:root{color-scheme:dark;--bg:#070b12;--panel:#0d1420e8;--line:#213147;--text:#dbe8f7;--muted:#7890aa;--cyan:#20e3c2;--blue:#398cff;--danger:#ff577f}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% -10%,#12365a 0,transparent 38%),var(--bg);color:var(--text);font:14px/1.45 Inter,ui-sans-serif,system-ui,sans-serif;min-height:100dvh}.grid-bg{position:fixed;inset:0;pointer-events:none;opacity:.15;background-image:linear-gradient(#2c5273 1px,transparent 1px),linear-gradient(90deg,#2c5273 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 80%)}.glass{background:var(--panel);border:1px solid var(--line);box-shadow:0 22px 60px #0008;backdrop-filter:blur(18px)}.hidden{display:none!important}.login-shell{min-height:100dvh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);padding:34px;border-radius:18px}.brand{display:flex;align-items:center;gap:12px;letter-spacing:.13em}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--cyan);color:var(--cyan);font-size:20px;box-shadow:inset 0 0 18px #20e3c233,0 0 22px #20e3c222}.brand small{display:block;color:var(--muted);font-size:10px;margin-top:2px}.login-card .brand{margin-bottom:30px}label{display:grid;gap:7px;color:var(--muted);margin:14px 0}input,textarea{width:100%;border:1px solid var(--line);background:#070c14;color:var(--text);border-radius:9px;padding:12px;outline:none}input:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #20e3c219}button{border:0;border-radius:9px;padding:11px 17px;background:linear-gradient(135deg,var(--cyan),#29a9ff);color:#031014;font-weight:750;cursor:pointer;transition:.18s transform,.18s filter}button:hover{filter:brightness(1.1)}button:active{transform:scale(.97)}.login-card>button{width:100%;margin-top:12px}.ghost,.icon-btn{background:#111d2b;color:var(--text);border:1px solid var(--line)}.error{color:var(--danger);min-height:20px}.app{width:min(1500px,100%);margin:auto;padding:14px;height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:12px}.topbar{display:flex;align-items:center;gap:14px;padding:11px 14px;border-radius:14px}.topbar .status{margin-left:auto;display:flex;gap:8px;align-items:center;color:var(--muted)}#status-dot{width:9px;height:9px;border-radius:50%;background:var(--danger);box-shadow:0 0 12px currentColor}#status-dot.open{background:var(--cyan)}.workspace{display:grid;grid-template-columns:370px 1fr;min-height:0;height:auto;border-radius:14px;overflow:hidden}.sidebar{border-right:1px solid var(--line);display:grid;grid-template-rows:auto auto 1fr;min-height:0}.tabs{display:flex;padding:12px;gap:7px}.tab{flex:1;padding:8px;background:#111d2b;color:var(--muted);border:1px solid transparent}.tab.active{color:var(--cyan);border-color:#20e3c255}.search{margin:0 12px 10px;width:calc(100% - 24px)}.entity-list{overflow:auto;padding:0 8px 14px}.entity{display:flex;gap:12px;align-items:center;width:100%;padding:12px;background:transparent;color:var(--text);text-align:left;border-bottom:1px solid #172435;border-radius:0}.entity:hover,.entity.active{background:#132234}.avatar{display:grid;place-items:center;flex:0 0 39px;height:39px;border-radius:50%;background:#173047;color:var(--cyan)}.entity-meta{min-width:0}.entity-meta b,.entity-meta small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.entity-meta small{color:var(--muted);font-weight:400}.conversation{min-width:0;position:relative}.empty{height:100%;display:grid;place-content:center;text-align:center;color:var(--muted)}.empty span{font-size:58px;color:var(--cyan)}.empty h2{color:var(--text);margin-bottom:0}.thread{height:100%;display:grid;grid-template-rows:auto 1fr auto}.thread-head{padding:15px 18px;border-bottom:1px solid var(--line)}.thread-head h2{margin:0}.thread-head small{color:var(--muted)}.messages{overflow:auto;padding:18px;display:flex;flex-direction:column;gap:9px}.bubble{max-width:min(72%,650px);padding:10px 13px;border-radius:13px 13px 13px 3px;background:#142234;align-self:flex-start;white-space:pre-wrap;overflow-wrap:anywhere}.bubble.me{align-self:flex-end;background:#0d4b49;border-radius:13px 13px 3px 13px}.bubble time{display:block;color:#82a29e;font-size:10px;text-align:right;margin-top:5px}.composer{display:flex;gap:10px;padding:12px;border-top:1px solid var(--line);background:#09101a}.composer textarea{resize:none;max-height:140px}.composer button{align-self:end}footer{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;padding:0 5px}dialog{border:1px solid var(--line);border-radius:16px;background:#0d1420;color:var(--text);padding:0;box-shadow:0 30px 90px #000}dialog::backdrop{background:#02050acc;backdrop-filter:blur(4px)}.confirm-card{padding:24px;width:min(430px,calc(100vw - 32px))}.confirm-card h3{margin-top:0}.confirm-card p{color:var(--muted);margin-bottom:4px}.confirm-card blockquote{margin:4px 0 22px;padding:12px;border-left:2px solid var(--cyan);background:#09111c;max-height:180px;overflow:auto}.confirm-card>div{display:flex;justify-content:flex-end;gap:9px}.toast{position:fixed;right:18px;bottom:18px;padding:11px 15px;background:#132334;border:1px solid var(--cyan);border-radius:9px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:none}@media(max-width:760px){.app{padding:0;gap:0}.topbar{border-radius:0}.topbar .brand small,.topbar .ghost{display:none}.workspace{height:calc(100dvh - 64px);border-radius:0;grid-template-columns:1fr}.sidebar{border:0}.conversation{position:fixed;inset:64px 0 0;background:var(--bg);z-index:5;display:none}.conversation.mobile-open{display:block}.bubble{max-width:88%}footer{display:none}}