap:break-word;position:relative}
.ai .bubble{background:var(--ai);border-bottom-left-radius:5px;color:var(--txt)}
.me .bubble{background:var(--me);border-bottom-right-radius:5px;color:#fff}
[data-theme="light"] .me .bubble{color:#0b1622}
.bubble .time{font-size:10px;margin-top:3px;text-align:right;color:var(--muted)}
.me .bubble .time{color:var(--me-time)}
.bubble img.thumb{max-width:220px;border-radius:10px;margin-top:6px;display:block}
.bubble .att{display:block;font-size:12.5px;color:var(--muted);margin-top:5px}
.bubble b,.bubble .acc{color:var(--accent);font-weight:600}
.bubble a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;word-break:break-all}
.bubble a:hover{opacity:.8}
.me .bubble a{color:#fff;opacity:.9}
.bubble p{margin:0 0 4px}
.bubble p:last-child{margin-bottom:0}
.typing-row{display:flex;align-items:flex-end;gap:8px;max-width:88%;align-self:flex-start}
.typing-bubble{background:var(--ai);border-radius:16px;border-bottom-left-radius:5px;
  padding:10px 14px;display:flex;align-items:center;gap:5px}
.typing-dot{width:7px;height:7px;border-radius:50%;background:var(--muted);
  animation:tdot 1.2s ease-in-out infinite}
.typing-dot:nth-child(2){animation-delay:.2s}
.typing-dot:nth-child(3){animation-delay:.4s}
@keyframes tdot{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}
.st-dot{display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--accent);
  animation:stdot 1.2s ease-in-out infinite;margin:0 1.5px;vertical-align:middle}
.st-dot:nth-child(2){animation-delay:.2s}
.st-dot:nth-child(3){animation-delay:.4s}
@keyframes stdot{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-3px);opacity:1}}

/* attachments tray */
#tray{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px;background:var(--header)}
#tray:not(:empty){padding:8px 12px}
.chip{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:6px 10px;font-size:13px;max-width:220px;color:var(--txt)}
.chip .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip .x{cursor:pointer;color:var(--muted);font-weight:700}
.chip.up{opacity:.6}

#composer{display:flex;gap:8px;padding:9px 12px;
  padding-bottom:max(9px,env(safe-area-inset-bottom));
  background:var(--header);align-items:flex-end}
#input{flex:1;resize:none;max-height:130px;padding:11px 14px;border-radius:20px;
  border:none;background:var(--panel);color:var(--txt);
  font-size:16px;outline:none;font-family:inherit}
.iconbtn{flex:0 0 44px;height:44px;border:none;border-radius:50%;
  font-size:18px;cursor:pointer;background:transparent;color:var(--muted)}
#sendBtn{background:var(--accent);color:var(--accent-ink)}
#micBtn.rec{color:#ff5b5b}
#recInd{display:none;align-items:center;gap:8px;flex:1;color:#ff5b5b;font-size:14px;padding-left:6px}
#recInd .rd{width:9px;height:9px;border-radius:50%;background:#ff5b5b;animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

#sendBtn.stopping{background:#ff5b5b;color:#fff}

/* кнопка озвучки */
.bubble .time{display:flex;align-items:center;gap:6px;justify-content:flex-end}
.say{background:transparent;border:none;cursor:pointer;font-size:13px;line-height:1;
  padding:0 2px;opacity:.6}
.say:hover{opacity:1}

/* контекстное меню долгого тапа */
#ctx-menu{position:fixed;z-index:9999;background:var(--header);border:1px solid var(--line);
  border-radius:14px;box-shadow:0 8px 32px rgba(0,0,0,.45);overflow:hidden;
  min-width:160px;animation:ctxIn .12s ease}
@keyframes ctxIn{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
.ctx-item{display:flex;align-items:center;gap:10px;padding:13px 16px;font-size:14px;
  color:var(--txt);cursor:pointer;user-select:none;transition:background .1s}
.ctx-item:hover,.ctx-item:active{background:var(--line)}
.ctx-item.danger{color:#ff5b5b}
.ctx-item .ctx-icon{font-size:16px;flex-shrink:0}
#ctx-overlay{position:fixed;inset:0;z-index:9998}
.ava .on.offline{background:#ff5b5b!important}
.reconnect-notice{align-self:center;font-size:12px;color:var(--muted);padding:4px 14px;
  background:rgba(33,45,59,.8);border-radius:999px;margin:2px 0}

.biglink{display:block;width:100%;margin-top:14px;padding:15px;border-radius:14px;background:var(--accent);color:var(--accent-ink);font-size:16px;font-weight:700;text-decoration:none}
#stepChoose #emailToggle{margin-top:12px}