*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}#root{min-height:100vh}*{box-sizing:border-box}:root{--primary:#6366f1;--primary-hover:#4f46e5;--primary-light:#e0e7ff;--bg:#0f0f23;--surface:#1a1a2e;--surface-hover:#252542;--text:#e2e8f0;--text-muted:#94a3b8;--border:#2d2d4a;--success:#10b981;--error:#ef4444;--shadow:0 4px 6px -1px #0000004d, 0 2px 4px -1px #0003}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg);color:var(--text);min-height:100vh;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}.app{background:linear-gradient(135deg, var(--bg) 0%, #1a1a3e 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.3s}.drop-zone:hover{border-color:var(--primary);background:var(--surface-hover);transform:translateY(-2px)}.drop-zone.has-file{border-style:solid;border-color:var(--primary);background:var(--surface-hover)}.drop-content{flex-direction:column;align-items:center;gap:.5rem;display:flex}.upload-icon{width:64px;height:64px;color:var(--primary);margin-bottom:.5rem}.or-text{color:var(--text-muted);font-size:.875rem}.supported-formats{color:var(--text-muted);margin-top:1rem;font-size:.75rem}.file-info{background:var(--bg);border-radius:12px;align-items:center;gap:1rem;padding:1rem;display:flex;position:relative}.file-icon{width:48px;height:48px;color:var(--primary);flex-shrink:0}.file-info>div{text-align:left;flex:1;min-width:0}.file-name{white-space:nowrap;text-overflow:ellipsis;margin:0;font-weight:600;overflow:hidden}.file-size{color:var(--text-muted);margin:.25rem 0 0;font-size:.875rem}.remove-btn{color:var(--text-muted);cursor:pointer;background:0 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