:root{
  --bg:#161826; --panel:#1c1e2b; --surface:#232532; --text:#e9e9ed; --muted:#9397ab;
  --line:rgba(233,233,237,.16); --in:#232532; --out:#423a6a; --outText:#e7e5fe;
  --accent:#9184d9; --accent-soft:#d2cefd; --radius:8px;
  --wall:none;
}
body.theme-light{
  --bg:#e4e7f5; --panel:#f3f5fe; --surface:rgba(255,255,255,.75); --text:#292b31; --muted:#595d6c;
  --line:#cfd3e5; --in:#f3f5fe; --out:#d2cefd; --outText:#2b2741; --accent:#796cbf; --accent-soft:#5d5294;
}
body.theme-custom{ --panel:rgba(28,30,43,.88); --surface:rgba(35,37,50,.84); --line:rgba(233,233,237,.22); }

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:Inter,-apple-system,system-ui,"Segoe UI",Roboto,sans-serif;font-size:15px;line-height:1.5;
  color:var(--text);background:var(--bg);background-image:var(--wall);background-size:cover;background-position:center;
  -webkit-tap-highlight-color:transparent;overscroll-behavior:none;
}
#app{height:100%;max-width:520px;margin:0 auto;display:flex;flex-direction:column;position:relative;overflow:hidden}
input,textarea,button{font:inherit;font-family:inherit}
::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:rgba(145,132,217,.35);border-radius:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.screen{flex:1;display:flex;flex-direction:column;min-height:0}
.head{padding:calc(14px + env(safe-area-inset-top)) 16px 10px;background:var(--panel);display:flex;flex-direction:column;gap:10px}
.head-row{display:flex;align-items:center;gap:10px}
.h1{flex:1;font-size:23px;font-weight:500;letter-spacing:-.02em}
.body{flex:1;overflow:auto;padding-bottom:96px}
.kicker{font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding:12px 16px 6px}
.muted{color:var(--muted)}
.small{font-size:11.5px}

.input{width:100%;min-height:38px;padding:8px 10px;color:var(--text);background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);caret-color:var(--accent)}
.input:focus{border-color:var(--accent);outline:none}
textarea.input{resize:none;max-height:110px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;font-size:14px;font-weight:500;
  padding:9px 14px;border-radius:var(--radius);border:1px solid transparent;background:transparent;color:var(--text)}
.btn-primary{color:var(--accent);border-color:var(--accent)}
.btn-primary:hover{background:color-mix(in srgb,var(--accent) 12%,transparent)}
.btn-primary:active{background:color-mix(in srgb,var(--accent) 22%,transparent)}
.btn-secondary{border-color:var(--line)}
.btn-secondary:hover{background:color-mix(in srgb,var(--text) 7%,transparent)}
.btn-block{width:100%}
.ib{cursor:pointer;background:transparent;border:0;color:var(--muted);padding:7px;border-radius:9px;display:flex;align-items:center;justify-content:center}
.ib:hover{background:color-mix(in srgb,var(--accent) 16%,transparent)}
.row{display:flex;align-items:center;gap:12px;padding:11px 16px;cursor:pointer}
.row:hover{background:color-mix(in srgb,var(--accent) 10%,transparent)}
.av{width:36px;height:36px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--surface);color:var(--muted);font-size:12px}
.av.sq{border-radius:9px;background:#2b2741;color:#b5abfc}
.grow{flex:1;min-width:0}
.ell{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{min-width:19px;height:19px;padding:0 5px;border-radius:10px;background:var(--accent);color:#161826;font-size:11px;
  display:flex;align-items:center;justify-content:center}
.card{background:var(--surface);border-radius:10px;padding:12px}
.pill{cursor:pointer;font-size:11.5px;padding:4px 10px;border-radius:8px;border:1px solid var(--line);color:var(--muted)}
.pill:hover{background:color-mix(in srgb,var(--accent) 16%,transparent)}
.pill.on{border-color:var(--accent);color:var(--accent-soft);background:color-mix(in srgb,var(--accent) 14%,transparent)}

.tabs{position:absolute;left:0;right:0;bottom:0;display:flex;padding:8px 12px calc(10px + env(safe-area-inset-bottom));
  background:var(--panel);border-top:1px solid var(--line)}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:5px 0;border-radius:9px;color:var(--muted);cursor:pointer;position:relative}
.tab.on{color:var(--accent)}
.tab .ic{font-size:17px;line-height:1}
.tab .lb{font-size:10.5px}
.tab .badge{position:absolute;top:-2px;right:22%}

.chat-head{padding:calc(10px + env(safe-area-inset-top)) 10px 10px;display:flex;align-items:center;gap:8px;
  background:var(--panel);border-bottom:1px solid var(--line)}
.msgs{flex:1;overflow:auto;padding:14px 12px 8px;display:flex;flex-direction:column;gap:10px}
.m{display:flex;flex-direction:column;gap:3px}
.m.mine{align-items:flex-end}
.bubble{max-width:82%;border-radius:12px;padding:8px 10px;font-size:14px;line-height:1.45;background:var(--in);white-space:pre-wrap;word-break:break-word}
.m.mine .bubble{background:var(--out);color:var(--outText)}
.m .author{font-size:10.5px;color:var(--muted);padding:0 6px}
.m .meta{display:flex;gap:7px;justify-content:flex-end;font-size:10px;opacity:.65;margin-top:3px}
.m .acts{display:flex;gap:5px;padding:0 4px;flex-wrap:wrap;align-items:center}
.m .acts .ib{font-size:10.5px;padding:2px 5px}
.reaction{cursor:pointer;font-size:11px;padding:1px 7px;border-radius:9px;border:1px solid var(--line);background:var(--surface)}
.reaction.on{border-color:var(--accent)}
.quote{border-left:2px solid var(--accent);padding:2px 0 2px 7px;margin-bottom:5px;font-size:11.5px;opacity:.85}
.quote b{color:#b5abfc;font-weight:500;display:block}
.photo{cursor:zoom-in;width:220px;max-width:100%;height:150px;border-radius:8px;margin-bottom:5px;background:#292b31 center/cover no-repeat}
.system{align-self:center;max-width:88%;text-align:center;font-size:11.5px;color:var(--muted);background:var(--surface);border-radius:10px;padding:7px 11px}
.system .photo{width:150px;height:100px;margin:6px auto 0}
.task{border:1px solid var(--accent);border-radius:9px;padding:8px 9px;margin-bottom:6px;display:flex;flex-direction:column;gap:5px}
.task.done{border-color:var(--line)}
.task .lbl{font-size:9.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent-soft)}
.task .st{font-size:10px;padding:1px 7px;border-radius:7px;border:1px solid currentColor;color:var(--accent-soft)}
.task.done .lbl,.task.done .st{color:var(--muted)}
.task .ttl{font-size:13.5px}
.task .close{margin-top:2px;text-align:center;font-size:12.5px;padding:7px 0;border-radius:8px;border:1px solid var(--accent);color:var(--accent-soft);cursor:pointer}
.composer{display:flex;align-items:flex-end;gap:5px;padding:8px 10px calc(10px + env(safe-area-inset-bottom));
  background:var(--panel);border-top:1px solid var(--line)}
.emoji{display:flex;flex-wrap:wrap;gap:2px;padding:8px 10px;max-height:180px;overflow:auto;background:var(--panel);border-top:1px solid var(--line)}
.emoji div{font-size:21px;padding:3px 5px;border-radius:8px;cursor:pointer}
.emoji div:hover{background:color-mix(in srgb,var(--accent) 16%,transparent)}
.replybar{display:flex;align-items:center;gap:8px;padding:7px 12px;background:var(--panel);border-top:1px solid var(--line);font-size:11.5px;color:var(--muted)}

.overlay{position:absolute;inset:0;z-index:80;background:rgba(15,17,25,.86);display:flex}
.sheet{width:100%;align-self:flex-end;max-height:86%;overflow:auto;border-radius:16px 16px 0 0;padding:16px 16px calc(20px + env(safe-area-inset-bottom));
  background:var(--panel);display:flex;flex-direction:column;gap:10px;animation:up .18s ease-out}
@keyframes up{from{transform:translateY(16px);opacity:0}to{transform:none;opacity:1}}
.sheet h3{margin:0;font-size:17px;font-weight:500}
.center{margin:auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;padding:30px}
.toast{position:absolute;left:16px;right:16px;bottom:92px;z-index:95;padding:10px 12px;border-radius:10px;background:#232532;color:#e9e9ed;
  font-size:12.5px;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.err{font-size:12px;color:#d2cefd;background:#423a6a;border-radius:8px;padding:8px 10px}
.login{flex:1;overflow:auto;display:flex;flex-direction:column;padding:calc(40px + env(safe-area-inset-top)) 26px 30px;gap:6px}
.logo{width:36px;height:36px;border-radius:10px;border:1px solid var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.logo i{width:13px;height:13px;border-radius:3px;background:var(--accent);display:block}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
.dots span{width:5px;height:5px;border-radius:50%;background:currentColor;display:inline-block;animation:dp 1.2s infinite}
.dots span:nth-child(2){animation-delay:.15s}.dots span:nth-child(3){animation-delay:.3s}
@keyframes dp{0%,60%,100%{opacity:.25}30%{opacity:1}}