*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:#151820;color:#e5e7ec;font:16px system-ui}button,input,textarea{font:inherit}button,a.login{min-height:44px;border:0;border-radius:12px;background:#252a35;color:inherit;padding:10px 14px;cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible,textarea:focus-visible,input:focus-visible{outline:2px solid #b8c4ff}main{height:100dvh;display:flex}aside{width:280px;flex:none;background:#101219;padding:20px 14px;display:flex;flex-direction:column;gap:14px;border-right:1px solid #292c35;z-index:20}.brand{font-size:22px;padding:4px 10px}.brand span{display:block;font-size:12px;color:#949aab;margin:5px 26px}.new{background:#313745}.section{color:#939bad;font-size:11px;letter-spacing:1.5px;display:flex;align-items:center;justify-content:space-between;margin:8px}.section button{font-size:20px;background:none}nav{overflow:auto}nav button{display:block;width:100%;text-align:left;margin-bottom:4px;background:none}small{display:block;color:#9ca3b5;font-size:12px;margin-top:5px}.selected{background:#282e3b!important}.bottom{margin-top:auto}.chat{flex:1;min-width:0;display:flex;flex-direction:column}header{height:76px;display:flex;align-items:center;gap:16px;padding:14px 24px;border-bottom:1px solid #252a33;background:#151820dd}header button{background:none;font-size:22px}.status{margin-left:auto;font-size:12px;color:#91b5a5}.welcome{margin:auto;text-align:center;padding:24px;max-width:580px}.star{font-size:70px;color:#adb9dc}h1{font-size:32px;font-weight:500}.welcome p{color:#a3a9b9}.login{display:inline-block;text-decoration:none;margin:20px}.messages{overflow:auto;flex:1;padding:30px max(24px,calc((100% - 800px)/2));overscroll-behavior:contain}article{margin:0 0 30px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}article small{margin-bottom:10px}article.user{background:#242a35;border-radius:18px;padding:14px 18px;margin-left:12%}footer{padding:10px max(24px,calc((100% - 800px)/2)) max(14px,env(safe-area-inset-bottom))}.composer{display:flex;gap:8px;border:1px solid #3d4557;border-radius:20px;padding:12px;background:#222733;align-items:flex-end}textarea{resize:none;border:0;background:none;color:inherit;min-height:60px;flex:1;width:100%;outline:none}.composer button:last-child{background:#c4cef0;color:#181d2b}.hint{font-size:11px;color:#939aac;text-align:center;margin-top:8px}.alert{background:#3d2f2b;color:#e9c7b3;padding:12px;font-size:13px;overflow-wrap:anywhere}.empty{text-align:center;color:#949bad}form{display:grid;gap:8px}input{min-height:44px;border:1px solid #42495b;background:#202531;color:inherit;border-radius:8px;padding:8px}.attachment-preview{display:block;max-width:100%;width:auto;max-height:160px;object-fit:contain;border-radius:10px}.attachment-panel{max-height:40dvh;overflow:auto;padding:12px;background:#202531;border-radius:12px}.attachment{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:8px}.attachment a,.attachment-panel a{color:#c4cef0;overflow-wrap:anywhere}.attachment-panel input{max-width:100%}.veil{display:none}@media(max-width:760px){aside{position:fixed;left:-280px;top:0;height:100dvh;transition:left .18s}aside.open{left:0}.veil{display:block;position:fixed;inset:0 0 0 280px;background:#0008;border-radius:0;z-index:15}header{height:66px;padding:10px 12px;gap:10px}.status{font-size:10px}.messages{padding:22px 16px}footer{padding:8px 12px max(12px,env(safe-area-inset-bottom))}h1{font-size:27px}.composer{padding:8px}.welcome{padding:18px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}