:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;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}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.App{max-width:1000px;margin:0 auto;padding:20px;font-family:Arial,sans-serif}.App-header{margin-bottom:40px;text-align:center}.App-header h1{color:#2c3e50}.video-editor{display:flex;flex-direction:column;gap:30px}.upload-section,.preview-section,.action-section{padding:20px;border-radius:8px;background-color:#f8f9fa;box-shadow:0 2px 4px #0000001a}.file-input{display:none}.upload-btn,.process-btn{background-color:#4361ee;color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer;font-size:16px;transition:background-color .3s}.upload-btn:hover,.process-btn:hover{background-color:#3a56d4}.process-btn{background-color:#4caf50;font-size:18px;padding:12px 24px}.process-btn:hover{background-color:#43a047}.video-container{margin:20px 0}.text-controls{display:flex;flex-direction:column;gap:8px}.text-input{padding:10px;font-size:16px;border:1px solid #ddd;border-radius:4px}.note{font-style:italic;color:#666;margin-top:10px}