/* Reader visual layer v4: more lighting themes and uncropped cover pages. */
body[data-theme="paper"]{--background:#ece7da;--surface:#fffdf7;--surface-2:#f5f0e5;--text:#19231f;--muted:#6b746f;--rule:#d9d1c1;--accent:#9a5b32;--button:#16221e;--button-text:#fffdf6;color-scheme:light}
body[data-theme="bright"]{--background:#e9eeee;--surface:#fff;--surface-2:#f3f6f5;--text:#17211f;--muted:#68736f;--rule:#d2dad7;--accent:#37665b;--button:#17211f;--button-text:#fff;color-scheme:light}
body[data-theme="warm"]{--background:#e9dcc8;--surface:#f9eedc;--surface-2:#f1e2cd;--text:#38291e;--muted:#776554;--rule:#d7c5aa;--accent:#8a4f25;--button:#4b3526;--button-text:#fff7ea;color-scheme:light}
body[data-theme="soft"]{--background:#dfe3e1;--surface:#f3f5f4;--surface-2:#e9edeb;--text:#27312d;--muted:#66716c;--rule:#cbd2cf;--accent:#46645a;--button:#26342f;--button-text:#f7faf8;color-scheme:light}
body[data-theme="sage"]{--background:#d8e0d3;--surface:#edf2e9;--surface-2:#e2e9dd;--text:#27352c;--muted:#637066;--rule:#c5d0c2;--accent:#49634f;--button:#2f4235;--button-text:#f5faf3;color-scheme:light}
body[data-theme="night"]{--background:#101714;--surface:#1a2320;--surface-2:#202c28;--text:#dbe3de;--muted:#9eaaa4;--rule:#34413c;--accent:#d2b378;--button:#d2b378;--button-text:#18201d;color-scheme:dark}
body[data-theme="oled"]{--background:#000;--surface:#050505;--surface-2:#10100f;--text:#d8d8d2;--muted:#969690;--rule:#292925;--accent:#cfb979;--button:#cfb979;--button-text:#090909;color-scheme:dark}
.reader-header,.reader-nav,.toc-panel,.reading-area,#chapter-frame{transition:background-color .18s ease,color .18s ease,border-color .18s ease}
body[data-chapter-kind="cover"] .reading-area{background:var(--background)!important}
body[data-chapter-kind="cover"] #chapter-frame{width:min(92%,calc((100vh - var(--header-height) - 5.25rem) * .625))!important;height:calc(100% - 1.1rem)!important;max-width:34rem!important;max-height:calc(100% - 1.1rem)!important;aspect-ratio:5/8!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:0 1rem 3rem rgb(15 20 18/.16)!important}
body[data-chapter-kind="title"] #chapter-frame{width:min(calc(100% - 1rem),52rem)!important}
.theme-label select{max-width:9.6rem;text-overflow:ellipsis}
@media(max-width:900px){body[data-chapter-kind="cover"] #chapter-frame{width:min(82vw,calc((100vh - var(--header-height) - 5rem) * .625))!important;height:calc(100% - .7rem)!important;margin-left:0!important}}
@media(max-width:560px){body[data-chapter-kind="cover"] #chapter-frame{width:min(88vw,calc((100vh - var(--header-height) - 4.6rem) * .625))!important;border:0!important}.theme-label select{max-width:7.4rem;padding-left:.55rem!important}}