/* MTA protected web viewer module — v1.3.1 */
.viewer-status{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:10px;background:#f2f8ff;border:1px solid #c9def5;margin-bottom:14px}.viewer-status>span{font-size:20px}.viewer-status>div{display:grid;gap:3px}.viewer-status small{color:var(--muted);font-size:12px;line-height:1.5}
.file-title-line{display:flex;align-items:center;gap:10px}.file-title-line h1{margin:0}.file-type-icon{width:42px;height:42px;display:grid;place-items:center;border:1px solid #e2e8f0;border-radius:12px;background:#fff;font-size:23px;flex:0 0 auto}
.file-viewer-panel{overflow:hidden}.web-file-reader{min-height:240px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;overflow:hidden}.browser-document-frame{height:min(76vh,980px);min-height:560px;background:#eef2f7}.pdf-frame,.html-frame{display:block;width:100%;height:100%;border:0;background:#fff}.image-stage{min-height:300px;display:flex;align-items:center;justify-content:center;padding:16px;background:repeating-conic-gradient(#f8fafc 0 25%,#fff 0 50%) 50%/24px 24px}.image-stage a{display:flex;max-width:100%;max-height:76vh;align-items:center;justify-content:center}.preview-image{display:block;max-width:100%;max-height:76vh;width:auto;height:auto;object-fit:contain;border-radius:8px;box-shadow:0 8px 30px rgba(15,23,42,.12)}
.media-stage{display:flex;align-items:center;justify-content:center;min-height:280px;padding:18px;background:#111827}.media-stage video{width:min(100%,1100px);max-height:72vh}.media-stage.audio-reader{background:#f8fafc;min-height:160px}.media-stage audio{width:min(100%,760px)}
.sheet-reader{padding:14px;display:grid;gap:18px}.sheet-block{border:1px solid #e5e7eb;border-radius:10px;overflow:hidden}.sheet-title{padding:10px 12px;background:#f8fafc;border-bottom:1px solid #e5e7eb;font-weight:700;position:sticky;left:0}.excel-preview{max-height:65vh;overflow:auto}.excel-table{width:max-content;min-width:100%;border-collapse:collapse}.excel-table td{border:1px solid #e5e7eb;padding:7px 9px;white-space:pre-wrap;min-width:90px;max-width:360px;vertical-align:top;background:#fff}.excel-table tr:nth-child(even) td{background:#fbfdff}
.doc-preview{margin:0;padding:18px;min-height:260px;max-height:72vh;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;background:#fff;color:#111827}.slide-reader{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;padding:16px;background:#f8fafc}.slide-card{aspect-ratio:16/9;background:#fff;border:1px solid #dbe3ec;border-radius:12px;box-shadow:0 8px 24px rgba(15,23,42,.08);padding:18px;overflow:auto}.slide-card-title{font-weight:800;border-bottom:1px solid #e5e7eb;padding-bottom:9px;margin-bottom:10px}.slide-card-body{font-size:14px;line-height:1.6;white-space:normal}.archive-reader{padding:18px}.archive-list{display:grid;gap:6px;max-height:66vh;overflow:auto}.archive-list>div{padding:8px 10px;border:1px solid #edf0f4;border-radius:8px;background:#fafcff;overflow-wrap:anywhere}.binary-preview{padding:16px}.hex-preview{max-height:240px;overflow:auto;white-space:pre-wrap;word-break:break-all;background:#111827;color:#e5e7eb;padding:12px;border-radius:8px}.top-gap{margin-top:12px}
@media(max-width:820px){.file-view-head{gap:12px}.file-view-head .actions{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.file-view-head .actions .btn{justify-content:center}.file-title-line{align-items:flex-start}.file-type-icon{width:38px;height:38px;font-size:20px}.browser-document-frame{height:68vh;min-height:430px}.image-stage{padding:8px;min-height:240px}.preview-image{max-height:68vh}.sheet-reader{padding:8px}.excel-preview{max-height:62vh}.excel-table td{min-width:78px;padding:6px 7px;font-size:12px}.slide-reader{grid-template-columns:1fr;padding:10px}.slide-card{aspect-ratio:auto;min-height:220px}.file-searchbar{display:grid;grid-template-columns:1fr auto}.file-searchbar .btn:last-child{grid-column:1/-1}}
.file-list-name{display:flex;align-items:center;gap:10px;min-width:220px;text-decoration:none}.file-list-name>span:last-child{display:grid;gap:2px}.file-list-name small{font-size:11px;color:var(--muted);font-weight:400}.file-thumb,.file-list-icon{width:46px;height:46px;display:grid;place-items:center;border:1px solid #e5e7eb;border-radius:9px;background:#f8fafc;overflow:hidden;flex:0 0 auto}.file-thumb img{width:100%;height:100%;object-fit:cover}.file-list-icon{font-size:22px}
@media(max-width:820px){.file-list-name{min-width:180px}.file-thumb,.file-list-icon{width:40px;height:40px}}
/* v1.4 rich Office preview */
.office-document-frame{height:min(82vh,1080px);min-height:620px;background:#e9edf2}.office-document-frame iframe{background:#e9edf2}@media(max-width:820px){.office-document-frame{height:72vh;min-height:480px}}