:root{color-scheme:dark;--accent:#6fe6df}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#090b0f;color:#fff;font-family:Arial,'Apple SD Gothic Neo',sans-serif}button,input{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.3;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}a{color:inherit}button[aria-pressed=true]{color:var(--accent)}[hidden]{display:none!important}
.reader-shell{display:grid;grid-template-rows:52px minmax(0,1fr) auto;height:100vh;height:100dvh;width:100%;overflow:hidden;background:radial-gradient(ellipse at 50% 44%,#444c58 0,#1d2128 42%,#090b0f 85%)}.reader-topbar{display:flex;align-items:center;gap:10px;padding:0 14px;background:#111318;z-index:20;border-bottom:1px solid #ffffff15}.reader-title{display:grid;gap:4px;flex:1;min-width:0}.reader-title strong,.reader-title small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-title strong{font-size:12px}.reader-title small{color:#ffffff80;font-size:10px}.reader-topbar button,.back-link{border:0;background:none;width:40px;min-height:42px;font-size:22px;text-align:center;text-decoration:none;display:grid;place-items:center}.back-link{width:24px}
.reader-topbar button{flex-shrink:0}.back-link{width:40px;flex:0 0 40px}.back-link img{display:block;width:32px;height:32px;object-fit:contain;border-radius:6px}
.book-viewport{position:relative;min-height:0;min-width:0;display:grid;place-items:center;padding:12px 52px 25px;overflow:hidden;touch-action:none;user-select:none}.book-transform{display:grid;place-items:center;width:100%;height:100%;min-height:0;transform-origin:center;will-change:transform}#flip-book{filter:drop-shadow(0 20px 32px #0008)}.book-sheet{background:white;overflow:hidden;container-type:size;position:relative;user-select:none}.book-sheet img{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none;user-select:none}.book-sheet::after{content:'';position:absolute;inset:0;pointer-events:none;box-shadow:inset 2px 0 8px #0002;z-index:3}.page-text-layer{position:absolute;inset:0;pointer-events:none;overflow:hidden}.text-fragment{position:absolute;color:transparent;white-space:pre;line-height:1;transform-origin:top left;font-family:Arial,'Apple SD Gothic Neo',sans-serif}.selecting .book-sheet,.selecting .text-fragment{user-select:text;-webkit-user-select:text}.selecting .page-text-layer{pointer-events:auto;cursor:text}.text-fragment::selection{background:#35bafa80;color:transparent}.page-arrow{position:absolute;top:50%;transform:translateY(-50%);border:1px solid #ffffff25;border-radius:50%;width:38px;height:44px;background:#111318a0;font-size:28px;z-index:10}.page-arrow.previous{left:6px}.page-arrow.next{right:6px}#gesture-hint{position:absolute;bottom:5px;left:10px;right:10px;text-align:center;color:#ffffff80;font-size:10px;pointer-events:none}#zoom-reset{position:absolute;top:12px;left:50%;transform:translateX(-50%);border:1px solid var(--accent);border-radius:24px;background:#111e;color:var(--accent);padding:9px 13px;z-index:12;font-size:12px}
#orientation-hint{position:absolute;z-index:18;top:12px;left:50%;display:flex;align-items:center;gap:8px;width:max-content;max-width:calc(100% - 20px);padding:8px 9px 8px 12px;transform:translateX(-50%);border:1px solid #6fe6df80;border-radius:12px;background:#101418ed;box-shadow:0 8px 24px #0008;pointer-events:none}#orientation-hint>span{font-size:21px;color:var(--accent)}#orientation-hint strong{font-size:11px;line-height:1.35}#orientation-hint button{flex:0 0 auto;padding:7px 9px;border:1px solid #ffffff45;border-radius:8px;background:#ffffff12;font-size:10px;white-space:nowrap;pointer-events:auto}
.reader-toolbar{display:flex;justify-content:center;gap:4px;padding:7px 10px calc(7px + env(safe-area-inset-bottom));background:#111318f5;border-top:1px solid #ffffff15;z-index:30;touch-action:pan-x}.reader-toolbar button{display:grid;place-items:center;align-content:center;gap:4px;width:58px;min-height:48px;padding:3px 0;border:0;border-radius:8px;background:transparent}.reader-toolbar button:hover{background:#ffffff0a}.reader-toolbar span{font-size:22px;line-height:24px}.reader-toolbar small{font-size:10px;white-space:nowrap}.page-counter b{font-size:17px;color:var(--accent)}.page-counter small{color:#ffffff70}
.dialog-backdrop{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:16px;background:#000b;backdrop-filter:blur(5px)}.dialog-panel{width:min(100%,580px);max-height:85vh;max-height:85dvh;overflow:auto;border:1px solid #ffffff25;border-radius:16px;background:#1b1e24;box-shadow:0 25px 80px #0008}.dialog-panel header{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#1b1e24;border-bottom:1px solid #ffffff18}.dialog-panel h2{font-size:19px;margin:0}.dialog-panel header button{width:40px;height:40px;border:1px solid #ffffff30;border-radius:50%;background:transparent;font-size:25px}#dialog-body{padding:18px}#dialog-body p{font-size:13px;line-height:1.6;color:#ffffffb0}#dialog-body input{width:100%;min-height:46px;padding:10px;border:1px solid #ffffff40;border-radius:8px;background:#101318}#dialog-body .primary{display:block;width:100%;border:0;border-radius:8px;margin-top:12px;padding:13px;background:var(--accent);color:#08201e;font-weight:700}.thumbnails{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.thumbnails button{padding:5px;border:1px solid #ffffff25;border-radius:6px;background:none;min-width:0}.thumbnails img{display:block;width:100%;aspect-ratio:3/4;object-fit:contain;background:white}.thumbnails span{display:block;font-size:11px;margin-top:5px}.thumbnails button[aria-current=true]{border-color:var(--accent)}.search-results button{display:block;width:100%;padding:14px 8px;border:0;border-bottom:1px solid #ffffff20;background:transparent;text-align:left;line-height:1.5}.page-copy{white-space:pre-wrap;font-size:14px;line-height:1.8;user-select:text}#reader-toast{position:fixed;bottom:150px;left:50%;transform:translateX(-50%);max-width:90vw;padding:12px 18px;border:1px solid #ffffff30;border-radius:12px;background:#101418ef;color:white;font-size:12px;z-index:120;pointer-events:none;text-align:center}
.screen-fit .reader-shell{grid-template-rows:0 minmax(0,1fr) auto}.screen-fit .reader-topbar{visibility:hidden}
@media(max-width:720px){.book-viewport{padding:8px 7px 25px}.page-arrow{top:auto;bottom:28px;transform:none;width:32px;height:36px}.reader-toolbar{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:2px;padding:4px 5px calc(4px + env(safe-area-inset-bottom))}.reader-toolbar button{width:100%;min-height:43px}.reader-toolbar span{font-size:20px;line-height:21px}.reader-toolbar small{font-size:9px}.reader-topbar{padding:0 8px}.thumbnails{grid-template-columns:repeat(3,minmax(0,1fr))}.book-sheet{touch-action:none}.selecting .book-sheet{touch-action:auto}#gesture-hint{font-size:9px}}
@media(max-width:1024px) and (orientation:landscape){.landscape-brochure.landscape-device .reader-shell{grid-template-rows:40px minmax(0,1fr) auto}.landscape-brochure.landscape-device .reader-toolbar{display:flex;flex-wrap:nowrap;justify-content:center;gap:0;padding:3px 4px calc(3px + env(safe-area-inset-bottom));overflow-x:auto}.landscape-brochure.landscape-device .reader-toolbar button{flex:1 1 0;width:auto;min-width:40px;max-width:58px;min-height:39px;padding:2px 0}.landscape-brochure.landscape-device .reader-toolbar span{font-size:18px;line-height:19px}.landscape-brochure.landscape-device .reader-toolbar small{font-size:8px}}
@media(max-height:450px){.reader-toolbar{display:flex;gap:0;padding:3px;overflow-x:auto;justify-content:safe center}.reader-toolbar button{flex:0 0 48px;min-height:39px}.reader-toolbar small{font-size:8px}.reader-shell{grid-template-rows:40px minmax(0,1fr) auto}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}