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h4:first-child{margin-top:0}.accordion-body p{margin-bottom:1rem;line-height:1.6}.accordion-body ul,.accordion-body ol{margin-bottom:1rem;padding-left:1.5rem}.accordion-body li{margin-bottom:.5rem;line-height:1.6}.theme-toggle{display:inline-flex}.theme-toggle-btn{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:20px;padding:6px 12px;font-size:13px;cursor:pointer;box-shadow:var(--card-shadow);transition:all .2s ease;display:flex;align-items:center;gap:4px}.theme-toggle-btn:hover{background-color:var(--primary-color);border-color:var(--primary-color);transform:scale(1.05)}.password-strength{margin-top:8px}.strength-indicator{height:6px;background-color:var(--bg-tertiary);border-radius:3px;overflow:hidden;margin-bottom:4px}.strength-bar{height:100%;width:var(--strength-width, 0%);background-color:var(--strength-color, #ccc);transition:width .3s ease,background-color .3s 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24px;text-align:center;transition:all .3s ease;pointer-events:none}.file-input-overlay{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.file-input-overlay::file-selector-button{display:none}.upload-area-wrapper:hover .upload-area{background-color:var(--upload-bg-hover);border-color:var(--primary-hover)}.upload-icon{font-size:48px;margin-bottom:16px}.upload-text{font-size:18px;margin-bottom:8px;color:var(--text-primary)}.upload-hint{font-size:14px}.file-selected{padding:0}.file-selected .file-info,.file-item .file-info{display:flex;align-items:center;gap:8px;padding:2px 10px}.file-icon{font-size:16px;flex-shrink:0;line-height:1}.file-details{flex:1;min-width:0;display:flex;align-items:center;gap:12px}.file-name{font-weight:500;font-size:13px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0;line-height:1.2}.file-size{font-size:12px;white-space:nowrap;flex-shrink:0;color:var(--text-muted);line-height:1.2}.btn-remove{background-color:var(--error-color);color:#fff;border:none;border-radius:50%;width:22px;height:22px;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0;line-height:1;padding:0}.btn-remove:hover{background-color:#c82333;transform:scale(1.1)}.files-list{display:flex;flex-direction:column;gap:8px}.file-item{background-color:var(--card-bg);border-radius:8px;border:1px solid var(--border-color);overflow:hidden;padding:0;margin-bottom:0}.files-summary{margin-top:12px;padding:12px;background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:6px;display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--text-primary)}.badge-premium{display:inline-block;padding:4px 8px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:4px;font-size:12px;font-weight:600;margin-left:8px}.batch-progress-container{padding:16px;background-color:var(--background-secondary);border-radius:8px;margin:16px 0}.batch-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.batch-progress-header 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