*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;color:#333;background-color:#f8fafc;margin:0;padding:0}#root{min-height:100vh;width:100%}button{font-family:inherit;cursor:pointer;border:none;outline:none;background:none;font-size:inherit}button:focus{outline:2px solid #667eea;outline-offset:2px}input{font-family:inherit;font-size:inherit}a{color:#667eea;text-decoration:none}a:hover{text-decoration:underline}.App{min-height:100vh;background:linear-gradient(135deg,#0f0f23,#1a1a2e,#16213e,#0f3460,#1a1a2e);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;position:relative;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 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#ef444433}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.file-card{background:#000000b3!important;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border-radius:15px;padding:1.25rem;box-shadow:0 4px 15px #0000004d;transition:all .3s ease;border:1px solid rgba(255,255,255,.3);position:relative;overflow:hidden}.file-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,#667eea,#764ba2);opacity:0;transition:opacity .3s ease}.file-card:hover:before{opacity:1}.file-card:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 15px 35px #0000004d;background:#0006}.file-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.file-type-icon{font-size:1.5rem}.remove-file-btn{background:#ef444433;color:#fca5a5;border:none;width:28px;height:28px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s 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#4f46e526}.action-button:disabled{opacity:.5;cursor:not-allowed}.action-button.primary{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-color:transparent}.action-button.primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 15px #4f46e54d}.action-button.primary .action-title,.action-button.primary .action-subtitle{color:#fff}.action-button.conversion{border-color:#10b981;background:linear-gradient(135deg,#ecfdf5,#f0fdf4)}.action-button.conversion:hover:not(:disabled){border-color:#059669;box-shadow:0 4px 15px #10b98126}.action-icon{font-size:1.75rem;min-width:40px;text-align:center}.action-content{flex:1}.action-title{display:block;font-size:1rem;font-weight:600;color:#1f2937;margin-bottom:.2rem}.action-subtitle{display:block;font-size:.8rem;color:#6b7280}.action-button.conversion .action-title{color:#065f46}.action-button.conversion 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3rem;max-width:600px;margin-left:auto;margin-right:auto}.feedback-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:3rem}.feedback-btn{display:flex;align-items:center;gap:1rem;padding:1.5rem 2rem;background:#ffffff1a;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:2px solid rgba(255,255,255,.2);border-radius:15px;text-decoration:none;transition:all .3s ease;position:relative;overflow:hidden}.feedback-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.feedback-btn:hover:before{left:100%}.feedback-btn:hover{transform:translateY(-5px);box-shadow:0 15px 35px 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