:root{--bg:#090b13;--panel:#111522;--panel2:#171c2c;--line:#262d42;--text:#f4f5fb;--muted:#8d95ac;--accent:#8166ff;--accent2:#30c5ff;--danger:#ff5975;--shadow:0 30px 90px #0008}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}button,input,textarea,select{font:inherit;color:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 50%,#211a48 0,#0c1020 35%,#070910 72%)}.login-shell:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#ffffff07 1px,transparent 1px),linear-gradient(90deg,#ffffff07 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(circle,#000,transparent 72%)}.ambient{position:absolute;width:42vw;height:42vw;border-radius:50%;filter:blur(120px);opacity:.2}.a1{background:#5456ff;left:-15%;top:-20%}.a2{background:#ff4c91;right:-20%;bottom:-25%}.top{position:absolute;z-index:2;top:0;left:0;right:0;padding:28px 42px;display:flex;justify-content:space-between}.brand{font-weight:900;font-size:20px;letter-spacing:-.5px}.brand span{color:var(--accent);margin-left:4px}.icon-btn,.top select{border:1px solid var(--line);background:#111522aa;border-radius:10px;padding:9px 12px}.login-card{z-index:2;width:min(430px,calc(100vw - 34px));padding:38px;background:linear-gradient(150deg,#171c2dee,#0f1320ee);border:1px solid #343b55;border-radius:26px;box-shadow:var(--shadow);backdrop-filter:blur(20px);text-align:center}.logo,.mark{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 20px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:17px;font-weight:900;font-size:25px;box-shadow:0 12px 35px #765dff55}.eyebrow{color:#9f8fff;font-size:11px;font-weight:800;letter-spacing:2px}.login-card h1{font-size:31px;margin:10px 0}.login-card p,dialog p{color:var(--muted);line-height:1.55;margin:0 0 26px}.login-card label,dialog label{display:block;text-align:left;font-weight:700;margin:15px 0 7px}.login-card input,dialog input,.search input,textarea{width:100%;border:1px solid var(--line);background:#0c101b;padding:13px 14px;border-radius:11px;outline:none}.login-card input:focus,dialog input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #8166ff20}.primary{width:100%;border:0;padding:14px;background:linear-gradient(90deg,var(--accent),#5d82ff);border-radius:11px;font-weight:800;margin-top:18px;cursor:pointer}.login-card small{display:block;color:#687089;margin-top:22px}.app{height:100vh;display:flex}.rail{width:82px;background:#0c0f19;border-right:1px solid var(--line);padding:18px 10px;display:flex;flex-direction:column;align-items:center;gap:10px}.mark{width:44px;height:44px;font-size:19px;border-radius:14px;margin:0 0 22px}.rail-btn{width:62px;border:0;background:transparent;color:var(--muted);padding:10px 4px;border-radius:12px;cursor:pointer;font-size:18px}.rail-btn span{display:block;font-size:10px;margin-top:5px}.rail-btn.active,.rail-btn:hover{background:#8066ff20;color:#aa9cff}.rail-bottom{margin-top:auto}.workspace{min-width:0;flex:1;display:flex;flex-direction:column;background:linear-gradient(140deg,#0d101a,#0a0d15)}.bar{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:#0e121dcc}.account-switch{position:relative}.account-switch>button{display:flex;gap:11px;align-items:center;border:0;background:transparent;text-align:left;cursor:pointer}.account-switch button>span:first-child{width:40px;height:40px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,var(--accent),var(--accent2));font-weight:900}.account-switch small{display:block;color:var(--muted);margin-top:3px}.account-switch i{margin-left:10px}.menu{position:absolute;top:56px;left:0;z-index:10;width:270px;padding:8px;background:var(--panel2);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.menu button{width:100%;border:0;background:transparent;padding:11px;border-radius:9px;text-align:left;cursor:pointer}.menu button:hover{background:#ffffff09}.bar-actions{display:flex;align-items:center;gap:12px}.bar-actions button{border:1px solid var(--line);background:var(--panel2);padding:9px 13px;border-radius:10px;cursor:pointer}.bar-actions span{color:var(--muted);font-size:12px}.view{flex:1;min-height:0}.messenger{display:grid;grid-template-columns:330px 1fr}.chat-list{border-right:1px solid var(--line);background:#0c1019;overflow:auto}.search{padding:14px;position:sticky;top:0;background:#0c1019}.search input{padding:11px}.chat-item{padding:14px 16px;border-bottom:1px solid #ffffff07;cursor:pointer}.chat-item:hover,.chat-item.active{background:#8066ff17}.chat-item b{display:block;margin-bottom:5px}.chat-item p{margin:0;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation{min-width:0;display:flex;flex-direction:column;background:radial-gradient(circle at 55% 35%,#171431,#0b0e17 58%)}.chat-head{height:60px;padding:19px 22px;border-bottom:1px solid var(--line);font-weight:800}.messages{flex:1;overflow:auto;padding:28px;display:flex;flex-direction:column;gap:9px}.empty{margin:auto;text-align:center;color:var(--muted)}.empty div{font-size:35px;color:var(--accent)}.bubble{max-width:min(640px,75%);padding:11px 14px;background:var(--panel2);border-radius:16px 16px 16px 4px;line-height:1.45}.bubble.out{align-self:flex-end;background:linear-gradient(135deg,#674cd8,#436fe0);border-radius:16px 16px 4px 16px}.bubble small{display:block;opacity:.55;font-size:10px;margin-top:5px}.composer{display:flex;gap:10px;padding:15px 20px;border-top:1px solid var(--line);background:#0e111b}.composer textarea{resize:none}.composer button{width:46px;border:0;border-radius:13px;background:var(--accent);cursor:pointer}.panel{overflow:auto;padding:35px}.panel-title h2{font-size:27px;margin:0 0 7px}.panel-title p{color:var(--muted);margin:0 0 25px}.cards{display:grid;gap:12px}.session-card{display:flex;align-items:center;justify-content:space-between;background:var(--panel);border:1px solid var(--line);padding:18px;border-radius:15px}.session-card p{color:var(--muted);margin:5px 0 0}.danger{border:1px solid #ff597555;background:#ff597514;color:#ff8398;padding:8px 11px;border-radius:9px;cursor:pointer}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.stat{background:linear-gradient(145deg,var(--panel2),var(--panel));padding:20px;border:1px solid var(--line);border-radius:16px}.stat b{display:block;font-size:29px;margin-bottom:6px}.stat span{color:var(--muted)}.table-wrap{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-size:11px;text-transform:uppercase}dialog{color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:30px;width:min(430px,calc(100% - 30px));box-shadow:var(--shadow)}dialog::backdrop{background:#05060acc;backdrop-filter:blur(8px)}dialog h2{text-align:center}.close{position:absolute;right:16px;top:14px;background:transparent;border:0;font-size:24px;cursor:pointer}#toast{position:fixed;z-index:99;right:20px;top:20px;background:#1c2235;border:1px solid var(--line);padding:13px 17px;border-radius:11px;box-shadow:var(--shadow);transform:translateY(-90px);transition:.25s}#toast.show{transform:none}body.light{--bg:#eef1f8;--panel:#fff;--panel2:#f6f7fb;--line:#dfe3ed;--text:#161927;--muted:#697086;--shadow:0 30px 80px #3332}.light .workspace,.light .conversation{background:#f3f5fa}.light .rail,.light .chat-list,.light .search,.light .composer{background:#fff}.light .login-shell{background:radial-gradient(circle,#e4e5ff,#f8f9ff 65%)}.light .login-card{background:#ffffffdd}.light input,.light textarea,.light dialog input{background:#fff}@media(max-width:720px){.rail{width:62px}.rail-btn{width:48px}.rail-btn span{display:none}.messenger{grid-template-columns:130px 1fr}.chat-item{padding:12px 8px}.chat-item p{font-size:11px}.bar-actions span{display:none}.panel{padding:22px 14px}.stats{grid-template-columns:1fr 1fr}.bubble{max-width:90%}.top{padding:18px}.login-card{padding:28px 22px}}