@font-face{font-family:'Noto Sans Tifinagh';src:url('/fonts/noto-tifinagh-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Cormorant Garamond';src:url('/fonts/cormorant-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Cormorant Garamond';src:url('/fonts/cormorant-400-italic.woff2') format('woff2');font-style:italic;font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url('/fonts/inter-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url('/fonts/inter-500.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:Inter;src:url('/fonts/inter-700.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Cairo;src:url('/fonts/cairo-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Cairo;src:url('/fonts/cairo-500.woff2') format('woff2');font-weight:500;font-display:swap}

:root{color-scheme:dark;--page:#000;--surface:#0a0a0a;--surface-raised:#111;--text:#d4d4d4;--heading:#f5f5f5;--muted:#737373;--faint:#525252;--line:#262626;--line-strong:#404040;--accent:#a3a3a3;--rail-width:156px;--rail-content-gap:34px;--font-body:Inter,Arial,sans-serif;--font-display:'Cormorant Garamond',Georgia,serif;--font-tifinagh:'Noto Sans Tifinagh',serif;--font-arabic:Cairo,Inter,Arial,sans-serif}
html{scroll-behavior:smooth;background:var(--page)}
html[data-theme="light"]{color-scheme:light;--page:#fff;--surface:#fff;--surface-raised:#f5f5f5;--text:#404040;--heading:#171717;--muted:#737373;--faint:#a3a3a3;--line:#e5e5e5;--line-strong:#d4d4d4;--accent:#262626}
*{box-sizing:border-box}
body{min-height:100svh;margin:0;display:flex;flex-direction:column;background:var(--page);color:var(--text);font:400 .9rem/1.75 var(--font-body);letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
button,textarea{font:inherit}
button{cursor:pointer}
.shell{width:min(100% - 48px,780px);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:12px;left:12px;z-index:300;padding:8px 12px;background:var(--heading);color:var(--page);transform:translateY(-160%)}
.skip-link:focus{transform:none}
:focus-visible{outline:2px dotted var(--accent);outline-offset:4px}

/* Sidebar and page frame */
.site-header{position:fixed;z-index:100;inset:0 auto 0 0;width:var(--rail-width);border-right:1px solid var(--line);background:var(--page)}
.nav{height:100%;width:100%;padding:42px 24px 36px 12px;display:flex;flex-direction:column;align-items:flex-end;justify-content:flex-start;gap:15px}
.brand{display:none}
.site-menu{display:flex;flex-direction:column;align-items:flex-end;gap:0}
.site-menu>a{padding:1px 0;color:var(--muted);font:italic 400 1rem/1.7 var(--font-display);text-transform:lowercase;transition:color .18s ease}
.site-menu>a:hover,.site-menu>a[aria-current="page"]{color:var(--heading)}
.site-menu>a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:4px}
.menu-toggle{display:none}
.theme-toggle{position:fixed;z-index:110;left:50px;bottom:28px;display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:var(--surface);color:var(--muted);font:italic 400 .78rem/1 var(--font-display);transition:color .18s,border-color .18s,background .18s}
.theme-toggle:hover{color:var(--heading);border-color:var(--line-strong);background:var(--surface-raised)}
main{flex:1;margin-left:var(--rail-width)}
body>.site-footer{margin-left:var(--rail-width)}
.translator-home,.explore-intro,.content-section,.history-section,.faq-section{position:relative}
.translator-home::before,.explore-intro::before,.content-section::before,.history-section::before,.faq-section::before{position:absolute;content:"";top:0;bottom:0;left:0;border-left:0 solid var(--line);pointer-events:none}
.translator-home-inner,.explore-intro .shell,.content-section .shell,.history-section .shell,.faq-section .shell,.site-footer .shell{width:min(780px,calc(100% - (var(--rail-content-gap) * 2)));margin-left:var(--rail-content-gap);margin-right:auto}

/* Translator */
.translator-home{min-height:100svh;padding:56px 0 96px;background:var(--page)}
.hero-overline,.overline{margin:0;color:var(--muted);font:500 .65rem/1.5 var(--font-body);letter-spacing:.08em;text-transform:lowercase}
.translator-home h1,.explore-intro h1{margin:16px 0 12px;color:var(--heading);font:400 clamp(2.45rem,4.2vw,3.2rem)/1.05 var(--font-display);letter-spacing:-.025em}
.translator-home h1 em,.explore-intro h1 em{font-style:italic;color:var(--heading)}
.home-intro{max-width:620px;margin:0 0 38px;color:var(--muted);font:400 1rem/1.7 var(--font-body)}
.translator-card{display:block;overflow:hidden;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none}
.input-panel,.output-panel{padding:26px 0 30px;background:transparent}
.output-panel{min-height:0;border-top:1px solid var(--line)}
.lang-tabs{display:flex;gap:18px;margin:0 0 21px;border-bottom:1px solid var(--line)}
.lang-tab{position:relative;padding:0 0 9px;border:0;background:transparent;color:var(--muted);font:400 .76rem/1.5 var(--font-body)}
.lang-tab.active{color:var(--heading)}
.lang-tab.active::after{position:absolute;right:0;bottom:-1px;left:0;height:1px;background:var(--accent);content:""}
.input-panel label{display:block;margin-bottom:8px;color:var(--muted);font-size:.68rem}
.input-panel textarea{display:block;width:100%;min-height:145px;resize:vertical;padding:14px;border:1px solid var(--line);border-radius:2px;background:var(--surface);color:var(--text);font:400 .88rem/1.7 var(--font-body);transition:border-color .2s}
.input-panel textarea::placeholder{color:var(--faint)}
.input-panel textarea:focus{outline:0;border-color:var(--line-strong)}
.input-panel textarea[dir="rtl"]{font-family:var(--font-arabic);font-size:1rem}
.input-meta{display:flex;justify-content:space-between;gap:12px;margin:8px 0 17px;color:var(--muted);font-size:.64rem}
.input-meta #char-count.is-warn{color:var(--text)}
.input-meta #char-count.is-limit{color:var(--heading)}
.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);border-radius:2px;padding:8px 13px;background:transparent;color:var(--text);font-size:.7rem;font-weight:400;transition:background .18s,color .18s,border-color .18s}
.button:hover{border-color:var(--text);background:var(--surface-raised);color:var(--heading)}
.translate-button{min-width:105px}
.output-panel .overline{color:var(--muted);font-size:.65rem}
.reverse-controls{display:flex;align-items:center;gap:6px;margin-top:18px;color:var(--muted);font-size:.65rem}
.reverse-controls[hidden]{display:none}
.reverse-choice{border:1px solid var(--line);border-radius:999px;padding:3px 9px;background:transparent;color:var(--muted);font-size:.62rem;transition:color .15s,border-color .15s,background .15s}
.reverse-choice:hover,.reverse-choice.active{border-color:var(--line-strong);background:var(--surface-raised);color:var(--heading)}
.reverse-mode .output-stage{justify-content:flex-start}
.reverse-mode .output-stage[dir="rtl"]{direction:rtl}
.reverse-mode .char-tifinagh{color:var(--text);font:400 1.45rem/1.3 var(--font-body)}
.reverse-mode .output-stage[lang="ar"] .char-tifinagh{font-family:var(--font-arabic);font-size:1.35rem}
.reverse-mode .char-roman{display:none}
.output-stage{display:flex;flex-wrap:wrap;align-content:flex-start;gap:10px;min-height:150px;padding:24px 0 18px;contain:layout style}
.char-unit{display:inline-flex;min-width:38px;flex-direction:column;align-items:center;opacity:0;transform:translateY(5px) scale(.84) rotate(-4deg);transform-origin:center bottom;transition:opacity .18s ease,transform .24s cubic-bezier(.2,.8,.2,1)}
.char-unit.visible{opacity:1;transform:translateY(0) scale(1) rotate(0)}
.char-tifinagh{color:var(--heading);font:400 clamp(2rem,5vw,2.7rem)/1 var(--font-tifinagh)}
.char-source{max-width:55px;overflow-wrap:anywhere;color:var(--muted);font-size:.64rem;line-height:1.4}
.char-roman{color:var(--faint);font:italic .68rem/1.3 var(--font-display)}
.char-space{min-width:18px;justify-content:center}
.char-space .char-tifinagh{color:var(--muted);font:400 .8rem/3.2 var(--font-body)}
.char-unknown .char-tifinagh{color:var(--muted);font:400 1rem/2.7 var(--font-body)}
.char-number .char-tifinagh{color:var(--heading);font:400 clamp(2rem,5vw,2.7rem)/1 var(--font-tifinagh)}
.char-symbol .char-tifinagh{color:var(--heading);font:400 clamp(2rem,5vw,2.7rem)/1 var(--font-tifinagh)}
.output-actions{display:flex;align-items:center;gap:10px;margin-top:4px}
.copy-button{border:1px solid var(--line-strong);border-radius:999px;padding:4px 10px;background:transparent;color:var(--muted);font-size:.64rem}
.copy-button:hover{background:var(--surface-raised);color:var(--heading)}
.copy-status{color:var(--muted);font-size:.65rem}
.disclaimer{max-width:560px;margin:17px 0 0;color:var(--muted);font-size:.68rem;line-height:1.65}

/* Alphabet, history, questions, and footer */
.explore-intro{padding:56px 0 54px;background:var(--page)}
.explore-intro h1{margin-bottom:14px}
.content-section,.history-section,.faq-section{padding:72px 0;background:var(--page)}
.content-section h2,.history-section h2,.faq-section h2{margin:12px 0 28px;color:var(--heading);font:400 clamp(1.55rem,3.2vw,2rem)/1.2 var(--font-display);letter-spacing:-.015em}
.alphabet-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.letter-card{position:relative;display:flex;min-height:88px;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:0;background:var(--page);color:var(--text);transition:background .18s ease}
.letter-card:hover{background:var(--surface-raised)}
.letter-tifinagh{color:var(--heading);font:400 1.9rem/1 var(--font-tifinagh)}
.letter-roman{color:var(--muted);font:italic .78rem/1.3 var(--font-display)}
.letter-arabic{display:none}
.history-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.history-columns{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.history-columns article{color:var(--muted);font-size:.8rem;line-height:1.85}
.history-columns p{margin:0 0 20px}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:38px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid>div{padding:16px 12px;border-right:1px solid var(--line)}
.stats-grid>div:last-child{border-right:0}
.stats-grid strong{display:block;color:var(--heading);font:400 1.7rem/1.1 var(--font-display)}
.stats-grid span{display:block;margin-top:8px;color:var(--muted);font-size:.62rem;line-height:1.55}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{position:relative;padding:17px 30px 17px 0;list-style:none;color:var(--text);font:400 1rem/1.5 var(--font-display);cursor:pointer}
summary::-webkit-details-marker{display:none}
summary::after{position:absolute;right:2px;content:"+";color:var(--muted);font:400 .9rem/1.5 var(--font-body)}
details[open] summary::after{content:"−"}
details p{max-width:700px;margin:0 0 20px;color:var(--muted);font-size:.78rem;line-height:1.8}
details a{color:var(--text);text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:3px}
.site-footer{flex-shrink:0;padding:44px 0 28px;border-top:1px solid var(--line);background:var(--page);color:var(--text)}
.footer-brand>div{color:var(--heading);font:400 1.8rem/1.25 var(--font-tifinagh)}
.footer-brand p{margin:8px 0 0;color:var(--muted);font-size:.68rem}
.footer-divider{width:62px;height:1px;margin:24px 0 18px;background:var(--line-strong)}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-links a,.footer-bottom{color:var(--muted);font-size:.67rem}
.footer-links a:hover{color:var(--heading)}
.footer-bottom{margin-top:36px}
.footer-bottom p{margin:0}

[data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .24s ease,transform .24s ease}
[data-reveal].revealed{opacity:1;transform:none}
@media (max-width:959px){
  .site-header{position:fixed;inset:0 0 auto;width:100%;height:54px;border-right:0;border-bottom:1px solid var(--line)}
  .nav{height:54px;padding:0 12px;align-items:center;justify-content:flex-start}
  .menu-toggle{display:none}
  .site-menu{position:static;z-index:auto;display:flex;flex-direction:row;align-items:center;justify-content:flex-start;gap:clamp(14px,4vw,28px);overflow-x:auto;width:100%;padding:0 62px 0 2px;background:transparent;transform:none;white-space:nowrap}
  .site-menu>a{font-size:.9rem}
  .theme-toggle{position:fixed;top:14px;right:12px;bottom:auto;left:auto;padding:5px 9px;font-size:.6rem}
  main,body>.site-footer{margin-left:0}
  .translator-home,.explore-intro{padding-top:88px}
  .translator-home-inner,.explore-intro .shell,.content-section .shell,.history-section .shell,.faq-section .shell,.site-footer .shell{width:calc(100% - 40px);margin-inline:20px}
  .translator-home::before,.explore-intro::before,.content-section::before,.history-section::before,.faq-section::before{display:none}
  .history-columns{grid-template-columns:1fr;gap:0}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-grid>div:nth-child(2){border-right:0}
  .stats-grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:480px){
  .translator-home{padding-top:68px}
  .explore-intro{padding-top:68px}
  .home-intro{margin-bottom:26px}
  .alphabet-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .input-meta{font-size:.59rem}
  .content-section,.history-section,.faq-section{padding-block:54px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}