:root{
  --bg:#0b1220;--panel:#121a2c;--panel2:#18233b;--line:#25324d;--text:#e8eefc;--mute:#8d9bb8;
  --accent:#19c3d6;--accent2:#0e8fa0;--mine:#0e6f7c;--theirs:#1b2742;--err:#ff6b6b;--ok:#3ddc84;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--text);font:15px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
[hidden]{display:none!important}
button,input{font:inherit;color:inherit}
input{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
input:focus{outline:2px solid var(--accent);outline-offset:0}
button{cursor:pointer;border:0;border-radius:10px;padding:10px 14px;background:var(--panel2)}
button.primary{background:var(--accent);color:#04252a;font-weight:600}
button.ghost{background:transparent;border:1px solid var(--line)}
button.wide{width:100%;margin-top:10px}
button.icon{background:transparent;font-size:20px;padding:6px 10px}
.screen{height:100%}
#login{display:grid;place-items:center;padding:16px;background:radial-gradient(circle at 30% 10%,#10304a,#0b1220 60%)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px;width:100%;max-width:380px}
.logo{font-size:34px;font-weight:800;letter-spacing:.5px}.logo span{color:var(--accent)}.logo sup{font-size:12px;color:var(--mute)}
.tag{color:var(--mute);margin:6px 0 18px}
label{display:block;margin-bottom:12px;color:var(--mute);font-size:13px}
label input{margin-top:4px;color:var(--text)}
.row{display:flex;gap:10px}.row button{flex:1}
.err{color:var(--err);min-height:1.2em;margin:10px 0 0;font-size:13px}
.note{color:var(--mute);font-size:12px}.small{margin-top:14px}

#app{display:flex}
#side{width:340px;max-width:100%;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.me{display:flex;gap:10px;align-items:center;padding:12px;border-bottom:1px solid var(--line)}
.meinfo{flex:1;min-width:0}.meinfo strong{display:block}
.meinfo input{background:transparent;border:0;padding:2px 0;color:var(--mute);font-size:13px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--accent2);display:grid;place-items:center;font-weight:700;flex:none;position:relative;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.dot{position:absolute;right:0;bottom:0;width:11px;height:11px;border-radius:50%;background:#59657f;border:2px solid var(--panel)}
.dot.on{background:var(--ok)}
.search{padding:10px 12px}
#searchResults{padding:0 12px 8px;border-bottom:1px solid var(--line)}
.res{display:flex;align-items:center;gap:10px;padding:8px 0}
.res .grow{flex:1;min-width:0}
.tabs{display:flex;gap:6px;padding:8px 12px}
.tabs button{flex:1;background:transparent;border:1px solid var(--line);padding:7px}
.tabs button.on{background:var(--panel2);border-color:var(--accent)}
#list{list-style:none;margin:0;padding:0;overflow:auto;flex:1}
#list li{display:flex;gap:10px;align-items:center;padding:10px 12px;cursor:pointer;border-bottom:1px solid #1a2540}
#list li:hover,#list li.on{background:var(--panel2)}
.grow{flex:1;min-width:0}.grow .t{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sub{color:var(--mute);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

#main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}
.empty{margin:auto;color:var(--mute)}
#chat{display:flex;flex-direction:column;height:100%;min-height:0}
.chead{display:flex;align-items:center;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);background:var(--panel)}
#back{display:none}.spacer{flex:1}
#msgs{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:6px}
.msg{max-width:min(75%,560px);padding:8px 12px;border-radius:14px;background:var(--theirs);word-wrap:break-word;overflow-wrap:anywhere;white-space:pre-wrap}
.msg.mine{align-self:flex-end;background:var(--mine)}
.msg .who{font-size:12px;color:var(--accent);margin-bottom:2px}
.msg time{display:block;font-size:11px;color:#a6b4cf;margin-top:2px;text-align:right}
.msg.sys{align-self:center;background:transparent;color:var(--mute);font-size:12px}
.typing{height:18px;padding:0 14px;color:var(--mute);font-size:12px}
#composer{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);background:var(--panel);padding-bottom:max(10px,env(safe-area-inset-bottom))}
#emojis{display:flex;flex-wrap:wrap;gap:4px;padding:8px 12px;background:var(--panel);border-top:1px solid var(--line)}
#emojis button{font-size:22px;background:transparent;padding:4px 6px}
.shake{animation:shake .6s}
@keyframes shake{10%,90%{transform:translateX(-4px)}20%,80%{transform:translateX(7px)}30%,50%,70%{transform:translateX(-9px)}40%,60%{transform:translateX(9px)}}
dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:14px;max-width:380px;width:92%}
dialog::backdrop{background:#0009}
dialog menu{display:flex;gap:8px;justify-content:flex-end;padding:0;margin:14px 0 0}
dialog h3{margin:0 0 10px}
.pick{display:flex;gap:8px;align-items:center;padding:4px 0}.pick input{width:auto}

@media(max-width:760px){
  #side{width:100%}
  #app.inchat #side{display:none}
  #app:not(.inchat) #main{display:none}
  #back{display:inline-block}
  .msg{max-width:88%}
}
@media(prefers-reduced-motion:reduce){.shake{animation:none}}
#ringbar{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;gap:12px;align-items:center;justify-content:center;padding:10px;background:#0e6f7c;color:#fff;font-weight:600}
.joinbtn{display:inline-block;background:var(--accent);color:#04252a;padding:7px 14px;border-radius:10px;text-decoration:none;font-weight:700;margin-top:4px}
#ringbar .joinbtn{margin-top:0}
.callcard{display:flex;flex-direction:column;gap:2px}
.repcard{border:1px solid var(--line);border-radius:10px;padding:10px;margin:8px 0}
.repcard p{margin:6px 0}.repcard .ctx{background:var(--panel2);border-radius:8px;padding:6px 8px;margin:6px 0;max-height:140px;overflow:auto}
dialog{max-height:90vh;overflow:auto}

/* emoji picker */
#emojis{display:block;padding:6px 8px;background:var(--panel);border-top:1px solid var(--line)}
.emotabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:4px;overflow-x:auto}
.emotabs button{background:transparent;font-size:20px;padding:4px 8px;border-radius:8px}
.emotabs button.on{background:var(--panel2)}
.emogrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));max-height:190px;overflow:auto}
.emogrid button{font-size:22px;background:transparent;padding:4px;border-radius:8px}
.emogrid button:hover{background:var(--panel2)}
.msg.bigemoji{font-size:34px;line-height:1.2;background:transparent;padding:2px 6px}
.msg.bigemoji time{font-size:11px}
/* photos and files */
.filemsg{min-width:0}
.photo{display:block;max-width:260px;max-height:300px;border-radius:10px;cursor:zoom-in}
.filecard{display:flex;align-items:center;gap:10px;min-width:220px}
.ficon{font-size:26px}
.finfo{flex:1;min-width:0}
.fname{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:190px}

dialog textarea{width:100%;background:var(--panel2);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font:inherit;resize:vertical;margin-top:6px}