:root{--bg:#07111f;--card:#0d1a2b;--text:#f5f8fc;--muted:#91a2b8;--line:rgba(255,255,255,.1);--accent:#5ee7d0}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 15%,rgba(94,231,208,.12),transparent 32%),radial-gradient(circle at 85% 80%,rgba(124,156,255,.11),transparent 35%),var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}.auth-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:32px 18px}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-family:"Space Grotesk",Inter,sans-serif;font-weight:600;margin:15px 0 45px}.mark{display:grid;place-items:center;width:36px;height:36px;border:1px solid rgba(94,231,208,.5);border-radius:9px;color:var(--accent);font-size:11px}.auth-card{width:min(450px,100%);background:rgba(13,26,43,.92);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.35);backdrop-filter:blur(16px)}.tabs{display:grid;grid-template-columns:1fr 1fr;background:#091523;border-radius:10px;padding:4px;margin-bottom:36px}.tab{border:0;background:transparent;color:var(--muted);padding:10px;border-radius:7px;font-weight:700;font-size:12px;cursor:pointer}.tab.active{background:#17283c;color:var(--text)}.eyebrow{font-size:9px;letter-spacing:2px;color:var(--accent);font-weight:800}.intro h1{font-family:"Space Grotesk";font-size:36px;letter-spacing:-1.5px;margin:10px 0 5px}.intro p{color:var(--muted);font-size:13px;margin:0 0 28px}form{display:grid;gap:16px}label{display:grid;gap:7px;font-size:11px;font-weight:700;color:#c5d0dd}input{width:100%;border:1px solid var(--line);background:#091523;color:var(--text);border-radius:9px;padding:13px 12px;outline:none;font:inherit;font-weight:400}input:focus{border-color:rgba(94,231,208,.65);box-shadow:0 0 0 3px rgba(94,231,208,.08)}.submit{border:0;border-radius:9px;padding:13px;background:var(--text);color:#07111f;font-weight:800;cursor:pointer;margin-top:4px}.submit span{float:right}.error{min-height:16px;color:#ff9e9e;font-size:11px}.hidden{display:none}.back{text-align:center;margin:25px 0 0;font-size:11px}.back a{color:var(--muted)}.back a:hover{color:var(--text)}.legal{color:#53657b;font-size:9px;text-align:center;margin-top:22px}@media(max-width:480px){.auth-card{padding:22px}.brand{margin-bottom:30px}}