/* ===== Post reading experience ===== */
.progress{position:fixed;inset:0 0 auto;height:3px;z-index:60;pointer-events:none}
.progress span{display:block;height:100%;transform-origin:0 50%;transform:scaleX(var(--p,0));background:linear-gradient(90deg,var(--blue),var(--green-2))}
.post{--measure:720px;--wide:1080px;padding-bottom:2rem}
.post-head,.prose,.post-foot{width:min(100% - 2.5rem,var(--measure));margin-inline:auto}
.post-head{padding:clamp(2rem,5vw,4rem) 0 1.5rem}
.post-head h1{font-size:clamp(2rem,1.2rem + 3vw,3.3rem);letter-spacing:-.025em;line-height:1.08;margin:.4rem 0 1.1rem}
.byline{display:flex;align-items:center;gap:.7rem;color:var(--muted);font-size:.95rem;margin:0}
.byline img{border-radius:50%;width:40px;height:40px;object-fit:cover}
.byline a{color:var(--ink);font-weight:600;text-decoration:none}
.post-cover{width:min(100% - 2.5rem,var(--wide));margin:0 auto 2.5rem;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:21/9;background:var(--surface-2)}
.post-cover img{width:100%;height:100%;object-fit:cover}

/* Prose */
.prose{font-size:1.125rem;line-height:1.75;color:var(--ink)}
.prose::after{content:"";display:table;clear:both}
.prose p{margin:0 0 1.25em}
.prose h2{font-size:clamp(1.55rem,1.2rem + 1.2vw,2.05rem);margin:2.4em 0 .7em;scroll-margin-top:90px;clear:both}
.prose h3{font-size:1.35rem;margin:2em 0 .6em;scroll-margin-top:90px}
.prose a{color:var(--blue);text-decoration-color:color-mix(in srgb,var(--blue) 40%,transparent)}
.prose a:hover{text-decoration-color:currentColor}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.3em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--blue)}
.prose strong,.prose b{font-weight:700}
.prose hr{border:0;height:1px;background:var(--line-2);margin:3rem 0}
.prose code{font-family:var(--f-mono);font-size:.86em;padding:.12em .4em;border-radius:6px;background:var(--surface-2);border:1px solid var(--line)}
.prose blockquote.pull{margin:2rem 0;padding:.2rem 0 .2rem 1.4rem;border-left:4px solid var(--green-2);font-family:var(--f-serif);font-size:1.3rem;line-height:1.5;font-style:italic;color:var(--ink-2)}
.prose blockquote.pull p:last-child{margin:0}
.prose ol.steps{list-style:none;counter-reset:s;padding:0}
.prose ol.steps>li{counter-increment:s;position:relative;padding:1rem 1.1rem 1rem 3.6rem;margin:.75rem 0;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.prose ol.steps>li::before{content:counter(s);position:absolute;left:1rem;top:1rem;width:1.8rem;height:1.8rem;border-radius:50%;display:grid;place-items:center;font-family:var(--f-mono);font-size:.85rem;background:var(--blue);color:#fff}
[data-theme="dark"] .prose ol.steps>li::before{color:#07101f}

/* TOC */
.toc{margin:0 0 2.5rem;padding:1rem 1.25rem;border:1px solid var(--line);border-radius:16px;background:var(--surface);font-size:.98rem}
.toc summary{cursor:pointer;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.toc summary .mono{font-size:.72rem;color:var(--muted);font-weight:500;text-transform:uppercase;letter-spacing:.06em}
.toc ol{list-style:none;padding:0;margin:.75rem 0 0;counter-reset:t;display:grid;gap:.15rem}
.toc li{margin:0}
.toc a{display:block;padding:.3rem .5rem;border-radius:8px;text-decoration:none;color:var(--ink-2);line-height:1.4}
.toc a:hover,.toc a.is-active{background:var(--surface-2);color:var(--blue)}
.toc .toc-h2>a::before{counter-increment:t;content:counter(t,decimal-leading-zero) "  ";font-family:var(--f-mono);font-size:.75rem;color:var(--muted)}
.toc .toc-h3 a{padding-left:2.2rem;font-size:.92rem}

/* ===== Screenshots ===== */
.shot{--frame:var(--surface);margin:2.25rem 0;display:flex;flex-direction:column;align-items:center;clear:both}
.shot-frame{position:relative;display:block;max-width:100%;padding-top:26px;border-radius:12px;background:var(--frame);border:1px solid var(--line-2);
  box-shadow:0 1px 2px rgba(13,23,38,.06),0 22px 44px -22px rgba(13,23,38,.38);overflow:hidden;cursor:zoom-in;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s}
/* window chrome: three dots in the title bar */
.shot-frame::before{content:"";position:absolute;left:12px;top:9px;width:42px;height:8px;
  background:radial-gradient(circle 4px at 4px 4px,#ff6159 98%,transparent) 0 0/14px 8px no-repeat,radial-gradient(circle 4px at 4px 4px,#ffbd2e 98%,transparent) 14px 0/14px 8px no-repeat,radial-gradient(circle 4px at 4px 4px,#28c840 98%,transparent) 28px 0/14px 8px no-repeat;opacity:.85}
.shot-frame img{width:100%;height:auto;border-top:1px solid var(--line)}
.shot-frame:hover{transform:translateY(-2px);box-shadow:0 1px 2px rgba(13,23,38,.06),0 30px 60px -24px rgba(13,23,38,.45)}
.shot-frame:focus-visible{outline-offset:4px}
[data-theme="dark"] .shot{--frame:#1a2438}
[data-theme="dark"] .shot-frame{box-shadow:0 0 0 1px rgba(255,255,255,.04),0 22px 44px -22px rgba(0,0,0,.8)}
.shot figcaption{margin-top:.8rem;max-width:60ch;text-align:center;font-size:.88rem;line-height:1.5;color:var(--muted)}
/* small crops: natural size, never upscaled, centred */
.shot--small .shot-frame{width:min(var(--nw) + 2px,100%)}
/* window/page captures: up to text width */
.shot--medium .shot-frame,.shot--tall .shot-frame{width:min(var(--nw) + 2px,100%)}
/* full-screen captures: break out of the text column */
.shot--wide{width:min(var(--nw) + 2px,var(--wide),100vw - 2.5rem);margin-left:50%;transform:translateX(-50%)}
.shot--wide .shot-frame{width:100%}
/* very tall captures: capped with fade + expand */
.shot--tall .shot-frame{max-height:560px}
.shot--tall .shot-frame::after{content:"";position:absolute;left:0;right:0;bottom:0;height:140px;background:linear-gradient(transparent,var(--frame));pointer-events:none;transition:opacity .3s}
.shot--tall.is-open .shot-frame{max-height:none}
.shot--tall.is-open .shot-frame::after{opacity:0}
.shot-expand{position:relative;z-index:2;margin-top:-1.4rem;font:inherit;font-size:.86rem;font-weight:600;padding:.5rem 1rem;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);box-shadow:var(--shadow);cursor:pointer}
.shot--tall.is-open .shot-expand{margin-top:.8rem}
/* floated illustrations (WordPress alignright/alignleft) */
.shot--float{float:right;clear:right;width:min(300px,42%);margin:.35rem 0 1.25rem 2rem;align-items:stretch}
.shot--float .shot-frame{padding-top:0;border-radius:16px;border:0}
.shot--float .shot-frame::before{display:none}
.shot--float .shot-frame img{border:0}

/* ===== Code, tables, callouts ===== */
.code{margin:2rem 0;border-radius:14px;overflow:hidden;background:#0b1322;border:1px solid #1c2840;box-shadow:var(--shadow)}
.code-bar{display:flex;justify-content:space-between;align-items:center;padding:.45rem .6rem .45rem 1rem;background:#111b30;border-bottom:1px solid #1c2840;font-family:var(--f-mono);font-size:.72rem;color:#97a1b2;letter-spacing:.08em}
.code-bar .copy{font:inherit;color:#c3cad6;background:transparent;border:1px solid #2a3756;border-radius:8px;padding:.25rem .6rem;cursor:pointer}
.code-bar .copy:hover{border-color:#4b5b80;color:#fff}
.code pre{margin:0;padding:1.1rem 1.2rem;overflow:auto;font-family:var(--f-mono);font-size:.88rem;line-height:1.65;color:#dbe3f0;tab-size:4}
.code pre code{background:none;border:0;padding:0;font-size:inherit}
.code .k{color:#7aa8ff;font-weight:500} .code .s{color:#9be9a8} .code .c{color:#7d8aa5;font-style:italic} .code .n{color:#f7b267} .code .v{color:#e6a8ff}
.table-wrap{margin:2rem 0;overflow-x:auto;border:1px solid var(--line-2);border-radius:14px;background:var(--surface)}
.table-wrap--wide{width:min(var(--wide),100vw - 2.5rem);margin-left:50%;transform:translateX(-50%)}
.table-wrap:focus-visible{outline-offset:2px}
.table-wrap table{width:100%;border-collapse:collapse;font-size:.92rem;line-height:1.45}
.table-wrap th{text-align:left;font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--surface-2);padding:.75rem .9rem;border-bottom:1px solid var(--line-2);white-space:nowrap}
.table-wrap td{padding:.65rem .9rem;border-bottom:1px solid var(--line);vertical-align:top}
.table-wrap tr:last-child td{border-bottom:0}
.table-wrap tbody tr:nth-child(even){background:color-mix(in srgb,var(--surface-2) 45%,transparent)}
.table-wrap td.num{text-align:right;font-family:var(--f-mono);font-size:.86rem;white-space:nowrap}
.callout{--c:var(--blue);position:relative;margin:2rem 0;padding:1rem 1.2rem 1rem 3.2rem;border-radius:14px;background:color-mix(in srgb,var(--c) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--c) 30%,transparent);font-size:1.02rem}
.callout::before{position:absolute;left:1rem;top:1rem;width:1.5rem;height:1.5rem;border-radius:50%;display:grid;place-items:center;font-size:.85rem;font-weight:800;color:#fff;background:var(--c)}
.callout p:last-child{margin:0}
.callout strong:first-child{color:color-mix(in srgb,var(--c) 75%,var(--ink))}
.callout--tip{--c:#0fae4a}.callout--tip::before{content:"✦"}
.callout--warn{--c:#d9480f}.callout--warn::before{content:"!"}
.callout--key{--c:#0b4fb0}.callout--key::before{content:"★"}
.callout--check{--c:#7048e8}.callout--check::before{content:"✓"}
.callout--note{--c:#5d6878}.callout--note::before{content:"i";font-family:var(--f-serif);font-style:italic}
[data-theme="dark"] .callout--key{--c:#7aa8ff}[data-theme="dark"] .callout--note{--c:#97a1b2}[data-theme="dark"] .callout--warn{--c:#ff8a5c}[data-theme="dark"] .callout--check{--c:#a48bff}[data-theme="dark"] .callout--tip{--c:#3ddc84}
[data-theme="dark"] .callout::before{color:#0a1120}

/* ===== Post footer ===== */
.post-foot{padding-top:2rem;clear:both}
.post-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.post-tags a{font-size:.85rem;text-decoration:none;padding:.3rem .7rem;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2)}
.post-tags a:hover{border-color:var(--blue);color:var(--blue)}
.author-box{display:grid;grid-template-columns:72px 1fr;gap:1.1rem;align-items:center;padding:1.25rem;border-radius:18px;background:var(--surface);border:1px solid var(--line)}
.author-box img{border-radius:50%;width:72px;height:72px;object-fit:cover}
.author-box p{margin:0;color:var(--muted);font-size:.95rem}
.author-box .author-name{color:var(--ink);font-weight:700;font-size:1.05rem}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2rem 0}
.post-nav a{display:flex;flex-direction:column;gap:.35rem;padding:1rem 1.15rem;border-radius:16px;border:1px solid var(--line);background:var(--surface);text-decoration:none;font-weight:600;line-height:1.35;transition:border-color .2s,transform .2s}
.post-nav a:hover{border-color:var(--blue);transform:translateY(-2px)}
.post-nav span{font-family:var(--f-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:500}
.post-nav .next{text-align:right}
.comments{padding:1.25rem;border-radius:18px;border:1px dashed var(--line-2)}
.comments h2{font-size:1.3rem}
.comments p{margin:0;color:var(--muted)}
.prose--page{width:auto;max-width:760px}

/* ===== Lightbox ===== */
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(5,9,18,.92);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s}
.lightbox.show{opacity:1}
.lightbox[hidden]{display:none}
.lb-stage{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:56px 72px;overflow:auto;touch-action:pan-x pan-y pinch-zoom}
.lb-stage img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:8px;box-shadow:0 30px 80px -20px rgba(0,0,0,.8);background:#fff;transform:scale(.97);transition:transform .25s cubic-bezier(.2,.8,.2,1);cursor:zoom-in;user-select:none}
.lightbox.show .lb-stage img{transform:none}
.lightbox.is-actual .lb-stage{align-items:flex-start;justify-content:flex-start}
.lightbox.is-actual .lb-stage img{max-width:none;max-height:none;margin:auto;cursor:zoom-out}
.lb-btn{position:absolute;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.2);background:rgba(20,28,46,.8);color:#fff;font-size:1.1rem;cursor:pointer;display:grid;place-items:center;transition:background .2s}
.lb-btn:hover{background:rgba(47,111,224,.7)}
.lb-close{top:14px;right:14px}
.lb-zoom{top:14px;right:70px;font-family:var(--f-mono);font-size:.78rem}
.lb-prev{left:14px;top:50%;translate:0 -50%}
.lb-next{right:14px;top:50%;translate:0 -50%}
.lb-count{position:absolute;left:50%;bottom:14px;translate:-50% 0;margin:0;color:#c3cad6;font-size:.8rem;background:rgba(20,28,46,.8);padding:.3rem .7rem;border-radius:999px}
.lb-single .lb-prev,.lb-single .lb-next,.lb-single .lb-count{display:none}
html.lb-open{overflow:hidden}

/* ===== Mobile ===== */
@media (max-width:760px){
  .post-head,.prose,.post-foot{width:min(100% - 2rem,var(--measure))}
  .prose{font-size:1.06rem;line-height:1.7}
  .post-cover{width:100%;border-radius:0;aspect-ratio:16/9;margin-bottom:1.75rem}
  /* full-screen captures go edge to edge; pinch-zoom stays enabled */
  .shot--wide{width:100vw;margin-left:50%;transform:translateX(-50%)}
  .shot--wide .shot-frame{border-radius:0;border-inline:0;padding-top:0}
  .shot--wide .shot-frame::before{display:none}
  .shot--wide figcaption{padding-inline:1rem}
  .shot--medium .shot-frame,.shot--small .shot-frame{padding-top:20px}
  .shot-frame::before{top:6px;transform:scale(.8);transform-origin:left top}
  .shot--tall .shot-frame{max-height:420px}
  .shot--float{width:44%;margin-left:1rem}
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{text-align:left}
  .lb-stage{padding:56px 8px}
  .lb-prev,.lb-next{top:auto;bottom:10px;translate:none}
  .table-wrap,.table-wrap--wide{margin-inline:-1rem;border-radius:0;border-inline:0;width:auto;transform:none}
}
@media (max-width:420px){.shot--float{float:none;width:70%;margin:1.5rem auto}}
.prose .video{margin:2rem 0;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#0d1726;box-shadow:var(--shadow)}
.prose .video iframe{width:100%;height:100%;border:0;display:block}