/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@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,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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;-webkit-text-decoration:inherit;-webkit-text-decoration: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:where(:not(iframe)){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}}@layer components;@layer utilities{.visible{visibility:visible}.hidden{display:none}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--page-bg:#f3efe6;--surface:#faf8f1;--surface-raised:#fffdf8;--reader-surface:#fbf8f0;--text:#27251f;--text-muted:#716c60;--text-soft:#8a8375;--border:#ded8cb;--border-strong:#c9c0b0;--accent:#795d35;--accent-hover:#634a29;--accent-soft:#e9e0ce;--accent-ink:#fffaf0;--danger:#9b3f32;--danger-surface:#f5e7e2;--cover:#e7dfce;--shadow:0 14px 40px #372b1812;--focus-ring:0 0 0 3px #97703a47;--font-reading:"Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page-bg:#191a18;--surface:#20211e;--surface-raised:#272824;--reader-surface:#22231f;--text:#e8e3d8;--text-muted:#b6b0a3;--text-soft:#938d81;--border:#3d3e38;--border-strong:#55564e;--accent:#d1b27d;--accent-hover:#e1c494;--accent-soft:#373126;--accent-ink:#201c14;--danger:#f0a396;--danger-surface:#382723;--cover:#34352e;--shadow:0 16px 44px #00000038;--focus-ring:0 0 0 3px #d1b27d59}*{box-sizing:border-box}html{background:var(--page-bg);scroll-behavior:smooth;scrollbar-color:var(--border-strong) transparent;min-width:320px;min-height:100%}body{background:var(--page-bg);min-width:320px;min-height:100vh;color:var(--text);margin:0;transition:background-color .18s,color .18s}button,input,textarea{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{box-shadow:var(--focus-ring);outline:none}button:disabled{cursor:not-allowed}::selection{background:var(--accent-soft);color:var(--text)}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-frame,.preauth-frame{min-height:100vh}.app-frame{--app-header-bottom:65px}.app-header{z-index:20;border-bottom:1px solid var(--border);background:var(--page-bg);position:sticky;top:0}@supports (color:color-mix(in lab, red, red)){.app-header{background:color-mix(in srgb, var(--page-bg) 92%, transparent)}}.app-header{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.app-header-inner,.preauth-header{justify-content:space-between;align-items:center;width:min(100% - 32px,1180px);min-height:64px;margin-inline:auto;display:flex}.brand{color:var(--text);letter-spacing:-.03em;white-space:nowrap;background:0 0;border:0;align-items:center;gap:10px;padding:0;font-size:1rem;font-weight:700;display:inline-flex}a.brand{text-decoration:none}button.brand{cursor:pointer}.brand-mark,.empty-library-icon{border:1px solid var(--border-strong);background:var(--accent-soft);width:34px;height:34px;color:var(--accent);font-family:var(--font-reading);border-radius:11px 11px 11px 4px;place-items:center;font-size:1.45rem;font-weight:700;line-height:1;display:grid}.desktop-nav{display:none}.header-actions{align-items:center;gap:8px;display:flex}.theme-toggle,.sign-out-button{min-width:44px;min-height:44px;color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;transition:background-color .15s,color .15s,border-color .15s;display:inline-flex}.theme-toggle{border-color:var(--border);gap:7px;padding:0 9px}.theme-toggle:hover,.sign-out-button:hover{border-color:var(--border);background:var(--surface);color:var(--text)}.theme-toggle svg,.nav-destination svg{stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7px;width:21px;height:21px}.theme-toggle-icon{color:var(--accent);place-items:center;display:grid}.theme-toggle-icon svg{width:17px;height:17px}.theme-switch-track{background:var(--border-strong);border-radius:999px;align-items:center;width:27px;height:16px;padding:2px;transition:background-color .15s;display:flex}.theme-switch-track>span{background:var(--surface-raised);border-radius:50%;width:12px;height:12px;transition:transform .15s;box-shadow:0 1px 3px #0003}.theme-toggle[aria-checked=true] .theme-switch-track{background:var(--accent)}.theme-toggle[aria-checked=true] .theme-switch-track>span{transform:translate(11px)}.theme-toggle-label{color:var(--text-muted);font-size:.72rem;font-weight:700}.sign-out-button{padding-inline:14px;font-size:.875rem;font-weight:600}.nav-destination{min-height:48px;color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:8px 14px;font-size:.9rem;font-weight:600;text-decoration:none;transition:background-color .15s,color .15s;display:flex}.nav-destination:hover{background:var(--surface);color:var(--text)}.nav-destination.is-current{background:var(--accent-soft);color:var(--accent)}.nav-destination svg{width:19px;height:19px}.mobile-nav{z-index:30;padding:8px 12px max(8px, env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--surface-raised);grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;display:grid;position:fixed;bottom:0;left:0;right:0}@supports (color:color-mix(in lab, red, red)){.mobile-nav{background:color-mix(in srgb, var(--surface-raised) 96%, transparent)}}.mobile-nav{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 -8px 24px #1c18110f}.mobile-nav .nav-destination{border-radius:14px;flex-direction:column;gap:3px;min-height:54px;font-size:.72rem}.mobile-nav .nav-destination svg{width:22px;height:22px}.app-content{min-height:calc(100vh - 64px)}.page-container{width:min(100%,1100px);min-height:calc(100vh - 64px);margin-inline:auto;padding:38px 20px 124px}.page-intro{max-width:740px;margin-bottom:30px}.page-intro-compact{margin-bottom:28px}.eyebrow{color:var(--accent);letter-spacing:.16em;text-transform:uppercase;margin:0;font-size:.72rem;font-weight:750;line-height:1.4}.display-title{max-width:850px;color:var(--text);font-family:var(--font-reading);letter-spacing:-.055em;margin:12px 0 0;font-size:clamp(2.7rem,11vw,4.7rem);font-weight:600;line-height:.98}.display-title-small{font-size:clamp(2.35rem,9vw,3.5rem);line-height:1.02}.page-lede{max-width:620px;color:var(--text-muted);margin:16px 0 0;font-size:1rem;line-height:1.75}.form-card,.auth-card{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:22px}.form-card{max-width:860px;padding:24px 20px}.section-title,.auth-title{color:var(--text);font-family:var(--font-reading);letter-spacing:-.025em;margin:0;font-weight:600}.section-title{margin-bottom:24px;font-size:1.8rem;line-height:1.15}.form-stack{gap:20px;display:grid}.brief-grid{gap:18px;display:grid}.form-field,.form-label{gap:8px;display:grid}.form-label{color:var(--text);font-size:.9rem;font-weight:650;line-height:1.45}.form-input{border:1px solid var(--border-strong);background:var(--surface-raised);width:100%;min-height:48px;color:var(--text);border-radius:12px;padding:12px 14px;font-size:1rem;line-height:1.5;transition:border-color .15s,background-color .15s;display:block}.form-input::placeholder{color:var(--text-soft);opacity:1}.form-input:focus-visible{border-color:var(--accent)}.form-input[aria-invalid=true]{border-color:var(--danger)}.form-textarea{resize:vertical;min-height:132px}.form-note,.field-error{margin:0;font-size:.82rem;line-height:1.55}.form-note{color:var(--text-soft)}.field-error,.error-message{color:var(--danger)}.button-primary,.button-secondary{cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;min-height:48px;padding:12px 20px;font-size:.94rem;font-weight:700;line-height:1.2;transition:transform .12s,background-color .15s,border-color .15s;display:inline-flex}.button-primary{background:var(--accent);color:var(--accent-ink)}.button-primary:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.button-secondary{border-color:var(--border-strong);background:var(--surface-raised);color:var(--text)}.button-secondary:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}.button-primary:disabled,.button-secondary:disabled{cursor:wait;opacity:.62}.button-full{width:100%}.text-button{color:var(--accent);cursor:pointer;text-decoration:underline;-webkit-text-decoration-color:var(--accent);-webkit-text-decoration-color:var(--accent);-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent);background:0 0;border:0;padding:3px 0;font-weight:700}@supports (color:color-mix(in lab, red, red)){.text-button{-webkit-text-decoration-color:color-mix(in srgb, var(--accent) 45%, transparent);-webkit-text-decoration-color:color-mix(in srgb, var(--accent) 45%, transparent);-webkit-text-decoration-color:color-mix(in srgb, var(--accent) 45%, transparent);text-decoration-color:color-mix(in srgb, var(--accent) 45%, transparent)}}.text-button{text-underline-offset:3px}.error-message{border:1px solid var(--danger);margin:0;padding:13px 15px}@supports (color:color-mix(in lab, red, red)){.error-message{border:1px solid color-mix(in srgb, var(--danger) 25%, var(--border))}}.error-message{background:var(--danger-surface);border-radius:12px;font-size:.92rem;line-height:1.55}.error-message-inline{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}.created-story{gap:22px;display:grid}.status-card,.reader-waiting,.reader-loading{border:1px solid var(--border);background:var(--accent-soft);border-radius:16px;padding:18px 20px}.status-title{color:var(--text);font-family:var(--font-reading);margin:0;font-size:1.3rem;font-weight:600}.status-copy{color:var(--text-muted);margin:6px 0 0;font-size:.92rem;line-height:1.55}.status-copy-error{color:var(--danger)}.brief-assistant-cta{border:1px solid var(--border);background:var(--surface-raised);border-radius:14px;justify-items:start;gap:12px;margin:-8px 0 26px;padding:16px;display:grid}.brief-assistant-dialog{border:1px solid var(--border-strong);background:var(--surface);width:min(100vw - 32px,600px);max-width:calc(100vw - 32px);max-height:min(100dvh - 32px,760px);color:var(--text);box-shadow:var(--shadow);border-radius:22px;margin:auto;padding:0;position:fixed;inset:0;overflow:auto}.brief-assistant-dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0e121894}.brief-assistant-dialog-content{gap:24px;padding:25px 20px;display:grid}.brief-assistant-dialog-header{gap:10px;display:grid}.brief-assistant-dialog-header .section-title{margin:0}.brief-assistant-textarea{min-height:190px}.brief-assistant-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}@media (width>=620px){.brief-assistant-cta{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;padding:18px 20px}.brief-assistant-dialog-content{padding:34px}}.library-grid{gap:14px;margin:0;padding:0;list-style:none;display:grid}.library-grid li{min-width:0}.library-card{border:1px solid var(--border);background:var(--surface);width:100%;min-height:172px;color:var(--text);text-align:left;border-radius:18px;align-items:stretch;gap:16px;padding:14px;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;box-shadow:0 4px 16px #2c24170a}.library-card:hover,.library-card[aria-current=true]{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.book-cover{border:1px solid var(--accent);flex-direction:column;justify-content:space-between;width:104px;min-width:104px;padding:13px 11px 14px 15px;display:flex;position:relative;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.book-cover{border:1px solid color-mix(in srgb, var(--accent) 25%, var(--border))}}.book-cover{background:var(--cover);box-shadow:inset 5px 0 0 var(--accent), 3px 5px 10px #00000017;border-radius:5px 10px 10px 5px}@supports (color:color-mix(in lab, red, red)){.book-cover{box-shadow:inset 5px 0 0 color-mix(in srgb, var(--accent) 25%, transparent), 3px 5px 10px #00000017}}.book-cover{color:var(--text)}.book-cover-label{color:var(--accent);letter-spacing:.14em;font-size:.52rem;font-weight:800}.book-cover-title{font-family:var(--font-reading);overflow-wrap:anywhere;-webkit-line-clamp:4;-webkit-box-orient:vertical;font-size:.88rem;font-weight:600;line-height:1.2;display:-webkit-box;overflow:hidden}.book-cover-rule{background:var(--accent);opacity:.72;width:28px;height:2px}.library-card-content{flex-direction:column;flex:1;justify-content:center;align-items:flex-start;min-width:0;display:flex}.library-card-title{width:100%;color:var(--text);font-family:var(--font-reading);overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:1.22rem;font-weight:650;line-height:1.18;display:-webkit-box;overflow:hidden}.library-card-detail{color:var(--text-muted);margin-top:8px;font-size:.78rem;line-height:1.4;display:block}.library-card-action{color:var(--accent);align-items:center;gap:7px;margin-top:14px;font-size:.8rem;font-weight:750;display:inline-flex}.empty-library{border:1px dashed var(--border-strong);background:var(--surface);border-radius:20px;flex-direction:column;justify-content:center;align-items:center;min-height:250px;padding:30px 20px;display:flex}@supports (color:color-mix(in lab, red, red)){.empty-library{background:color-mix(in srgb, var(--surface) 68%, transparent)}}.empty-library{text-align:center}.empty-library-icon{width:46px;height:46px;margin-bottom:14px;font-size:1.85rem}.empty-library h2{color:var(--text);font-family:var(--font-reading);margin:0;font-size:1.5rem;font-weight:600}.empty-library p,.loading-message{color:var(--text-muted);margin:10px 0 0;font-size:.94rem;line-height:1.6}.book-page{max-width:960px}.reader-book-page{--reader-content-width:800px;width:min(100%, var(--reader-content-width));max-width:var(--reader-content-width);margin-inline:auto}.reader-book-page>.book-page-heading,.reader-book-page>.reader-primary-actions,.reader-book-page>.reader-position-error,.reader-book-page>.reader-waiting,.reader-book-page>.reader-preparing,.reader-book-page>.reader-chapter-tools{width:100%}.reader-book-page>.reader-page{width:100%;max-width:none;margin-inline:0}.back-link{min-height:44px;color:var(--accent);cursor:pointer;background:0 0;border:0;align-items:center;gap:9px;margin:-8px 0 23px;padding:0 10px 0 0;font-size:.9rem;font-weight:700;display:inline-flex}.back-link span{font-size:1.25rem;line-height:1}.book-page-heading{margin-bottom:22px}.book-tools{border:1px solid var(--border);background:var(--surface);border-radius:18px;gap:18px;margin-bottom:22px;padding:16px;display:grid}.materials-page{max-width:1040px}.materials-branch-select{max-width:420px;color:var(--text-muted);gap:8px;margin:0 0 24px;font-size:.82rem;font-weight:700;display:grid}.materials-branch-select select{border:1px solid var(--border-strong);background:var(--surface);min-height:46px;color:var(--text);font:inherit;border-radius:12px;padding:0 13px}.materials-tabs{border-bottom:1px solid var(--border);gap:8px;padding:0 0 12px;display:flex;overflow-x:auto}.materials-tabs button{border:1px solid var(--border);background:var(--surface);min-height:42px;color:var(--text-muted);cursor:pointer;font:inherit;white-space:nowrap;border-radius:999px;padding:0 16px;font-size:.84rem;font-weight:700}.materials-tabs button.is-current{border-color:var(--accent);background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.materials-tabs button.is-current{background:color-mix(in srgb, var(--accent) 11%, var(--surface))}}.materials-tabs button.is-current{color:var(--accent)}.materials-panel{padding:24px 0}.materials-brief-panel>header{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px;display:flex}.materials-brief-panel>header .eyebrow{margin:0 0 6px}.materials-brief-panel>header h2{font-family:var(--font-display);margin:0;font-size:1.4rem}.materials-brief-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 18px;display:grid}.materials-brief-list>div{border:1px solid var(--border);background:var(--surface-raised);border-radius:12px;min-width:0;padding:14px 16px}.materials-brief-list dt{color:var(--text-soft);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;font-size:.72rem;font-weight:750}.materials-brief-list dd{color:var(--text);overflow-wrap:anywhere;margin:0;line-height:1.55}.materials-brief-panel>.form-note{margin:0}@media (width<=619px){.materials-brief-panel>header{flex-direction:column}.materials-brief-list{grid-template-columns:minmax(0,1fr)}}.materials-panel>article,.materials-plan-cards li,.materials-card,.materials-branch{border:1px solid var(--border);background:var(--surface);border-radius:16px;padding:20px}.materials-panel h2,.materials-panel h3{color:var(--text);font-family:var(--font-reading);margin:0 0 9px;font-weight:650}.materials-panel p{color:var(--text-muted);line-height:1.65}.materials-plan-cards,.materials-catalog,.materials-branch-list{gap:12px;margin:16px 0 0;padding:0;list-style:none;display:grid}.materials-catalog{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}.materials-plan-cards li p{margin:8px 0 0}.materials-card h2{font-size:1.5rem}.materials-fact{border-top:1px solid var(--border);padding-top:12px}.materials-fact blockquote{border-left:3px solid var(--accent);background:var(--accent);margin:12px 0 0;padding:12px 14px}@supports (color:color-mix(in lab, red, red)){.materials-fact blockquote{background:color-mix(in srgb, var(--accent) 6%, var(--surface))}}.materials-fact blockquote p{color:var(--text);font-family:var(--font-reading);margin:0 0 8px}.materials-fact a,.materials-branch a,.library-materials-link{color:var(--accent);font-weight:700}.materials-branch.is-active{border-color:var(--accent)}.materials-branch ol{gap:10px;padding-left:20px;display:grid}.library-grid-item{gap:8px;display:grid}.library-materials-link{justify-self:start;padding:5px 10px;font-size:.82rem;text-decoration:none}.reader-materials-link{margin:0 0 18px}.chapter-navigation{min-width:0}.reader-primary-actions{border-top:1px solid var(--border);border-bottom:1px solid var(--border);gap:14px;margin:0 0 18px;padding:14px 0;display:grid}.reader-primary-actions .chapter-navigation-label{margin-bottom:6px}.reader-primary-actions .chapter-list{padding-bottom:2px}.reader-primary-actions .chapter-button{grid-auto-flow:column;place-items:center start;min-width:84px;min-height:40px;padding:8px 12px}.reader-primary-actions .chapter-state,.reader-primary-actions .chapter-progress{display:none}.reader-more-tools>summary,.reader-chapter-tools>summary{width:fit-content;color:var(--text-soft);cursor:pointer;font-size:.88rem;font-weight:650;list-style-position:inside}.reader-more-tools-content{gap:12px;max-width:800px;padding:14px 0 4px;display:grid}.reader-book-tools-panel{border:1px solid var(--border);background:var(--surface);border-radius:14px;grid-template-columns:minmax(0,1fr) minmax(220px,.8fr);align-items:center;gap:20px;padding:16px 18px;display:grid}.reader-materials-button{text-align:center;justify-self:start}.reader-book-tools-panel .continuation-controls{border-top:0;border-left:1px solid var(--border);grid-template-columns:auto minmax(0,1fr);align-items:center;gap:4px 12px;padding:0 0 0 18px}.reader-book-tools-panel .continuation-controls .form-note,.reader-book-tools-panel .continuation-controls .error-message{grid-column:1/-1;margin:0}.reader-map-disclosure{border:1px solid var(--border);background:var(--surface);border-radius:14px}.reader-map-disclosure>summary{min-height:48px;color:var(--text);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;font-size:.9rem;font-weight:650;list-style-position:inside;display:flex}.reader-map-disclosure>summary span{color:var(--text-soft);font-size:.8rem;font-weight:500}.reader-more-tools-content .branch-map{border-radius:12px;margin:0 12px 12px;padding:14px}.reader-more-tools-content .branch-map-heading{margin-bottom:10px}.reader-more-tools-content .branch-map-heading h2{font-size:1.08rem}.reader-more-tools-content .branch-map-lane{padding:10px}@media (width<=619px){.reader-book-tools-panel{grid-template-columns:minmax(0,1fr);gap:14px}.reader-book-tools-panel .continuation-controls{border-top:1px solid var(--border);border-left:0;grid-template-columns:minmax(0,1fr);padding:14px 0 0}.reader-book-tools-panel .continuation-controls .form-note,.reader-book-tools-panel .continuation-controls .error-message{grid-column:auto}}.reader-chapter-tools{max-width:800px;margin:0 auto 24px}.reader-chapter-tools .continuation-actions{margin:16px 0}.reader-chapter-tools .fork-action-wrap{margin-top:16px}.chapter-navigation-label{color:var(--text-soft);letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px;font-size:.7rem;font-weight:750}.chapter-list{scroll-snap-type:x proximity;scrollbar-width:thin;-webkit-overflow-scrolling:touch;gap:8px;margin:0;padding:2px 2px 8px;list-style:none;display:flex;overflow-x:auto}.chapter-list>li{flex:none}.chapter-button{border:1px solid var(--border);background:var(--surface-raised);min-width:112px;min-height:76px;color:var(--text);cursor:pointer;scroll-snap-align:start;text-align:left;border-radius:12px;flex:none;align-content:center;justify-items:start;gap:4px;padding:8px 12px;text-decoration:none;display:grid}.chapter-button.is-disabled{color:var(--text-soft);opacity:.7;cursor:not-allowed}.chapter-button[aria-current=page]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.chapter-button:disabled{color:var(--text-soft);opacity:.7}.chapter-button>span:first-child{font-size:.88rem;font-weight:750}.chapter-state{font-size:.64rem;line-height:1.2}.chapter-state-available{color:var(--text-soft)}.chapter-state-preparing{color:var(--accent)}.chapter-state-error{color:var(--danger)}.chapter-progress{width:100%;color:var(--text-muted);font-variant-numeric:tabular-nums;align-items:center;gap:6px;font-size:.64rem;display:flex}.chapter-progress-bar{width:100%;height:5px;accent-color:var(--accent);border:0;border-radius:999px}.continuation-controls{border-top:1px solid var(--border);justify-items:start;gap:8px;padding-top:14px;display:grid}.continuation-status{color:var(--text-muted);margin:0;font-size:.9rem;line-height:1.65}.continuation-actions{flex-wrap:wrap;align-items:center;gap:10px;width:100%;max-width:800px;margin:0 auto 24px;display:flex}.continuation-actions .error-message,.continuation-actions .form-note{flex-basis:100%;margin:0}.branch-map{border:1px solid var(--border);background:var(--surface);border-radius:18px;margin:24px 0 30px;padding:20px;overflow:hidden}.branch-map-heading,.branch-map-lane-heading,.fork-dialog-heading,.fork-dialog-actions{justify-content:space-between;align-items:center;gap:14px;display:flex}.branch-map-heading{margin-bottom:18px}.branch-map-heading .eyebrow,.fork-dialog-heading .eyebrow{margin:0 0 5px}.branch-map-heading h2,.fork-dialog-heading h2{font-family:var(--font-display);margin:0;font-size:1.35rem;font-weight:600}.branch-map-heading>span,.branch-map-origin{color:var(--text-soft);font-size:.78rem}.branch-map-lanes{gap:14px;display:grid}.branch-map-lane{border:1px solid var(--border);background:var(--surface-raised);border-radius:13px;min-width:0;padding:13px}.branch-map-fork-origin{max-width:100%;color:var(--text-soft);text-overflow:ellipsis;white-space:nowrap;align-items:center;gap:6px;margin:0 0 10px 8px;font-size:.7rem;text-decoration:none;display:inline-flex;overflow:hidden}.branch-map-fork-origin:hover{color:var(--accent)}.branch-map-lane.is-active{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.branch-map-lane.is-active{border-color:color-mix(in srgb, var(--accent) 55%, var(--border))}}.branch-map-lane.is-active{box-shadow:inset 3px 0 0 var(--accent)}.branch-map-path-link{min-width:0;color:var(--text);gap:3px;text-decoration:none;display:grid}.branch-map-path-link[aria-current=page] .branch-map-path-name{color:var(--accent)}.branch-map-path-name{text-overflow:ellipsis;white-space:nowrap;font-weight:720;overflow:hidden}.branch-map-origin{font-size:.68rem}.branch-map-pending{color:var(--accent);text-align:right;font-size:.72rem}.branch-map-pending-error{color:var(--danger)}.branch-map-nodes{scrollbar-width:thin;gap:0;margin:0;padding:10px 2px 4px;list-style:none;display:flex;overflow-x:auto}.branch-map-node{flex:0 0 138px;padding-right:17px;position:relative}.branch-map-node:after{border-top:1px solid var(--border-strong);content:"";width:17px;position:absolute;top:22px;right:0}.branch-map-node:last-child:after{display:none}.branch-map-node>a,.branch-map-node>span{border:1px solid var(--border);background:var(--surface);min-height:48px;color:var(--text);border-radius:10px;gap:3px;padding:8px 9px;text-decoration:none;display:grid}.branch-map-node>a:hover,.branch-map-node>a[aria-current=location]{border-color:var(--accent);background:var(--accent-soft)}.branch-map-node-number{color:var(--text-soft);font-size:.65rem;font-weight:750}.branch-map-node-title{text-overflow:ellipsis;white-space:nowrap;font-size:.74rem;overflow:hidden}.branch-map-node-preparing>span,.branch-map-node-waiting>span{color:var(--text-soft);border-style:dashed}.branch-map-node-error>span{border-color:var(--danger);color:var(--danger)}.branch-map-help{color:var(--text-soft);margin:12px 0 0;font-size:.76rem}.fork-action-wrap{justify-content:center;margin:8px auto 30px;display:flex}.fork-dialog-backdrop{z-index:100;background:#0b1116a6;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.fork-dialog{border:1px solid var(--border);background:var(--surface);border-radius:18px;width:min(100%,680px);max-height:min(92vh,900px);padding:22px;overflow-y:auto;box-shadow:0 24px 80px #00000047}.fork-dialog-heading{align-items:flex-start;margin-bottom:18px}.fork-dialog-heading p:last-child{color:var(--text-soft);margin:8px 0 0;font-size:.88rem;line-height:1.5}.fork-form,.fork-brief-overrides{gap:13px;display:grid}.fork-form label,.fork-brief-overrides label{color:var(--text);gap:6px;font-size:.82rem;font-weight:650;display:grid}.fork-form input,.fork-form textarea,.fork-brief-overrides input,.fork-brief-overrides textarea{border:1px solid var(--border-strong);background:var(--surface-raised);width:100%;color:var(--text);font:inherit;resize:vertical;border-radius:9px;padding:10px 11px;font-weight:450}.fork-brief-overrides{border:1px solid var(--border);border-radius:12px;padding:13px}.fork-brief-overrides summary{cursor:pointer;font-size:.88rem;font-weight:700}.fork-brief-overrides>p{color:var(--text-soft);margin:0;font-size:.78rem}.fork-dialog-actions{justify-content:flex-end;padding-top:4px}@media (width<=600px){.branch-map{border-radius:14px;padding:14px}.branch-map-lane-heading{align-items:flex-start}.branch-map-pending{max-width:45%}.branch-map-nodes{padding:11px 0 0;display:grid;overflow:visible}.branch-map-node{width:100%;padding:0 0 10px 15px}.branch-map-node:after{border-top:0;border-left:1px solid var(--border-strong);width:0;height:10px;inset:44px auto 0 5px}.branch-map-node:last-child{padding-bottom:0}.branch-map-node>a,.branch-map-node>span{min-height:44px}.fork-dialog{border-radius:15px;padding:17px}}.reader-page{border:1px solid var(--border);background:var(--reader-surface);width:100%;max-width:800px;box-shadow:var(--shadow);border-radius:18px;margin-inline:auto;padding:28px 21px 34px}.reader-reading-progress{z-index:19;top:var(--app-header-bottom,65px);background:var(--reader-surface);border-bottom:1px solid var(--border);gap:6px;margin:-10px 0 18px;padding:5px 0 6px;display:grid;position:sticky}.reader-reading-progress-labels{color:var(--text-muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px;font-size:.75rem;display:flex}.reader-reading-progress-labels strong{color:var(--text)}.reader-reading-progress-bar{width:100%;min-width:0;height:6px;accent-color:var(--accent);border:0;border-radius:999px;display:block}.reader-reading-progress-actions{align-items:center;gap:12px;min-width:0;display:flex}.reader-header{border-bottom:1px solid var(--border);max-width:68ch;margin:0 auto 23px;padding-bottom:22px}.reader-eyebrow{letter-spacing:.15em;font-size:.68rem}.reader-title{color:var(--text);font-family:var(--font-reading);letter-spacing:-.035em;overflow-wrap:anywhere;margin:10px 0 0;font-size:clamp(2rem,8vw,3.1rem);font-weight:600;line-height:1.08}.reader-bookmark-control{flex-wrap:wrap;flex:none;align-items:center;gap:4px 8px;display:flex}.reader-bookmark-button{white-space:nowrap;min-height:44px;padding:8px 11px;font-size:.76rem}.reader-bookmark-feedback{min-height:1.3em;color:var(--text-muted);font-size:.78rem}.reader-content{max-width:68ch;color:var(--text);font-family:var(--font-reading);overflow-wrap:anywhere;text-align:justify;text-align-last:start;white-space:pre-wrap;word-break:normal;margin-inline:auto;font-size:clamp(1.13rem,1.4vw,1.27rem);line-height:1.9}.reader-footer{border-top:1px solid var(--border);max-width:68ch;margin:30px auto 0;padding-top:18px}.reader-loading,.reader-waiting{max-width:800px;color:var(--text-muted);margin:0 auto;line-height:1.65}.reader-preparation{gap:16px;display:grid;overflow:hidden}.reader-preparation-track{background:var(--accent);border-radius:999px;height:4px;position:relative;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.reader-preparation-track{background:color-mix(in srgb, var(--accent) 18%, transparent)}}.reader-preparation-track:before{border-radius:inherit;background:var(--accent);content:"";width:34%;animation:1.8s ease-in-out infinite reader-preparation-progress;position:absolute;inset:0 auto 0 0}.reader-preparation-copy h2{color:var(--text);font-family:var(--font-reading);margin:0;font-size:1.18rem;font-weight:600}.reader-preparation-copy p{color:var(--text-muted);margin:5px 0 0;font-size:.9rem}.reader-streaming-footer{gap:10px;display:grid}.reader-streaming-track{width:100%}.reader-streaming-count{color:var(--text-muted);font-variant-numeric:tabular-nums;margin:0;font-size:.78rem}@keyframes reader-preparation-progress{0%{transform:translate(-110%)}to{transform:translate(310%)}}.reader-speech-control{flex-wrap:wrap;align-items:center;gap:8px 12px;max-width:68ch;margin:0 auto 16px;display:flex}.reader-speech-button,.speech-player-button,.speech-player-return{border:1px solid var(--border);background:var(--surface-raised);min-height:42px;color:var(--text);cursor:pointer;border-radius:999px;padding:9px 14px;font-size:.82rem;font-weight:650}.reader-speech-button{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.reader-speech-button:disabled,.speech-player-button:disabled,.speech-player-return:disabled{cursor:not-allowed;opacity:.65}.speech-player-widget{z-index:35;border:1px solid var(--border-strong);background:var(--surface-raised);border-radius:18px;gap:12px;width:min(420px,100vw - 24px);padding:16px;display:grid;position:fixed;bottom:20px;right:20px;box-shadow:0 16px 48px #1c181138}.speech-player-meta{min-width:0;color:var(--text-muted);gap:3px;font-size:.78rem;display:grid}.speech-player-meta strong{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:.95rem;overflow:hidden}.speech-player-label{color:var(--accent);letter-spacing:.12em;text-transform:uppercase;font-size:.67rem;font-weight:750}.speech-player-actions{flex-wrap:wrap;gap:7px;display:flex}.speech-player-button,.speech-player-return{min-height:38px;padding:8px 12px;font-size:.75rem}.speech-player-stop{color:var(--danger)}.speech-player-return{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.speech-player-error{color:var(--danger);margin:0;font-size:.78rem;line-height:1.45}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=859px){.speech-player-widget{right:12px;bottom:calc(78px + env(safe-area-inset-bottom))}}.auth-page{place-items:center;min-height:calc(100vh - 64px);padding:28px 20px 48px;display:grid}.auth-card{width:min(100%,500px);padding:28px 22px}.auth-title{margin-top:12px;font-size:clamp(2rem,8vw,2.8rem);line-height:1.05}.auth-description{color:var(--text-muted);margin:12px 0 0;font-size:.96rem;line-height:1.65}.auth-card .form-stack{margin-top:25px}.auth-switch{border-top:1px solid var(--border);color:var(--text-muted);flex-wrap:wrap;align-items:baseline;gap:7px;margin-top:20px;padding-top:18px;font-size:.9rem;display:flex}.preauth-header{min-height:64px}.preauth-content{place-items:center;min-height:calc(100vh - 64px);display:grid}.preauth-message{width:min(100% - 40px,600px);color:var(--text-muted);margin-inline:auto;padding:30px 0;line-height:1.65}.preauth-frame>.preauth-message{align-content:center;min-height:calc(100vh - 64px);display:grid}.preauth-message .text-button{margin-top:12px}.pwa-install-control{border:1px solid var(--border);background:var(--surface);width:44px;height:44px;color:var(--accent);cursor:pointer;border-radius:999px;flex:none;place-items:center;display:inline-grid}.pwa-install-control:hover{border-color:var(--border-strong);background:var(--accent-soft)}.pwa-install-control svg{stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:21px;height:21px}.pwa-install-dialog{border:1px solid var(--border);background:var(--surface-raised);width:min(460px,100% - 32px);max-height:min(760px,100dvh - 32px);color:var(--text);border-radius:22px;margin:auto;padding:25px;position:fixed;inset:0;overflow-y:auto;box-shadow:0 24px 80px #00000047}.pwa-install-dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1816128a}.pwa-install-dialog-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.pwa-install-dialog-header .eyebrow{margin:0 0 8px}.pwa-install-dialog h2{max-width:330px;font-family:var(--font-reading);margin:0;font-size:clamp(1.45rem,7vw,1.8rem);line-height:1.15}.pwa-install-close{border:1px solid var(--border);background:var(--surface);width:40px;height:40px;color:var(--text-muted);cursor:pointer;border-radius:50%;flex:none;place-items:center;font-size:1.5rem;line-height:1;display:grid}.pwa-install-intro{color:var(--text-muted);margin:17px 0 20px;font-size:.95rem;line-height:1.6}.pwa-install-native-button{border:1px solid var(--accent);background:var(--accent);width:100%;min-height:48px;color:var(--accent-ink);cursor:pointer;border-radius:999px;padding:10px 16px;font-weight:700}.pwa-install-native-button:disabled{opacity:.7}.pwa-install-steps{border-top:1px solid var(--border);margin-top:20px;padding-top:18px}.pwa-install-steps h3{margin:0 0 12px;font-size:1rem}.pwa-install-steps ol{color:var(--text-muted);gap:12px;margin:0;padding-left:22px;line-height:1.5;display:grid}.pwa-install-steps li{padding-left:3px}.pwa-install-note{color:var(--text-soft);margin:16px 0 0;font-size:.82rem;line-height:1.45}@media (width>=620px){.app-frame{--app-header-bottom:73px}.app-header-inner,.preauth-header{width:min(100% - 48px,1180px);min-height:72px}.page-container{padding:56px 32px 96px}.page-intro{margin-bottom:38px}.brief-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.form-card{padding:36px}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.book-tools{padding:20px}.reader-page{padding:48px 42px 50px}.reader-header{margin-bottom:30px;padding-bottom:28px}.auth-page{min-height:calc(100vh - 72px);padding:48px 24px}.auth-card{padding:42px}}@media (width>=860px){.app-frame{--app-header-bottom:77px}.app-header-inner{min-height:76px}.desktop-nav{align-items:center;gap:5px;margin-inline:auto;display:flex}.mobile-nav{display:none}.page-container{min-height:calc(100vh - 76px);padding:64px 40px 90px}.page-intro{margin-bottom:44px}.book-page{max-width:1000px}.book-tools{grid-template-columns:minmax(0,1fr) auto;align-items:end}.continuation-controls{border-top:0;border-left:1px solid var(--border);max-width:260px;padding-top:0;padding-left:18px}.reader-page{border-radius:22px;padding:56px 56px 58px}.auth-page{min-height:calc(100vh - 76px)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
