:root{--bg:#0f1115;--paper:#16181d;--ink:#e7e9ee;--ink-mute:#9aa0ac;--accent:#6c8cff;--error:#ff7a90;--radius:12px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--ink);margin:0;padding:0}#root{place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{background:var(--paper);border-radius:var(--radius);text-align:center;border:1px solid #ffffff0f;width:100%;max-width:360px;padding:32px}.login-card h1{letter-spacing:.01em;margin:0 0 12px;font-size:18px;font-weight:600}.login-card p{color:var(--ink-mute);margin:0 0 20px;font-size:14px;line-height:1.5}.login-card .login-error{color:var(--error)}.login-card button{appearance:none;background:var(--accent);color:#0f1115;cursor:pointer;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600}.login-card button:hover{filter:brightness(1.08)}