:root{--bg:#07101f;--surface:#0d1a2d;--text:#f5f8ff;--muted:#91a3bc;--cyan:#42d4ff;--green:#24d18b;--red:#ff5c6c;--border:rgba(255,255,255,.11)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 0%,#12305a 0,#07101f 42%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;display:grid;place-items:center;padding:24px}.login-shell{width:min(980px,100%);display:grid;grid-template-columns:1.05fr .95fr;border:1px solid var(--border);border-radius:28px;overflow:hidden;box-shadow:0 35px 100px rgba(0,0,0,.45);background:rgba(10,24,43,.8)}.brand{padding:56px;display:flex;flex-direction:column;justify-content:center;min-height:570px;background:linear-gradient(145deg,rgba(66,212,255,.11),rgba(36,209,139,.035))}.brand p,.eyebrow{color:var(--cyan);font-size:11px;font-weight:950;letter-spacing:.16em;margin:0 0 8px}.brand h1{font-size:clamp(40px,6vw,72px);line-height:.98;margin:0 0 28px}.pulse{width:18px;height:18px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(36,209,139,.7);animation:pulse 1.4s infinite;margin-bottom:26px}@keyframes pulse{70%{box-shadow:0 0 0 22px rgba(36,209,139,0)}}.security-note{max-width:440px;color:#c4d1e3;line-height:1.65;border-left:3px solid var(--green);padding-left:15px}.login-card{padding:50px 44px;background:rgba(7,16,31,.78);display:flex;flex-direction:column;justify-content:center}.login-card h2{font-size:32px;margin:0 0 8px}.sub{color:var(--muted);margin:0 0 28px}form{display:grid;gap:16px}label{display:grid;gap:7px;color:#c8d5e7;font-size:11px;font-weight:900;letter-spacing:.08em}input{width:100%;border:1px solid var(--border);border-radius:13px;background:#081525;color:#fff;padding:14px 15px;font:inherit;outline:none}input:focus{border-color:rgba(66,212,255,.7);box-shadow:0 0 0 3px rgba(66,212,255,.10)}button{margin-top:6px;border:0;border-radius:13px;padding:14px;background:linear-gradient(135deg,#42d4ff,#24d18b);color:#03151b;font-weight:1000;cursor:pointer;letter-spacing:.06em}button:disabled{opacity:.55;cursor:wait}.error{min-height:20px;color:#ff8f9a;font-size:12px;line-height:1.4}footer{margin-top:26px;color:var(--muted);font-size:10px}@media(max-width:760px){.login-shell{grid-template-columns:1fr}.brand{display:none}.login-card{padding:34px 24px;min-height:520px}}