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@media(max-width:1050px){.paper-compact-header{grid-template-columns:auto minmax(0,1fr);gap:14px 18px}.paper-header-actions{grid-column:1/-1;justify-content:flex-end}.paper-class-form{margin-right:auto}}
@media(max-width:600px){.paper-compact-header{padding:14px 12px;gap:14px 12px;margin-bottom:12px}.paper-compact-header .paper-back{font-size:.875rem;padding:9px 10px;gap:6px}.paper-identity h1{font-size:1.15rem;margin-bottom:7px}.paper-meta{font-size:.8rem;gap:6px}.paper-header-actions{flex-wrap:wrap;gap:8px}.paper-class-form{flex:1 1 100%;max-width:none;grid-template-columns:minmax(0,1fr) auto;margin:0}.paper-class-form select{max-width:100%;width:100%;font-size:16px}.paper-enhanced .paper-class-form{grid-template-columns:minmax(0,1fr)}.paper-header-actions .button-link{font-size:.875rem}.paper-side-panel{inset:auto 0 0;margin:0;width:100%;height:auto;max-height:85dvh;border:0;border-radius:16px 16px 0 0;padding:18px}.paper-panel-heading{top:-18px}.app-navigation nav{right:auto;left:0}header:has(.app-navigation){gap:.7rem}.paper-page .viewer-page-controls{min-width:0;flex-wrap:wrap}.paper-page .compact-toolbar .viewer-zoom-label select{font-size:16px}}
/* Present is the primary teaching action; utilities remain quiet. */
.paper-page .present-link{display:inline-flex;align-items:center;gap:8px;justify-content:center;min-height:44px;padding:10px 16px;margin:6px 0;background:#066c7a;color:#fff;border-radius:8px;font-size:.9rem;font-weight:600}.paper-page .present-link:hover{background:#075661}.paper-page .compact-toolbar button,.paper-page .compact-toolbar .button-link{min-height:42px;font-size:.875rem}.paper-page .compact-toolbar input,.paper-page .compact-toolbar select{min-height:42px}.paper-page .compact-toolbar input{font-size:.875rem}.app-navigation>summary::marker{content:""}.app-navigation>summary::-webkit-details-marker{display:none}

.paper-page .viewer-page-controls>button{display:inline-flex;align-items:center;justify-content:center;min-width:42px}.viewer-page-controls svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.viewer-page-controls [data-count]{white-space:nowrap}
@media(max-width:600px){.paper-page .compact-toolbar{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px 8px}.paper-page .viewer-page-controls{grid-column:1/-1;display:flex;flex-wrap:nowrap;justify-content:center;gap:10px;min-width:0;width:100%}.paper-page .viewer-page-controls>button{padding:8px;min-width:42px;flex-shrink:0}.paper-page .compact-toolbar .viewer-page-label{font-size:.8rem;gap:6px}.paper-page .compact-toolbar .viewer-page-label input{width:3rem}.paper-page .compact-toolbar .viewer-zoom-label{grid-column:1;min-width:0}.paper-page .viewer-zoom-text{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.paper-page .compact-toolbar .viewer-zoom-label select{width:110px;padding:6px;font-size:.875rem}.paper-page .viewer-tools{grid-column:2;justify-content:flex-end;flex-wrap:nowrap;gap:4px;margin:0}.paper-page .viewer-tools button,.paper-page .viewer-tools .button-link{font-size:.8rem;padding:8px 7px}}
@media(max-width:359px){.paper-page .compact-toolbar{grid-template-columns:minmax(0,1fr)}.paper-page .compact-toolbar .viewer-zoom-label{grid-column:1}.paper-page .compact-toolbar .viewer-zoom-label select{width:100%}.paper-page .viewer-tools{grid-column:1;justify-content:space-between}.paper-page .viewer-tools>*{flex:1;justify-content:center;text-align:center}}

/* Recorded use: shared class-specific traffic-light palette. */
:root{--usage-none-bg:#e5f4ee;--usage-none-ink:#255747;--usage-part-bg:#fff1d6;--usage-part-ink:#795214;--usage-whole-bg:#fde8e7;--usage-whole-ink:#9f2824}
.usage-badge{display:inline-flex;align-items:center;gap:6px}.usage-badge svg{width:15px;height:15px;flex-shrink:0;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.usage-badge[data-state=none]{background:var(--usage-none-bg);color:var(--usage-none-ink)}.usage-badge[data-state=selected]{background:var(--usage-part-bg);color:var(--usage-part-ink)}.usage-badge[data-state=whole]{background:var(--usage-whole-bg);color:var(--usage-whole-ink)}
.library-list-row[data-usage=whole]{border-left:4px solid #c95851}.library-list-row[data-usage=selected]{border-left:4px solid #d49a2d}