.file-picker{position:relative;border:2px dashed var(--color-border-hover);border-radius:var(--radius-xl);padding:var(--space-3xl) var(--space-xl);text-align:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);background:var(--color-bg-secondary);overflow:hidden}.file-picker:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,var(--glass-bg-strong) 0%,transparent 70%);opacity:0;transition:opacity .3s ease;pointer-events:none}.file-picker:hover{border-color:var(--color-accent-primary);background:var(--color-accent-subtle);box-shadow:var(--shadow-glow)}.file-picker:hover:before{opacity:1}.file-picker-active{border-color:var(--color-accent-primary);background:var(--color-accent-subtle);animation:pulse-glow 1.5s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #ffffff14;border-color:var(--color-accent-primary)}50%{box-shadow:0 0 40px #ffffff26;border-color:var(--color-border-hover)}}.file-picker-input{display:none}.file-picker-icon{font-size:2.5rem;margin-bottom:var(--space-md);opacity:.8}.file-picker-text{display:flex;flex-direction:column;gap:var(--space-xs);margin-bottom:var(--space-md)}.file-picker-text strong{font-size:var(--text-lg);font-weight:500;color:var(--color-text-primary)}.file-picker-text span{font-size:var(--text-sm);color:var(--color-text-muted)}.file-picker-hint{font-size:var(--text-xs);color:var(--color-text-muted)}.file-picker-error{margin-top:var(--space-md);padding:var(--space-sm) var(--space-md);background:#f871711a;border-radius:var(--radius-md);color:var(--color-error);font-size:var(--text-sm);text-align:center}.file-picker-warning{margin-top:var(--space-md);padding:var(--space-md);background:#fbbf2426;border:1px solid rgba(251,191,36,.3);border-radius:var(--radius-md);text-align:center}.file-picker-warning span{display:block;color:var(--color-warning, #f59e0b);font-size:var(--text-sm);margin-bottom:var(--space-sm);line-height:1.4}.file-picker-warning-actions{display:flex;gap:var(--space-sm);justify-content:center;flex-wrap:wrap}.file-picker-warning-actions .btn{padding:.5rem 1rem;font-size:.875rem}