.epub-converter{display:flex;flex-direction:column;gap:1.5rem}.file-info{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:var(--bg-secondary, #f5f5f5);border-radius:8px}.file-name{font-weight:500}.error-message{padding:.75rem;background:#ef44441a;color:var(--error, #ef4444);border-radius:8px}.book-details{display:flex;flex-direction:column;gap:1rem;padding:1.5rem;background:var(--bg-secondary, #f5f5f5);border-radius:8px;text-align:center}.book-details h3{margin:0;font-size:1.25rem}.book-details p{margin:0;color:var(--text-secondary, #666)}.progress-section{display:flex;align-items:center;gap:1rem}.progress-bar{flex:1;height:8px;background:var(--border-color, #ddd);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--primary, #4361ee);transition:width .3s}.progress-text{font-size:.875rem;font-weight:500;min-width:40px}.result-section{display:flex;flex-direction:column;gap:1rem;align-items:center}.success-message{padding:1rem;background:#4caf501a;color:var(--success, #4caf50);border-radius:8px;font-weight:500;width:100%;text-align:center}.action-buttons{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center}.privacy-note{text-align:center;padding:.75rem;background:#4caf501a;color:var(--success, #4caf50);border-radius:8px;font-size:.875rem;margin-top:1rem}@media(max-width:640px){.action-buttons{flex-direction:column;width:100%}.action-buttons .btn{width:100%}}