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transparent;background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background-color:var(--scrollbar-thumb-hover)}.scrollbar-thin{--scrollbar-size: 8px}.scrollbar-medium{--scrollbar-size: 12px}.scrollbar-thick{--scrollbar-size: 16px}@media(prefers-reduced-motion:no-preference){*::-webkit-scrollbar-thumb{transition:background-color .12s ease}}a{font-weight:550;color:color-mix(in srgb,var(--text) 82%,var(--nav-button-bg));text-decoration:inherit}a:hover{color:var(--text)}body{margin:0;display:block;place-items:unset;min-width:320px;height:100%;min-height:100vh;min-height:100dvh;max-height:100dvh;overflow:hidden;background-color:var(--bg);background-image:radial-gradient(1200px 600px at 12% -10%,color-mix(in srgb,var(--nav-button-bg) 18%,transparent),transparent 60%),radial-gradient(900px 500px at 88% 0%,color-mix(in srgb,var(--sidebar-button-bg) 14%,transparent),transparent 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auto;margin:0}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-sm);border:1px solid color-mix(in srgb,var(--theme-toggle-color, currentColor) 18%,transparent);background:var(--theme-toggle-bg, rgba(255, 255, 255, .08));color:var(--theme-toggle-color, inherit);cursor:pointer;font-size:15px;line-height:1;margin:0;flex:0 0 auto;transition:filter .2s var(--ease-out),background-color .2s var(--ease-out),border-color .2s var(--ease-out),box-shadow .2s var(--ease-out)}.theme-toggle:hover{filter:brightness(1.06)}.theme-toggle:focus-visible{outline:3px auto -webkit-focus-ring-color}.theme-toggle svg,.theme-menu-icon svg{display:block;flex:0 0 auto}.theme-modal-overlay{position:fixed;inset:0;z-index:3000;display:flex;align-items:center;justify-content:center;padding:24px;background:#0808086b;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);animation:themeOverlayIn .2s ease-out both}.theme-modal-overlay.is-closing{animation:themeOverlayOut .2s ease-in both;pointer-events:none}.theme-menu{width:min(100%,320px);padding:18px 16px 14px;border-radius:var(--radius-lg);background:var(--card-bg);border:1px solid var(--sep-color);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:12px;animation:themeMenuIn .2s var(--ease-out) both;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.theme-menu.is-closing{animation:themeMenuOut .2s ease-in both}.theme-menu-title{margin:0;padding:0 6px;font-size:15px;font-weight:650;letter-spacing:.02em;color:var(--text)}.theme-menu-list{display:flex;flex-direction:column;gap:4px}.theme-menu-item{display:flex;align-items:center;gap:12px;width:100%;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text);padding:12px;cursor:pointer;font:inherit;font-size:14px;font-weight:500;text-align:left;transition:background-color .15s ease,border-color .15s ease}.theme-menu-item:hover,.theme-menu-item:focus-visible{background:var(--chapter-btn-hover-bg);outline:none}.theme-menu-item.is-selected{background:var(--selected-bg, var(--chapter-btn-bg));border-color:var(--sep-color)}.theme-menu-icon{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;line-height:1}.theme-menu-icon svg{width:20px;height:20px}.theme-menu-label{flex:1 1 auto}@keyframes themeOverlayIn{0%{opacity:0}to{opacity:1}}@keyframes themeOverlayOut{0%{opacity:1}to{opacity:0}}@keyframes themeMenuIn{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes themeMenuOut{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(8px) scale(.98)}}@media(max-width:768px){.theme-toggle-root{margin-right:0}.theme-toggle{width:var(--touch-min);height:var(--touch-min);font-size:.9375rem}.theme-modal-overlay{padding:max(1rem,var(--safe-top)) max(1rem,var(--safe-right)) max(1rem,var(--safe-bottom)) max(1rem,var(--safe-left))}.theme-menu{width:min(100%,18.75rem)}}@media(prefers-reduced-motion:reduce){.theme-modal-overlay,.theme-modal-overlay.is-closing,.theme-menu,.theme-menu.is-closing{animation:none}}.loading-spinner-wrapper{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:48px 20px;color:var(--muted);grid-column:1 / -1;grid-row:1;min-height:200px;width:100%;align-self:stretch;box-sizing:border-box}.loading-spinner{width:36px;height:36px;border:3px solid var(--sep-color, rgba(0, 0, 0, .1));border-top-color:var(--nav-button-bg);border-radius:50%;animation:spinnerRotate .7s linear infinite}.loading-spinner.sm{width:20px;height:20px;border-width:2px}.loading-spinner.lg{width:48px;height:48px;border-width:4px}.loading-spinner-text{font-size:14px;font-weight:500;color:var(--muted);letter-spacing:.01em}@keyframes spinnerRotate{to{transform:rotate(360deg)}}.skeleton-bar{height:44px;border-radius:8px;background:linear-gradient(90deg,var(--sidebar-button-bg) 25%,var(--sidebar-button-hover-bg, rgba(255,255,255,.15)) 50%,var(--sidebar-button-bg) 75%);background-size:200% 100%;animation:skeletonShimmer 1.4s ease-in-out infinite}@keyframes skeletonShimmer{0%{background-position:200% 0}to{background-position:-200% 0}}