/* Reader controls only: original PDF pages and reading behaviour are untouched. */
.heritage-site .reader-shell{font-family:'Noto Sans',sans-serif;background:#eef2f6;padding:24px clamp(16px,3vw,48px) 40px;min-height:80vh}
.reader-shell .reader-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 auto 20px;max-width:1600px}
.reader-shell .reader-top a{font-size:13px;font-weight:600;color:#456078;min-height:40px;display:flex;align-items:center}
.reader-shell .reader-top h1{font-family:'Golos Text','Noto Sans',sans-serif;font-size:clamp(20px,2vw,28px);font-weight:650;letter-spacing:-.025em;margin:0;line-height:1.3;text-align:right}
.reader-shell .reader-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;max-width:1600px;margin:0 auto;padding:16px;border:1px solid #dce4eb;background:#fff;border-radius:14px;box-shadow:0 4px 18px #16355306}
.reader-shell .reader-toolbar label{display:flex;align-items:center;gap:8px;font-size:11px;color:#63758a;font-weight:600;margin:0;white-space:nowrap}
.reader-shell .reader-toolbar button,.reader-shell .reader-toolbar .button,.reader-shell .reader-toolbar input,.reader-shell .reader-toolbar select{font-family:'Noto Sans',sans-serif;font-size:12px;line-height:1.4;min-height:42px;border:1px solid #d7e0e9;border-radius:7px;background:#fff;color:#183c5d;padding:10px 12px;box-shadow:none;margin:0}
.reader-shell .reader-toolbar button{font-weight:600;cursor:pointer}.reader-shell .reader-toolbar button:hover,.reader-shell .reader-toolbar .button:hover{background:#edf3f9;border-color:#adc2d5;transform:none}
.reader-shell .reader-toolbar #prev,.reader-shell .reader-toolbar #next{font-size:20px;min-width:42px;padding:5px 10px}
.reader-shell #page-number{width:62px;text-align:center;font-weight:650}.reader-shell #page-count{min-width:36px;font-variant-numeric:tabular-nums}
.reader-shell #mode{min-width:124px}.reader-shell #zoom{min-width:148px}.reader-shell #fullscreen{background:#173c60;color:white;border-color:#173c60}
.reader-shell #pdf-search{display:flex;gap:6px;align-items:center;margin:0;flex:1;min-width:200px}.reader-shell #inside-search{min-width:130px;width:100%;flex:1}
.reader-shell .reader-message{max-width:1600px;margin:14px auto;font-size:12px;color:#526b82;line-height:1.6;min-height:20px}
.reader-shell .reader-stage{border-radius:12px;background:#e2e8ef;padding:22px;max-width:1600px;margin:0 auto;border:1px solid #d9e2eb}
.reader-shell .pdf-page{box-shadow:0 4px 22px #17355316;border-radius:2px}
.reader-shell:fullscreen{padding:20px;background:#eef2f6}
@media(max-width:767px){.heritage-site .reader-shell{padding:16px 12px 28px}.reader-shell .reader-top{gap:10px;align-items:flex-start}.reader-shell .reader-top h1{font-size:19px}.reader-shell .reader-top a{font-size:11px}.reader-shell .reader-toolbar{gap:8px;padding:12px;border-radius:10px}.reader-shell .reader-toolbar label{font-size:10px;gap:5px}.reader-shell .reader-toolbar button,.reader-shell .reader-toolbar select{font-size:11px;padding:8px}.reader-shell #pdf-search{min-width:100%;order:5}.reader-shell #zoom{min-width:120px;max-width:145px}.reader-shell #mode{min-width:105px}.reader-shell .reader-stage{padding:10px}}

.reader-stage[data-mode=book]{align-items:center;min-height:300px;overflow:auto;padding:16px}.reader-stage[data-mode=book] .flip-stage{flex-shrink:0;margin:auto}.reader-stage[data-mode=book] .flip-page{background:white;overflow:hidden}.reader-stage[data-mode=book] canvas{max-width:100%;display:block}