.app-container{display:flex;height:100vh;background-color:#1a1a1a}.main-content{flex:1;padding:2rem;overflow-y:auto}.sidebar{width:280px;background-color:#2d2d2d;border-right:1px solid #3a3a3a;display:flex;flex-direction:column}.sidebar-header{padding:2rem 1.5rem;border-bottom:1px solid #3a3a3a}.sidebar-title{font-size:1.75rem;font-weight:700;color:#4caf50;margin-bottom:.25rem}.sidebar-subtitle{font-size:.875rem;color:#999}.sidebar-nav{flex:1;padding:1rem 0}.menu-item{width:100%;display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;background:none;border:none;color:#ccc;font-size:1rem;cursor:pointer;transition:all .2s;text-align:left;border-left:3px solid transparent}.menu-item:hover{background-color:#3a3a3a;color:#fff}.menu-item.active{background-color:#3a3a3a;color:#4caf50;border-left-color:#4caf50}.menu-icon{font-size:1.5rem}.menu-label{flex:1}.upload-section{max-width:800px;margin:0 auto}.section-header{margin-bottom:2rem}.section-title{font-size:2rem;color:#fff;margin-bottom:.5rem}.section-description{font-size:1rem;color:#999}.upload-area{border:2px dashed #4a4a4a;border-radius:8px;padding:3rem;text-align:center;background-color:#2d2d2d;transition:all .3s;cursor:pointer;position:relative}.upload-area.drag-active{border-color:#4caf50;background-color:#3a3a3a}.file-input{display:none}.upload-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.upload-icon{font-size:4rem;margin-bottom:1rem}.file-name{font-size:1.125rem;color:#4caf50;font-weight:500}.file-size{font-size:.875rem;color:#999}.upload-text{font-size:1.125rem;color:#ccc}.upload-subtext{font-size:.875rem;color:#999}.select-file-btn{margin-top:1rem;padding:.75rem 2rem;background-color:#4a4a4a;color:#fff;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:background-color .2s}.select-file-btn:hover{background-color:#5a5a5a}.error-message{margin-top:1rem;padding:1rem;background-color:#d32f2f22;border-left:4px solid #d32f2f;color:#ff6b6b;border-radius:4px}.action-buttons{display:flex;gap:1rem;margin-top:2rem;justify-content:center}.download-btn{padding:1rem 3rem;background-color:#4caf50;color:#fff;border:none;border-radius:4px;font-size:1.125rem;font-weight:600;cursor:pointer;transition:background-color .2s}.download-btn:hover:not(:disabled){background-color:#45a049}.download-btn:disabled{background-color:#4a4a4a;cursor:not-allowed;opacity:.6}.reset-btn{padding:1rem 2rem;background-color:#d32f2f;color:#fff;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:background-color .2s}.reset-btn:hover{background-color:#b71c1c}:root{font-family:Inter,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}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{width:100%;height:100vh}