:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#0f172a;background-color:#f8fafc}body{margin:0;min-height:100vh}main{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:2rem}*{box-sizing:border-box}body{margin:0;font-family:inherit;background-color:#f1f5f9}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.auth-card{width:420px;background:#ffffffe0;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);padding:32px;border-radius:24px;box-shadow:0 25px 70px #0f172a38;border:1px solid rgba(255,255,255,.55)}.auth-card input{border-radius:12px;border:1px solid rgba(15,23,42,.18);outline:none}.auth-button{width:100%;padding:13px;border-radius:14px;border:2px solid #0f172a;background:#0f172a;color:#fff;font-weight:700;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.auth-button:hover{animation:hoverPulse 1s ease-in-out infinite}@keyframes hoverPulse{0%{transform:scale(1);box-shadow:0 0 #0f172a40}50%{transform:scale(1.06);box-shadow:0 0 0 12px #0f172a00}to{transform:scale(1);box-shadow:0 0 #0f172a00}}@keyframes ringPulse{0%{box-shadow:0 0 #0f172a59}to{box-shadow:0 0 0 12px #0f172a00}}.auth-button-blue{width:100%;padding:13px;border-radius:14px;border:2px solid #2563eb;background:#2563eb;color:#fff;font-weight:700;cursor:pointer}.auth-button-blue:hover{animation:hoverPulse 1s ease-in-out infinite}