@font-face{font-family:Egyptian;src:url('/assets/fonts/NotoSansEgyptianHieroglyphs-Regular.ttf') format('truetype');font-display:swap}@font-face{font-family:Noto;src:url('/assets/fonts/NotoSans.ttf') format('truetype');font-weight:100 900;font-display:swap}
:root{color-scheme:light dark;--bg:oklch(.985 .006 75);--surface:oklch(1 0 0);--ink:oklch(.24 .015 65);--muted:oklch(.48 .025 65);--accent:oklch(.49 .12 65);--line:oklch(.3 .02 65/.15);--soft:oklch(.95 .02 75);--radius:1.25rem}*{box-sizing:border-box}html{font-family:system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;background:var(--bg);color:var(--ink)}body{margin:0;font-size:1rem;line-height:1.6;min-height:100dvh}main{isolation:isolate;min-height:65vh}.shell{max-width:1160px;margin:auto;padding-inline:24px}h1,h2,h3{font-weight:600;line-height:1.2;letter-spacing:-.02em;text-wrap:balance}h1{font-size:clamp(2.5rem,5vw,4.75rem);max-width:20ch;margin:0 0 28px}h2{font-size:clamp(1.75rem,3vw,2.5rem);margin-top:0}h3{font-size:1.4rem}p{max-width:68ch;text-wrap:pretty}a{color:var(--accent);text-underline-offset:4px}@media(hover:hover){a:hover{text-decoration-thickness:2px}}button,input,select,textarea{font:inherit;color:inherit}button,.primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--line);border-radius:12px;background:var(--soft);padding:10px 16px;cursor:pointer;text-decoration:none;color:var(--ink)}@media(hover:hover){button:not(:disabled):hover{background:var(--line)}}.primary{background:var(--accent);color:white;border-color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}input:focus-visible,textarea:focus-visible{outline-offset:0}.skip{position:absolute;top:-100px}.skip:focus{top:10px;background:var(--surface);z-index:10;padding:12px}header{border-bottom:1px solid var(--line);background:var(--surface)}.header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:80px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:600;white-space:nowrap}.brand img{display:block;flex-shrink:0}nav{display:flex;gap:24px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--muted)}nav a[aria-current=page]{color:var(--ink);background:var(--soft);border-radius:6px}summary{cursor:pointer}.menu>summary{display:none}.menu nav{display:flex}section{padding-block:64px}section+section{border-top:1px solid var(--line)}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:48px;min-height:70svh}.hero>*{min-width:0}.lede{font-size:1.25rem;max-width:42ch}.muted{color:var(--muted)}.glyph{font-family:Egyptian,Noto,sans-serif;font-weight:400}.hero-signs{font-size:clamp(4rem,7vw,7.5rem);color:var(--accent);text-align:center}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.features dt{font-size:1.25rem;font-weight:600}.features dd{margin:12px 0 0;color:var(--muted)}.app-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;text-align:center}.app-grid a{text-decoration:none;color:inherit}.app-grid img{display:block;margin:auto}.app-grid p{margin:8px 0}.app-grid .muted{font-size:.9rem}footer{border-top:1px solid var(--line);padding-block:40px;background:var(--surface)}.title-row{display:flex;justify-content:space-between;align-items:baseline;gap:24px}.title-row h1{font-size:3rem}.filters{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:32px}label{display:flex;flex-direction:column;gap:8px}input,select,textarea{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:12px;min-width:0;width:100%;font-size:1rem}textarea{resize:vertical;font-family:Noto,system-ui,sans-serif}.sign-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px}.sign{flex-direction:column;gap:8px;background:var(--surface);min-height:150px}.sign .glyph{font-size:3rem;line-height:1.4}.sign p{margin:0}.sign small{color:var(--muted);font-size:.875rem}dialog{border:1px solid var(--line);border-radius:var(--radius);padding:28px;max-width:min(560px,calc(100vw - 32px));background:var(--surface);color:var(--ink)}dialog::backdrop{background:oklch(0 0 0/.45)}dialog form{text-align:right}dialog .glyph{font-size:5rem;color:var(--accent);margin-block:24px}dialog .reading{font:2.5rem Noto,system-ui,sans-serif}.prose{max-width:72ch;padding-block:64px;line-height:1.75}.prose h1{text-wrap:pretty;font-size:clamp(2.5rem,4vw,3.5rem)}.prose h2{margin-top:48px;font-size:1.75rem}.prose li+li{margin-top:12px}.prose .glyph{font-size:1.6em;vertical-align:middle}.conversion{display:grid;grid-template-columns:1fr auto 1fr;align-items:start;gap:24px;margin-block:32px}.conversion>button{margin-top:42px}.conversion output{display:block;min-height:180px;overflow-wrap:anywhere;font-size:3rem}.conversion p{margin-top:0}.options{display:grid;gap:16px;padding-block:20px}.options label{flex-direction:row;align-items:center}.options input{width:20px;height:20px;flex-shrink:0}.practice{max-width:720px}.practice h1{font-size:3rem}.quiz-sign{font-size:6rem;margin-block:24px;color:var(--accent)}.answers{display:grid;grid-template-columns:1fr 1fr;gap:16px}.answers button{font-family:Noto,system-ui,sans-serif;font-size:1.5rem}.answers button[data-correct=true]{border:2px solid var(--accent)}.answers button:disabled{cursor:default;opacity:.75}#question-count{font-variant-numeric:tabular-nums}.review{display:flex;align-items:center;gap:24px;border-top:1px solid var(--line);padding-block:12px}.review .glyph{font-size:2.5rem}.review .reading{font-family:Noto,system-ui,sans-serif}[hidden]{display:none!important}
@media(prefers-color-scheme:dark){:root{--bg:oklch(.18 .012 65);--surface:oklch(.21 .012 65);--ink:oklch(.95 .008 75);--muted:oklch(.76 .02 75);--accent:oklch(.79 .13 75);--line:oklch(1 0 0/.15);--soft:oklch(.27 .02 65)}.primary{color:oklch(.2 .02 65)}*{box-shadow:none!important}}
@media(max-width:850px){.menu>summary{display:block;padding:12px}.menu:not([open]) nav{display:none}.menu nav{position:absolute;left:0;right:0;top:80px;background:var(--surface);z-index:5;padding:24px;flex-direction:column;border-bottom:1px solid var(--line)}.hero{grid-template-columns:1fr;min-height:auto;gap:32px}.hero-signs{text-align:left;font-size:5rem}.features{grid-template-columns:1fr}.app-grid{grid-template-columns:repeat(3,1fr)}.conversion{grid-template-columns:1fr}.conversion>button{margin:0;justify-self:start}.title-row{align-items:start;flex-direction:column;gap:0}.filters{grid-template-columns:1fr;gap:16px}section,.prose{padding-block:40px}.header{gap:16px}.shell{padding-inline:20px}.sign-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.sign{padding:10px 4px;min-height:130px}.sign small{font-size:1rem}.sign p{font-size:1rem}.sign .glyph{font-size:2.5rem}.app-grid img{width:72px;height:72px}h1,.title-row h1,.practice h1{font-size:2.5rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}@media print{header,footer,.filters,button,.menu{display:none}.sign-grid{grid-template-columns:repeat(6,1fr)}body{background:white;color:black}.sign{break-inside:avoid}}
dialog{width:min(560px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto}dialog .glyph{line-height:1.3}dialog h2{margin-bottom:16px}dialog .reading{margin-block:12px 24px}

dialog,.menu nav{overscroll-behavior:contain}.conversion>*{min-width:0}.sign small{overflow-wrap:anywhere}
.title-row{margin-bottom:24px}@media(max-width:380px){.sign-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

.hero-device img{display:block;width:100%;height:auto}.hero-device{min-width:0}
.hero-device{overflow:hidden;aspect-ratio:4/3;display:grid;place-items:center}.hero-device img{width:150%;max-width:none;height:auto}
.hero-device{position:relative;display:block}.hero-device img{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}

.hero-device video{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:178%;max-width:none;height:auto;opacity:0;pointer-events:none}.hero-device.is-playing video{opacity:1}.hero-device.is-playing img{opacity:0}
@media(prefers-reduced-motion:reduce){.hero-device video{display:none}.hero-device.is-playing img{opacity:1}}
.practice-hero{background:linear-gradient(120deg,oklch(.38 .09 55),oklch(.55 .12 65));color:white;padding:24px;border-radius:24px;text-align:center;display:grid;gap:12px}.practice-hero .glyph{font-size:3rem}.practice-hero p{margin:0}.practice-start{background:oklch(1 0 0/.14);border-color:oklch(1 0 0/.4);color:white;backdrop-filter:blur(12px);font-weight:600}.skill-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-block:20px}.skill-card{position:relative;min-height:140px;overflow:hidden;align-items:start;justify-content:end;flex-direction:column;text-align:left;color:white;background:var(--skill);border:0;padding:18px}.skill-card .glyph{position:absolute;right:10px;top:2px;font-size:4.5rem;opacity:.2;pointer-events:none}.skill-card strong,.skill-card small{position:relative}.direction{--skill:oklch(.43 .15 260)}.sounds{--skill:oklch(.40 .065 190)}.roles{--skill:oklch(.43 .14 310)}.groups{--skill:oklch(.43 .10 55)}.skill-card:not(:disabled):hover{background:var(--skill);filter:brightness(1.08)}.practice-top{display:flex;justify-content:space-between;gap:16px;align-items:center}.practice-exercise{display:grid;gap:24px;grid-template-columns:1fr 1fr;margin-block:24px}.practice-glyph{font-size:4rem;text-align:center;line-height:1.5;padding-block:24px;color:var(--accent)}.practice-glyph.mirrored{transform:scaleX(-1)}.practice-answers{display:grid;gap:12px}.practice-answers button{font-family:system-ui,-apple-system,Noto,sans-serif;text-align:left;justify-content:space-between}.practice-answers button[data-correct=true]{border:2px solid var(--accent)}.practice-answers button:disabled{opacity:1;cursor:default}.practice-record{border-bottom:1px solid var(--line);padding-block:16px}.practice-record h3,.practice-record p{margin:6px 0}.consonant-drill{margin-block:28px}.consonant-drill>summary{margin-bottom:20px}#practice-game>button{margin:8px 12px 8px 0}#practice-game progress{width:100%;accent-color:var(--accent)}@media(max-width:650px){.practice-exercise{grid-template-columns:1fr}.skill-card{min-height:150px;padding:14px}}@media(max-width:350px){.skill-grid{grid-template-columns:1fr}.practice-glyph{font-size:3rem}}

.practice-review{padding-block:16px;border-bottom:1px solid var(--line)}.practice-review p{margin:8px 0}.practice-review .glyph{display:inline-block;font-size:2.25rem;line-height:1.5}.practice-review .mirrored{transform:scaleX(-1)}#practice-game h2,#practice-game [role=status],.practice-review{font-family:system-ui,-apple-system,Noto,sans-serif}
.practice-exercise [role=status]>button,#next{width:100%}

/* Practice history follows the app's sheet and empty state. */
.practice-history{padding:24px;width:min(560px,calc(100vw - 32px));font-family:system-ui,-apple-system,Noto,sans-serif}
.practice-history-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}
.practice-history-heading h2{font-size:1.25rem;margin:0}
.practice-history-empty{min-height:260px;display:flex;flex-direction:column;justify-content:center;text-align:center;gap:8px}
.practice-history-empty h3,.practice-history-empty p{margin:0}
.practice-history-empty p,.practice-history time{color:var(--muted)}
.practice-history-done{width:100%}
.practice-history .practice-record{padding-block:20px;border-bottom:1px solid var(--line)}
.practice-history .practice-record:last-child{border-bottom:0}
.practice-history .practice-record h3{margin:0 0 4px;font-size:1.125rem}
.practice-history .practice-record p{margin:8px 0 0}