*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--blue: #1a73e8;--blue-light: #e8f0fe;--green: #4caf50;--red: #dc3545;--orange: #ff9800;--gray-50: #fafafa;--gray-100: #f5f5f5;--gray-200: #eee;--gray-300: #e0e0e0;--gray-400: #bdbdbd;--gray-500: #999;--gray-600: #666;--gray-700: #444;--gray-800: #333;--radius: 10px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1)}html{-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5;color:var(--gray-800);background:var(--gray-50)}h1,h2,h3,h4{line-height:1.3;font-weight:600}h2{font-size:1.25rem;margin-bottom:12px}h3{font-size:1.05rem;margin-bottom:8px}button{font-family:inherit;font-size:inherit;cursor:pointer;transition:opacity .15s,transform .1s}button:active{transform:scale(.97)}select,input{font-family:inherit;font-size:15px}::-webkit-scrollbar{height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:2px}@supports (padding: env(safe-area-inset-bottom)){nav{padding-bottom:env(safe-area-inset-bottom)}}