:root{--blue:#2A5CFF;--ink:#0F172A;--muted:#64748B;--line:#E2E8F0}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui;background:radial-gradient(circle at top left,#EEF3FF,#F8FAFC 40%,#fff);min-height:100vh;color:var(--ink)}.auth{min-height:100vh;display:grid;place-items:center;padding:28px}.box{width:min(450px,100%);background:#fff;border:1px solid var(--line);box-shadow:0 24px 80px rgba(15,23,42,.09);border-radius:26px;padding:34px}.brand{display:flex;align-items:center;gap:10px;font-weight:850;margin-bottom:28px}.brand img{width:38px}.box h1{font-size:30px;margin:0 0 8px}.sub{color:var(--muted);margin:0 0 26px;line-height:1.5}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:750;margin-bottom:7px}.field input,.field select{width:100%;height:48px;border:1px solid var(--line);border-radius:13px;padding:0 13px;font:inherit;outline:none}.field input:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(42,92,255,.1)}.btn{width:100%;height:49px;border:0;border-radius:13px;background:linear-gradient(135deg,var(--blue),#4F46E5);color:#fff;font-weight:800;cursor:pointer}.alert{padding:12px 14px;border-radius:12px;margin-bottom:16px;font-size:14px}.err{background:#FEF2F2;color:#B91C1C}.ok{background:#F0FDF4;color:#166534}.foot{text-align:center;color:var(--muted);font-size:14px;margin-top:20px}.foot a{color:var(--blue);font-weight:700;text-decoration:none}