:root{color-scheme:dark;--ink:#101e2d;--text:#eef3f8;--muted:#aab9c9;--accent:#ffa15a;--line:#ffffff1c;font-family:Arial,Helvetica,sans-serif;font-size:16px}
[hidden]{display:none!important}
*{box-sizing:border-box}body{margin:0;background:var(--ink);color:var(--text)}button,input{font:inherit}button{cursor:pointer}button,input{accent-color:var(--accent)}button{color:inherit}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:disabled{cursor:default;opacity:.25}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}button svg{pointer-events:none}
.reader{height:100vh;height:100dvh;min-height:440px;display:flex;flex-direction:column;overflow:hidden;background:radial-gradient(ellipse at 50% 50%,#2a3b4d 0%,#182839 43%,#101e2d 80%)}
.header{min-height:96px;padding:20px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);flex-shrink:0}.identity{display:flex;align-items:center;gap:15px;min-width:0}.brand-icon{width:42px;height:46px;display:grid;place-items:center;color:var(--accent);border:1px solid #ffa15a50;border-radius:7px}.brand-icon svg{width:26px;height:26px}h1{font-family:Georgia,'Times New Roman',serif;font-size:24px;font-weight:400;line-height:1.2;margin:0 0 5px}p{margin:0}.identity p{font-size:14px;line-height:1.4;color:var(--muted)}.actions{display:flex;align-items:center;gap:10px}.tool{background:transparent;border:1px solid var(--line);border-radius:7px;min-height:44px;padding:9px 13px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:14px}.tool:hover{background:#ffffff0c;border-color:#ffffff40}.icon-only{width:44px;padding:9px}
.workspace{position:relative;flex:1;min-height:0;display:flex;padding:22px 88px 18px}.stage{width:100%;height:100%;display:flex;align-items:center;justify-content:center;perspective:2500px;touch-action:pan-y;user-select:none;-webkit-user-select:none}.book{position:relative;flex-shrink:0;transform-style:preserve-3d;transition:transform .68s cubic-bezier(.25,.7,.25,1);visibility:hidden}.book.ready{visibility:visible}.page{position:absolute;top:0;width:50%;height:100%;background:#fff;box-shadow:0 18px 42px #0005;overflow:hidden;cursor:pointer}.page.left{left:0}.page.right{right:0}.page img,.face img{display:block;width:100%;height:100%;object-fit:fill}.page:after{content:'';position:absolute;inset:0;pointer-events:none}.page.left:after{background:linear-gradient(to left,#0000001a,transparent 5%)}.page.right:after{background:linear-gradient(to right,#0000001a,transparent 5%)}.page.blank{visibility:hidden}.book.closed .page:after,.book.single .page:after{display:none}.book.single .page.left{display:none}.book.single .page.right{width:100%}.turn{position:absolute;z-index:5;top:50%;transform:translateY(-50%);height:54px;width:48px;display:grid;place-items:center;border:1px solid #ffffff25;background:#ffffff06;border-radius:9px}.turn:hover:enabled{border-color:var(--accent);color:var(--accent);background:#ffa15a09}.prev{left:24px}.next{right:24px}.turn svg{width:26px;height:26px}.loading{position:absolute;font-size:14px;color:var(--muted)}
.leaf{position:absolute;top:0;width:50%;height:100%;display:none;transform-style:preserve-3d;z-index:4}.leaf.forward{left:50%;transform-origin:left}.leaf.backward{left:0;transform-origin:right}.leaf.active{display:block}.face{position:absolute;inset:0;background:white;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;box-shadow:0 5px 25px #0003}.face.back{transform:rotateY(180deg)}.face:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#0002,transparent 35%,#0001);pointer-events:none}.face.blank{background:transparent;box-shadow:none}.face.blank:after{display:none}
.footer{flex-shrink:0;width:min(100% - 48px,580px);align-self:center;padding:7px 0 19px}.pagination{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px;min-height:36px}.pagination>span{color:var(--muted)}#pageForm{display:flex;align-items:center;gap:9px}#pageForm label{color:var(--muted)}#pageNumber{width:54px;height:34px;text-align:center;border:1px solid #ffffff2a;background:#ffffff08;color:var(--text);border-radius:5px;appearance:textfield;-moz-appearance:textfield}#pageNumber::-webkit-inner-spin-button,#pageNumber::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}#total{color:var(--muted)}.progress{display:block;width:100%;height:24px;margin:7px 0 1px;cursor:pointer;background:transparent}.hint{text-align:center;font-size:12px;line-height:1.6;color:#95a7b9}.mobile-hint{display:none}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:pre-wrap;border:0}
dialog{padding:0;border:1px solid #ffffff26;border-radius:12px;background:#172636;color:var(--text);width:calc(100% - 48px);max-width:1500px;height:calc(100dvh - 48px);max-height:none;overflow:hidden}dialog::backdrop{background:#050c16df;backdrop-filter:blur(6px)}dialog[open]{display:flex;flex-direction:column}.zoom-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line);flex-shrink:0}.zoom-bar>span{font-size:14px}.zoom-bar>div{display:flex;align-items:center;gap:8px}#zoomPercent{min-width:46px;text-align:center;font-size:14px}.zoom-scroll{flex:1;overflow:auto;min-height:0;overscroll-behavior:contain}.zoom-pages{width:fit-content;min-width:100%;padding:24px;display:flex;justify-content:center;align-items:flex-start;gap:16px}.zoom-pages img{width:var(--zoom-width,700px);height:auto;max-width:none;display:block;box-shadow:0 10px 30px #0004}
@media(max-width:720px){.header{min-height:85px;padding:15px 18px;gap:12px}.identity{gap:10px}.brand-icon{display:none}h1{font-size:22px}.identity p{font-size:12px}.identity p span{display:none}.actions{gap:6px}.tool{padding:9px}.tool span{display:none}.workspace{padding:18px 39px 16px}.turn{width:32px;height:46px;background:transparent;border:0}.prev{left:3px}.next{right:3px}.footer{width:calc(100% - 40px);padding-bottom:14px}.desktop-hint{display:none}.mobile-hint{display:inline}.pagination{font-size:13px}.pagination>span{max-width:130px}.hint{font-size:12px}dialog{width:100%;height:100dvh;max-width:none;max-height:none;border-radius:0;border:0}.zoom-bar{padding:10px}.zoom-bar>span{font-size:12px}.zoom-bar>div{gap:5px}.zoom-pages{padding:16px}.zoom-bar .tool{width:38px;min-height:42px}}
@media(max-height:550px) and (min-width:721px){.header{min-height:64px;padding:10px 24px}.header h1{font-size:20px}.header p{font-size:12px}.brand-icon{height:36px}.workspace{padding-top:12px;padding-bottom:8px}.footer{padding-bottom:8px}.hint{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}