:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;box-sizing:border-box;padding:0}.app-container{font-family:Arial,sans-serif;transition:background-color .3s,color .3s;width:100%}.app-container.light{background-color:#fff;color:#333}.app-container.dark{background-color:#121212;color:#e0e0e0}.privacy-policy{padding:2rem}header{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid #e0e0e0}header button{padding:.5rem 1rem;background-color:#1a73e8;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s}header button:hover{background-color:#1e88e5}main{padding:0 50px}.theme-switch{position:relative;width:60px;height:30px;background-color:#e0e0e0;border-radius:30px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:0 5px;transition:background-color .5s ease-in-out}.theme-switch .icon{font-size:18px;transition:opacity .5s ease-out}.theme-switch .icon.sun{opacity:1}.theme-switch .icon.moon{opacity:0}.theme-switch.light .switch-thumb{transform:translate(3px)}.theme-switch.dark{background-color:#333}.theme-switch.dark .icon.sun{opacity:0}.theme-switch.dark .icon.moon{opacity:1}.theme-switch.dark .switch-thumb{transform:translate(30px)}.switch-thumb{position:absolute;top:3px;width:24px;height:24px;background-color:#fff;border-radius:50%;box-shadow:0 2px 4px #0003;transition:transform .3s ease-in-out}