.app-shell{display:flex;flex-direction:column;min-height:100vh;overflow-x:clip}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:100;height:56px;background:var(--bg)}.site-header__inner{max-width:960px;margin-inline:auto;padding-inline:26px;height:100%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--rule)}@media (max-width:600px){.site-header{border-bottom:1px solid var(--rule)}.site-header__inner{border-bottom:none;padding-inline:16px}}.site-header__logo{display:flex;align-items:center;flex-shrink:0;text-decoration:none}.site-header__right{display:flex;align-items:center;gap:var(--app-spacing-md)}.site-header__nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}.site-header__link{color:var(--ink-muted);text-decoration:none;font-size:var(--app-font-size-sm);padding:4px 8px;border-radius:var(--app-border-radius);transition:color .2s}.site-header__link--active,.site-header__link:hover{color:var(--ink)}.site-header__theme-toggle{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--rule);border-radius:var(--app-border-radius);background:transparent;color:var(--ink-muted);cursor:pointer;transition:color .2s,border-color .2s;flex-shrink:0}.site-header__theme-toggle:hover{color:var(--ink);border-color:var(--ink-muted)}.app-main{flex:1 1;padding:var(--app-spacing-lg)}.site-footer{border-top:1px solid var(--rule)}.site-footer__inner{max-width:960px;margin-inline:auto;padding-inline:26px;padding-block:20px;display:flex;align-items:center;justify-content:space-between;gap:var(--app-spacing-lg)}.site-footer__copy{color:var(--ink-muted);font-size:12.5px}.site-footer__right{display:flex;align-items:center;gap:16px}.site-footer__social{display:flex;align-items:center;gap:4px}.site-footer__social-link{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:var(--app-border-radius);color:var(--ink-muted);text-decoration:none;transition:color .15s}.site-footer__social-link:hover{color:var(--ink)}.site-footer__divider{display:block;width:1px;height:16px;background:var(--rule);flex-shrink:0}.lang-switcher-select{display:none}.lang-switcher,.lang-switcher__item{display:flex;align-items:center;gap:2px}.lang-switcher__sep{color:var(--rule);font-size:11px;-webkit-user-select:none;-moz-user-select:none;user-select:none;padding-inline:1px}.lang-switcher__btn{font-family:ui-monospace,SF Mono,Fira Mono,monospace;font-size:11px;letter-spacing:.06em;color:var(--ink-muted);background:none;border:none;padding:3px 5px;cursor:pointer;line-height:1;border-radius:3px;transition:color .15s}.lang-switcher__btn--active,.lang-switcher__btn:hover{color:var(--ink)}@media (max-width:600px){.site-footer__inner{flex-direction:column-reverse;align-items:flex-start;gap:14px;padding-inline:16px;padding-block:20px}.site-footer__right{width:100%;justify-content:space-between}.site-footer__copy{-webkit-padding-after:4px;padding-block-end:4px}.lang-switcher{display:none}.lang-switcher-select{display:block;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:1px solid var(--rule);border-radius:var(--app-border-radius);color:var(--ink-muted);font-family:ui-monospace,SF Mono,Fira Mono,monospace;font-size:11px;letter-spacing:.06em;padding:4px 8px;cursor:pointer}}*,:after,:before{box-sizing:border-box}:root{--app-font-size-sm:14px;--app-font-size-md:16px;--app-spacing-sm:8px;--app-spacing-md:16px;--app-spacing-lg:24px;--app-shadow-sm:0 2px 4px rgba(0,0,0,.08);--app-border-radius:8px;--color-bg:#fff;--color-text:#1a1a2e;--color-text-muted:#6c757d;--color-border:#e9ecef;--color-hover:#f1f3f5;--color-active:#e8f4fd;--color-primary:#0d6efd;--color-primary-hover:#0b5ed7;--color-error:#dc3545;--color-success:#198754;--kinari:#ede6d8;--hojicha:#2a211c;--sumi:#181310;--amber:#b4801e;--sencha:#5f7a55;--jiki:#9ba7a4;--bg:var(--kinari);--bg-raised:#f5f0e6;--ink:var(--hojicha);--ink-muted:#6b6058;--rule:rgba(42,33,28,.14);--accent:var(--amber);color-scheme:light}[data-theme=dark]{--color-bg:#0d1117;--color-text:#e6edf3;--color-text-muted:#8b949e;--color-border:#30363d;--color-hover:#21262d;--color-active:#1f3a5f;--color-primary:#58a6ff;--color-primary-hover:#79baff;--color-error:#f85149;--color-success:#3fb950;--bg:var(--sumi);--bg-raised:var(--hojicha);--ink:var(--kinari);--ink-muted:var(--jiki);--rule:hsla(40,37%,89%,.14);--accent:var(--amber);color-scheme:dark}body,html{margin:0;padding:0;overflow-x:clip;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:var(--app-font-size-md);color:var(--ink);background:var(--bg);line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-display,serif);line-height:1.2}:lang(ar){line-height:1.8}:lang(ar),:lang(ar) h1,:lang(ar) h2,:lang(ar) h3,:lang(ar) h4,:lang(ar) h5,:lang(ar) h6{font-family:var(--font-arabic,sans-serif)}a{color:inherit}button{font-family:inherit}:focus:not(:focus-visible){outline:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}