.document-preview-gallery { margin: 12px 0; border-block: 1px solid #d6dde3; }
.document-preview-gallery > summary { display: flex; align-items: center; gap: 9px; min-height: 44px; padding: 8px 4px; font-weight: 650; cursor: pointer; color: #173b4b; }
.document-preview-gallery > summary::after { content: '+'; margin-left: auto; font-size: 20px; }
.document-preview-gallery[open] > summary::after { content: '-'; }
.document-preview-gallery svg { width: 18px; height: 18px; flex: 0 0 18px; }
.document-preview-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(150px,1fr)); gap: 12px; padding-block: 12px; }
.document-preview-tile { display: grid; grid-template-rows: 150px auto auto; align-items: center; min-width: 0; gap: 8px; padding: 10px; color: #253746; background: #f7f9fa; border: 1px solid #c9d3db; border-radius: 4px; text-align: left; cursor: pointer; }
.document-preview-tile canvas { width: 100%; height: 150px; object-fit: contain; background: #e7edef; }
.document-preview-tile span, .document-preview-tile small { overflow-wrap: anywhere; }
.document-preview-tile small { font-size: 12px; color: #475867; }
.document-preview-pages, .document-preview-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding-block: 8px; }
.document-preview-pages { justify-content: flex-end; }
.document-preview-tool { display: inline-flex; width: 44px; height: 44px; min-width: 44px; align-items: center; justify-content: center; padding: 8px; border: 1px solid #bbc9d2; border-radius: 4px; background: #fff; color: #173b4b; cursor: pointer; }
.document-preview-tool svg { width: 20px; height: 20px; }
.document-preview-tool[hidden] { display: none; }
.document-preview-tool:disabled { opacity: .5; cursor: default; }
.document-preview-gallery :focus-visible, .document-preview-dialog :focus-visible, .document-preview-tool:focus-visible { outline: 3px solid #136b8a; outline-offset: 3px; }
.document-preview-dialog { width: min(1200px,calc(100% - 24px)); max-width: calc(100% - 24px); max-height: calc(100dvh - 24px); margin: auto; padding: 16px; border: 1px solid #9faeb8; border-radius: 6px; background: #fff; color: #233744; }
.document-preview-dialog::backdrop { background: rgb(15 25 32 / 65%); }
.document-preview-header { display: flex; align-items: flex-start; gap: 12px; border-bottom: 1px solid #d6dde3; padding-bottom: 10px; }
.document-preview-header h2 { flex: 1; min-width: 0; margin: 8px 0; font-size: 18px; line-height: 1.4; overflow-wrap: anywhere; }
.document-preview-stage { max-height: calc(100dvh - 240px); min-height: 120px; overflow: auto; text-align: center; background: #e7edef; padding: 12px; }
.document-preview-stage canvas { display: block; max-width: none; margin: auto; background: white; }
.document-preview-status { min-height: 20px; margin: 8px 0; font-size: 13px; overflow-wrap: anywhere; }
.document-preview-download { margin-left: auto; min-height: 44px; display: inline-flex; align-items: center; color: #075b7a; text-decoration: underline; overflow-wrap: anywhere; }
@media(max-width:600px) { .document-preview-dialog { padding: 10px; } .document-preview-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; } .document-preview-stage { padding: 6px; } .document-preview-download { margin-left: 0; } }
@media(forced-colors:active) { .document-preview-tile, .document-preview-tool, .document-preview-dialog { border-color: ButtonText; } }