.select-file-modal{max-width:780px;max-height:82vh;display:flex;flex-direction:column;overflow:hidden}.select-file-modal-header.ui-modal-header{padding:var(--space-5) var(--space-6) var(--space-4)}.select-file-header-content{display:flex;align-items:center;gap:var(--space-3)}.select-file-header-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:var(--bg-accent-muted);color:var(--text-accent);flex-shrink:0}.select-file-title.ui-modal-title{font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--text-primary);letter-spacing:-.01em;line-height:1.2}.select-file-subtitle{margin:2px 0 0;font-size:var(--text-xs);color:var(--text-disabled);font-weight:var(--font-normal);line-height:1.3}.select-file-modal-filters{display:flex;flex-direction:column;gap:var(--space-3);padding:0 var(--space-6) var(--space-4)}.select-file-modal-tabs{display:flex;gap:var(--space-2)}.select-file-tab{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-full);border:1px solid var(--border-default);background:transparent;color:var(--text-muted);font-size:var(--text-xs);font-weight:var(--font-medium);cursor:pointer;transition:all .2s ease;white-space:nowrap}@media (hover:hover){.select-file-tab:hover{border-color:var(--border-strong);color:var(--text-primary)}}.select-file-tab.active{background:var(--bg-accent-strong);border-color:var(--border-accent);color:var(--text-accent)}.select-file-tab svg{opacity:.7}.select-file-tab.active svg{opacity:1}.select-file-search{display:flex;align-items:center;gap:var(--space-2);padding:10px var(--space-3);border-radius:var(--radius-md);background:var(--input-bg);border:1px solid var(--input-border);width:100%;transition:border-color .2s ease,background .2s ease}@media (hover:hover){.select-file-search:hover{border-color:var(--input-border-hover);background:var(--input-bg-hover)}}.select-file-search:focus-within{border-color:var(--input-border);background:var(--input-bg)}.select-file-search svg{color:var(--text-disabled);flex-shrink:0}.select-file-search:focus-within svg{color:var(--text-muted)}.select-file-search input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-size:var(--text-sm);line-height:1.4}.select-file-search input::placeholder{color:var(--text-disabled)}.select-file-modal-content{flex:1;overflow-y:auto;padding:var(--space-4) var(--space-6);min-height:280px;border-top:1px solid var(--border-subtle);scrollbar-width:thin;scrollbar-color:var(--bg-glass) transparent}.select-file-modal-content::-webkit-scrollbar{width:5px}.select-file-modal-content::-webkit-scrollbar-track{background:transparent}.select-file-modal-content::-webkit-scrollbar-thumb{background:var(--bg-glass);border-radius:var(--radius-xs)}@media (hover:hover){.select-file-modal-content::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}}.select-file-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);height:240px;color:var(--text-muted);font-size:var(--text-sm)}.select-file-spinner{width:28px;height:28px;border:2px solid var(--border-accent-subtle);border-top-color:var(--text-accent);border-radius:var(--radius-circle);animation:sfm-spin .75s linear infinite}@keyframes sfm-spin{to{transform:rotate(1turn)}}.select-file-empty{flex-direction:column;gap:var(--space-3);height:240px;text-align:center}.select-file-empty,.select-file-empty-icon{display:flex;align-items:center;justify-content:center;color:var(--text-disabled)}.select-file-empty-icon{width:64px;height:64px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle)}.select-file-empty-icon svg{opacity:.5}.select-file-empty h3{margin:0;font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--text-muted)}.select-file-empty p{margin:0;font-size:var(--text-sm);max-width:280px;line-height:var(--leading-normal)}.select-file-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}.select-file-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-card);border:1.5px solid transparent;cursor:pointer;transition:all .25s cubic-bezier(.16,1,.3,1)}@media (hover:hover){.select-file-card:hover{border-color:var(--border-strong);background:var(--bg-card-hover)}}.select-file-card.selected{border-color:var(--border-accent)}@media (hover:hover){.select-file-card.selected:hover{border-color:var(--brand-cyan)}}.select-file-card-preview{position:relative;aspect-ratio:1;background:var(--bg-media);overflow:hidden}.select-file-card-media{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.16,1,.3,1)}@media (hover:hover){.select-file-card:hover .select-file-card-media{transform:scale(1.04)}}.select-file-card-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,var(--modal-backdrop-light) 100%);opacity:0;transition:opacity .25s ease;pointer-events:none;z-index:1}@media (hover:hover){.select-file-card:hover .select-file-card-overlay{opacity:1}}.select-file-video-badge{bottom:var(--space-2);width:28px;height:28px;background:var(--scrim-media-heavy);color:var(--text-primary);z-index:2}.select-file-check,.select-file-video-badge{position:absolute;right:var(--space-2);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-circle)}.select-file-check{top:var(--space-2);width:30px;height:30px;background:var(--gradient-brand);color:var(--text-on-brand);z-index:3;animation:sfm-check-pop .3s cubic-bezier(.34,1.56,.64,1) forwards}@keyframes sfm-check-pop{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.select-file-card-info{padding:10px 12px;display:flex;flex-direction:column;gap:3px}.select-file-card-name{font-size:var(--text-xs);font-weight:var(--font-medium);color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}.select-file-card-meta{font-size:var(--text-2xs);color:var(--text-disabled);line-height:1.3}.select-file-modal-footer{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-subtle)}.select-file-footer-hint{flex:1;min-width:0;font-size:var(--text-xs);color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.7}.select-file-footer-actions{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0}.select-file-card:focus-visible{outline:1px solid var(--border-hover);outline-offset:2px;border-color:var(--border-hover)}@media (max-width:640px){.select-file-modal{max-height:90vh}.select-file-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-3)}.select-file-modal-filters{padding:0 var(--space-5) var(--space-3)}.select-file-modal-content{padding:var(--space-4) var(--space-5)}.select-file-modal-footer{flex-direction:column-reverse;padding:var(--space-3) var(--space-5)}.select-file-footer-hint{display:none}.select-file-footer-actions{width:100%}.select-file-footer-actions>*{flex:1}.select-file-modal-header.ui-modal-header{padding:var(--space-4) var(--space-5) var(--space-3)}.select-file-header-icon{width:36px;height:36px}.select-file-card{border-radius:var(--radius-md)}}@media (max-width:380px){.select-file-grid{grid-template-columns:1fr;gap:var(--space-3)}}@media (prefers-reduced-motion:reduce){.select-file-card,.select-file-card-media,.select-file-card-overlay,.select-file-search,.select-file-tab{transition:none}@media (hover:hover){.select-file-card:hover,.select-file-card:hover .select-file-card-media{transform:none}}.select-file-check{animation:none}}