:root{--bg:#111214;--panel:#18191c;--raise:#232529;--line:#2e3035;--text:#f2f2f2;--mute:#9a9da3;--hover:#2d2f34;--sel:#2b2d31;--bad:#ff8a8a;color-scheme:dark}
:root[data-theme=light]{--bg:#f4f5f7;--panel:#fff;--raise:#e9eaee;--line:#d0d3d9;--text:#15161a;--mute:#5f636b;--hover:#dcdee3;--sel:#e2e4e9;--bad:#c62828;color-scheme:light}
*{box-sizing:border-box}[hidden]{display:none!important}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font:15px/1.4 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:var(--text)}
button{background:var(--raise);border:1px solid var(--line);border-radius:10px;padding:8px 16px;cursor:pointer}
button:hover{background:var(--hover)}
input,textarea{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px;outline:0}
input:focus,textarea:focus,button:focus-visible{border-color:#888}
#app{display:grid;grid-template-columns:300px 1fr;height:100%}
#side{display:flex;flex-direction:column;background:var(--panel);border-right:2px solid var(--line);min-height:0}
.prof{display:flex;align-items:center;gap:12px;padding:18px;border-bottom:2px solid var(--line)}
.pfp{flex:none;width:48px;height:48px;border-radius:50%;border:2px solid var(--text);display:grid;place-items:center;font-weight:700;background:var(--raise) center/cover}
.who{min-width:0;flex:1}.who b,.who small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.who small{color:var(--mute);font-size:12px}
.cog{padding:6px 10px;font-size:18px;line-height:1;background:var(--raise);border:1px solid var(--line);border-radius:10px;cursor:pointer}.cog:hover{background:var(--hover)}
.tabs{display:flex;gap:12px;justify-content:center;padding:14px;border-bottom:2px solid var(--line)}
.tabs a{padding:7px 20px;border:2px solid var(--line);border-radius:12px}
.tabs a.on{background:var(--text);color:var(--bg);border-color:var(--text)}
#list{flex:1;overflow:auto;padding:10px;min-height:0}
.item{display:block;width:100%;text-align:left;background:none;border:0;border-radius:8px;padding:10px 12px;margin-bottom:2px}
.item.on{background:var(--sel)}.item small{display:block;color:var(--mute);font-size:12px}
.hint{color:var(--mute);padding:10px 12px}
.foot{display:flex;gap:8px;padding:14px;border-top:2px solid var(--line)}.foot button{flex:1}
#right{display:flex;flex-direction:column;min-width:0;min-height:0}
#top{padding:12px 20px;border-bottom:2px solid var(--line);font-weight:600;min-height:46px;display:flex;gap:12px;align-items:baseline}
#top small{color:var(--mute);font-weight:400}
#row{flex:1;display:flex;min-height:0}
#chan{width:190px;flex:none;border-right:2px solid var(--line);padding:10px;overflow:auto}
#content{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}
.empty{margin:auto;text-align:center;padding:24px}.empty h1{font-size:52px;margin:0 0 8px;letter-spacing:-.02em}.empty p{color:var(--mute);margin:0;font-size:17px}
.msgs{flex:1;overflow:auto;padding:16px 20px}
.msg{display:flex;gap:12px;margin-top:14px}.msg.grp{margin-top:2px}
.msg .body{flex:1;min-width:0}.msg small{color:var(--mute);margin-left:6px;font-size:12px}
.txt{white-space:pre-wrap;overflow-wrap:anywhere}
.pfp.sm{width:40px;height:40px;font-size:15px;border-width:1px;flex:none}
.msg.grp .pfp,.msg.grp .head{display:none}.msg.grp .body{margin-left:52px}
.eu{display:block;color:var(--mute);font-size:12px}.msg:not(.grp) .eu{display:none}
.phead{display:flex;align-items:center;gap:14px}.phead h3{margin:0}
.prow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 0}.prow .note{margin:2px 0 0}
.pfoot{display:flex;justify-content:flex-end}
.send{display:flex;gap:8px;padding:14px;border-top:2px solid var(--line)}.send input{flex:1}
.gate{position:fixed;inset:0;background:var(--bg);display:grid;place-items:center}
.gate form{display:grid;gap:10px;width:min(320px,90vw)}.gate h2{margin:0 0 6px}.gate p{color:var(--mute);margin:0;min-height:1.4em}
@media(max-width:700px){#app{grid-template-columns:1fr;grid-template-rows:42% 1fr}#side{border-right:0;border-bottom:2px solid var(--line)}#chan{width:120px}}

.ctx{position:fixed;z-index:20;background:var(--raise);border:1px solid var(--line);border-radius:10px;padding:4px;box-shadow:0 6px 20px #0008}
.ctx button{display:block;width:150px;text-align:left;background:none;border:0;padding:8px 12px;border-radius:6px}
.ctx button:hover{background:var(--hover)}
.editbox{width:100%}.msg small i{font-style:italic}
#chan .add{color:var(--mute);margin-bottom:8px;border:1px dashed var(--line)}

.danger{color:var(--bad)}
.ban{display:grid;gap:14px;text-align:center;max-width:420px;padding:24px;justify-items:center}.ban h2{margin:0;font-size:32px}.ban p{margin:0;color:var(--mute)}
.ban a{background:var(--text);color:var(--bg);border-radius:10px;padding:10px 20px;font-weight:600}
.set{display:grid;grid-template-columns:240px 1fr;height:100%}
#snav{background:var(--panel);border-right:2px solid var(--line);padding:18px 12px}#snav h3{margin:0 0 14px 12px}
#spane{padding:32px 40px;overflow:auto}#spane>*{max-width:560px}#spane h2{margin:0 0 20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:14px}.card h3{margin:0 0 4px;font-size:16px}
.note{color:var(--mute);font-size:13px;margin:4px 0 10px}
.row{display:flex;align-items:center;gap:16px;justify-content:space-between}.row.l{justify-content:flex-start}
label{display:grid;gap:6px;margin:14px 0;color:var(--mute);font-size:13px}textarea{resize:vertical;font:inherit}
.pfp.big{width:96px;height:96px;font-size:36px}
.sw{appearance:none;-webkit-appearance:none;flex:none;width:46px;height:26px;border-radius:13px;background:var(--line);position:relative;cursor:pointer;border:0;padding:0}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--text);transition:left .15s}
.sw:checked{background:var(--text)}.sw:checked::after{left:23px;background:var(--bg)}
@media(max-width:700px){.set{grid-template-columns:1fr;grid-template-rows:auto 1fr}#snav{display:flex;gap:6px;overflow:auto;border-right:0;border-bottom:2px solid var(--line)}#snav h3{display:none}#snav .item{width:auto;white-space:nowrap}#spane{padding:20px}}

.plus{padding:8px 14px;font-size:18px;line-height:1}
.att{display:block;max-width:min(320px,100%);max-height:320px;border-radius:10px;margin-top:6px}
.txt:empty{display:none}
.modal{position:fixed;inset:0;z-index:30;background:#000a;display:grid;place-items:center}
.pick{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;width:min(560px,92vw);max-height:80vh;display:flex;flex-direction:column;gap:10px}
.pick .grid{overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:6px;min-height:120px;align-content:start;color:var(--mute)}
.pick .grid img{width:100%;height:100px;object-fit:cover;border-radius:8px;cursor:pointer}
.pick small{color:var(--mute)}

div.item{cursor:pointer}.item:not(.on):hover{background:var(--hover)}.item.drag{opacity:.4}
.send.locked{color:var(--mute);justify-content:center;font-size:13px}
.chk{display:flex;align-items:center;gap:10px;color:var(--text);font-size:14px;margin:6px 0}
.chk input{width:18px;height:18px;padding:0;flex:none;accent-color:var(--mute)}
.dlg h3{margin:0}.dlg label{margin:6px 0}.dlg .row{justify-content:flex-end}