.mb-book{--ink:#34294d;--paper:#fff9ea;box-sizing:border-box;color:var(--ink);font-family:Georgia,'Times New Roman',serif;text-align:center;margin:12px auto;max-width:1100px;width:100%}
.mb-book *{box-sizing:border-box}
.mb-book [hidden]{display:none!important}
.mb-book button{appearance:none;cursor:pointer;font:inherit;min-height:44px;border:1px solid #cfb780;border-radius:24px;padding:10px 20px;background:#fff7e2;color:var(--ink);margin:0;line-height:1.3}
.mb-book button:focus-visible,.mb-book select:focus-visible{outline:3px solid #6d5aa3;outline-offset:3px}
.mb-book button:disabled{opacity:.4;cursor:default}
.mb-book .mb-opener{display:flex;flex-direction:column;align-items:center;gap:15px;margin:auto;max-width:100%}
.mb-book .mb-opener img{display:block;width:auto;height:auto;max-width:min(280px,70vw);border-radius:5px;box-shadow:0 14px 32px #35254b44;margin:0}
.mb-opener strong{font-size:24px;line-height:1.3}
.mb-reader{background:#eee5d8;border-radius:18px;padding:12px}
.mb-toolbar,.mb-navigation{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;margin:0 0 10px}
.mb-navigation{margin:10px 0 0}
.mb-book .mb-toolbar select{flex:1 1 180px;min-width:0;width:auto;max-width:100%;min-height:44px;font:16px Georgia;background:#fff9ea;border:1px solid #cfb780;padding:10px;border-radius:8px;color:var(--ink);margin:0}
.mb-book .mb-expand{flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;padding:10px}
.mb-expand svg{display:block;width:100%;height:100%}
.mb-page{position:relative;max-width:100%;overflow:hidden;border-radius:5px;box-shadow:0 12px 30px #35254b33;margin:auto;line-height:0;touch-action:pan-y pinch-zoom;user-select:none;-webkit-user-select:none}
.mb-book .mb-page img{display:block!important;width:100%!important;height:auto!important;max-width:100%!important;max-height:none!important;margin:0!important;object-fit:contain;cursor:default}
.mb-music{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin:10px 0 0}
.mb-book .mb-song{font-family:Georgia,serif;font-size:20px;font-weight:bold;min-height:52px;padding:10px 20px;border-radius:30px;border:2px solid #d4b568;color:#fff8dc;background:linear-gradient(135deg,#514078,#342951);box-shadow:0 5px 12px #3b275c33;transition:transform .15s}
.mb-book .mb-song:active{transform:scale(.97)}
.mb-book .mb-song[aria-pressed=true]{background:linear-gradient(135deg,#5c7842,#36572d)}
.mb-music audio{display:block;width:300px;max-width:100%;height:54px}
.mb-song-note{flex-basis:100%;font-size:16px;line-height:1.3}
.mb-song-note:empty{display:none}
.mb-status{font-size:16px;line-height:1.3}
/* WordPress themes can turn tablet button labels white on hover or focus. */
.mb-book .mb-reader .mb-navigation button,
.mb-book .mb-reader .mb-navigation button:hover,
.mb-book .mb-reader .mb-navigation button:focus,
.mb-book .mb-reader .mb-navigation button:active{
 color:#34294d!important;
 -webkit-text-fill-color:#34294d!important;
 background:#fff7e2!important;
 background-image:none!important;
}
.mb-book .mb-reader .mb-navigation button:disabled{opacity:.6}
body.mb-expanded-open{overflow:hidden}
.mb-expanded-backdrop{background:#f0d3a7;inset:0;position:fixed;z-index:999998}
.mb-book.is-expanded{position:fixed;inset:12px;margin:0 auto;width:calc(100% - 24px);max-height:calc(100dvh - 24px);overflow:auto;overscroll-behavior:contain;z-index:999999}
@media(max-width:700px){
 .mb-reader{padding:10px 8px}
 .mb-toolbar{display:grid;grid-template-columns:minmax(0,1fr) 44px;gap:8px}
 .mb-book .mb-toolbar select{width:100%;grid-column:1;grid-row:1}
 .mb-expand{grid-column:2;grid-row:1}
 .mb-close{grid-column:1/-1;grid-row:2;justify-self:center}
 .mb-book button{padding:10px 14px}
 .mb-book .mb-expand{padding:10px}
 .mb-book .mb-song{font-size:18px;min-height:48px;padding:10px 16px}
 .mb-navigation{gap:8px}
 .mb-status{width:100%;order:3;font-size:14px}
 .mb-music{gap:8px}
}
@media(prefers-reduced-motion:reduce){.mb-book .mb-song{transition:none}}