.unified-upload-container{width:100%;margin:var(--spacing-4,1rem) 0}.file-upload-area{border:2px dashed var(--color-neutral-300,#d1d5db);border-radius:var(--border-radius-lg,12px);background-color:var(--color-neutral-50,#f9fafb);padding:var(--spacing-8,2rem);text-align:center;cursor:pointer;transition:all var(--transition-duration-normal, .2s) ease;min-height:200px;display:flex;align-items:center;justify-content:center}.file-upload-area:hover{border-color:var(--color-primary-400,#818cf8);background-color:var(--color-primary-50,#eef2ff);transform:translateY(-2px)}.file-upload-area.dragover{border-color:var(--color-primary-500,#6366f1);background-color:var(--color-primary-100,#e0e7ff);transform:scale(1.02)}.upload-content{pointer-events:none;width:100%}.upload-icon{color:var(--color-primary-500,#6366f1);margin-bottom:var(--spacing-4,1rem);display:inline-block}.upload-icon svg{width:48px;height:48px}.upload-text{display:block;font-size:var(--font-size-base, 1rem);font-weight:var(--font-weight-medium,500);color:var(--color-text-primary,#111827);margin:var(--spacing-3,.75rem) 0;line-height:1.5}.upload-hint{display:block;font-size:var(--font-size-sm, .875rem);color:var(--color-text-secondary,#6b7280);margin-top:var(--spacing-2,.5rem)}.selected-files-list{margin-top:var(--spacing-4,1rem)}.selected-file-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-3,.75rem);background-color:var(--color-neutral-50,#f9fafb);border:1px solid var(--color-neutral-300,#d1d5db);border-radius:var(--border-radius-md,8px);margin-bottom:var(--spacing-2,.5rem);transition:background-color .2s ease}.selected-file-item:hover{background-color:var(--color-neutral-100,#f3f4f6)}.file-item-info{display:flex;align-items:center;gap:var(--spacing-3,.75rem);flex:1;min-width:0}.file-item-icon{flex-shrink:0;color:var(--color-primary-500,#6366f1)}.file-item-details{flex:1;min-width:0}.file-item-details h4{margin:0;font-size:var(--font-size-sm, .875rem);font-weight:var(--font-weight-medium,500);color:var(--color-text-primary,#111827);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-item-details span{font-size:var(--font-size-xs, .75rem);color:var(--color-text-secondary,#6b7280)}.remove-file-btn{display:flex;align-items:center;gap:var(--spacing-1,.25rem);padding:var(--spacing-2,.5rem) var(--spacing-3,.75rem);background-color:var(--color-error-50,#fef2f2);color:var(--color-error-600,#dc2626);border:1px solid var(--color-error-200,#fecaca);border-radius:var(--border-radius-sm,6px);font-size:var(--font-size-sm, .875rem);font-weight:var(--font-weight-medium,500);cursor:pointer;transition:all .2s ease;white-space:nowrap;flex-shrink:0}.remove-file-btn:hover{background-color:var(--color-error-100,#fee2e2);border-color:var(--color-error-300,#fca5a5)}.remove-file-btn svg{width:16px;height:16px}[data-theme=dark] .file-upload-area{border-color:var(--color-border,#4b5563);background-color:var(--color-surface,#1f2937)}[data-theme=dark] .file-upload-area.dragover,[data-theme=dark] .file-upload-area:hover{border-color:var(--color-primary-400,#818cf8);background-color:rgba(99,102,241,.1)}[data-theme=dark] .upload-text{color:var(--color-text-primary,#f9fafb)}[data-theme=dark] .upload-hint{color:var(--color-text-secondary,#d1d5db)}[data-theme=dark] .selected-file-item{background-color:var(--color-surface,#1f2937);border-color:var(--color-border,#4b5563)}[data-theme=dark] .selected-file-item:hover{background-color:var(--color-surface-hover,#374151)}[data-theme=dark] .file-item-details h4{color:var(--color-text-primary,#f9fafb)}[data-theme=dark] .file-item-details span{color:var(--color-text-secondary,#d1d5db)}@media (max-width:768px){.file-upload-area{padding:var(--spacing-6,1.5rem);min-height:150px}.upload-icon svg{width:36px;height:36px}.upload-text{font-size:var(--font-size-sm, .875rem)}.upload-hint{font-size:var(--font-size-xs, .75rem)}.selected-file-item{flex-direction:column;align-items:flex-start;gap:var(--spacing-2,.5rem);padding:var(--spacing-4,1rem)}.file-item-info{width:100%}.file-item-details h4{max-width:calc(100vw - 120px)}.remove-file-btn{width:100%;justify-content:center;min-height:44px}}@media (max-width:480px){.file-upload-area{padding:var(--spacing-4,1rem);min-height:120px}.upload-icon svg{width:32px;height:32px}.upload-text{font-size:var(--font-size-xs, .75rem);margin:var(--spacing-2,.5rem) 0}.upload-hint{font-size:.625rem}}.file-upload-area:focus-within{outline:2px solid var(--color-primary-500,#6366f1);outline-offset:2px}.remove-file-btn:focus{outline:2px solid var(--color-error-500,#ef4444);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}