:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}body.light-mode{color:#213547;background-color:#fff}.light-mode a:hover{color:#747bff}.light-mode button{background-color:#f9f9f9}:root{--background-color: #242424;--text-color: rgba(255, 255, 255, .87);--textarea-border-color: #555;--button-bg-color: #007bff;--button-hover-bg-color: #0056b3;--button-text-color: white}body.light-mode{--background-color: #ffffff;--text-color: #213547;--textarea-border-color: #ccc;--button-bg-color: #007bff;--button-hover-bg-color: #0056b3}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center;font-family:sans-serif;background-color:var(--background-color);color:var(--text-color)}.App{display:flex;flex-direction:column;align-items:center;gap:1rem}textarea{width:80%;padding:1rem;border-radius:8px;border:1px solid var(--textarea-border-color);font-size:1rem;background-color:var(--background-color);color:var(--text-color)}.button-container{display:flex;gap:10px;margin-top:1rem;margin-bottom:1rem}.button-container button{padding:10px 20px;border:none;border-radius:8px;background-color:var(--button-bg-color);color:var(--button-text-color);font-size:1rem;cursor:pointer;transition:background-color .2s}.button-container button:hover{background-color:var(--button-hover-bg-color)}.theme-switcher{position:absolute;top:1rem;right:1rem}.theme-switcher button{padding:8px 15px;border-radius:5px;border:1px solid #666;background-color:#fff;color:#000;cursor:pointer;transition:background-color .2s,color .2s}body.light-mode .theme-switcher button{background-color:#000;color:#fff;border:1px solid #ccc}.theme-switcher button:hover{background-color:#f0f0f0}body.light-mode .theme-switcher button:hover{background-color:#333}.success-checkmark{width:80px;height:115px;margin:0 auto;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1000}.check-icon{width:80px;height:80px;position:relative;border-radius:50%;box-sizing:content-box;border:4px solid #4CAF50}.check-icon:before{top:3px;left:-2px;width:30px;transform-origin:100% 50%;border-radius:100px 0 0 100px}.check-icon:after{top:0;left:30px;width:60px;transform-origin:0 50%;border-radius:0 100px 100px 0;animation:rotate-circle 4.25s ease-in}.check-icon:before,.check-icon:after{content:"";height:100px;position:absolute;background:transparent;transform:rotate(-45deg)}.icon-line{height:5px;background-color:#4caf50;display:block;border-radius:2px;position:absolute;z-index:10}.icon-line.line-tip{top:46px;left:14px;width:25px;transform:rotate(45deg);animation:icon-line-tip .75s}.icon-line.line-long{top:38px;right:8px;width:47px;transform:rotate(-45deg);animation:icon-line-long .75s}.icon-circle{top:-4px;left:-4px;z-index:10;width:80px;height:80px;border-radius:50%;position:absolute;box-sizing:content-box;border:4px solid rgba(76,175,80,.5)}.icon-fix{top:8px;width:5px;left:26px;z-index:1;height:85px;position:absolute;transform:rotate(-45deg);background-color:transparent}@keyframes rotate-circle{0%{transform:rotate(-45deg)}5%{transform:rotate(-45deg)}12%{transform:rotate(-405deg)}to{transform:rotate(-405deg)}}@keyframes icon-line-tip{0%{width:0;left:1px;top:19px}54%{width:0;left:1px;top:19px}70%{width:50px;left:-8px;top:37px}84%{width:17px;left:21px;top:48px}to{width:25px;left:14px;top:46px}}@keyframes icon-line-long{0%{width:0;right:46px;top:54px}65%{width:0;right:46px;top:54px}84%{width:55px;right:0;top:35px}to{width:47px;right:8px;top:38px}}