*{box-sizing:border-box}:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#718096;--line:#e6eaf0;--accent:#4f46e5;--accent2:#7c3aed}body{margin:0;min-height:100vh;background:radial-gradient(circle at top right,#e9e7ff 0,#f5f7fb 42%,#eef2ff 100%);color:var(--text);font-family:Tahoma,Arial,sans-serif}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(440px,100%);background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 20px 60px rgba(20,30,55,.12);padding:34px}.brand{width:58px;height:58px;display:grid;place-items:center;border-radius:18px;background:#f1efff;font-size:28px;margin-bottom:18px}.eyebrow{color:var(--accent);font-size:13px;font-weight:700}.login-card h1{margin:8px 0 8px;font-size:30px}.login-card>p{color:var(--muted);line-height:1.7;margin:0 0 26px}.login-card form{display:grid;gap:16px}.login-card label{display:grid;gap:8px;font-weight:700;font-size:14px}.login-card input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);font:inherit;outline:none}.login-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.login-card button{border:0;border-radius:12px;padding:13px 16px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;font:inherit;font-weight:700;cursor:pointer}.login-card button:disabled{opacity:.65;cursor:wait}.error{background:#fff0f0;border:1px solid #ffcaca;color:#a33;padding:11px;border-radius:10px;font-size:13px}.login-card small{display:block;color:var(--muted);text-align:center;margin-top:20px}