*{box-sizing:border-box}:root{color:#172b46;font-synthesis:none;background:#edf1f5;font-family:system-ui,-apple-system,Segoe UI,sans-serif}body{margin:0}[hidden]{display:none!important}button,a,input{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #1688ff}#reader{flex-direction:column;height:100dvh;display:flex}.reader-header{background:#fff;border-bottom:1px solid #dce3ec;flex-shrink:0;align-items:center;gap:24px;padding:12px 24px;display:flex}.brand{color:#122b45;letter-spacing:-1.5px;font-size:29px;font-weight:850;line-height:1;text-decoration:none}.brand span{color:#0064e6}.brand small{letter-spacing:2px;color:#708197;margin-top:8px;font-size:9px;font-weight:650;display:block}.book-title{flex:1;min-width:0}.book-title>span{letter-spacing:1.5px;text-transform:uppercase;color:#6e7d90;font-size:10px;font-weight:700}h1{white-space:nowrap;text-overflow:ellipsis;margin:5px 0 0;font-size:17px;overflow:hidden}.download{color:#fff;white-space:nowrap;background:#0064e6;border-radius:9px;padding:11px 18px;font-size:13px;font-weight:650;text-decoration:none}.workspace{flex:1;min-height:0;display:flex;position:relative}.reading-area{background:radial-gradient(at 50% 35%,#fff 0,#e5ebf2 85%);flex-direction:column;flex:1;min-width:0;display:flex;position:relative;overflow:hidden}#flip-stage{flex:1;justify-content:center;align-items:center;min-height:0;padding:20px 28px 6px;display:flex;overflow:hidden}#book{margin:auto}.pdf-page{background:#fff;border:1px solid #d7dce3;overflow:hidden;box-shadow:0 0 10px #20324c20}.pdf-page canvas{object-fit:contain;width:100%;height:100%}.page-placeholder{color:#8491a3;pointer-events:none;place-content:center;font-size:12px;display:grid;position:absolute;inset:0}.pdf-page canvas{position:relative}.hint{text-align:center;color:#738197;flex-shrink:0;margin:8px 0 14px;font-size:11px}.toolbar{padding:12px 24px max(12px,env(safe-area-inset-bottom));z-index:5;background:#fff;border-top:1px solid #dce3ec;flex-shrink:0;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;display:grid}.tool-group{align-items:center;gap:5px;display:flex}.toolbar button{color:#243b58;background:0 0;border:0;border-radius:7px;min-width:36px;min-height:38px;padding:8px 10px;font-size:13px}.reader-tools button:hover:not(:disabled),.reader-tools button[aria-pressed=true],.reader-tools button[aria-expanded=true],.toolbar button:hover:not(:disabled),.toolbar button[aria-pressed=true],.toolbar button[aria-expanded=true]{color:#0064e6;background:#eaf2ff}.navigation{border:1px solid #e2e8f0;border-radius:10px;padding:0 5px}.page-label{white-space:nowrap;color:#6e7d90;align-items:center;gap:6px;font-size:13px;display:flex}#page-number{text-align:center;color:#172b46;width:52px;font:inherit;appearance:textfield;background:#f1f5f9;border:0;border-radius:5px;padding:7px 3px}#page-number::-webkit-inner-spin-button{appearance:none}.thumbnails{z-index:4;background:#f8fafc;border-right:1px solid #dce3ec;flex-shrink:0;width:154px;padding:14px;overflow:auto}.thumbnail{color:#64748b;background:0 0;border:2px solid #0000;border-radius:8px;width:100%;margin-bottom:8px;padding:7px;font-size:11px;display:block}.thumbnail[aria-current=true]{color:#0064e6;background:#eaf2ff;border-color:#0064e6}.thumbnail canvas{background:#fff;width:100%;margin-bottom:5px;display:block;box-shadow:0 2px 5px #20324c15}#plain-stage{text-align:center;overscroll-behavior:contain;flex:1;min-height:0;padding:20px;overflow:auto}#plain-page{background:#fff;max-width:none;margin:0 auto;display:block;box-shadow:0 5px 25px #20324c20}.status{color:#526681;z-index:3;text-align:center;position:absolute;top:48%;left:50%;transform:translate(-50%,-50%)}.error{text-align:center;max-width:480px;margin:auto;padding:30px;line-height:1.6}.error button,.error a,dialog button{color:#fff;font:inherit;background:#0064e6;border:0;border-radius:7px;padding:10px 16px;text-decoration:none;display:inline-block}.draft-banner{text-align:center;color:#725211;background:#fff1cc;margin:0;padding:5px;font-size:12px}dialog{color:#172b46;border:1px solid #dce3ec;border-radius:14px;max-width:min(90vw,460px);padding:24px;line-height:1.6}dialog::backdrop{background:#14253a80}dialog h2{font-size:20px}dialog input{width:100%;margin-bottom:14px;padding:10px}dialog form{display:inline-block}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}@media (width<=700px){.reader-header{gap:14px;padding:12px 14px}.brand{font-size:24px}.brand small{letter-spacing:1px;font-size:7px}h1{font-size:13px}.book-title>span{letter-spacing:.5px;font-size:8px}.download{padding:9px 11px;font-size:12px}#flip-stage{padding:12px 8px 0}.toolbar{padding:8px 8px max(8px,env(safe-area-inset-bottom));flex-wrap:wrap;gap:5px}.toolbar button{min-width:36px;padding:7px}.navigation{margin:0}.hint{margin-bottom:8px;font-size:10px}.thumbnails{width:132px;position:absolute;top:0;bottom:0;left:0;box-shadow:5px 0 15px #20324c25}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}.search-bar{background:#fff;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:8px;padding:8px 16px;display:flex}.search-bar input{min-width:120px;font:inherit;border:1px solid #dce3ec;border-radius:7px;flex:1;padding:9px;font-size:14px}.search-bar button{color:#243b58;background:#f1f5f9;border:1px solid #dce3ec;border-radius:7px;padding:9px}#search-status{color:#526681;font-size:12px}#plain-stage,#flip-stage{touch-action:pan-x pan-y}#flip-stage{position:relative}#book{margin:0;inset:12px 16px;min-width:0!important;min-height:0!important;position:absolute!important}#book .stf__wrapper{height:100%;padding-bottom:0!important}@media (width<=700px){#search-status{width:100%}.search-bar{gap:5px;padding:6px 10px}}.reader-tools{background:#fff;border-bottom:1px solid #dce3ec;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:8px 24px;display:flex}.reader-tools button{color:#415570;background:0 0;border:0;border-radius:8px;min-height:40px;padding:10px 14px;font-size:13px}.mode-switch{background:#edf2f7;border-radius:10px;gap:3px;padding:3px;display:flex}.reader-tools .mode-switch button[aria-pressed=true]{color:#005bd0;background:#fff;font-weight:650;box-shadow:0 1px 4px #20324c25}.reading-label{color:#63758b;font-size:12px}.toolbar>.tool-group:last-child{justify-self:end}.search-bar{border-bottom:1px solid #dce3ec;padding:10px 24px}.search-bar input{max-width:480px}.search-bar button{min-width:40px;min-height:40px}.hint{margin:6px 12px 10px}@media (width<=700px){.reader-header{gap:12px;padding:10px 12px}.brand small{display:none}.brand img{width:76px!important;height:28px!important}.reader-tools{gap:4px;padding:6px 8px}.reader-tools button{padding:9px 7px;font-size:12px}.mode-switch{gap:1px;padding:2px}.toolbar{padding:8px 8px max(8px,env(safe-area-inset-bottom));flex-wrap:nowrap;justify-content:space-between;gap:4px;display:flex}.reading-label{display:none}.toolbar button{padding:7px 6px;font-size:12px}.tool-group{gap:1px}.search-bar{padding:8px 10px}.search-bar input{min-width:90px}#search-status:empty{display:none}#page-number{width:34px}.page-label{gap:3px;font-size:12px}.navigation{padding:0 2px}#book{inset:8px}.hint{margin:5px 8px 8px;font-size:10px}#fullscreen{display:none}}