:root{--bg:#090d10;--panel:#11171d;--panel2:#171e25;--muted:#8d98a3;--text:#edf2f7;--line:#26303a;--ok:#39d98a;--warn:#f3b44e;--bad:#ff5d69;--blue:#5b8cff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#18212b,#07090b 60%);color:var(--text);font-family:Inter,system-ui,sans-serif}button,input{font:inherit}.login-shell{min-height:100svh;display:grid;place-items:center;padding:22px}.login-card{width:min(440px,100%);background:linear-gradient(145deg,rgba(24,31,39,.95),rgba(11,14,18,.95));border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 30px 90px #000}.brand{display:flex;gap:12px;align-items:center}.brand span{color:var(--muted);margin-left:6px}.orb{width:36px;height:36px;border-radius:50%;background:conic-gradient(from 40deg,#5b8cff,#9b7cff,#39d98a,#5b8cff)}h1{font-size:34px;line-height:1;margin:28px 0 10px}.login-card p{color:var(--muted)}input{width:100%;background:#0c1116;color:var(--text);border:1px solid var(--line);border-radius:16px;padding:14px;margin:8px 0}button{border:1px solid var(--line);border-radius:16px;background:#202832;color:var(--text);padding:12px 16px;cursor:pointer}button:hover{background:#2a3440}.login-card button{width:100%;margin-top:10px;background:linear-gradient(135deg,#2d5bff,#6c4dff)}.error{margin-top:12px;color:var(--bad)}.app-shell{height:100svh;display:grid;grid-template-columns:56px 1fr 1fr;gap:8px;padding:10px}.rail{background:#080b0e;border:1px solid var(--line);border-radius:24px;display:flex;align-items:center;gap:20px;flex-direction:column;padding:12px 6px}.rail span{writing-mode:vertical-rl;color:var(--muted);font-size:12px}.mark,.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#1e2730;color:white;text-decoration:none}.left-panel,.right-panel{min-width:0;background:rgba(15,21,27,.92);border:1px solid var(--line);border-radius:24px;padding:14px;display:flex;flex-direction:column;gap:12px;box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}header,.browser-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:12px}small,.status span,.status em,.upload span{display:block;color:var(--muted)}.chat{flex:1;overflow:auto;display:flex;flex-direction:column;gap:10px}.bubble{padding:13px 15px;border-radius:18px;background:#1b232c;border:1px solid var(--line);line-height:1.35}.bubble.user{align-self:flex-end;background:#202d3d}.bubble.ai{align-self:flex-start}.status-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.status{background:#151d24;border:1px solid var(--line);border-radius:18px;padding:12px}.status.ok b:before{content:'● ';color:var(--ok)}.upload{position:relative;border:1px dashed #3a4652;border-radius:18px;padding:18px;text-align:center;background:#0d1217}.upload input{position:absolute;inset:0;opacity:0;cursor:pointer}.actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.actions button:first-child{background:#2f3b48}.cmd{display:grid;grid-template-columns:1fr 52px 52px;gap:8px}.cmd input{margin:0}.urlbar{display:flex;gap:8px;align-items:center;background:#0b1015;border:1px solid var(--line);border-radius:16px;padding:6px 10px}.urlbar input{margin:0;border:0;background:transparent;padding:8px}iframe{flex:1;width:100%;border:1px solid var(--line);border-radius:18px;background:white}.reaction{background:#111820;border:1px solid var(--line);border-radius:18px;padding:13px}.reaction p{color:var(--muted);margin-bottom:0}@media(max-width:900px){.app-shell{grid-template-columns:1fr;padding:8px}.rail,.right-panel{display:none}.left-panel{height:100svh}.chat{min-height:55svh}.status-grid{grid-template-columns:1fr}}@media(min-width:901px) and (max-width:1400px){.app-shell{grid-template-columns:44px 1fr 1fr}.rail span{font-size:11px}.actions button{font-size:13px;padding:10px 8px}}