:root{--bg:#fafafa;--s1:#f3f3f3;--s2:#ebebeb;--s3:#e0e0e0;--fg:#1a1a1a;--fg2:#5e5e5e;--pri:#1a1a1a;--onpri:#fafafa;--ol:#bdbdbd;--scrim:rgba(0,0,0,.4);--sh:0 1px 3px rgba(0,0,0,.2),0 4px 12px rgba(0,0,0,.12);box-sizing:border-box;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#121212;--s1:#1a1a1a;--s2:#232323;--s3:#2e2e2e;--fg:#ececec;--fg2:#a3a3a3;--pri:#ececec;--onpri:#121212;--ol:#4a4a4a;--scrim:rgba(0,0,0,.6);--sh:0 1px 3px rgba(0,0,0,.6),0 4px 12px rgba(0,0,0,.5);color-scheme:dark}}
:root[data-theme="dark"]{--bg:#121212;--s1:#1a1a1a;--s2:#232323;--s3:#2e2e2e;--fg:#ececec;--fg2:#a3a3a3;--pri:#ececec;--onpri:#121212;--ol:#4a4a4a;--scrim:rgba(0,0,0,.6);--sh:0 1px 3px rgba(0,0,0,.6),0 4px 12px rgba(0,0,0,.5);color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--fg);font:400 16px/24px Roboto,system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--fg);outline-offset:2px}
svg{display:block;flex:none}
.app{display:flex;height:100%}
.rp{position:relative;overflow:hidden;-webkit-tap-highlight-color:transparent}
.rp::after{content:"";position:absolute;inset:0;background:currentColor;opacity:0;transition:opacity .15s;pointer-events:none}
.rp:hover::after{opacity:.08}.rp:active::after{opacity:.12}
.rp .r{position:absolute;border-radius:50%;background:currentColor;opacity:.16;transform:scale(0);animation:rip .55s ease-out forwards;pointer-events:none}
@keyframes rip{to{transform:scale(1);opacity:0}}
.ib{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:var(--fg2)}
.ib:hover{color:var(--fg)}
.tb{height:40px;padding:0 24px;border-radius:20px;font-weight:500;font-size:14px}
.tb.fill{background:var(--pri);color:var(--onpri)}
#side{width:240px;flex:none;background:var(--s1);display:flex;flex-direction:column;padding:14px 12px;gap:8px;transition:margin .25s cubic-bezier(.2,0,0,1),transform .25s cubic-bezier(.2,0,0,1);overflow:hidden}
body:not(.nav) #side{margin-left:-240px}
.side-logo{display:flex;align-items:center;justify-content:center;padding:4px 0 6px}
.side-logo img{max-width:130px;height:auto;max-height:26px;object-fit:contain}
.newc{height:42px;border-radius:12px;background:var(--s3);display:flex;align-items:center;gap:10px;padding:0 14px;font-size:14px;font-weight:500}
.search{display:flex;align-items:center;gap:8px;height:40px;border-radius:12px;background:var(--s2);padding:0 12px;font-size:14px;color:var(--fg2)}
.search input{flex:1;min-width:0;border:0;background:none;outline:0;color:var(--fg)}
.search:focus-within{box-shadow:inset 0 0 0 2px var(--fg)}
#list{flex:1;overflow:auto;margin:0 -4px;padding:0 4px}
.lab{font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--fg2);padding:12px 12px 4px}
.ci{display:flex;align-items:center;gap:4px;height:48px;padding:0 4px 0 16px;border-radius:24px;cursor:pointer;color:var(--fg2)}
.ci .t{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}
.ci.on{background:var(--s3);color:var(--fg);font-weight:500}
.ci .ib{width:36px;height:36px}
.ci .pin{color:var(--fg2)}
.none{padding:24px 12px;font-size:14px;color:var(--fg2)}
#scrim{position:fixed;inset:0;background:var(--scrim);opacity:0;pointer-events:none;transition:opacity .25s;z-index:20}
main{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg);position:relative}
.bar{display:flex;align-items:center;gap:4px;height:64px;padding:0 8px;flex:none}
.bar h1{flex:1;min-width:0;margin:0 8px;font-size:18px;line-height:24px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}
.chip{max-width:55vw;height:32px;border-radius:8px;border:1px solid var(--ol);padding:0 8px 0 12px;display:flex;align-items:center;gap:4px;font-size:13px;font-weight:500}
#scroller{flex:1;overflow:auto;scroll-behavior:auto}
.col{max-width:760px;margin:0 auto;padding:8px 16px 24px}
#empty{max-width:760px;margin:0 auto;padding:12vh 24px 0}
#empty h2{font-size:clamp(28px,5vw,44px);line-height:1.2;font-weight:400;letter-spacing:-.01em;margin:0 0 8px}
#empty p{margin:0 0 28px;color:var(--fg2)}
.sug{display:flex;flex-wrap:wrap;gap:8px}
.sug button{height:40px;padding:0 16px;border-radius:8px;border:1px solid var(--ol);font-size:14px;font-weight:500}
.m{display:flex;margin:20px 0;gap:12px}
.m.u{flex-direction:column;align-items:flex-end;gap:2px}
.bub{max-width:85%;background:var(--s3);padding:12px 16px;border-radius:20px 20px 4px 20px;overflow-wrap:anywhere}
.av{width:32px;height:32px;border-radius:50%;background:var(--pri);color:var(--onpri);display:grid;place-items:center;margin-top:2px}
.m.a .body{flex:1;min-width:0}
.acts{display:flex;gap:0;opacity:0;transition:opacity .15s;margin-left:-8px}
.m.u .acts{margin:0 -8px 0 0}
.m:hover .acts,.m:focus-within .acts{opacity:1}
@media (hover:none){.acts{opacity:1}}
.busy .m:last-child .acts{visibility:hidden}
.acts .ib{width:36px;height:36px}
.thk{margin:0 0 12px;background:var(--s2);border-radius:12px;padding:8px 12px;font-size:13px;border-left:3px solid var(--ol)}
.thk summary{cursor:pointer;font-weight:500;color:var(--fg2);user-select:none;outline:0}
.thk summary:hover{color:var(--fg)}
.thk-txt{margin-top:8px;white-space:pre-wrap;font:400 12px/1.5 "Roboto Mono",monospace;color:var(--fg2);max-height:240px;overflow:auto}
.err-box{padding:10px 14px;border-radius:12px;background:var(--s2);color:#d32f2f;display:flex;align-items:center;gap:12px;font-size:14px;margin-bottom:8px}
.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}
.md{line-height:1.65;overflow-wrap:anywhere}
.md p{margin:0 0 12px}
.md h2,.md h3,.md h4,.md h5{margin:20px 0 8px;line-height:1.3;font-weight:500}
.md h2{font-size:22px}.md h3{font-size:19px}.md h4,.md h5{font-size:16px}
.md ul,.md ol{margin:0 0 12px;padding-left:24px}.md li{margin:2px 0}
.md blockquote{margin:0 0 12px;padding:4px 16px;border-left:3px solid var(--ol);color:var(--fg2)}
.md a{color:var(--fg);text-underline-offset:3px}
.md code{font:400 .875em "Roboto Mono",monospace;background:var(--s2);padding:2px 6px;border-radius:6px}
.code{border-radius:16px;background:var(--s1);margin:0 0 12px;overflow:hidden;border:1px solid var(--s3)}
.code-h{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 4px 16px;background:var(--s2);font-size:12px;color:var(--fg2)}
.copy-code{height:28px;padding:0 12px;border-radius:14px;font-size:12px;font-weight:500;color:var(--fg)}
.code pre{margin:0;padding:14px 16px;overflow-x:auto}
.md .code code{background:none;padding:0;font-size:13.5px;line-height:1.6;border-radius:0}
table{border-collapse:collapse;width:100%;margin:0 0 12px;font-size:14px}
th,td{border:1px solid var(--ol);padding:6px 10px;text-align:left}
th{background:var(--s2);font-weight:500}
.dots i{display:inline-block;width:6px;height:6px;margin:10px 3px;border-radius:50%;background:var(--fg2);animation:bn 1.2s infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes bn{0%,60%,100%{opacity:.3;transform:none}30%{opacity:1;transform:translateY(-4px)}}
.edit{width:100%;max-width:560px}
.edit textarea{width:100%;min-height:96px;resize:vertical;border-radius:16px;border:2px solid var(--fg);background:var(--s1);padding:12px 16px;outline:0}
.edit .row{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}
.msg-att{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.msg-att img{max-width:240px;max-height:180px;border-radius:12px;border:1px solid var(--ol);object-fit:cover;cursor:pointer}
.msg-att .doc{display:flex;align-items:center;gap:6px;background:var(--s2);padding:6px 12px;border-radius:8px;font-size:12px;border:1px solid var(--ol)}
.tray-files{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.attachment{display:inline-flex;align-items:center;gap:8px;background:var(--s1);border:1px solid var(--ol);border-radius:12px;padding:4px 8px;font-size:12px;max-width:260px;position:relative}
.m.u .attachment{background:var(--s2)}
.attachment img{width:36px;height:36px;border-radius:8px;object-fit:cover;flex:none;background:var(--s2);cursor:pointer}
.attachment-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:var(--fg)}
.attachment .ib{width:28px;height:28px;flex:none}
.attachment-status{font-size:12px;color:var(--fg2);padding:4px 8px;align-self:center}
.comp{flex:none;padding:0 16px 12px;position:relative}
.att-tray{max-width:760px;margin:0 auto 8px;display:flex;flex-wrap:wrap;gap:8px}
.att-pill{display:flex;align-items:center;gap:6px;background:var(--s2);border:1px solid var(--ol);border-radius:12px;padding:4px 8px;font-size:12px}
.att-pill img{width:28px;height:28px;border-radius:6px;object-fit:cover}
.att-pill .del-att{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:var(--fg2)}
.att-pill .del-att:hover{color:var(--fg)}
.box{max-width:760px;margin:0 auto;background:var(--s2);border-radius:28px;padding:6px 8px 6px 12px;display:flex;align-items:flex-end;gap:6px;transition:box-shadow .15s}
.box:focus-within{box-shadow:inset 0 0 0 2px var(--fg)}
.box textarea{flex:1;min-width:0;border:0;background:none;outline:0;resize:none;max-height:200px;padding:10px 0;line-height:24px}
.box textarea::placeholder{color:var(--fg2)}
#send,#clip{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:none}
#send{background:var(--pri);color:var(--onpri)}
#clip{color:var(--fg2)}
#clip:hover{color:var(--fg);background:var(--s3)}
#send:disabled{background:var(--s3);color:var(--fg2);cursor:default}
#send:disabled::after{display:none}
.hint{max-width:760px;margin:6px auto 0;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--fg2);padding:0 20px}
.ctx-group{display:flex;align-items:center;gap:8px}
.meter-pill{font-size:11px;font-weight:500;padding:2px 8px;border-radius:10px;background:var(--s3);color:var(--fg2)}
#jump{position:absolute;left:50%;top:-52px;transform:translateX(-50%);height:40px;padding:0 16px 0 12px;border-radius:20px;background:var(--s3);box-shadow:var(--sh);display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;z-index:20;cursor:pointer}
#jump:hover{background:var(--s2)}
.drop-overlay{position:absolute;inset:0;background:var(--scrim);display:none;place-items:center;z-index:40;border:3px dashed var(--fg);border-radius:20px;margin:8px;color:var(--bg);font-size:18px;font-weight:500;backdrop-filter:blur(2px)}
main.dragover .drop-overlay{display:grid}
.menu{position:fixed;z-index:50;min-width:240px;background:var(--s2);border-radius:12px;padding:8px 0;box-shadow:var(--sh);max-height:80vh;overflow:auto}
.menu button{display:flex;align-items:center;gap:12px;width:100%;height:44px;padding:0 16px;text-align:left;font-size:14px}
.menu button:hover{background:var(--s3)}
.menu-search{width:calc(100% - 16px);margin:4px 8px 8px;padding:6px 10px;border-radius:8px;border:1px solid var(--ol);background:var(--s1);color:var(--fg);font-size:13px;outline:0}
.menu button span:nth-child(2){flex:1}
.menu .sec{font-size:11px;font-weight:700;color:var(--fg2);text-transform:uppercase;letter-spacing:.05em;padding:8px 16px 2px}
.menu .sp{width:20px}
.menu hr{border:0;border-top:1px solid var(--ol);margin:6px 0;opacity:.5}
dialog{max-height:calc(100vh - 32px);overflow:auto;border:0;border-radius:28px;background:var(--s2);color:var(--fg);padding:24px;width:calc(100vw - 32px);max-width:560px;box-shadow:var(--sh)}
dialog::backdrop{background:var(--scrim)}
dialog h3{margin:0 0 8px;font-size:24px;line-height:32px;font-weight:400}
dialog p{margin:0 0 16px;color:var(--fg2);font-size:14px}
dialog select.f option{background:var(--s2);color:var(--fg)}.fld{display:grid;gap:12px;margin-top:12px}.fld .tb{border:1px solid var(--ol)}.fld .btns{display:flex;gap:8px;flex-wrap:wrap}#pvl{max-height:150px;overflow:auto}#pvl:empty{display:none}#tl{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
dialog textarea,dialog .f{width:100%;border-radius:12px;border:1px solid var(--ol);background:transparent;padding:12px 16px;outline:0}
dialog textarea{min-height:140px;resize:vertical}
dialog textarea:focus,dialog .f:focus{border-color:var(--fg);box-shadow:0 0 0 1px var(--fg)}
dialog .row{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}
.limit-box{background:var(--s1);border:1px solid var(--ol);border-radius:12px;padding:12px 16px}
.limit-row{display:flex;justify-content:space-between;font-size:13px;font-weight:500;margin-bottom:6px}
.limit-box input[type="range"]{width:100%;accent-color:var(--fg)}
#pal{margin-top:10vh;padding:12px;border-radius:28px}
#pq{width:100%;height:48px;border:0;border-radius:24px;background:var(--s3);padding:0 20px;outline:0}
#pl{max-height:50vh;overflow:auto;margin-top:8px}
#pl button{display:flex;align-items:center;gap:12px;width:100%;height:48px;padding:0 16px;border-radius:24px;text-align:left;font-size:14px}
#pl button.sel{background:var(--s3)}
#pl button small{margin-left:auto;color:var(--fg2)}
#snack{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translate(-50%,24px);opacity:0;pointer-events:none;transition:.2s;background:var(--fg);color:var(--bg);border-radius:8px;min-height:48px;padding:0 8px 0 16px;display:flex;align-items:center;gap:8px;font-size:14px;z-index:60;box-shadow:var(--sh);max-width:calc(100vw - 32px)}
#snack.on{opacity:1;transform:translate(-50%,0);pointer-events:auto}
#snack button{height:36px;padding:0 12px;border-radius:18px;font-weight:500;color:inherit;text-decoration:underline}
@media (max-width:840px){
#side{position:fixed;z-index:30;top:0;bottom:0;left:0;width:min(320px,86vw);margin:0!important;transform:translateX(-100%);border-radius:0 24px 24px 0;box-shadow:var(--sh)}
body.nav #side{transform:none}
body.nav #scrim{opacity:1;pointer-events:auto}
.hint span:last-child{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}