:root{color-scheme:light;--paper:#f7f5ef;--ink:#333b36;--muted:#72766f;--line:#cfcec7;--accent:#29463c;font-family:Arial,Helvetica,sans-serif;background:var(--paper);color:var(--ink)}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%}
[hidden]{display:none!important}
button,input{font:inherit}
button,a,input{-webkit-tap-highlight-color:transparent}
button{color:inherit;cursor:pointer}
button:disabled{cursor:default;opacity:.25}
button:focus-visible,a:focus-visible,input:focus-visible,#book:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.45;stroke-linecap:round;stroke-linejoin:round}
#reader{position:relative;height:100svh;height:100dvh;min-height:0;display:flex;flex-direction:column;align-items:center;padding:0;overflow:hidden;background:var(--paper)}
:root:fullscreen #reader{height:100%}
:root:-webkit-full-screen #reader{height:100%}
#stage{position:relative;flex:1;min-height:0;width:100%;display:flex;align-items:center;justify-content:center}
#book-shell{flex:none;transition:transform 380ms cubic-bezier(.2,.65,.3,1)}
#book-shell.not-ready{position:absolute;visibility:hidden}
#book{outline:none}
.sheet{background:#fffdf8;overflow:hidden;user-select:none}
.sheet::after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 0 1px #0000000b}
.sheet.--left::after{background:linear-gradient(to left,#151e1917,transparent 4%)}
.sheet.--right::after{background:linear-gradient(to right,#151e190f,transparent 4%)}
.sheet img{width:100%;height:100%;display:block;object-fit:contain;pointer-events:none;-webkit-user-drag:none}
.sheet .page-wait{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font:13px Arial,sans-serif;letter-spacing:.02em;color:var(--muted)}
.sheet.is-rendered .page-wait{display:none}
#opening{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
#poster{display:block;max-height:100%;max-width:100%;object-fit:contain}
#load-note{position:absolute;bottom:12px;padding:10px 15px;background:#f9f8f1f5;color:#414b44;font-size:12px;letter-spacing:.025em;border-radius:3px}
#controls{position:absolute;z-index:30;left:50%;bottom:max(10px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;align-items:center;justify-content:center;gap:4px;margin:0;padding:2px 5px;background:#faf9f4ed;border-radius:4px;box-shadow:0 1px 8px #13251d12;transition:opacity 160ms ease,visibility 160ms ease}
#top-controls{position:absolute;z-index:30;top:max(6px,env(safe-area-inset-top));right:max(6px,env(safe-area-inset-right));display:flex;gap:4px}
#top-controls .icon-button{background:#faf9f4eb;box-shadow:0 1px 8px #13251d10}
#fullscreen{transition:opacity 160ms ease,visibility 160ms ease}
#fullscreen .contract-icon{display:none}
#fullscreen[aria-pressed="true"] .expand-icon{display:none}
#fullscreen[aria-pressed="true"] .contract-icon{display:block}
#reader.ui-hidden #controls,#reader.ui-hidden #hint,#reader.ui-hidden #fullscreen{opacity:0;visibility:hidden;pointer-events:none}
#reader.ui-hidden #controls-toggle{background:#faf9f4b3;box-shadow:none;opacity:.65}
#reader.ui-hidden #controls-toggle:hover,#reader.ui-hidden #controls-toggle:focus-visible{opacity:1}
.icon-button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:0;background:transparent;border-radius:3px;padding:10px}
.icon-button:hover:not(:disabled),#page-button:hover{background:#dcded66b}
#page-button{height:44px;min-width:94px;border:0;background:transparent;border-radius:3px;font-size:12px;font-variant-numeric:tabular-nums;letter-spacing:.05em}
.divider{color:#91958f;padding:0 8px}
#page-count{color:var(--muted)}
.toolbar-rule{height:18px;border-left:1px solid var(--line);margin:0 7px}
#hint{position:absolute;z-index:30;bottom:calc(max(10px,env(safe-area-inset-bottom)) + 54px);margin:0;padding:5px 9px;background:#faf9f4ed;border-radius:3px;color:var(--muted);font-size:11px;letter-spacing:.015em;transition:opacity 160ms ease,visibility 160ms ease}
#reader-message{position:absolute;z-index:40;bottom:calc(max(10px,env(safe-area-inset-bottom)) + 86px);max-width:calc(100% - 32px);margin:0;padding:10px 14px;background:#faf9f4;color:var(--ink);border-radius:3px;font-size:13px;line-height:1.4;text-align:center}
#error{position:absolute;z-index:40;bottom:20px;text-align:center;max-width:min(450px,calc(100% - 30px));font-size:14px;padding:14px;background:#faf9f4f5;border-radius:3px}
#error p{margin:5px 0 10px}
#error a{color:var(--accent);margin-left:18px;font-size:13px}
.noscript{position:fixed;bottom:0;left:0;right:0;background:var(--paper);padding:20px;text-align:center}
dialog{border:1px solid #d8d8cc;border-radius:5px;background:#faf9f4;color:var(--ink);padding:32px;max-width:420px;width:calc(100% - 36px);box-shadow:0 15px 70px #14251d30}
dialog::backdrop{background:#18272066;backdrop-filter:blur(3px)}
.eyebrow{font-size:10px;letter-spacing:.16em;color:var(--muted);margin:0 0 16px}
h2{font-family:Georgia,'Times New Roman',serif;font-size:28px;font-weight:400;line-height:1.12;letter-spacing:-.6px;margin:0 0 16px}
dialog p{font-size:14px;line-height:1.6}
.dialog-actions{display:flex;flex-direction:column;gap:6px;margin-top:25px}
.primary-button{min-height:46px;padding:11px 17px;background:var(--accent);color:#f9f8f3;border:1px solid var(--accent);border-radius:3px;font-size:13px}
.primary-button:hover{background:#18342b}
.text-button{min-height:44px;background:transparent;border:0;padding:9px 10px;text-decoration:underline;text-underline-offset:4px;font-size:13px}
.small-note{font-size:11px;color:var(--muted);text-align:center;margin:14px 0 0}
label{display:block;font-size:12px;margin-bottom:9px}
input{width:100%;border:1px solid var(--line);background:#fffefb;border-radius:3px;padding:12px;font-size:18px;color:var(--ink)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#zoom-dialog{max-width:none;width:100%;height:100%;max-height:none;margin:0;padding:0;border:0;border-radius:0;background:var(--paper);overflow:hidden}
#zoom-dialog[open]{display:flex;flex-direction:column}
.zoom-toolbar{display:flex;align-items:center;justify-content:center;gap:8px;padding:env(safe-area-inset-top) 8px 0;flex:none;border-bottom:1px solid var(--line)}
#zoom-label{font-size:12px;font-variant-numeric:tabular-nums;min-width:74px;text-align:center}
#zoom-close{margin-left:12px}
#zoom-scroll{flex:1;min-height:0;overflow:auto;padding:0;touch-action:pan-x pan-y pinch-zoom;overscroll-behavior:contain}
#zoom-image{display:block;width:100%;max-width:none;height:auto;margin:0 auto}
#zoom-scroll.enlarged #zoom-image{width:180%;max-width:1800px}
#zoom-status{text-align:center;font-size:13px;color:var(--muted)}
@media(max-width:600px){dialog{padding:26px}#hint{font-size:10px}.zoom-toolbar{gap:0}#zoom-close{margin-left:4px}}
@media(max-height:450px){#hint{display:none}}
@media(prefers-reduced-motion:reduce){#book-shell,#controls,#hint,#fullscreen{transition:none}}