@font-face{font-family:Bricolage Grotesque;src:url(/demo/assets/BricolageGrotesque-Variable-IeJf__1j.ttf)format("truetype");font-display:swap;font-style:normal;font-weight:200 900}@font-face{font-family:Karla;src:url(/demo/assets/Karla-Variable-C3-ma4ov.woff2)format("woff2");font-display:swap;font-style:normal;font-weight:200 800}@font-face{font-family:JetBrains Mono;src:url(/demo/assets/JetBrainsMono-Variable-DgTxpPXt.ttf)format("truetype");font-display:swap;font-style:normal;font-weight:100 800}:root{--lightningcss-light:initial;--lightningcss-dark: 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var(--ink);--shadow-tactile:3.5px 3.5px 0 var(--ink);--shadow-tactile-md:5.5px 5.5px 0 var(--ink);--shadow-tactile-lg:8px 8px 0 var(--ink);--radius-xs:8px;--radius-sm:10px;--radius-md:14px;--radius-lg:18px;--radius-xl:24px;--radius-pill:999px;--cut-hero:22px 6px 22px 22px;--font-display:"Bricolage Grotesque", "Arial Black", system-ui, sans-serif;--font-body:"Karla", "Avenir Next", Avenir, ui-sans-serif, system-ui, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;--step--1:.8125rem;--step-0:.9375rem;--step-1:1.0625rem;--step-2:1.25rem;--step-3:1.5rem;--step-4:2rem;--step-5:2.6rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--shell-width:1320px;--reading-width:64ch;--reading-width-narrow:46ch;--focus:var(--cobalt);--focus-ring:3px solid var(--focus);--ease:cubic-bezier(.22, .61, .36, 1)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:radial-gradient(circle at 90% 0%, #fff8e9 0, transparent 34rem), radial-gradient(circle at 0% 85%, #0b998a0e 0, transparent 28rem), var(--bg);min-height:100vh;color:var(--ink);font-family:var(--font-body);font-size:var(--step-1);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.55}h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0}ul,ol{padding:0;list-style:none}figure{margin:0}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0;padding:0}img{max-width:100%;display:block}a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1.5px}:focus-visible{outline:var(--focus-ring);outline-offset:3px;border-radius:6px}#main h1[tabindex="-1"]:focus,#main h1[tabindex="-1"]:focus-visible{border-radius:0;outline:none}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{top:var(--space-3);left:var(--space-3);z-index:60;background:var(--ink);color:var(--paper);padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);transition:transform .18s var(--ease);font-weight:700;text-decoration:none;position:fixed;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.display{font-family:var(--font-display);letter-spacing:0;font-weight:600;line-height:1.05}.h1{font-family:var(--font-display);letter-spacing:0;font-size:clamp(2rem,1.2rem + 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100%);text-decoration:none;display:inline-flex}.btn:hover{box-shadow:var(--shadow-lift);transform:translateY(-1px)}.btn:active{box-shadow:var(--shadow-rest);transform:translateY(0)}.btn[disabled]{opacity:.4;box-shadow:none;cursor:not-allowed}.btn[disabled]:hover{box-shadow:none;transform:none}.btn--primary{border-color:var(--ink);background:linear-gradient(165deg, #ff704b 0%, var(--sun) 54%, #d94222 100%);color:#fffdf9;box-shadow:inset 0 1px 0 #fff6e88c, 3px 3px 0 var(--ink);border-width:2px}.btn--primary:hover{background:linear-gradient(165deg, #f96440 0%, var(--sun-hover) 100%);box-shadow:inset 0 1px 0 #fff6e866, 3px 3px 0 var(--ink);transform:translate(-1px,-1px)}.btn--primary:active{box-shadow:1px 1px 0 var(--ink);transform:translate(2px,2px)}.btn--quiet{box-shadow:none;color:var(--ink-soft);padding:0 var(--space-3);background:0 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#ffffffbf}.chip--gold{background:var(--gold-soft);color:var(--gold-text);border-color:#9a5a1238}.chip--teal{background:var(--teal-soft);color:var(--teal-text);border-color:#11625738}.chip--cobalt{background:var(--cobalt-soft);color:var(--cobalt-text);border-color:#2358a638}.chip--sun{background:var(--sun-soft);color:var(--sun-deeper);border-color:#a8351338}.chip--plum{background:var(--plum-soft);color:var(--plum-text);border-color:#58377538}[data-accent=gold]{--accent:var(--gold);--accent-soft:var(--gold-soft);--accent-text:var(--gold-text)}[data-accent=teal]{--accent:var(--teal);--accent-soft:var(--teal-soft);--accent-text:var(--teal-text)}[data-accent=cobalt]{--accent:var(--cobalt);--accent-soft:var(--cobalt-soft);--accent-text:var(--cobalt-text)}[data-accent=sun]{--accent:var(--sun);--accent-soft:var(--sun-soft);--accent-text:var(--sun-deeper)}[data-accent=plum]{--accent:var(--plum);--accent-soft:var(--plum-soft);--accent-text:var(--plum-text)}.mono-badge{border:var(--hairline);border-radius:var(--radius-sm);background:var(--paper);width:40px;height:40px;font-family:var(--font-display);font-weight:600;font-size:var(--step-0);flex:none;place-items:center;display:inline-grid;position:relative;overflow:hidden}.mono-badge 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(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.app{min-height:100vh}.app-grid{grid-template-columns:104px minmax(0,1fr);align-items:start;min-height:100vh;display:grid}.canvas{min-width:0}.rail{z-index:50;align-items:center;gap:var(--space-3);height:100vh;padding:var(--space-5) var(--space-2) var(--space-4);border-right:var(--hairline);background:#fff8ed;flex-direction:column;display:flex;position:sticky;top:0}.rail-brand{font-family:var(--font-display);font-weight:600;font-size:var(--step-0);justify-items:center;gap:6px;line-height:1;text-decoration:none;display:grid}.rail-brand img{width:30px;height:30px}.rail-nav{width:100%;margin-top:var(--space-3);flex-direction:column;align-items:stretch;gap:4px;display:flex}.rail-item{border-radius:var(--radius-md);width:100%;color:var(--ink-soft);text-align:center;transition:background .16s 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.btn{margin-top:var(--space-2)}.account-who,.account-device{align-items:flex-start;gap:10px;min-width:0;display:flex}.account-who .icon,.account-device .icon{color:var(--muted);flex:none;margin-top:2px}.account-who-text{gap:1px;min-width:0;display:grid}.account-who-text strong{font-size:var(--step-0)}.account-who-text small,.account-device{font-size:var(--step--1);color:var(--muted);line-height:1.35}.switcher{width:100%;position:relative}.switcher-trigger{border-radius:var(--radius-md);width:100%;color:var(--ink-soft);transition:background .16s var(--ease), color .16s var(--ease);border:1px solid #0000;justify-items:center;gap:5px;padding:8px 4px;font-size:.6875rem;font-weight:700;display:grid}.switcher-trigger:hover{color:var(--ink);background:#221a140d}.switcher-trigger-name{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.switcher-trigger-role,.switcher-trigger-descriptor,.switcher-trigger .icon{display:none}.switcher-menu{width:min(350px, calc(100vw - 2 * var(--space-4)));padding:var(--space-3);border:var(--hairline);border-radius:var(--radius-lg);background:var(--paper);box-shadow:var(--shadow-float);z-index:40;gap:4px;display:grid;position:absolute;bottom:0;left:calc(100% + 14px)}.switcher-menu-head{padding:var(--space-2) var(--space-2) var(--space-3);border-bottom:var(--hairline);margin-bottom:var(--space-2);gap:3px;display:grid}.switcher-option{align-items:center;gap:var(--space-3);width:100%;padding:var(--space-2);border-radius:var(--radius-md);text-align:left;border:1px solid #0000;grid-template-columns:auto 1fr auto;display:grid}.switcher-option:hover{background:var(--paper-warm)}.switcher-option[aria-checked=true]{background:var(--paper-warm);border-color:#221a1424}.switcher-option-text{gap:1px;min-width:0;display:grid}.switcher-option-name{font-weight:700;font-size:var(--step-0)}.switcher-option-descriptor{font-size:var(--step--1);color:var(--muted);line-height:1.35}.switcher-option-check{color:var(--teal-text);opacity:0}.switcher-option[aria-checked=true] .switcher-option-check{opacity:1}.sheet-dialog{border:var(--hairline);border-radius:var(--radius-xl);background:var(--paper);color:var(--ink);box-shadow:var(--shadow-float);width:min(700px, calc(100vw - 2 * var(--space-4)));max-height:min(88vh,740px);padding:0;overflow:hidden}.sheet-dialog>form{grid-template-rows:auto minmax(0,1fr) auto;min-height:0;max-height:min(88vh,740px);display:grid}.sheet-dialog::backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#221a1461}.sheet-head{align-items:flex-start;gap:var(--space-4);padding:var(--space-5) var(--space-5) var(--space-4);border-bottom:var(--hairline);display:flex}.sheet-head-text{flex:auto;gap:4px;display:grid}.sheet-body{padding:var(--space-5);gap:var(--space-5);overscroll-behavior:contain;align-content:start;min-height:0;display:grid;overflow:auto}.source-grid{gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(118px,1fr));display:grid}.source-tile{gap:var(--space-2);padding:var(--space-4);border:var(--hairline);border-radius:var(--radius-md);background:var(--paper);text-align:left;transition:box-shadow .16s var(--ease), background .16s var(--ease);justify-items:start;font-weight:700;display:grid}.source-tile:hover{box-shadow:var(--shadow-rest)}.source-tile[aria-pressed=true]{background:var(--gold-soft);border-color:#9a5a123d}.source-tile .icon{color:var(--sun-deep)}.field{gap:var(--space-2);display:grid}.field input[type=text],.field input[type=url],.field textarea{width:100%;padding:var(--space-3);border:var(--hairline-strong);border-radius:var(--radius-md);background:var(--paper)}.field textarea{resize:vertical;min-height:150px}.field input[type=file]{padding:var(--space-3);border-radius:var(--radius-md);background:var(--paper-warm);border:1px dashed #221a1447;width:100%}.field input[type=file]::file-selector-button{margin-right:var(--space-3);padding:var(--space-2) var(--space-4);border:var(--hairline-strong);border-radius:var(--radius-sm);background:var(--paper);color:var(--ink);font:inherit;cursor:pointer;font-weight:700}.field input[type=file]::file-selector-button:hover{box-shadow:var(--shadow-rest)}.sheet-actions{align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-top:var(--hairline);background:var(--paper);flex-wrap:wrap;display:flex}@media (width<=560px){.sheet-dialog{border-radius:var(--radius-xl) var(--radius-xl) 0 0;width:100vw;max-width:100vw;max-height:92vh;margin:auto auto 0}.sheet-dialog>form{max-height:92vh}.sheet-actions{padding-bottom:calc(var(--space-4) + env(safe-area-inset-bottom,0px))}}.main{width:100%}.main-inner{max-width:1200px;padding:clamp(1.25rem, 2.2vw, 2rem) clamp(1.25rem, 4vw, 3.5rem) var(--space-8);gap:clamp(1.5rem,2.6vw,2.25rem);margin:0 auto;display:grid}.toast{left:50%;bottom:var(--space-5);z-index:70;align-items:center;gap:var(--space-3);width:max-content;max-width:min(34rem, calc(100vw - 2 * var(--space-4)));padding:var(--space-2) var(--space-4) var(--space-2) var(--space-2);border-radius:var(--radius-lg);border:var(--hairline);background:var(--paper);color:var(--ink);font-size:var(--step-0);text-align:left;box-shadow:var(--shadow-float);font-weight:600;line-height:1.35;display:inline-flex;position:fixed;transform:translate(-50%)}.toast-mark{border-radius:var(--radius-pill);background:var(--gold-tint);width:34px;height:34px;color:var(--gold-text);flex:none;place-items:center;display:grid}.toast-text{text-wrap:pretty;min-width:0}.drawer-scrim,.drawer{display:none}body.sheet-open{overflow:hidden}@media (width<=780px){.drawer-scrim{z-index:62;opacity:0;pointer-events:none;transition:opacity .26s var(--ease);background:#221a1461;display:block;position:fixed;inset:0}.drawer{gap:var(--space-3);z-index:63;width:100%;height:100dvh;padding:0 var(--space-4) calc(var(--space-4) + env(safe-area-inset-bottom,0px));background:var(--paper);visibility:hidden;transition:transform .3s var(--ease), visibility 0s linear 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img{width:26px;height:26px}.drawer-wordmark{font-family:var(--font-display);font-weight:700;font-size:var(--step-1);letter-spacing:-.015em;line-height:1}.drawer-title{min-width:0;font-family:var(--font-display);font-weight:700;font-size:var(--step-1);letter-spacing:-.015em;text-overflow:ellipsis;white-space:nowrap;flex:auto;overflow:hidden}.drawer-back,.drawer-close{border:var(--hairline);border-radius:var(--radius-sm);width:32px;height:32px;color:var(--ink);transition:background .16s var(--ease);background:0 0;flex:none;place-items:center;display:grid}.drawer-close{margin-left:auto}.drawer-back:hover,.drawer-close:hover{background:var(--paper-warm)}.drawer-menu{gap:2px;display:grid}.drawer-group-label{padding:var(--space-3) var(--space-3) var(--space-1)}.drawer-row{align-items:center;gap:var(--space-3);width:100%;padding:9px var(--space-3);border-radius:var(--radius-md);text-align:left;color:var(--ink);transition:background .16s var(--ease), color .16s var(--ease);border:1px solid 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.drawer-row-value{color:var(--sun-deeper)}.drawer-row--danger:hover{background:var(--sun-tint)}.drawer-foot{padding-top:var(--space-3);border-top:var(--hairline);margin-top:auto}.drawer-row--signout .drawer-row-icon{background:var(--sun-soft);color:var(--sun-deep)}.drawer-identity{align-items:center;gap:var(--space-3);padding:9px var(--space-3);grid-template-columns:auto minmax(0,1fr);display:grid}.drawer-panel{gap:var(--space-4);align-content:start;min-width:0;display:grid}.drawer-panel:focus-visible{outline:none}.drawer-panel .drawer-group-label{padding:var(--space-1) 0 0}.drawer-note{font-size:var(--step--1);color:var(--muted);line-height:1.45}.drawer-list{gap:2px;display:grid}.drawer-person{align-items:center;gap:var(--space-3);grid-template-columns:auto minmax(0,1fr);display:grid}.drawer-field{gap:var(--space-2);display:grid}.drawer-field-head{align-items:center;gap:var(--space-3);grid-template-columns:auto minmax(0,1fr);display:grid}.choice{border-radius:var(--radius-pill);background:var(--paper-warm);flex-wrap:wrap;gap:4px;padding:4px;display:flex}.choice-option{border-radius:var(--radius-pill);min-width:78px;color:var(--ink-soft);font-size:var(--step--1);transition:background .16s var(--ease), color .16s var(--ease);background:0 0;border:1px solid #0000;flex:auto;padding:8px 12px;font-weight:700}.choice-option:hover{background:#221a140d}.choice-option[aria-pressed=true]{background:var(--paper);color:var(--ink);box-shadow:var(--shadow-rest);border-color:#221a141f}.drawer-engine{padding:var(--space-3) var(--space-3) var(--space-3) var(--space-5);border-radius:var(--radius-md);background:var(--paper-warm);font-size:var(--step--1);color:var(--muted);gap:6px;line-height:1.4;list-style:outside;display:grid}.drawer-facts{margin:0;display:grid}.drawer-fact{justify-content:space-between;align-items:baseline;gap:var(--space-3);border-bottom:var(--hairline);font-size:var(--step--1);padding:9px 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img{filter:drop-shadow(0 2px 4px #221a1429);width:26px;height:26px}.app-bar-wordmark{font-family:var(--font-display);font-weight:700;font-size:var(--step-1);letter-spacing:-.015em;line-height:1}.app-bar-learner{align-items:center;gap:var(--space-2);border-radius:var(--radius-pill);max-width:52%;color:var(--ink);background:#221a140d;border:0;flex:none;padding:4px 9px 4px 4px;display:flex}.app-bar-learner-name{font-size:var(--step--1);text-overflow:ellipsis;white-space:nowrap;font-weight:700;overflow:hidden}.app-bar-learner .icon{color:var(--muted);flex:none}.app-grid{grid-template-columns:minmax(0,1fr)}.rail{align-items:center;gap:var(--space-2);height:auto;padding:8px 12px calc(8px + env(safe-area-inset-bottom));border-right:0;border-top:var(--hairline);z-index:40;flex-direction:row;position:fixed;inset:auto 0 0}.rail-brand{display:none}.rail-nav{flex-direction:row;flex:auto;justify-content:space-around;gap:0;margin-top:0}.rail-item{box-shadow:none;color:var(--muted);transition:background .16s var(--ease), color .16s var(--ease);background:0 0;border:0;border-radius:6px 6px 0 0;flex:0 auto;justify-items:center;gap:2px;padding:2px 14px 6px;font-size:.6875rem;font-weight:600;display:grid;position:relative}.rail-item:hover{color:var(--ink-soft);background:0 0}.rail-item-mark{border-radius:var(--radius-pill);width:30px;height:30px;transition:background .16s var(--ease), color .16s var(--ease);place-items:center;display:grid}.rail-item[aria-current=page]{box-shadow:none;color:var(--sun-deeper);background:0 0}.rail-item[aria-current=page] .rail-item-mark{color:inherit;background:0 0}.rail-item[aria-current=page]:after{content:"";background:currentColor;border-radius:3px;width:56%;max-width:34px;height:3px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.rail-item--accent .icon{color:inherit}.rail-item--accent .rail-item-mark{box-shadow:inset 0 0 0 1px #221a1429}.rail-spacer{display:none}.rail-foot{border:0;flex:none;width:0;padding:0;overflow:visible}.rail-foot .switcher-trigger{display:none}.switcher-menu{top:calc(86px + env(safe-area-inset-top,0px));right:calc(var(--space-3) + var(--space-4));border-radius:var(--radius-xl);width:min(340px,100vw - 40px);max-height:calc(100dvh - 180px);position:fixed;bottom:auto;left:auto;overflow:auto}.switcher-menu .panel-account{display:none}.main-inner{padding-bottom:calc(var(--space-8) + 72px)}.toast{bottom:calc(92px + env(safe-area-inset-bottom,0px))}}@supports not ((-webkit-backdrop-filter:blur(4px)) or (backdrop-filter:blur(4px))){@media (width<=780px){.app-bar.app-bar{background:linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%)}}}@media (width>=781px){.app-grid{grid-template-columns:92px minmax(0,1fr)}.rail{gap:var(--space-2);padding:var(--space-4) var(--space-2) var(--space-3)}.rail-brand{font-size:var(--step--1);gap:4px}.rail-brand img{width:26px;height:26px}.rail-nav{margin-top:var(--space-2);gap:2px}.rail-item{border-radius:var(--radius-sm);gap:4px;padding:8px 4px}.switcher-trigger{border-radius:var(--radius-sm);gap:4px;padding:6px 2px}.rail-foot{gap:var(--space-1);padding-top:var(--space-2)}}.home-head{gap:6px;max-width:54ch;display:grid}.home-head .h1{font-size:clamp(1.75rem,1.2rem + 1.5vw,2.4rem)}.home-note{font-size:var(--step-0);color:var(--muted);text-wrap:pretty}.hero-capabilities{align-items:center;gap:var(--space-3);color:var(--teal-text);font-size:var(--step--1);flex-wrap:wrap;font-weight:700;display:flex}.hero-capabilities span{align-items:center;gap:5px;display:inline-flex}.hero[data-experience=comprehension] .hero-media img{height:clamp(180px,26vh,280px)}.hero[data-experience=comprehension] .hero-fallback{min-height:clamp(180px,26vh,280px)}.hero[data-experience=comprehension] 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var(--space-5);flex-wrap:wrap;display:flex}.hero-status{flex:340px;gap:10px;min-width:0;display:grid}.hero-tags{align-items:center;gap:var(--space-2) var(--space-4);flex-wrap:wrap;display:flex}.hero-subject,.hero-fact{font-family:var(--font-mono);text-transform:uppercase;color:var(--muted);white-space:nowrap;font-size:.6875rem;font-weight:600}.hero-fact{color:var(--muted);align-items:center;gap:5px;display:inline-flex}.hero-now{gap:2px;min-width:0;display:grid}.hero-now-head{justify-content:space-between;align-items:baseline;gap:var(--space-3);min-width:0;display:flex}.hero-now-label{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.6875rem;font-weight:600}.hero-progress-label{font-family:var(--font-mono);color:var(--muted);white-space:nowrap;font-size:.6875rem;font-weight:600}.hero-progress{border-radius:var(--radius-pill);background:var(--paper-sunk);width:min(360px,100%);height:5px;margin-top:6px;display:block;overflow:hidden}.hero-progress>span{border-radius:inherit;background:var(--accent,var(--teal));height:100%;display:block}.hero-now-title{font-weight:700;font-size:var(--step-1);-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;min-width:0;display:-webkit-box;overflow:hidden}.hero-actions{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.materials-grid{gap:var(--space-5);grid-template-columns:repeat(auto-fill,minmax(258px,1fr));display:grid}.material-card{border-radius:var(--radius-lg);background:linear-gradient(160deg, var(--paper) 60%, #fff3e3 100%);box-shadow:inset 0 1px 0 #fff, var(--shadow-rest);transition:transform .18s var(--ease), box-shadow .18s var(--ease);grid-template-rows:auto 1fr auto;display:grid;overflow:hidden}.material-card .progress>span{background:var(--accent,var(--teal))}.material-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}.material-card-main{gap:var(--space-4);text-align:left;border-radius:inherit;grid-template-rows:auto 1fr;display:grid}.material-card .preview{aspect-ratio:16/9;border-radius:0}.material-card-body{padding:0 var(--space-5);align-content:start;gap:6px;display:grid}.material-card-body>.chip{justify-self:start}.material-card-title{font-family:var(--font-display);font-weight:600;font-size:var(--step-2);line-height:1.16}.material-card-sub{font-size:var(--step--1);color:var(--muted)}.material-card-foot{justify-content:space-between;align-items:center;gap:var(--space-3);margin-top:var(--space-4);padding:var(--space-3) var(--space-5) var(--space-4);border-top:3px solid var(--accent,var(--teal));display:flex}.material-card-progress{flex:auto;gap:6px;min-width:0;display:grid}.material-card-progress span{color:var(--muted);font-size:.75rem}.save-toggle{border:var(--hairline);border-radius:var(--radius-pill);width:38px;height:38px;color:var(--muted);transition:background .16s var(--ease), color .16s var(--ease);background:linear-gradient(155deg,#fffdf9,#fff0d9);flex:none;place-items:center;display:inline-grid}.save-toggle:hover{color:var(--ink);background:#221a140d}.save-toggle[aria-pressed=true]{color:var(--gold-text);background:linear-gradient(155deg,#fff4dc,#ecf5e9);border-color:#9a5a1233}.save-toggle[aria-pressed=true] .icon{fill:currentColor}.materials-empty{padding:var(--space-6);border-radius:var(--radius-lg);text-align:center;color:var(--muted);border:1px dashed #221a1433}@media (width<=560px){.band-head{align-items:center;gap:var(--space-3);padding-top:var(--space-4);border-top:var(--hairline)}.band-head-text .meta{border-radius:var(--radius-pill);background:var(--paper-sunk);width:fit-content;color:var(--ink-soft);padding:3px 10px;font-weight:700}.segmented{box-shadow:var(--shadow-rest)}.hero-media img{object-position:left top;height:156px}.hero-meta{padding:var(--space-4);gap:var(--space-3)}.hero-actions{width:100%}.hero-actions .btn--primary{justify-content:center;width:100%}@font-face{font-family:OpenDyslexic;src:url(https://cdn.jsdelivr.net/gh/madjeek-web/open-dyslexic@main/OpenDyslexic-2025/opendyslexic-regular-webfont.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}.workspace-head{gap:var(--space-2);display:grid}.workspace-head-meta{align-items:center;gap:var(--space-2) var(--space-4);font-size:var(--step-0);color:var(--muted);flex-wrap:wrap;display:flex}.workspace-head-meta span{align-items:center;gap:6px;display:inline-flex}.translation-wrap{align-items:center;gap:var(--space-2);display:inline-flex;position:relative}.translation-control{position:relative}.translation-control>summary{list-style:none}.translation-control>summary::-webkit-details-marker{display:none}.translation-trigger{min-height:34px;padding:0 var(--space-3);border-radius:var(--radius-pill);cursor:pointer}.translation-control[open] .translation-trigger{background:var(--paper-warm)}.translation-menu{z-index:40;min-width:220px;padding:var(--space-3);border:1px solid var(--ink);border-radius:var(--radius-md);background:var(--paper);box-shadow:var(--shadow-tactile-sm);gap:4px;display:grid;position:absolute;top:calc(100% + 8px);left:0}.translation-menu>.label{padding:2px var(--space-2) var(--space-2);color:var(--muted)}.translation-option,.translation-original{justify-content:space-between;align-items:center;gap:var(--space-3);width:100%;min-height:40px;padding:0 var(--space-3);border-radius:var(--radius-sm);color:var(--ink);text-align:left;display:flex}.translation-option:hover,.translation-original:hover{background:var(--paper-warm)}.translation-option[aria-pressed=true]{background:var(--teal-soft);color:var(--teal-text);font-weight:700}.translation-original{margin-top:var(--space-1);border-radius:0 0 var(--radius-sm) var(--radius-sm);color:var(--ink-soft);border-top:1px solid #221a141f;justify-content:flex-start}.translation-error{max-width:280px;color:var(--ink-soft);font-size:var(--step--1);line-height:1.35}.reading-focus-toggle,.reader-listen{min-height:34px;padding:0 var(--space-3);border-radius:var(--radius-pill)}.reading-focus-toggle[aria-pressed=true],.reader-listen[aria-pressed=true]{background:var(--teal-soft);color:var(--teal-text)}.main-inner[data-reading-focus=true] .workspace{grid-template-columns:minmax(0,1fr);max-width:920px}.main-inner[data-reading-focus=true] .outline{display:none}.main-inner[data-reading-focus=true] .section-body{gap:var(--space-5);max-width:760px;padding:var(--space-3) var(--space-2) var(--space-4)}.main-inner[data-reading-focus=true] .section-body .lede{letter-spacing:.012em;word-spacing:.055em;font-size:clamp(1.08rem,1.8vw,1.25rem);line-height:1.9}.main-inner[data-reading-focus=true] .caption-list{max-width:760px}.main-inner[data-reading-focus=true] .caption-list li{line-height:1.75}.workspace{gap:var(--space-5);align-items:start;display:grid}.stage{gap:var(--space-4);padding:var(--space-4);border-radius:var(--radius-lg);background:var(--paper);box-shadow:var(--shadow-rest);display:grid}.stage-media{border-radius:var(--radius-md);background:var(--paper-sunk);aspect-ratio:16/9;display:grid;position:relative;overflow:hidden}.stage-media>img{object-fit:cover;width:100%;height:100%}.stage-media>iframe,.stage-media>video,.stage-media>embed,.stage-media>object{background:var(--paper);border:0;width:100%;height:100%}.stage-media--video .stage-media-poster{align-content:end;gap:var(--space-2);padding:var(--space-5);background:linear-gradient(135deg, var(--gold-soft), var(--gold-tint));height:100%;display:grid}.stage-media-poster .preview-poster-title{font-family:var(--font-display);font-size:clamp(1.4rem,1rem + 1.2vw,2rem);font-weight:600;line-height:1.08}.stage-caption-overlay{padding:var(--space-3) var(--space-4);border-radius:0 0 var(--radius-md) var(--radius-md);-webkit-backdrop-filter:blur(10px)saturate(1.1);backdrop-filter:blur(10px)saturate(1.1);background:#fffdf9e0;border-top:1px solid #221a1414;gap:3px;display:grid;position:absolute;bottom:0;left:0;right:0}.btn--step{padding:0 var(--space-4);color:var(--ink-soft)}.stage-bar{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.stage-bar-title{flex:220px;gap:3px;min-width:0;display:grid}.section-nav{align-items:center;gap:var(--space-2);display:flex}.timeline{gap:var(--space-2);display:grid}.timeline-track{gap:4px;display:flex}.timeline-track 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var(--gold);display:grid}.caption-list li{gap:var(--space-3);font-size:var(--step-0);grid-template-columns:62px 1fr;display:grid}.caption-list time{font-family:var(--font-mono);color:var(--muted);padding-top:2px;font-size:.75rem}.link-card{align-content:center;justify-items:start;gap:var(--space-3);padding:var(--space-5);background:var(--paper);height:100%;display:grid}.outline{gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-lg);background:var(--paper-warm);display:grid}.outline-list{gap:6px;display:grid}.outline-item{gap:var(--space-3);width:100%;padding:var(--space-3);border-radius:var(--radius-md);text-align:left;color:var(--ink-soft);transition:background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease), box-shadow .16s var(--ease), transform .16s var(--ease);border:1px solid #0000;grid-template-columns:auto 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.image-wide-spine-go{color:var(--accent-text,var(--sun-deeper));align-items:center;gap:2px;font-size:.625rem;font-weight:600;line-height:1.2;display:flex}.main-inner--signed[data-layout=photo] .image-wide-fold{align-items:center;gap:var(--space-2);border:1px solid var(--line-soft);border-radius:var(--radius-pill);background:var(--paper);color:var(--muted);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;cursor:pointer;padding:.3rem .6rem;font-size:.625rem;transition:color .16s,border-color .16s;display:none;position:absolute;top:clamp(.5rem,.9vw,.8rem);left:clamp(.5rem,.9vw,.8rem);box-shadow:0 1px 2px #221a140f}.main-inner--signed[data-layout=photo] .image-wide-fold:hover{border-color:var(--line);color:var(--accent-text,var(--sun-deeper))}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=true][data-page-open=false]{grid-template-columns:auto minmax(15rem,34rem) minmax(0,1fr)}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=false]{grid-template-columns:minmax(0,1fr)}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=false] .image-wide-page{justify-self:center}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=false] .image-wide-margin{display:none}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=true][data-page-open=false] .image-wide-page{display:none}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=true][data-page-open=false] .image-wide-margin{align-self:stretch;max-width:34rem;max-height:100%}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=true][data-page-open=true] .image-wide-fold{display:flex}body[data-motion=reduced] .main-inner--signed[data-layout=photo] .image-wide-scan,body[data-motion=reduced] .main-inner--signed[data-layout=photo] .image-wide-status,body[data-motion=reduced] .main-inner--signed[data-layout=photo] .image-wide-page,body[data-motion=reduced] .main-inner--signed[data-layout=photo] .surface--image-wide[data-scan=running] .image-wide-ink i{animation:none}body[data-motion=reduced] .main-inner--signed[data-layout=photo] .image-wide-scan{opacity:1}body[data-motion=reduced] .main-inner--signed[data-layout=photo] .image-wide-beam{display:none}body[data-motion=reduced] .main-inner--signed[data-layout=photo] .image-wide-ink i{opacity:.58}.main-inner--signed[data-layout=photo] .image-wide-margin{border:1px solid var(--line-soft);border-radius:var(--radius-lg);background:var(--paper);min-width:0;min-height:0;padding:clamp(.9rem,1.4vw,1.35rem) clamp(1rem,1.6vw,1.5rem);display:block;overflow:auto;box-shadow:0 1px 2px #221a140a}.main-inner--signed[data-layout=photo] .image-wide-page-heading{z-index:1;justify-content:space-between;gap:var(--space-3);padding-bottom:var(--space-3);border-bottom:2px solid var(--notebook-marker);background:var(--paper);color:var(--muted);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;font-size:.6875rem;font-weight:700;display:flex;position:sticky;top:0}.main-inner--signed[data-layout=photo] .image-wide-topic{border:1px solid var(--line-soft);border-radius:var(--radius-md);background:var(--paper-warm);padding:clamp(.8rem,1.2vw,1.15rem)}.main-inner--signed[data-layout=photo] .image-wide-topic+.image-wide-topic{margin-top:var(--space-3)}.main-inner--signed[data-layout=photo] .image-wide-head>div{min-width:0}.main-inner--signed[data-layout=photo] .image-wide-kicker,.main-inner--signed[data-layout=photo] .image-wide-label{margin:0 0 var(--space-1);color:var(--accent-text,var(--sun-deeper));font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:.625rem;font-weight:700}.main-inner--signed[data-layout=photo] .image-wide-key-idea{margin-top:var(--space-4);padding:var(--space-3) var(--space-4);border:1px solid var(--line);border-left:6px solid var(--gold);border-radius:0 var(--radius-md) var(--radius-md) 0;background:var(--gold-soft)}.main-inner--signed[data-layout=photo] .image-wide-key-idea .image-wide-label{color:var(--gold-text)}.main-inner--signed[data-layout=photo] .image-wide-key-idea .image-wide-lede{border:0;margin:0;padding:0}.main-inner--signed[data-layout=photo] .image-wide-detail{margin-top:var(--space-4)}.main-inner--signed[data-layout=photo] .image-wide-detail .image-wide-body{margin:0}.main-inner--signed[data-layout=photo] .image-wide-vocabulary{margin-top:var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--line)}.main-inner--signed[data-layout=photo] .image-wide-vocabulary .image-wide-terms:not(:empty){margin:var(--space-2) 0 0;border:0;padding:0}.main-inner--signed[data-layout=photo] .image-wide-plate{margin:0 0 var(--space-3);padding-bottom:var(--space-3);border-bottom:1px solid var(--line-soft)}.main-inner--signed[data-layout=photo] .image-wide-head{align-items:center;gap:clamp(.6rem,1vw,.9rem);min-width:0;display:flex}.main-inner--signed[data-layout=photo] .image-wide-number{border-radius:var(--radius-md);background:var(--accent-soft,var(--sun-soft));width:2.25rem;height:2.25rem;color:var(--accent-text,var(--sun-deeper));font-family:var(--font-mono);letter-spacing:.04em;flex:none;place-items:center;font-size:.75rem;font-weight:800;display:grid}.main-inner--signed[data-layout=photo] .image-wide-title{overflow-wrap:anywhere;min-width:0;font-family:var(--font-display);color:var(--ink);margin:0;font-size:clamp(1.15rem,.85rem + .62vw,1.6rem);font-weight:600;line-height:1.1}.main-inner--signed[data-layout=photo] .image-wide-lede{margin:var(--space-3) 0 0;padding-left:var(--space-4);border-left:3px solid var(--accent,var(--sun));font-size:var(--step-1);color:var(--ink-soft);overflow-wrap:break-word;max-width:46ch;line-height:1.4}.main-inner--signed[data-layout=photo] .image-wide-body{margin:var(--space-3) 0 0;max-width:52ch;color:var(--ink-soft);text-wrap:pretty;overflow-wrap:break-word}.main-inner--signed[data-layout=photo] .image-wide-terms:not(:empty){gap:var(--space-2);margin:var(--space-4) 0 0;padding-top:var(--space-3);border-top:1px solid var(--line-soft);align-content:start;display:grid}.main-inner--signed[data-layout=photo] .image-wide-terms div{align-content:start;gap:2px;min-width:0;display:grid}.main-inner--signed[data-layout=photo] .image-wide-terms-badge{width:2.25rem;height:2.25rem;margin-bottom:var(--space-2);border-radius:var(--radius-pill);background:var(--accent-soft,var(--sun-soft));color:var(--accent-text,var(--sun-deeper));place-items:center;display:grid}.main-inner--signed[data-layout=photo] .image-wide-terms dt{overflow-wrap:break-word;min-width:0;font-family:var(--font-mono);text-transform:uppercase;color:var(--ink);font-size:.6875rem;font-weight:600}.main-inner--signed[data-layout=photo] .image-wide-terms dd{overflow-wrap:break-word;min-width:0;font-size:var(--step--1);color:var(--muted);margin:0;line-height:1.4}.main-inner--signed[data-layout=photo] .signer-anchor{border-radius:var(--radius-md);background:var(--paper-warm);height:auto;box-shadow:0 0 0 1px #221a140f, var(--shadow-rest);align-self:stretch;overflow:hidden}.main-inner--signed[data-layout=photo] .signer-layer[data-state=docked] .signer-layer-head{min-height:30px;padding:0 var(--space-2) 0 var(--space-3);background:0 0;border-bottom:0}.main-inner--signed[data-layout=photo] .signer-layer[data-state=docked] .signer-layer-head .label,.main-inner--signed[data-layout=photo] .signer-layer[data-state=docked] .signer-layer-head .signer-layer-note{display:none}.main-inner--signed[data-layout=photo] .signer-open-phrase{margin:0 var(--space-3) var(--space-3);padding:.95rem var(--space-4) .95rem 4.5rem;border-radius:var(--radius-md);background:linear-gradient(var(--notebook-marker), var(--notebook-marker)) top / 100% 4px no-repeat, linear-gradient(135deg, #fffefa, #fff3d8);border:1px solid #e7d7ae;align-content:center;gap:0;display:grid;position:relative;box-shadow:0 6px 20px #45311217}.main-inner--signed[data-layout=photo] .signer-open-phrase:before{content:"";border-radius:var(--radius-pill);background:var(--ink);width:2.65rem;height:2.65rem;position:absolute;top:1.2rem;left:.85rem;box-shadow:0 0 0 4px #fff7e2}.main-inner--signed[data-layout=photo] .signer-open-phrase:after{content:"";background-color:var(--notebook-marker);width:2.65rem;height:2.65rem;-webkit-mask-image:var(--signer-hand);-webkit-mask-image:var(--signer-hand);mask-image:var(--signer-hand);position:absolute;top:1.2rem;left:.85rem;-webkit-mask-position:50%;mask-position:50%;-webkit-mask-size:1.3rem;mask-size:1.3rem;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}.main-inner--signed[data-layout=photo] .signer-open-phrase .signer-open-phrase-line{align-items:start;gap:2px;display:grid}.main-inner--signed[data-layout=photo] .signer-open-phrase .signer-open-phrase-label{color:var(--cobalt-text);font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;font-size:.625rem;font-weight:800}.main-inner--signed[data-layout=photo] .signer-open-phrase .signer-open-phrase-text{white-space:normal;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;font-size:clamp(1.1rem,.9rem + .45vw,1.45rem);font-weight:750;line-height:1.12;display:-webkit-box;overflow:hidden}.main-inner--signed[data-layout=photo] .signer-open-phrase .signer-open-phrase-note{margin-top:var(--space-2);padding-top:var(--space-2);color:var(--muted);font-family:var(--font-body);letter-spacing:0;text-transform:none;border-top:1px solid #e8d9b6;font-size:.75rem;line-height:1.35}.main-inner--signed[data-layout=photo] .sasl-sections,.main-inner--signed[data-layout=photo] .sasl-bar{border-top:1px solid var(--line-soft);background:0 0;align-self:start;padding:clamp(.65rem,.85vw,.9rem) 0 0}.main-inner--signed[data-layout=photo] .sasl-sections{min-width:0;padding-bottom:calc(var(--space-2) + 5px);grid-area:sections}.main-inner--signed[data-layout=photo] .sasl-sections .stepper{overscroll-behavior-x:contain;scrollbar-width:none;flex-wrap:nowrap;overflow-x:auto}.main-inner--signed[data-layout=photo] .sasl-sections .stepper::-webkit-scrollbar{display:none}.main-inner--signed[data-layout=photo] .sasl-sections .stepper-step{border-color:var(--line-soft);background:var(--paper-warm);flex:1 0 auto;min-width:44px;height:40px}.main-inner--signed[data-layout=photo] .sasl-sections .stepper-step[aria-current=step]{border-color:var(--ink);background:var(--ink)}.main-inner--signed[data-layout=photo] .sasl-sections .notebook-stepper .stepper-step{align-content:center;gap:1px;min-width:5.5rem;height:48px}.main-inner--signed[data-layout=photo] .notebook-stepper-count{letter-spacing:.02em;font-size:.5625rem;font-weight:500}.main-inner--signed[data-layout=photo] .sasl-sections .stepper-step[aria-current=page]{border-color:var(--ink);background:linear-gradient(var(--notebook-marker), var(--notebook-marker)) top / 100% 4px no-repeat, var(--ink);color:var(--paper);box-shadow:0 3px 0 var(--notebook-marker)}.main-inner--signed[data-layout=photo] .sasl-bar{align-items:center;gap:var(--space-3);padding-left:var(--space-4);flex-direction:row;grid-area:bar;display:flex}.main-inner--signed[data-layout=photo] .sasl-bar .section-nav .btn--step{height:40px;padding:0 var(--space-5)}.main-inner--signed[data-layout=photo] .sasl-bar .section-nav .btn--step:last-child{border-color:var(--accent,var(--sun));background:var(--accent,var(--sun));color:#fffdf9;box-shadow:0 1px 2px #221a141f}.main-inner--signed[data-layout=photo] .sasl-bar .section-nav .btn--step:last-child:hover{filter:brightness(.94)}.main-inner--signed[data-layout=photo] .sasl-bar .section-nav .btn--step:last-child[disabled]{border-color:var(--line-soft);background:var(--paper-warm);color:var(--muted);box-shadow:none}.main-inner--signed[data-layout=photo] .sasl-position{display:none}.main-inner--signed[data-layout=photo] .sasl-bar-row--nav{justify-content:flex-end;gap:var(--space-3)}html[data-signer-state=floating] .main-inner--signed[data-layout=photo],html[data-signer-state=minimized] .main-inner--signed[data-layout=photo],html[data-signer-state=hidden] .main-inner--signed[data-layout=photo]{--lane-w:0px;max-width:1200px}html[data-signer-state=minimized] .main-inner--signed[data-layout=photo] .sasl-panes,html[data-signer-state=hidden] .main-inner--signed[data-layout=photo] .sasl-panes,html[data-signer-state=floating] .main-inner--signed[data-layout=photo] .sasl-panes{grid-template-columns:minmax(0,1fr)}.main-inner--signed[data-layout=photo] .sasl-source,.main-inner--signed[data-layout=photo] .sasl-source .pane-body{width:100%;min-width:0}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=true][data-page-open=false]{width:min(100%,1240px);margin-inline:auto;grid-template-columns:minmax(0,1fr)!important}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=true][data-page-open=false] .image-wide-spine{display:none!important}.main-inner--signed[data-layout=photo] .surface--image-wide[data-read=true][data-page-open=false] .image-wide-margin{align-self:stretch;width:100%;max-height:100%;padding:clamp(1.35rem,2vw,2rem) clamp(1.5rem,2.5vw,2.5rem);max-width:none!important}.main-inner--signed[data-layout=photo] .image-wide-page-heading{padding-bottom:var(--space-3);border-bottom:1px solid var(--line-soft);justify-content:flex-start}.main-inner--signed[data-layout=photo] .image-wide-topic{border:0;border-bottom:1px solid var(--line-soft);background:0 0;border-radius:0;padding:clamp(1rem,1.5vw,1.4rem) 0}.main-inner--signed[data-layout=photo] .image-wide-topic:last-child{border-bottom:0}.main-inner--signed[data-layout=photo] .image-wide-key-idea{max-width:none}.main-inner--signed[data-layout=photo] .image-wide-lede,.main-inner--signed[data-layout=photo] .image-wide-body{max-width:72ch}.main-inner--signed[data-layout=photo] .sasl-bar{box-shadow:none;padding:var(--space-3) 0 var(--space-2);background:0 0;border:0}.main-inner--signed[data-layout=photo] .sasl-bar-row--notebook-minimal{align-items:center;gap:var(--space-4);grid-template-columns:minmax(150px,auto) minmax(110px,1fr) minmax(150px,auto);width:min(100%,760px);margin-inline:auto;display:grid;position:relative}.main-inner--signed[data-layout=photo] .notebook-page-position{color:var(--muted);font-family:var(--font-mono);letter-spacing:.04em;white-space:nowrap;justify-self:center;margin:0;font-size:.75rem;font-weight:600}.main-inner--signed[data-layout=photo] .notebook-page-nav{justify-content:center;min-width:150px}.main-inner--signed[data-layout=photo] .notebook-page-nav--next{background:var(--blue,#2367c9);color:#fff;border-color:#0000}.main-inner--signed[data-layout=photo] .notebook-page-nav--next:not(:disabled):hover{filter:brightness(.96)}.main-inner--signed[data-layout=photo] .notebook-signer-return{z-index:46;min-height:46px;padding-inline:var(--space-4);border:1px solid var(--line-soft);border-radius:var(--radius-pill);background:var(--paper);box-shadow:var(--shadow-rest);position:fixed;bottom:clamp(1.25rem,2vw,2rem);right:clamp(1.25rem,2.5vw,2.5rem)}.signer-layer[data-state=open] .signer-open-head,.signer-layer[data-state=open] .signer-open-actions,.signer-layer[data-state=open] .signer-open-phrase{display:none!important}.signer-layer[data-state=open] .signer-layer-head{display:flex!important}.signer-layer[data-state=open] .signer-layer-frame{background:var(--paper);overflow:hidden;grid-template-rows:auto minmax(0,1fr)!important}.signer-layer[data-state=open] .signer-layer-body .runtime-slot,.signer-layer[data-state=open] .signer-layer-body .runtime-mount{min-width:0;position:absolute;aspect-ratio:auto!important;width:100%!important;height:100%!important;inset:0!important;transform:none!important}.signer-anchor>.signer-layer[data-state=open]{z-index:1;width:auto;height:auto;position:absolute;inset:0}.signer-anchor>.signer-layer[data-state=open] .signer-layer-frame{box-shadow:none;border:0;border-radius:0}#signer-layer-root>.signer-layer[data-state=open]{right:var(--space-5);top:var(--space-5);width:var(--signer-layer-width,330px);height:var(--signer-layer-height,410px);z-index:40;box-shadow:var(--shadow-float);position:fixed}#signer-layer-root>.signer-layer[data-state=open] .signer-layer-frame{border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-rest)}}.canvas--register{padding:var(--space-7) var(--space-5) var(--space-8);display:block}.reg{gap:var(--space-6);width:min(920px,100%);margin:0 auto;display:grid}.reg-back{align-items:center;gap:var(--space-2);margin-bottom:var(--space-5);color:var(--muted);font-size:var(--step--1);font-weight:700;text-decoration:none;display:inline-flex}.reg-back:hover{color:var(--ink)}.reg-title{margin:var(--space-1) 0 var(--space-3);font-family:var(--font-display);letter-spacing:-.02em;font-size:clamp(2rem,5vw,3rem);line-height:1.05}.reg-lead{max-width:58ch;color:var(--ink-soft);font-size:var(--step-1);margin:0;line-height:1.55}.reg-voice{gap:var(--space-4);padding:var(--space-5);border:1px solid var(--ink);border-radius:var(--radius-xl);background:var(--teal-soft);box-shadow:var(--shadow-tactile-sm);display:grid;position:relative}.reg-voice--listening{border-color:var(--ink);box-shadow:var(--shadow-tactile-md)}.reg-voice-head{align-items:flex-start;gap:var(--space-4);display:flex}.reg-voice-mark{border-radius:var(--radius-pill);background:var(--teal);width:52px;height:52px;color:var(--paper);flex:none;place-items:center;display:grid;position:relative}.reg-voice-ring{border-radius:var(--radius-pill);border:2px solid var(--teal);opacity:0;pointer-events:none;position:absolute;inset:0}.reg-voice-mark.is-listening .reg-voice-ring{animation:reg-pulse 1.8s var(--ease) infinite}.reg-voice-mark.is-listening .reg-voice-ring--late{animation-delay:.9s}@keyframes reg-pulse{0%{opacity:.5;transform:scale(1)}to{opacity:0;transform:scale(1.7)}}body[data-motion=reduced] .reg-voice-ring{animation:none!important}body[data-motion=reduced] .reg-voice-mark.is-listening{outline:3px solid var(--teal);outline-offset:3px}.reg-voice-head-text{gap:var(--space-1);display:grid}.reg-voice-lead{color:var(--ink-soft);font-size:var(--step-0);line-height:1.5}.reg-voice-actions{align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.reg-voice-btn{flex:none}.reg-voice-status{align-items:center;gap:var(--space-2);color:var(--muted);font-size:var(--step--1);display:inline-flex}.reg-voice-status--muted{gap:var(--space-2)}.reg-voice-dot{border-radius:var(--radius-pill);background:var(--sun);width:8px;height:8px;animation:1.1s steps(2,start) infinite reg-blink}@keyframes reg-blink{50%{opacity:.25}}.reg-transcript{padding:var(--space-4);border:1px solid var(--ink);border-left:3px solid var(--teal);border-radius:var(--radius-md);background:var(--paper);margin:0}.reg-transcript figcaption{margin-bottom:var(--space-2)}.reg-transcript-text{font-size:var(--step-1);margin:0;line-height:1.55}.reg-transcript-final{color:var(--ink)}.reg-transcript-interim{color:var(--muted);font-style:italic}.reg-understood{gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-md);background:var(--teal-soft);display:grid}.reg-understood-count{align-items:center;gap:var(--space-2);color:var(--teal-text);font-weight:700;font-size:var(--step-0);display:inline-flex}.reg-understood-list{gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.reg-understood-list li{padding:var(--space-1) var(--space-3);border-radius:var(--radius-pill);background:var(--paper);color:var(--teal-text);font-size:var(--step--1);font-weight:700}.reg-understood-note{color:var(--ink-soft);font-size:var(--step--1);margin:0}.reg-voice-error{margin:0}.reg-voice-diagnostics{padding-top:var(--space-3);color:var(--muted);border-top:1px solid #221a1424}.reg-voice-diagnostics summary{justify-content:space-between;align-items:center;gap:var(--space-3);cursor:pointer;font-size:var(--step--1);font-weight:700;list-style:none;display:flex}.reg-voice-diagnostics summary::-webkit-details-marker{display:none}.reg-voice-diagnostics summary:before{content:"›";transition:transform .12s var(--ease);flex:none;transform:rotate(0)}.reg-voice-diagnostics[open] summary:before{transform:rotate(90deg)}.reg-voice-diagnostics-state{opacity:.72;margin-left:auto;font-weight:500}.reg-voice-diagnostics code{max-height:96px;margin-top:var(--space-3);padding:var(--space-3);border-radius:var(--radius-sm);color:var(--ink-soft);white-space:pre-wrap;overflow-wrap:anywhere;background:#ffffff85;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:11px;line-height:1.45;display:block;overflow:auto}.reg-manual{padding-top:var(--space-4);border-top:1px solid #221a142e}.reg-manual summary{align-items:center;gap:var(--space-2);color:var(--ink-soft);font-size:var(--step-0);cursor:pointer;font-weight:700;display:inline-flex}.reg-manual summary:hover{color:var(--ink)}.reg-manual[open] summary{margin-bottom:var(--space-3)}.reg-manual .field textarea{min-height:96px;font-size:var(--step-0)}.reg-manual .btn{margin-top:var(--space-3)}.reg-form{gap:var(--space-5);display:grid}.reg-card{gap:var(--space-5);padding:var(--space-5);border:1px solid var(--ink);border-radius:var(--radius-xl);background:var(--paper);box-shadow:var(--shadow-tactile-sm);display:grid}.reg-card--preview{background:var(--paper-warm)}.reg-card-head{justify-content:space-between;align-items:baseline;gap:var(--space-4);flex-wrap:wrap;display:flex}.reg-card-head .h2{margin:0}.reg-card-note{align-items:center;gap:var(--space-2);color:var(--muted);font-size:var(--step--1);margin:0;display:inline-flex}.reg-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));display:grid}.reg-field--error input{border-color:var(--sun)}.reg-hint{color:var(--muted);font-size:var(--step--1)}.reg-error{color:var(--sun-deep);font-size:var(--step--1);font-weight:700}.reg-field input{width:100%;padding:var(--space-3);border:1px solid var(--ink);border-radius:var(--radius-md);background:var(--paper);font:inherit;font-size:var(--step-0);color:var(--ink)}.reg-field input:focus-visible{outline:var(--focus-ring);outline-offset:2px}.reg-group{gap:var(--space-3);display:grid}.reg-group-label{font-family:var(--font-mono);font-size:var(--step--1);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.reg-group-hint{color:var(--muted);font-size:var(--step--1);margin-top:calc(var(--space-2) * -1)}.reg-langs{gap:var(--space-2);grid-template-columns:repeat(auto-fit,minmax(150px,1fr));display:grid}.reg-lang{padding:var(--space-3);border:1px solid var(--ink);border-radius:var(--radius-md);background:var(--paper);text-align:left;cursor:pointer;font:inherit;color:var(--ink);box-shadow:var(--shadow-tactile-sm);transition:transform .12s var(--ease), box-shadow .12s var(--ease), background .12s var(--ease);gap:2px;display:grid}.reg-lang:hover{background:var(--paper-warm);box-shadow:var(--shadow-tactile);transform:translateY(-2px)}.reg-lang:active{box-shadow:1px 1px 0 var(--ink);transform:translate(2px,2px)}.reg-lang[aria-pressed=true]{border-color:var(--teal);background:var(--teal-soft);color:var(--teal-text)}.reg-lang-name{font-weight:700;font-size:var(--step-0)}.reg-lang-native{color:var(--muted);font-size:var(--step--1)}.reg-lang[aria-pressed=true] .reg-lang-native{color:var(--teal-text)}.reg-styles{gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.reg-style{align-items:flex-start;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--ink);border-radius:var(--radius-md);background:var(--paper);text-align:left;cursor:pointer;font:inherit;color:var(--ink);display:flex}.reg-style:hover{background:var(--paper-warm)}.reg-style[aria-pressed=true]{border-color:var(--sun);background:var(--sun-soft)}.reg-style-icon{border-radius:var(--radius-sm);background:var(--paper-sunk);width:36px;height:36px;color:var(--sun-deep);flex:none;place-items:center;display:grid}.reg-style[aria-pressed=true] .reg-style-icon{background:var(--paper)}.reg-style-text{gap:2px;display:grid}.reg-style-name{font-weight:700;font-size:var(--step-0)}.reg-style-hint{color:var(--muted);font-size:var(--step--1);line-height:1.4}.reg-toggles{gap:var(--space-2);display:grid}.reg-toggle{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border:1px solid var(--ink);border-radius:var(--radius-md);background:var(--paper);text-align:left;cursor:pointer;font:inherit;color:var(--ink);display:flex}.reg-toggle:hover{background:var(--paper-warm)}.reg-toggle[aria-checked=true]{border-color:var(--teal);background:var(--teal-soft)}.reg-toggle-icon{color:var(--muted);flex:none}.reg-toggle[aria-checked=true] .reg-toggle-icon{color:var(--teal-text)}.reg-toggle-text{flex:1;gap:2px;display:grid}.reg-toggle-name{font-weight:700;font-size:var(--step-0)}.reg-toggle-hint{color:var(--muted);font-size:var(--step--1)}.reg-toggle-switch{border-radius:var(--radius-pill);background:var(--paper-sunk);border:1px solid var(--ink);flex:none;align-items:center;width:40px;height:22px;padding:2px;display:inline-flex}.reg-toggle-switch span{border-radius:var(--radius-pill);background:var(--paper);width:16px;height:16px;box-shadow:var(--shadow-rest);transition:transform .16s var(--ease)}.reg-toggle[aria-checked=true] .reg-toggle-switch{background:var(--teal);border-color:var(--teal)}.reg-toggle[aria-checked=true] .reg-toggle-switch span{transform:translate(18px)}body[data-motion=reduced] .reg-toggle-switch span{transition:none}.reg-preview{align-items:center;gap:var(--space-4);display:flex}.reg-preview-text{gap:var(--space-1);display:grid}.reg-preview-name{font-family:var(--font-display);font-size:var(--step-2);line-height:1.15}.reg-preview-line{color:var(--ink-soft);font-size:var(--step-0);line-height:1.5}.reg-actions{align-items:center;gap:var(--space-3);padding-bottom:var(--space-5);flex-wrap:wrap;display:flex}.drawer-add-full{margin-top:var(--space-3);justify-content:center;width:100%}body[data-learner-text=larger]{--step--1:.875rem;--step-0:1.0625rem;--step-1:1.1875rem;--step-2:1.4375rem;--step-3:1.75rem;--step-4:2.25rem;--step-5:3rem;--reading-width:58ch}body[data-learner-clutter=reduced] .hero-tags,body[data-learner-clutter=reduced] .hero-fact,body[data-learner-clutter=reduced] .material-card-meta{opacity:.72}@media (width<=640px){.canvas--register{padding:var(--space-5) var(--space-4) var(--space-7)}.reg-voice,.reg-card{padding:var(--space-4);border-radius:var(--radius-lg)}.reg-voice-head{gap:var(--space-3);flex-direction:column}.reg-actions .btn{justify-content:center;width:100%}}.home-invite{align-items:center;gap:var(--space-2);margin-top:var(--space-4);padding:var(--space-2) var(--space-3) var(--space-2) var(--space-3);border:1px solid var(--ink);border-radius:var(--radius-pill);background:var(--teal-soft);color:var(--teal-text);font:inherit;font-size:var(--step--1);cursor:pointer;transition:background .15s var(--ease);font-weight:700;display:inline-flex}.home-invite:hover{background:var(--teal-tint)}.home-invite:focus-visible{outline:var(--focus-ring);outline-offset:2px}[data-read-word]{border-radius:3px;transition:background 80ms linear}[data-read-word][data-reading]{background:var(--gold-tint);box-shadow:0 0 0 2px var(--gold-tint);color:var(--ink)}body[data-reading=true] .signable{cursor:default;text-decoration:none}.sasl-read[aria-pressed=true]{background:var(--gold-tint);color:var(--gold-text)}body[data-motion=reduced] [data-read-word]{transition:none}.reg-transcript-waiting{color:var(--muted);font-style:italic}}