.embed-frame{display:flex;position:fixed;inset:0}.embed-frame>*{flex:auto;min-width:0}.embed-root{--paper:#fff;--surface:#e9e9ea;--surface-deep:#dcdcde;--ink:#1f2023;--ink-soft:#6b6c70;--line:#0000001a;--accent:#2f6df6;background:radial-gradient(120% 80% at 50% 0%,#f4f4f5 0%,var(--surface)55%,var(--surface-deep)100%);width:100%;height:100%;min-height:0;color:var(--ink);font-family:var(--font-sans,ui-sans-serif,system-ui,sans-serif);-webkit-user-select:none;user-select:none;touch-action:pan-y;flex-direction:column;display:flex;position:relative;overflow:hidden}.embed-root--message{text-align:center;color:var(--ink-soft);justify-content:center;align-items:center;gap:12px;padding:32px;font-size:14px}.embed-top{flex:none;justify-content:space-between;align-items:center;gap:16px;padding:10px 14px;display:flex}.embed-top__identity{align-items:center;gap:10px;min-width:0;display:flex}.embed-top__title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.embed-top__pages{color:var(--ink-soft);font-variant-numeric:tabular-nums;background:#0000000f;border-radius:999px;flex:none;padding:3px 9px;font-size:12px}.embed-canvas{flex:auto;min-height:0;position:relative}.embed-stage{overscroll-behavior:contain;width:100%;height:100%;display:flex;overflow:visible}.embed-stage[data-zoomed=true]{overflow:auto}.embed-stage,.embed-grid,.embed-search__results{scrollbar-width:none;-ms-overflow-style:none}.embed-stage::-webkit-scrollbar{width:0;height:0;display:none}.embed-grid::-webkit-scrollbar{width:0;height:0;display:none}.embed-search__results::-webkit-scrollbar{width:0;height:0;display:none}.embed-stage__inner{margin:auto;padding:28px;display:block}.embed-book-shell{isolation:isolate;flex:none;display:block;position:relative}.embed-stage--pannable{cursor:grab;touch-action:none}.embed-stage--panning{cursor:grabbing;touch-action:none}.embed-stage--pannable *,.embed-stage--panning *{cursor:inherit!important}.embed-stage__loading{color:var(--ink-soft);pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:13px;display:flex;position:absolute;inset:0}.embed-loading-mark{color:#fff;background:linear-gradient(45deg,#9ebfe2,#6c9cf1);border-radius:10px;place-items:center;width:38px;height:38px;animation:1.5s ease-in-out infinite embed-pulse;display:grid;box-shadow:0 6px 16px -6px #6c9cf1bf}@keyframes embed-pulse{0%,to{opacity:.55;transform:scale(.94)}50%{opacity:1;transform:scale(1.06)}}@media (prefers-reduced-motion:reduce){.embed-loading-mark{animation:none}}.embed-spinner{border:2px solid #0000001f;border-top-color:var(--accent);border-radius:50%;width:26px;height:26px;animation:.8s linear infinite embed-spin}@keyframes embed-spin{to{transform:rotate(360deg)}}.embed-book{z-index:2;box-shadow:none;flex:none;display:block;position:relative}.embed-book--cover{box-shadow:none}.embed-book--cover .embed-flip-page[data-page="1"]{box-shadow:0 1px 2px #00000014,0 18px 40px -12px #00000059}.embed-flip-page{background:var(--paper)}.embed-page{background:var(--paper);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.embed-page--blank{background:linear-gradient(#fbfbfb,#f2f2f3)}.embed-page--cloneable{background-position:50%;background-repeat:no-repeat;background-size:contain}.embed-page__pending{background:linear-gradient(100deg,#0000 30%,#0000000b 50%,#0000 70%) 0 0/300% 100%;animation:1.6s ease-in-out infinite embed-shimmer;position:absolute;inset:0}@keyframes embed-shimmer{0%{background-position:150% 0}to{background-position:-50% 0}}@media (prefers-reduced-motion:reduce){.embed-page__pending{animation:none}}.embed-page__canvas{width:auto;max-width:100%;height:auto;max-height:100%;display:block}.embed-stack{box-sizing:border-box;cursor:pointer;z-index:1;border-top:1px solid #ffffffeb;border-bottom:1px solid #0000001a;display:block;position:absolute;top:0}.embed-stack--empty{pointer-events:none;visibility:hidden}.embed-book-shell:not(:has(.embed-book)) .embed-stack{display:none}.embed-stack[data-side=left]{background:linear-gradient(90deg,#0000001a,#0000 16%),repeating-linear-gradient(90deg,#ededeb 0,#fff 1.5px,#dcdcd9 2.3px,#f9f9f7 3.4px);border-radius:2px 0 0 2px;right:100%;box-shadow:inset -8px 0 10px -10px #0000008c,-3px 7px 12px -9px #0006}.embed-stack[data-side=right]{background:linear-gradient(270deg,#0000001a,#0000 16%),repeating-linear-gradient(90deg,#f9f9f7 0,#fff 1.5px,#dcdcd9 2.3px,#ededeb 3.4px);border-radius:0 2px 2px 0;left:100%;box-shadow:inset 8px 0 10px -10px #0000008c,3px 7px 12px -9px #0006}.embed-stack:before,.embed-stack:after{content:"";pointer-events:none;z-index:2;height:9px;position:absolute;left:0;right:0}.embed-stack:before{background:linear-gradient(#0000001a,#0000);top:0}.embed-stack:after{background:linear-gradient(#0000,#0000001c);bottom:0}.embed-stack__sheet{pointer-events:none;background:linear-gradient(#fffffff2,#9a9a96b3 48%,#ffffffe0);border-radius:999px;width:1px;position:absolute;transform:translate(-50%);box-shadow:-.5px 0 #ffffffb8,.5px 0 #0000001f}.embed-stack:hover{filter:brightness(1.035)contrast(1.025)}.embed-stack__tip{pointer-events:none;z-index:6;background:#18191ceb;border-radius:8px;flex-direction:column;align-items:center;gap:6px;padding:6px;display:flex;position:absolute;top:0;transform:translateY(-50%);box-shadow:0 8px 24px #00000047}.embed-stack__tip[data-side=right]{left:calc(100% + 10px)}.embed-stack__tip[data-side=left]{right:calc(100% + 10px)}.embed-stack__tip-canvas{background:var(--paper);border-radius:3px;width:84px;height:auto;display:block}.embed-stack__tip-number{color:#fff;font-variant-numeric:tabular-nums;font-size:12px;font-weight:600}.embed-deck{touch-action:pan-y;width:100%;height:100%;overflow:hidden}.embed-deck__track{backface-visibility:hidden;height:100%;display:flex}.embed-deck__slide{flex:0 0 100%;justify-content:center;align-items:center;min-width:0;padding:12px;display:flex}.embed-deck__paper{background:var(--paper);flex:none;position:relative;box-shadow:0 1px 2px #00000014,0 14px 30px -14px #0006}.embed-slider{flex:none;padding:2px 18px 0;position:relative}.embed-slider__input{appearance:none;cursor:pointer;background:0 0;width:100%;height:20px;margin:0;display:block}.embed-slider__input::-webkit-slider-runnable-track{background:#0000002e;border-radius:999px;height:3px}.embed-slider__input::-moz-range-track{background:#0000002e;border-radius:999px;height:3px}.embed-slider__input::-webkit-slider-thumb{appearance:none;background:var(--ink);border:2px solid #fff;border-radius:50%;width:20px;height:20px;margin-top:-8.5px;box-shadow:0 1px 4px #00000059}.embed-slider__input::-moz-range-thumb{background:var(--ink);border:2px solid #fff;border-radius:50%;width:20px;height:20px;box-shadow:0 1px 4px #00000059}.embed-slider__preview{pointer-events:none;z-index:7;background:#18191ceb;border-radius:10px;flex-direction:column;align-items:center;gap:6px;padding:6px;display:flex;position:absolute;bottom:calc(100% - 2px);transform:translate(-50%);box-shadow:0 10px 28px #00000052}.embed-slider__preview-canvas{background:var(--paper);border-radius:3px;width:96px;height:auto;display:block}.embed-slider__preview-number{color:#fff;font-variant-numeric:tabular-nums;font-size:13px;font-weight:600}.embed-hint{z-index:6;border:1px solid var(--line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);max-width:min(330px,100% - 24px);color:var(--ink-soft);background:#fffffff0;border-radius:12px;align-items:center;gap:10px;padding:8px 6px 8px 8px;font-size:12px;line-height:1.35;animation:.22s ease-out both embed-hint-in;display:flex;position:absolute;top:10px;right:12px;box-shadow:0 14px 34px -22px #0000008c}@keyframes embed-hint-in{0%{opacity:0;transform:translateY(-6px)}}.embed-hint__text{margin:0}.embed-hint__text kbd{border:1px solid var(--line);color:var(--ink);font:inherit;background:#fff;border-radius:4px;padding:1px 5px;font-size:11px;font-weight:600;box-shadow:0 1px #0000001f}.embed-hint__demo{background:#0000000e;border-radius:8px;flex:none;width:58px;height:42px;position:relative;overflow:hidden}.embed-hint__sheet{background:var(--paper);border-radius:2px;width:24px;height:31px;animation:3.2s ease-in-out infinite embed-hint-drag;position:absolute;top:5px;left:17px;box-shadow:0 1px 3px #00000038}.embed-hint__hand{color:var(--ink);font-size:15px;line-height:0;animation:3.2s ease-in-out infinite embed-hint-drag;position:absolute;top:13px;left:26px}.embed-hint__key{border:1px solid var(--line);color:var(--ink-soft);letter-spacing:.02em;background:#fff;border-radius:3px;padding:1px 5px;font-size:8px;font-weight:700;animation:3.2s ease-in-out infinite embed-hint-press;position:absolute;bottom:4px;right:4px;box-shadow:0 1px #00000029}@keyframes embed-hint-drag{0%,16%{transform:translate(0)}52%{transform:translate(-11px,-5px)}88%,to{transform:translate(0)}}@keyframes embed-hint-press{0%,8%{border-color:var(--line);color:var(--ink-soft);background:#fff;transform:translateY(0);box-shadow:0 1px #00000029}13%,92%{color:var(--accent);box-shadow:none;background:#2f6df624;border-color:#2f6df66b;transform:translateY(1px)}97%,to{border-color:var(--line);color:var(--ink-soft);background:#fff;transform:translateY(0);box-shadow:0 1px #00000029}}@media (prefers-reduced-motion:reduce){.embed-hint,.embed-hint__sheet,.embed-hint__hand,.embed-hint__key{animation:none}}.embed-hint__close{width:24px;height:24px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:6px;flex:none;place-items:center;font-size:14px;display:grid}.embed-hint__close:hover{color:var(--ink);background:#00000012}@media (hover:none){.embed-hint{display:none}}.embed-arrow{color:#00000052;cursor:pointer;z-index:4;background:0 0;border:0;border-radius:10px;place-items:center;width:46px;height:76px;font-size:30px;transition:color .12s,background .12s;display:grid;position:absolute;top:50%;transform:translateY(-50%)}.embed-arrow:hover:not(:disabled){color:#0009;background:#0000000d}.embed-arrow:disabled{opacity:.25;cursor:default}.embed-arrow--prev{left:4px}.embed-arrow--next{right:4px}.embed-bar{flex-wrap:wrap;flex:none;justify-content:center;align-items:center;gap:2px;padding:8px 122px 12px;display:flex}.embed-bar--compact{gap:0;padding:6px 110px 10px}.embed-bar--compact .embed-icon-button{width:32px;height:32px;font-size:17px}.embed-bar--compact .embed-bar__divider{margin:0 4px}.embed-bar__divider{background:var(--line);width:1px;height:18px;margin:0 8px}.embed-icon-button{width:34px;height:34px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;font-size:18px;text-decoration:none;transition:background .12s,color .12s;display:grid}.embed-icon-button:hover:not(:disabled){color:var(--ink);background:#00000012}.embed-icon-button:disabled{opacity:.3;cursor:default}.embed-icon-button[aria-pressed=true]{color:var(--accent);background:#2f6df61f}.embed-icon-button--framed{border:1px solid var(--line);background:#ffffffb3}.embed-sheet{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:20;background:#f8f8f9f7;flex-direction:column;display:flex;position:absolute;inset:0}.embed-sheet--side{border-left:1px solid var(--line);width:min(420px,100%);left:auto;box-shadow:-18px 0 40px -24px #0006}.embed-sheet__head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.embed-sheet__title{margin:0;font-size:14px;font-weight:600}.embed-grid{flex:auto;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:14px;padding:16px;display:grid;overflow:auto}.embed-grid__tile{cursor:pointer;color:var(--ink-soft);background:0 0;border:0;flex-direction:column;align-items:center;gap:6px;padding:0;font-size:11px;display:flex}.embed-grid__paper{aspect-ratio:1/1.414;background:var(--paper);outline-offset:2px;border-radius:3px;outline:2px solid #0000;place-items:center;width:100%;transition:outline-color .12s;display:grid;overflow:hidden;box-shadow:0 1px 3px #0000002e}.embed-grid__tile:hover .embed-grid__paper{outline-color:#0003}.embed-grid__tile[data-current=true] .embed-grid__paper{outline-color:var(--accent)}.embed-grid__canvas{max-width:100%;max-height:100%;display:block}.embed-search__field{border:1px solid var(--line);background:var(--paper);color:var(--ink-soft);border-radius:8px;flex:auto;align-items:center;gap:8px;padding:6px 10px;display:flex}.embed-search__field input{color:var(--ink);background:0 0;border:0;outline:0;flex:auto;font-family:inherit;font-size:13px}.embed-search__progress{border-bottom:1px solid var(--line);color:var(--ink-soft);padding:8px 12px;font-size:11px}.embed-search__progress span{background:var(--accent);border-radius:999px;height:2px;transition:width .2s;display:block}.embed-search__progress p{margin:6px 0 0}.embed-search__results{flex:auto;padding:6px;overflow:auto}.embed-search__results ul{margin:0;padding:0;list-style:none}.embed-search__results button{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;width:100%;padding:9px 10px;font-family:inherit;display:block}.embed-search__results button:hover{background:#0000000d}.embed-search__page{color:var(--accent);font-size:11px;font-weight:600;display:block}.embed-search__snippet{color:var(--ink-soft);margin-top:2px;font-size:12px;line-height:1.45;display:block}.embed-search__snippet mark{color:inherit;background:#ffd80080;border-radius:2px}.embed-search__hint{color:var(--ink-soft);margin:0;padding:16px 12px;font-size:12px}.embed-watermark{z-index:5;color:var(--ink-soft);letter-spacing:.01em;white-space:nowrap;opacity:.7;border-radius:999px;align-items:center;gap:6px;padding:3px 9px 3px 3px;font-size:14px;font-weight:600;line-height:1;text-decoration:none;transition:opacity .12s,color .12s;display:flex;position:absolute;bottom:13px;right:12px}.embed-watermark:hover{opacity:1;color:var(--ink)}.embed-watermark__mark{color:#fff;background:linear-gradient(45deg,#9ebfe2,#6c9cf1);border-radius:6px;place-items:center;width:30px;height:30px;display:grid}.embed-watermark__tld{opacity:.65;font-weight:500}@media (max-width:640px){.embed-stage__inner{padding:12px}.embed-arrow{width:34px;font-size:24px}.embed-stack__tip-canvas{display:none}.embed-bar{padding-left:46px;padding-right:46px}.embed-watermark{padding:3px;right:8px}.embed-watermark__word{display:none}}