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var(--border);border-radius:var(--radius-lg)}}.upload-container{max-width:720px;margin:0 auto;padding-bottom:var(--space-20)}.upload-card{padding:var(--space-10)}@media(max-width:768px){.upload-card{padding:var(--space-6)}}.drop-zone.dragover{border-color:var(--primary);background-color:var(--primary-bg);border-style:solid}.selected-file{display:none;background-color:var(--bg-hover);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-5);margin-bottom:var(--space-6);transition:all 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