*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f0f2f5;color:#1a1a2e;min-height:100vh}button{cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:opacity .15s}button:hover{opacity:.85}button:disabled{opacity:.5;cursor:not-allowed}input{width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;outline:none;transition:border-color .15s}input:focus{border-color:#6366f1}a{color:#6366f1;text-decoration:none}a:hover{text-decoration:underline}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}