.chat-library-dialog,.chat-media-viewer{box-sizing:border-box;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);padding:18px;width:min(920px,94vw);max-height:92dvh;overflow:auto}
.chat-library-dialog::backdrop,.chat-media-viewer::backdrop{background:#07121bc4;backdrop-filter:blur(3px)}
.chat-library-heading{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-bottom:14px}
.chat-library-heading h2{margin:0;font-size:18px;line-height:1.3}
.chat-library-heading button{flex-shrink:0}
.chat-library-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.chat-library-filters{display:flex;gap:4px;flex-wrap:wrap;width:100%}
.chat-library-filters button[aria-pressed=true]{background:var(--selected);border-color:var(--focus);color:var(--ink)}
.chat-library-toolbar input{flex:1;min-width:160px;margin:0;padding:9px 12px;border-radius:8px;border:1px solid var(--line);background:var(--raised);color:var(--ink)}
.chat-library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(185px,1fr));gap:12px}
.chat-library-card{min-width:0;border:1px solid var(--line);border-radius:10px;padding:9px;display:flex;flex-direction:column;gap:7px;background:var(--raised)}
.chat-library-preview{position:relative;width:100%;height:150px;overflow:hidden;padding:0;border:0;border-radius:7px;background:color-mix(in srgb,var(--ink) 6%,var(--surface));cursor:zoom-in;display:grid;place-items:center}
.chat-library-preview img,.chat-library-preview video{display:block;width:100%;height:150px;object-fit:cover;pointer-events:none}
.chat-library-preview.preview-unavailable:after{content:attr(data-fallback);color:var(--muted);font-size:14px}
.chat-library-play{position:absolute;z-index:1;display:grid;place-items:center;width:40px;height:40px;background:#000a;color:#fff;border-radius:50%;pointer-events:none}
.chat-library-file-name{font-size:12px;overflow-wrap:anywhere;line-height:1.45;color:var(--link)}
.chat-library-card small{display:block;font-size:10px;line-height:1.4;overflow-wrap:anywhere;color:var(--muted)}
.chat-library-card audio{width:100%;min-width:0;max-width:100%;height:38px;margin-top:8px}
.chat-library-file-icon{display:block;color:var(--link);font-size:34px;line-height:60px;text-align:center}
.chat-library-more{display:block;margin:16px auto 0}
.chat-library-more[hidden]{display:none}
.chat-media-viewer{width:min(1200px,96vw);height:min(850px,94dvh);display:flex;flex-direction:column;overflow:hidden;background:#10171d;color:#f4f7f9}
.chat-media-viewer:not([open]){display:none}
.chat-media-viewer .chat-library-heading{flex:none}
.chat-media-viewer .chat-library-heading .quiet{color:#f4f7f9;background:#ffffff0c;border-color:#ffffff30}
.chat-media-stage{flex:1;min-height:120px;min-width:0;overflow:auto;display:grid;place-items:center;position:relative;background:#080c10;border-radius:8px}
.chat-media-stage>img,.chat-media-stage>video{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;min-width:0}
.chat-media-stage>img{height:100%;width:100%}
.chat-media-stage>video{width:100%;height:100%}
.chat-media-stage.is-zoomed{display:block}
.chat-media-stage.is-zoomed>img{width:150%;max-width:none;height:auto;max-height:none;object-fit:contain}
.chat-media-load-error{position:absolute;inset:auto 10px 10px;background:#10171de6;color:#fff;padding:12px;border-radius:8px;font-size:13px}
.chat-media-footer{display:flex;align-items:center;gap:14px;justify-content:space-between;padding-top:12px;flex:none;flex-wrap:wrap}
.chat-media-caption{display:grid;gap:4px;min-width:0;flex:1 1 220px}
.chat-media-caption strong{font-size:12px;overflow-wrap:anywhere}
.chat-media-caption small{font-size:10px;color:#b5c1ca;overflow-wrap:anywhere}
.chat-media-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.chat-media-actions :is(button,a){color:#f4f7f9;background:#ffffff0c;border:1px solid #ffffff30;border-radius:6px;min-height:32px;padding:6px 10px;font-size:12px;text-decoration:none}
.chat-media-actions button[hidden]{display:none}
.chat-media-actions button:disabled{opacity:.35}
.chat-media-actions>span{font-size:12px;min-width:45px;text-align:center}
@media(max-width:600px){.chat-library-dialog,.chat-media-viewer{padding:12px;border-radius:10px}.chat-library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.chat-library-preview,.chat-library-preview img,.chat-library-preview video{height:120px}.chat-media-footer{gap:10px}.chat-media-actions{width:100%;justify-content:center}.chat-media-caption{flex-basis:100%}.chat-media-actions :is(button,a){padding:6px 8px}.chat-library-heading h2{font-size:16px}}

html body dialog.chat-library-dialog{width:min(920px,94vw);max-width:94vw}
html body dialog.chat-media-viewer{width:min(1200px,96vw);max-width:96vw;overflow:hidden}
.chat-library-heading{background:transparent;color:inherit;padding:0;position:static;border:0;min-height:0}
.chat-library-heading h2{color:inherit}