/* Ultra-smooth E2EE media presentation layer. */
.attachment-preview{position:relative;overflow:hidden;border-radius:12px;contain:layout paint;transform:translateZ(0);isolation:isolate;background:transparent}.attachment-preview::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;border-radius:inherit;opacity:0;background:linear-gradient(110deg,#e7eef2 8%,#f7fafb 18%,#e7eef2 33%);background-size:220% 100%;transition:opacity .32s ease}.attachment-preview::after{content:"";position:absolute;z-index:2;left:50%;top:50%;width:28px;height:28px;margin:-14px 0 0 -14px;border-radius:50%;border:2px solid rgba(184,199,208,.55);border-top-color:#229ed9;opacity:0;pointer-events:none;transform:rotate(0deg);transition:opacity .22s ease}.attachment-preview.encrypted-loading{min-height:112px;display:grid;place-items:center;background:#edf3f6;box-shadow:inset 0 0 0 1px rgba(255,255,255,.45)}.attachment-preview.encrypted-loading::before{opacity:1;animation:mediaUltraShimmer 1.35s linear infinite}.attachment-preview.encrypted-loading::after{opacity:.85;animation:mediaUltraSpinner .72s linear infinite}.chat-media-image{position:relative;z-index:1;display:block;max-width:min(360px,65vw);max-height:320px;border-radius:10px;object-fit:cover;opacity:0!important;filter:blur(3px)!important;transform:translate3d(0,4px,0) scale(.992)!important;will-change:opacity,transform,filter;backface-visibility:hidden;transition:opacity .28s cubic-bezier(.22,1,.36,1),transform .42s cubic-bezier(.22,1,.36,1),filter .42s cubic-bezier(.22,1,.36,1)}.chat-media-image.media-ready{opacity:1!important;filter:blur(0)!important;transform:translate3d(0,0,0) scale(1)!important}.chat-media-image:hover{transform:translate3d(0,0,0) scale(1.006)!important}.chat-media-video,.chat-media-audio,.file-card{position:relative;z-index:1;animation:mediaUltraContent .24s cubic-bezier(.22,1,.36,1) both}.chat-media-image,.attachment-preview a{-webkit-user-drag:none;user-select:none}.attachment-preview:not(.encrypted-loading),.attachment-preview:not(.encrypted-loading)::before{background:transparent!important;box-shadow:none!important}.attachment-preview:not(.encrypted-loading)::before{display:none!important}.attachment-preview:not(.encrypted-loading){padding:0!important}@keyframes mediaUltraShimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}@keyframes mediaUltraSpinner{to{transform:rotate(360deg)}}@keyframes mediaUltraContent{from{opacity:0;transform:translate3d(0,4px,0)}to{opacity:1;transform:translate3d(0,0,0)}}@media(max-width:700px){.chat-media-image{max-width:78vw}}@media(prefers-reduced-motion:reduce){.attachment-preview.encrypted-loading::before,.attachment-preview.encrypted-loading::after{animation:none}.chat-media-image,.chat-media-video,.chat-media-audio,.file-card{animation:none;transition:none}}