/* Shared stylesheet for /blog/ (index + every post). Page-specific rules stay inline in each page.
   Color roles match the app and the homepage: purple = conversation + main action,
   yellow highlighter = the text a comment is about, ink = tools, green = done. */
/* ============================================================ FONTS (absolute paths) */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/inter-400.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/inter-500.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/inter-600.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/inter-700.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/inter-800.woff2) format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/jetbrains-mono-400.woff2) format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/jetbrains-mono-600.woff2) format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/jetbrains-mono-700.woff2) format('woff2')}
/* ============================================================ TOKENS */
:root{
  --radius:.875rem;
  --background:#fbfbf9; --foreground:#211c27;
  --card:#ffffff; --card-2:#f4f3f0;
  --muted:#f4f3f0; --muted-foreground:#57525e; --tertiary:#6e6975;
  --primary:#6d3bd1; --primary-hover:#5527b5; --primary-press:#4a22a0; --primary-foreground:#fff;
  --link:#5527b5; --link-hover:#43179a;
  --secondary:#f0efec; --secondary-foreground:#3a3542;
  --accent:#f1ecfb; --accent-foreground:#5527b5;
  --border:#e6e4e0; --border-strong:#d8d5d0; --input:#dcd9d4; --ring:#6d3bd1;
  --ml-from:#6d3bd1; --ml-to:#4a22a0;
  --hl-bg:rgba(255,196,0,.26); --hl-line:#d9a400;
  --st-closed:#2f8f63; --st-closed-bg:#e6f4ec;
  --st-progress:#a9761d; --st-progress-bg:#f8efd9;
  --st-open:#c1502f; --st-open-bg:#f9e7df;
  --code-bg:#17121f; --code-fg:#e7e4f3; --code-dim:#8a8396; --code-line:#211a2c;
  --shadow-sm:0 1px 2px rgba(26,21,33,.05);
  --shadow-card:0 1px 2px rgba(26,21,33,.04), 0 18px 40px -24px rgba(26,21,33,.18);
  --shadow-lift:0 2px 4px rgba(26,21,33,.05), 0 34px 60px -28px rgba(26,21,33,.30);
  --shadow-btn:0 8px 20px -8px rgba(109,59,209,.55);
  --glow:rgba(109,59,209,.12);
  --grid-line:rgba(109,59,209,.05);
  --font-sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --font-serif:'Newsreader',Georgia,serif;
  --maxw:1120px;
  --panel:#f4f3f0; --panel-line:#d8d5d0; --faint:#65616b;
}
[data-theme="dark"]{
  --background:#121014; --foreground:#e2dfe6;
  --card:#1b1920; --card-2:#17151b;
  --muted:#17151b; --muted-foreground:#a6a1ad; --tertiary:#8d8894;
  --primary:#7c45e0; --primary-hover:#6a37d6; --primary-press:#5527b5; --primary-foreground:#fff;
  --link:#b89bf5; --link-hover:#d8c9f5;
  --secondary:#221f27; --secondary-foreground:#d4d0da;
  --accent:#241d3a; --accent-foreground:#b89bf5;
  --border:#2a2730; --border-strong:#37333d; --input:#2f2b35; --ring:#8b5cf0;
  --panel:#17151b; --panel-line:#37333d; --faint:#8d8894;
  --ml-from:#8b5cf0; --ml-to:#5527b5;
  --hl-bg:rgba(255,196,0,.22); --hl-line:#d9a400;
  --st-closed:#5fcf9b; --st-closed-bg:rgba(47,143,99,.16);
  --st-progress:#e3b25f; --st-progress-bg:rgba(169,118,29,.18);
  --st-open:#e8835f; --st-open-bg:rgba(193,80,47,.18);
  --code-bg:#0e0b12; --code-fg:#e7e4f3; --code-dim:#6f6880; --code-line:#1a1522;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-card:0 1px 2px rgba(0,0,0,.4), 0 22px 50px -28px rgba(0,0,0,.7);
  --shadow-lift:0 2px 6px rgba(0,0,0,.5), 0 40px 70px -30px rgba(0,0,0,.8);
  --shadow-btn:0 10px 26px -10px rgba(124,69,224,.6);
  --glow:rgba(124,69,224,.22);
  --grid-line:rgba(139,92,240,.06);
}

/* ============================================================ BASE */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);background:var(--background);color:var(--foreground);
  line-height:1.55;font-size:16px;letter-spacing:-0.01em;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;transition:background .4s ease,color .4s ease;
}
::selection{background:rgba(255,196,0,.32);color:var(--foreground)}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* type */
h1,h2,h3{letter-spacing:-0.035em;line-height:1.09;font-weight:600}
.lede{font-size:1.12rem;color:var(--muted-foreground);max-width:46ch;line-height:1.6}

/* buttons (same as homepage) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:41px;padding:0 21px;border-radius:999px;
  font-family:var(--font-sans);font-size:14.5px;font-weight:500;line-height:1;letter-spacing:normal;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,box-shadow .15s}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 10px 30px -12px rgba(30,28,50,.18)}
.btn-quiet{background:var(--card);color:var(--foreground);border-color:var(--panel-line)}
.btn-quiet:hover{border-color:var(--faint)}
.btn-sm{height:34px;padding:0 16px;font-size:13.5px}
.arr{font-weight:400}

/* ============================================================ NAV (same as homepage) */
.nav{position:sticky;top:0;z-index:50;background:transparent;border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.nav.scrolled{background:color-mix(in srgb,var(--background) 82%,transparent);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom-color:var(--border)}
.nav-in{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center}
.brand img{height:36px;width:auto;display:block;transition:height .3s ease}
.nav.scrolled .brand img{height:27px}
.brand{flex-shrink:0}
@media(max-width:420px){.nav-in{height:60px;gap:8px}.nav-cta{gap:5px}.brand img{height:26px}.nav.scrolled .brand img{height:23px}}
@media(max-width:360px){.nav .container{padding:0 16px}.nav-cta #theme{display:none}}
@media (prefers-reduced-motion:reduce){.brand img,.nav{transition:none}}
[data-theme="dark"] .brand img,[data-theme="dark"] .foot-brand img{filter:brightness(0) invert(1)}
.nav-links{display:flex;gap:22px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--muted-foreground);transition:color .15s}
.nav-links a:hover{color:var(--foreground)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-login{font-size:14px;color:var(--muted-foreground)}
.nav-login:hover{color:var(--foreground)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:33px;height:33px;border-radius:999px;border:1px solid var(--panel-line);background:var(--card);color:var(--muted-foreground);cursor:pointer}
.icon-btn:hover{color:var(--foreground)}
.icon-btn svg{width:16px;height:16px}
.i-moon{display:none}
[data-theme="dark"] .i-sun{display:none}
[data-theme="dark"] .i-moon{display:block}
.burger{display:none}
.burger .i-x{display:none}
.nav.menu-open .burger .i-bars{display:none}
.nav.menu-open .burger .i-x{display:block}
@media(max-width:840px){.nav-links,.nav-login{display:none}.nav-cta{margin-left:auto}.burger{display:inline-flex}}
.mmenu{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;z-index:49;background:var(--background);padding:10px 28px 28px;overflow:auto}
.mmenu.open{display:block}
.mmenu a.mlink{display:flex;align-items:center;justify-content:space-between;padding:15px 2px;font-size:16px;font-weight:500;color:var(--foreground);border-bottom:1px solid var(--border)}
.mmenu a.mlink span{color:var(--faint);font-weight:400}
.mmenu-cta{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.mmenu-cta .btn{width:100%;justify-content:center}

/* ============================================================ FOOTER (same as homepage) */
footer{border-top:1px solid var(--border);padding:44px 0 52px;margin-top:20px}
.foot-grid{display:flex;flex-wrap:wrap;gap:36px 64px}
.foot-brand img{height:40px;width:auto;display:block}
.foot-brand p{font-size:13px;color:var(--muted-foreground);margin-top:12px;max-width:230px}
.foot-col{display:flex;flex-direction:column;gap:8px;font-size:13.5px}
.foot-col h4{font-size:12px;font-weight:600;color:var(--faint);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.foot-col a{color:var(--muted-foreground)}
.foot-col a:hover{color:var(--foreground)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:44px;font-size:12.5px;color:var(--faint)}
.built-with{display:inline-flex;align-items:center;gap:.35em;font-size:12.5px;color:var(--muted-foreground);padding:6px 12px;border:1px solid var(--border);border-radius:999px;transition:color .2s,border-color .2s}
.built-with strong{font-weight:600;color:var(--foreground)}
.built-with:hover{color:var(--foreground);border-color:var(--foreground)}

/* ============================================================ POST */
.post-main{padding:48px 0 84px}
.post{max-width:780px;margin:0 auto;font-size:1.02rem;line-height:1.65}
.post .post-back{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--muted-foreground);text-decoration:none;margin-bottom:1.7rem;transition:color .2s}
.post .post-back:hover{color:var(--link)}
.post h1{font-size:clamp(1.95rem,4.6vw,2.55rem);letter-spacing:-0.035em;line-height:1.14;margin:0 0 .9rem}
.post .byline{display:block;color:var(--muted-foreground);font-size:.9rem;line-height:1.6;margin-bottom:1.6rem}
.post h2{font-size:1.5rem;font-weight:800;letter-spacing:-0.025em;line-height:1.22;margin:2.6rem 0 .8rem}
.post h3{font-size:1.08rem;font-weight:700;margin:1.6rem 0 .5rem}
.post h2,.post h3{scroll-margin-top:96px}
.post p{margin:0 0 1rem}
.post ul,.post ol{margin:0 0 1.1rem 1.35rem}
.post li{margin:.35rem 0}
.post li::marker{color:var(--primary)}
.post a{color:var(--link);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
.post a:hover{color:var(--link-hover)}
.post b,.post strong{font-weight:700}
.post code{font-family:var(--font-mono);font-size:.85em;background:var(--secondary);border:1px solid var(--border);border-radius:6px;padding:.12em .4em}
.post pre{font-family:var(--font-mono);font-size:.85rem;line-height:1.6;background:var(--secondary);border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto;margin:0 0 1rem}
.post pre code{background:none;border:0;padding:0}
.post code{overflow-wrap:anywhere}
.post .answer{background:var(--card);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:0 12px 12px 0;padding:18px 22px;margin:22px 0;box-shadow:var(--shadow-sm)}
.post .answer p{margin:0}
.post .setup-note{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px 16px;font-size:.95rem}
.post blockquote{border-left:3px solid var(--primary);background:var(--card-2);margin:0 0 1.2rem;padding:1rem 1.25rem;border-radius:.6rem;color:var(--muted-foreground);font-style:italic}
.post .table-wrap{overflow-x:auto;margin:16px 0;-webkit-overflow-scrolling:touch}
.post table{border-collapse:collapse;width:100%;min-width:560px;font-size:.9rem;margin:0}
.post th,.post td{border:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}
.post th{background:var(--secondary);font-weight:700}
.post .yes{color:var(--st-closed);font-weight:700}
.post .no{color:var(--tertiary)}
.post figure{margin:28px 0}
.post figure.real svg{width:100%;height:auto;border:1px solid var(--border);border-radius:12px;background:#fcfcfb}
.post figure.real figcaption{margin-top:10px;text-align:center;font-size:.82rem;color:var(--muted-foreground)}
.post .cta{text-align:center;background:var(--panel);border:1px solid var(--border);border-radius:18px;
  padding:clamp(30px,5vw,48px) clamp(20px,4vw,44px);margin:48px 0 10px}
.post .cta .cta-head{font-size:clamp(1.3rem,3vw,1.6rem);font-weight:600;letter-spacing:-.025em;line-height:1.25;color:var(--foreground);margin:0 auto;max-width:30ch}
.post .cta .cta-head b{font-weight:600}
.post .cta .cta-sub{color:var(--muted-foreground);font-size:1rem;line-height:1.65;max-width:52ch;margin:14px auto 0}
.post .cta .cta-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
.post .cta a.btn{text-decoration:none}
.post .cta a.btn-primary,.post .cta a.btn-primary:hover{color:#fff}
.post .cta a.btn-quiet,.post .cta a.btn-quiet:hover{color:var(--foreground)}
.post .cta .cta-micro{margin:14px 0 0;font-size:13px;color:var(--faint)}
@media(max-width:560px){.post .cta .btn{white-space:normal;height:auto;min-height:41px;padding:10px 20px;line-height:1.3}}
.post .faq details{border-bottom:1px solid var(--border);padding:10px 0}
.post .faq summary{font-weight:600;cursor:pointer;padding:8px 0;font-size:1.02rem}
.post .faq summary:hover{color:var(--link)}
.post .faq summary::marker{color:var(--primary)}
.post .faq p{color:var(--muted-foreground);padding:4px 0 10px;margin:0}

/* ============================================================ FIGURE ZOOM */
.post figure.real{position:relative}
.post figure.real>svg,.post figure.real>img{cursor:zoom-in;transition:box-shadow .2s ease}
.post figure.real:hover>svg,.post figure.real:hover>img{box-shadow:0 10px 30px -14px rgba(30,28,50,.28)}
.post figure.real:focus-visible{outline:2px solid var(--primary);outline-offset:4px;border-radius:12px}
.zoom-hint{position:absolute;right:10px;top:10px;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1;color:#3a3947;background:rgba(255,255,255,.94);border:1px solid #e6e4dc;border-radius:999px;padding:6px 10px;pointer-events:none;opacity:0;transition:opacity .2s ease;box-shadow:0 2px 8px rgba(30,28,50,.08)}
.post figure.real .zoom-hint svg{width:13px;height:13px;flex:none;border:0;border-radius:0;background:none;box-shadow:none}
.post figure.real:hover .zoom-hint,.post figure.real:focus-visible .zoom-hint{opacity:1}
@media (hover:none){.zoom-hint{opacity:1}}
.zoom-ov{position:fixed;inset:0;z-index:200;display:none}
.zoom-ov.open{display:block}
.zoom-bg{position:absolute;inset:0;background:rgba(19,18,24,.74);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;animation:zoomFade .28s ease forwards}
.zoom-ov.closing .zoom-bg{animation:zoomFadeOut .28s ease forwards}
.zoom-stage{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 24px;overflow:auto;box-sizing:border-box}
.zoom-ov.narrow .zoom-stage{justify-content:flex-start;align-items:flex-start;padding:64px 12px 28px}
.zoom-box>svg,.zoom-box>img{display:block;max-width:none;border-radius:12px;background:#fcfcfb;box-shadow:0 30px 80px -20px rgba(0,0,0,.55)}
.zoom-ov.narrow .zoom-box{animation:zoomPop .26s cubic-bezier(.2,.8,.2,1) forwards}
.zoom-cap{color:#eceaf3;font-size:14px;line-height:1.5;text-align:center;max-width:720px;margin:14px auto 0;opacity:0;animation:zoomFade .3s .12s ease forwards}
.zoom-ov.closing .zoom-cap{animation:zoomFadeOut .15s ease forwards}
.zoom-x{position:fixed;top:14px;right:14px;z-index:2;width:42px;height:42px;border-radius:999px;border:0;background:rgba(255,255,255,.16);color:#fff;font-size:18px;line-height:1;cursor:pointer}
.zoom-x:hover{background:rgba(255,255,255,.28)}
.zoom-x:focus-visible{outline:2px solid #fff;outline-offset:2px}
@keyframes zoomFade{to{opacity:1}}
@keyframes zoomFadeOut{from{opacity:1}to{opacity:0}}
@keyframes zoomPop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.zoom-bg,.zoom-cap,.zoom-ov.narrow .zoom-box{animation-duration:.01s}}