@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial;--tw-ease:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--color-red-200:oklch(88.5% .062 18.334);--color-orange-400:oklch(75% .183 55.934);--color-green-400:oklch(79.2% .209 151.711);--color-blue-400:oklch(70.7% .165 254.624);--color-purple-400:oklch(71.4% .203 305.504);--spacing:.25rem;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.25rem;--text-xl:1.563rem;--text-2xl:1.953rem;--text-3xl:2.441rem;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.75rem;--ease-in:cubic-bezier(.4, 0, 1, 1);--ease-out:cubic-bezier(0, 0, .2, 1);--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-bg:oklch(98.73% .0042 84.56);--color-bg-elevated:oklch(99% .004 85);--color-bg-sunken:oklch(94% .01 85);--color-fg:oklch(22% .02 65);--color-fg-muted:oklch(45% .018 65);--color-fg-subtle:oklch(62% .012 65);--color-primary:#2b78a1;--color-primary-fg:#f4f1d2;--color-primary-600:#23628a;--color-primary-700:#1b4e70;--color-primary-50:#eaf2f8;--color-secondary:#e07a3c;--color-secondary-fg:#fff;--color-accent:var(--color-secondary);--color-success:oklch(55% .12 155);--color-warning:oklch(70% .14 80);--color-danger:oklch(56% .17 25);--color-info:oklch(55% .1 240);--color-border:oklch(88% .01 70);--color-border-strong:oklch(78% .012 70);--color-ring:#2b78a166;--font-atkinson:"Atkinson", ui-sans-serif, system-ui, sans-serif;--font-ibm-plex-sans:"IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;--font-ibm-plex-serif:"IBM Plex Serif", ui-serif, Georgia, serif;--font-ibm-plex-mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;--font-futura-pt:"Futura PT", ui-sans-serif, system-ui, sans-serif;--font-minion-pro:"Minion Pro", ui-serif, Georgia, serif;--font-abril:"Abril", ui-serif, Georgia, serif;--font-roboto-slab:"Roboto Slab", ui-serif, Georgia, serif;--text-md:1.125rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--radius-full:9999px;--shadow-card-hover:0 2px 8px #0000001a;--shadow-book-cover:0 4px 16px #00000026;--shadow-avatar:0 1px 4px #0000001f;--shadow-tooltip:0 6px 20px #00000014, 0 2px 4px #0000000a;--shadow-header:0 1px 4px #0000000f;--shadow-dropdown:0 12px 32px -8px #0f12192e, 0 2px 6px #0f121914}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}:root{--color-red-900:2 30% 14%;--color-red-800:4 45% 24%;--color-red-700:6 58% 34%;--color-red-600:8 68% 44%;--color-red-500:10 76% 54%;--color-red-400:11 82% 64%;--color-red-300:12 88% 74%;--color-red-200:14 92% 84%;--color-purple-900:337 30% 14%;--color-purple-800:337 40% 24%;--color-purple-700:337 50% 34%;--color-purple-600:337 58% 44%;--color-purple-500:337 65% 54%;--color-purple-400:337 72% 64%;--color-purple-300:337 80% 74%;--color-purple-200:337 88% 84%;--color-green-900:154 30% 14%;--color-green-800:154 40% 24%;--color-green-700:154 50% 34%;--color-green-600:154 58% 44%;--color-green-500:154 65% 54%;--color-green-400:154 72% 64%;--color-green-300:154 80% 74%;--color-green-200:154 88% 84%;--color-teal-900:175 30% 14%;--color-teal-800:175 40% 24%;--color-teal-700:175 50% 34%;--color-teal-600:176 58% 44%;--color-teal-500:176 65% 54%;--color-teal-400:176 72% 64%;--color-teal-300:176 80% 74%;--color-teal-200:176 88% 84%;--color-blue-900:220 30% 14%;--color-blue-800:220 40% 24%;--color-blue-700:220 50% 34%;--color-blue-600:220 58% 44%;--color-blue-500:220 65% 54%;--color-blue-400:220 72% 64%;--color-blue-300:220 80% 74%;--color-blue-200:220 88% 84%;--color-orange-900:28 30% 14%;--color-orange-800:28 45% 24%;--color-orange-700:28 58% 34%;--color-orange-600:28 68% 44%;--color-orange-500:28 76% 54%;--color-orange-400:28 82% 64%;--color-orange-300:28 88% 74%;--color-orange-200:28 92% 84%;--color-paper-900:58 30% 14%;--color-paper-800:58 45% 24%;--color-paper-700:58 58% 34%;--color-paper-600:58 68% 44%;--color-paper-500:58 76% 54%;--color-paper-400:58 82% 64%;--color-paper-300:58 88% 74%;--color-paper-200:58 100% 87%}}@layer components;@layer utilities{.\@container{container-type:inline-size}.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-flex{display:inline-flex}.table{display:table}.flex-shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.flex-wrap{flex-wrap:wrap}.border{border-style:var(--tw-border-style);border-width:1px}.lowercase{text-transform:lowercase}.italic{font-style:italic}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.sepia{--tw-sepia:sepia(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.ease-in{--tw-ease:var(--ease-in);transition-timing-function:var(--ease-in)}.ease-out{--tw-ease:var(--ease-out);transition-timing-function:var(--ease-out)}}:root{--book-font-family-body:var(--font-ibm-plex-serif);--book-font-family-heading:var(--font-ibm-plex-serif);--book-font-size:var(--text-md);--book-line-height:1.7;--book-content-max-width:42rem;--book-text-color:var(--color-fg);--book-bg-color:var(--color-bg);--book-margin-gutter:var(--space-12)}::highlight(user-yellow){background-color:#fde0478c}::highlight(user-green){background-color:#86efac8c}::highlight(user-blue){background-color:#93c5fd8c}::highlight(user-pink){background-color:#f9a8d48c}::highlight(user-orange){background-color:#fdba748c}.book-content{font-family:var(--user-book-font-family,var(--book-font-family-body));font-size:var(--user-book-font-size,var(--book-font-size));line-height:var(--user-book-line-height,var(--book-line-height));color:var(--book-text-color);background:var(--book-bg-color);max-width:var(--user-book-content-max-width,var(--book-content-max-width));padding-block:var(--space-4) var(--space-8);padding-inline:var(--space-6);margin-inline:auto;position:relative}.book-content h1,.book-content h2,.book-content h3,.book-content h4{font-family:var(--book-font-family-heading);margin-block-start:var(--space-12);margin-block-end:var(--space-4);line-height:1.25}.book-content h1{font-size:var(--text-3xl)}.book-content h2{font-size:var(--text-2xl)}.book-content h3{font-size:var(--text-xl)}.book-content h4{font-size:var(--text-lg)}.book-content p{margin-block:0 var(--space-4)}.book-content blockquote{border-inline-start:3px solid var(--color-border-strong);margin-inline:0;margin-block:var(--space-4);color:var(--color-fg-muted);padding-inline-start:var(--space-4);font-style:italic}.book-content code{font-family:var(--font-ibm-plex-mono);background:var(--color-bg-sunken);padding-inline:var(--space-1);border-radius:var(--radius-sm);font-size:.95em}.book-content pre{font-family:var(--font-ibm-plex-mono);background:var(--color-bg-sunken);padding:var(--space-4);border-radius:var(--radius-md);overflow-x:auto}.book-content a{color:var(--color-primary);text-underline-offset:2px;text-decoration:underline}.user-highlight-pop{z-index:60;position:absolute}.vhl-note-icon{background:var(--color-bg-elevated);width:18px;height:18px;color:var(--color-fg);border:1px solid var(--color-border);border-radius:var(--radius-sm);box-shadow:var(--shadow-card-hover);cursor:pointer;z-index:40;justify-content:center;align-items:center;padding:0;transition:transform 80ms,background 80ms;display:inline-flex;position:absolute}.vhl-note-icon:hover{background:var(--color-bg-sunken);transform:scale(1.1)}.vhl-note-icon svg{width:12px;height:12px;display:block}.vhl-popover{gap:var(--space-2);padding:var(--space-3);background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:260px;box-shadow:var(--shadow-dropdown);font-family:var(--font-atkinson);font-size:var(--text-sm);color:var(--color-fg);flex-direction:column;line-height:1.4;display:flex}.vhl-colors{gap:6px;display:flex}.vhl-swatch{border-radius:var(--radius-full);border:1px solid var(--color-border);cursor:pointer;width:22px;height:22px;padding:0;transition:transform 80ms,box-shadow 80ms}.vhl-swatch:hover{transform:scale(1.08)}.vhl-swatch.is-active{border-color:var(--color-fg);box-shadow:0 0 0 2px var(--color-bg-elevated),0 0 0 3px var(--color-fg)}.vhl-swatch:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px}.vhl-note{resize:vertical;padding:var(--space-2) var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:inherit;font-size:inherit;background:var(--color-bg);min-height:38px;max-height:160px;color:var(--color-fg);line-height:1.4}.vhl-note:focus{border-color:var(--color-border-strong);background:var(--color-bg-elevated);outline:none}.vhl-note:disabled{color:var(--color-fg-subtle);background:var(--color-bg-sunken);cursor:not-allowed}.vhl-actions{justify-content:flex-end;gap:6px;display:flex}.vhl-actions button{padding:5px var(--space-3);border-radius:var(--radius-md);font-size:var(--text-xs);cursor:pointer;border:0;font-family:inherit}.vhl-actions button:disabled{opacity:.5;cursor:not-allowed}.vhl-save{background:var(--color-fg);color:var(--color-bg-elevated)}.vhl-save:hover{background:var(--color-fg-muted)}.vhl-delete{color:var(--color-danger);background:0 0}.vhl-delete:hover:not(:disabled){background:hsl(var(--color-red-200) / .4)}.reader-drawer-overlay{z-index:70;background:#0f12196b;animation:.16s ease-out reader-drawer-fade;position:fixed;inset:0}.reader-drawer{z-index:71;background:var(--color-bg-elevated);width:min(360px,100vw);box-shadow:var(--shadow-dropdown);font-family:var(--font-atkinson);color:var(--color-fg);outline:none;flex-direction:column;display:flex;position:fixed;top:0;bottom:0}.reader-drawer--left{border-inline-end:1px solid var(--color-border);width:min(320px,100vw);animation:.22s ease-out reader-drawer-slide-left;left:0}.reader-drawer--right{border-inline-start:1px solid var(--color-border);animation:.22s ease-out reader-drawer-slide-right;right:0}.reader-drawer-header{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-4);border-block-end:1px solid var(--color-border);display:flex}.reader-drawer-titles{flex-direction:column;gap:2px;min-width:0;display:flex}.reader-drawer-title{font-size:var(--text-md);color:var(--color-fg);white-space:nowrap;text-overflow:ellipsis;margin:0;font-weight:600;overflow:hidden}.reader-drawer-subtitle{font-size:var(--text-xs);color:var(--color-fg-muted);margin:0}.reader-drawer-close{font-size:var(--text-xl);cursor:pointer;color:var(--color-fg-muted);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);background:0 0;border:none;flex-shrink:0;line-height:1}.reader-drawer-close:hover{color:var(--color-fg);background:var(--color-bg-sunken)}.reader-drawer-body{padding:var(--space-3) var(--space-2) var(--space-6);gap:var(--space-6);flex-direction:column;flex:1;display:flex;overflow-y:auto}.reader-drawer-section{gap:var(--space-3);flex-direction:column;display:flex}.reader-drawer-section-title{padding-inline:var(--space-2);font-family:var(--font-atkinson);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--color-fg-muted);margin:0;font-weight:700}@media(max-width:768px){.reader-drawer,.reader-drawer--left{width:100vw}}@keyframes reader-drawer-fade{0%{opacity:0}to{opacity:1}}@keyframes reader-drawer-slide-left{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes reader-drawer-slide-right{0%{transform:translate(100%)}to{transform:translate(0)}}.reader-edge-trigger{z-index:60;background:var(--color-bg-elevated);width:2.4rem;height:2.4rem;color:var(--color-fg-muted);border:1px solid var(--color-border);border-radius:var(--radius-full);box-shadow:var(--shadow-card-hover);justify-content:center;align-items:center;padding:0;transition:color .15s,border-color .15s,background .15s;display:inline-flex;position:fixed;top:50%;transform:translateY(-50%)}.reader-edge-trigger:hover{color:var(--color-fg);border-color:var(--color-border-strong);background:var(--color-bg)}.reader-edge-trigger--left{left:var(--space-3)}.reader-edge-trigger--right{right:var(--space-3)}:is(.reader-edge-trigger :global(.reader-edge-trigger-icon),.reader-edge-trigger .reader-edge-trigger-icon){width:1.1rem;height:1.1rem}@media(max-width:768px){.reader-edge-trigger{display:none}}.segmented-switch{padding:var(--space-1);margin:0 var(--space-2) var(--space-3);background:var(--color-bg-sunken);border-radius:var(--radius-md);font-family:var(--font-atkinson);font-size:var(--text-sm);border:0;align-items:stretch;gap:2px;display:inline-flex}.segmented-switch__option{padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);color:var(--color-fg-muted);font:inherit;cursor:pointer;background:0 0;border:0;flex:1;font-weight:600;transition:background .12s,color .12s}.segmented-switch__option:hover:not(.is-active){color:var(--color-fg)}.segmented-switch__option.is-active{background:var(--color-bg-elevated);color:var(--color-fg);box-shadow:var(--shadow-card-hover)}.segmented-switch__option:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px}.reader-toc-list{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.reader-toc-item{margin:0}.reader-toc-link{align-items:baseline;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);color:var(--color-fg);font-family:var(--font-atkinson);font-size:var(--text-sm);line-height:1.4;text-decoration:none;display:flex}.reader-toc-link:hover{background:var(--color-bg-sunken)}.reader-toc-link[data-current=true]{text-underline-offset:3px;font-weight:700;text-decoration:underline}.reader-toc-title{flex:1}.appearance-settings{gap:var(--space-4);padding-inline:var(--space-2);flex-direction:column;display:flex}.appearance-row{gap:var(--space-2);flex-direction:column;display:flex}.appearance-label{font-size:var(--text-sm);color:var(--color-fg);justify-content:space-between;align-items:baseline;font-weight:600;display:flex}.appearance-value{font-family:var(--font-ibm-plex-mono);font-size:var(--text-xs);color:var(--color-fg-muted);font-weight:400}.appearance-slider-row{align-items:center;gap:var(--space-3);display:flex}.appearance-slider-row input[type=range]{accent-color:var(--color-primary);flex:1}.appearance-glyph{font-family:var(--font-ibm-plex-serif);color:var(--color-fg-muted);-webkit-user-select:none;user-select:none}.appearance-glyph--small{font-size:var(--text-xs)}.appearance-glyph--large{font-size:var(--text-lg)}.appearance-select{width:100%;font-family:var(--font-atkinson);font-size:var(--text-sm);padding:var(--space-2) var(--space-3);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-fg);cursor:pointer}.appearance-select:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px}.appearance-reset{margin-top:var(--space-2);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-atkinson);font-size:var(--text-sm);color:var(--color-fg-muted);cursor:pointer;background:0 0}.appearance-reset:hover{background:var(--color-bg-sunken);color:var(--color-fg)}.annotations-panel-empty{padding:var(--space-8);text-align:center;color:var(--color-fg-muted);font-size:var(--text-sm)}.annotations-panel-body{gap:var(--space-2);flex-direction:column;display:flex}.annotations-panel-chapter{margin-block-end:var(--space-4)}.annotations-panel-chapter-title{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;color:var(--color-fg-muted);padding:var(--space-2) var(--space-3);border-block-end:1px solid var(--color-border);margin:0}.annotations-panel-note{gap:var(--space-1);padding:var(--space-3);border-radius:var(--radius-md);cursor:pointer;text-align:start;width:100%;font:inherit;color:inherit;background:0 0;border:1px solid #0000;flex-direction:column;display:flex}.annotations-panel-note:hover{background:var(--color-bg-sunken);border-color:var(--color-border)}.annotations-panel-note-quote{font-size:var(--text-sm);color:var(--color-fg);gap:var(--space-2);align-items:flex-start;line-height:1.5;display:flex}.annotations-panel-note-color{width:var(--space-3);height:var(--space-3);border-radius:var(--radius-full);flex-shrink:0;margin-block-start:.35em}.annotations-panel-note-color[data-color=yellow]{background:hsl(var(--color-paper-400))}.annotations-panel-note-color[data-color=green]{background:hsl(var(--color-green-400))}.annotations-panel-note-color[data-color=blue]{background:hsl(var(--color-blue-400))}.annotations-panel-note-color[data-color=pink]{background:hsl(var(--color-purple-400))}.annotations-panel-note-color[data-color=orange]{background:hsl(var(--color-orange-400))}.annotations-panel-note-body{font-size:var(--text-sm);color:var(--color-fg-muted);margin-inline-start:calc(var(--space-3) + var(--space-2))}.note-icon-margin{width:var(--space-5);height:var(--space-5);border-radius:var(--radius-full);background:var(--color-bg-elevated);border:1px solid var(--color-border);color:var(--color-fg-muted);cursor:pointer;font-size:var(--text-xs);justify-content:center;align-items:center;padding:0;display:inline-flex;position:absolute}.note-icon-margin:hover{border-color:var(--color-fg-muted);color:var(--color-fg)}.note-icon-margin:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px}.note-icon-margin svg{width:.75rem;height:.75rem;display:block}.next-chapter-footer{justify-content:space-between;align-items:center;gap:var(--space-4);max-width:var(--user-book-content-max-width,var(--book-content-max-width));margin:var(--space-12) auto var(--space-8);padding-inline:var(--space-6);font-family:var(--font-atkinson);display:flex}.next-chapter-meta{min-width:0}.next-chapter-label{font-size:var(--text-sm);color:var(--color-fg);margin:0;font-weight:700}.next-chapter-title{font-size:var(--text-xs);color:var(--color-fg-muted);white-space:nowrap;text-overflow:ellipsis;margin:0;font-weight:600;overflow:hidden}.next-chapter-cta{align-items:center;gap:var(--space-1);background:var(--color-fg);color:var(--color-bg-elevated);padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);font-weight:700;font-size:var(--text-sm);flex-shrink:0;text-decoration:none;transition:background .15s;display:inline-flex}.next-chapter-cta:hover{background:var(--color-fg-muted)}.reader-progress{align-items:center;gap:var(--space-1);flex-direction:column;width:100%;max-width:28rem;display:flex}.reader-progress-titles{flex-direction:column;align-items:center;gap:2px;line-height:1.2;display:flex}.reader-progress-book{font-family:var(--font-atkinson);font-size:var(--text-xs);color:var(--color-fg);font-weight:700}.reader-progress-chapter{font-family:var(--font-atkinson);font-size:var(--text-xs);color:var(--color-fg-muted);font-weight:600}.reader-progress-segments{align-items:center;gap:2px;width:100%;height:4px;display:flex}.reader-progress-segment{background:#d2ccc7;border-radius:1px;height:100%;position:relative;overflow:hidden}.reader-progress-segment[data-state=past]{background:var(--color-fg)}.reader-progress-segment-fill{background:var(--color-fg);position:absolute;inset-block:0;inset-inline-start:0}@media(max-width:768px){.reader-progress-segments{display:none}}.article-toc-bar--wide{z-index:40;background:var(--color-bg-elevated);border-block-end:1px solid var(--color-border);padding-inline:var(--space-4);padding-block:var(--space-2);font-family:var(--font-atkinson);font-size:var(--text-sm);position:sticky;top:0}.article-toc-bar__list{align-items:center;gap:var(--space-3);scrollbar-width:thin;flex-wrap:nowrap;margin:0;padding:0;list-style:none;display:flex;overflow-x:auto}.article-toc-bar__item{flex-shrink:0}.article-toc-bar__item--depth-2{opacity:.85;font-size:calc(var(--text-sm) * .95)}.article-toc-bar__item--depth-3{opacity:.7;font-size:calc(var(--text-sm) * .9)}.article-toc-bar__link{padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);color:var(--color-fg-muted);cursor:pointer;font:inherit;white-space:nowrap;border:none;background:0 0;border-block-end:2px solid #0000;text-decoration:none}.article-toc-bar__link:hover{color:var(--color-fg);background:var(--color-bg-sunken)}.article-toc-bar__link:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px}.article-toc-bar__item.is-active .article-toc-bar__link{color:var(--color-fg);border-block-end-color:var(--color-primary);font-weight:600}.article-toc-bar__mobile-trigger{z-index:41;width:var(--space-12);height:var(--space-12);border-radius:var(--radius-full);background:var(--color-primary);color:var(--color-primary-fg);border:1px solid var(--color-primary-700);box-shadow:var(--shadow-dropdown);font-size:var(--text-lg);cursor:pointer;justify-content:center;align-items:center;display:none;position:fixed;inset-block-end:var(--space-6);inset-inline-end:var(--space-4)}.article-toc-bar__mobile-trigger:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px}.article-toc-bar__overlay{z-index:80;background:#00000073;justify-content:stretch;align-items:flex-end;display:flex;position:fixed;inset:0}.article-toc-bar__sheet{background:var(--color-bg-elevated);width:100%;max-height:70vh;padding:var(--space-4);font-family:var(--font-atkinson);color:var(--color-fg);border-start-start-radius:var(--radius-lg);border-start-end-radius:var(--radius-lg);overflow-y:auto}.article-toc-bar__sheet-header{border-block-end:1px solid var(--color-border);justify-content:space-between;align-items:center;margin-block-end:var(--space-3);padding-block-end:var(--space-2);display:flex}.article-toc-bar__sheet-title{font-size:var(--text-md);font-weight:600}.article-toc-bar__sheet-close{font-size:var(--text-lg);color:var(--color-fg-muted);cursor:pointer;padding:var(--space-1);background:0 0;border:none;line-height:1}.article-toc-bar__sheet-list{gap:var(--space-1);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.article-toc-bar__sheet-item--depth-2 .article-toc-bar__sheet-link{padding-inline-start:var(--space-6)}.article-toc-bar__sheet-item--depth-3 .article-toc-bar__sheet-link{font-size:var(--text-sm);padding-inline-start:var(--space-10)}.article-toc-bar__sheet-link{text-align:start;width:100%;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);color:var(--color-fg);cursor:pointer;font:inherit;background:0 0;border:none;display:block}.article-toc-bar__sheet-link:hover{background:var(--color-bg-sunken)}.article-toc-bar__sheet-item.is-active .article-toc-bar__sheet-link{color:var(--color-primary);font-weight:600}@media(max-width:768px){.article-toc-bar--wide{display:none}.article-toc-bar__mobile-trigger{display:inline-flex}}.dark{--color-bg:oklch(16% .015 65);--color-bg-elevated:oklch(20% .018 65);--color-bg-sunken:oklch(12% .012 65);--color-fg:oklch(94% .01 85);--color-fg-muted:oklch(72% .012 85);--color-fg-subtle:oklch(55% .01 85);--color-primary:oklch(72% .12 50);--color-primary-fg:oklch(18% .02 65);--color-accent:oklch(68% .09 195);--color-accent-fg:oklch(18% .02 65);--color-border:oklch(30% .014 65);--color-border-strong:oklch(42% .015 65);--color-ring:oklch(72% .12 50/.4)}:root{--page-max:1280px;--page-gutter:clamp(1.25rem, 4vw, 3rem);--reader-chrome-max-width:var(--page-max)}@media(min-width:1536px){:root{--page-max:1480px}}@media(min-width:1920px){:root{--page-max:1640px}}html,body{background:var(--color-bg);color:var(--color-fg);font-family:var(--font-atkinson);margin:0;padding:0;line-height:1.5}:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px;border-radius:var(--radius-sm)}@media(prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.sr-only{clip:rect(1px,1px,1px,1px);clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:0;padding:0;overflow:hidden;position:absolute!important}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}