/* alan.fung: a portfolio drawn as the control flow of a program. The hero is spectro.js, the tiles are sims.js. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
/* the intro at / and this page cross-fade into each other where the browser can, and a project's
   name on the intro carries over into its case study's title */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .4s; }
::view-transition-group(pname) { animation-duration: .6s; animation-timing-function: cubic-bezier(.3, 0, .2, 1); }
#case-title { view-transition-name: pname; }

:root {
  --acc: #c8ff4a;
  --acc-ink: var(--acc);
  --on-acc: #0b0c08;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-io: cubic-bezier(.76, 0, .24, 1);
  --nav-h: 64px;
  --gx: clamp(22px, 4.6vw, 76px);
  --gap: clamp(30px, 4vw, 64px);
  --pr: clamp(20px, 6vw, 120px);
  --ed-w: clamp(360px, 38vw, 600px);
}

/* ---------- themes (config.theme) ---------- */
:root, [data-theme="midnight"] {
  --bg: #09090b; --bg2: #111114; --bg3: #18181d;
  --fg: #f1efe9; --fg2: #b7b6b0; --mute: #7c7c83; --dim: #45454c;
  --line: rgba(255,255,255,.07); --line2: rgba(255,255,255,.14);
  --kw: #c6a8ff; --str: #b8e68f; --num: #ffcf70; --com: #5f6677; --fn: #7cc9ff;
  --type: #ffd88a; --prop: #e3e0d8; --punc: #858a99;
  --ok: #b8e68f; --info: #7cc9ff; --warn: #ffcf70; --bad: #ff6b6b;
  --glow: none;
  color-scheme: dark;
}
[data-theme="paper"] {
  --bg: #f2eee6; --bg2: #ebe5d9; --bg3: #e2dacb;
  --fg: #16150f; --fg2: #46423a; --mute: #6f695d; --dim: #a8a091;
  --line: rgba(40,30,10,.10); --line2: rgba(40,30,10,.20);
  --kw: #7a35c9; --str: #3b7420; --num: #a95500; --com: #9b9383; --fn: #1d5bb0;
  --type: #9a4c00; --prop: #2b2820; --punc: #7c7568;
  --ok: #3b7420; --info: #1d5bb0; --warn: #a95500; --bad: #c4302b;
  --acc-ink: color-mix(in oklab, var(--acc) 45%, #000);
  color-scheme: light;
}
[data-theme="phosphor"] {
  --bg: #030703; --bg2: #061008; --bg3: #08180a;
  --fg: #b6ffc4; --fg2: #86d996; --mute: #4f9a5f; --dim: #2b5a35;
  --line: rgba(120,255,150,.09); --line2: rgba(120,255,150,.2);
  --kw: #e6ffe9; --str: #7dff9a; --num: #c8ff7d; --com: #3a7a48; --fn: #a6ffb8;
  --type: #d8ffb0; --prop: #b6ffc4; --punc: #4f9a5f;
  --ok: #7dff9a; --info: #a6ffb8; --warn: #d8ffb0; --bad: #ffb08a;
  --glow: 0 0 6px rgba(125,255,154,.45);
  color-scheme: dark;
}

html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg); color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  transition: background-color .5s var(--ease), color .5s var(--ease);
  overflow-x: clip;
}
::selection { background: var(--acc); color: var(--on-acc); }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 4px; }
.skip { position: fixed; left: 12px; top: -60px; z-index: 200; padding: 8px 14px; background: var(--acc); color: var(--on-acc); border-radius: 8px; font: 600 13px var(--mono); }
.skip:focus { top: 12px; }
em { font-style: italic; }

.grain {
  position: fixed; inset: -50%; z-index: 80; pointer-events: none; opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain { 0% { transform: translate(0, 0); } 33% { transform: translate(-3%, 2%); } 66% { transform: translate(2%, -3%); } 100% { transform: translate(0, 0); } }
[data-theme="paper"] .grain { opacity: .09; mix-blend-mode: multiply; }
[data-theme="phosphor"] body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 81;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(0,0,0,.22) 2px 3px);
}
[data-theme="phosphor"] .out, [data-theme="phosphor"] .editor, [data-theme="phosphor"] .case { text-shadow: var(--glow); }

/* ---------- cursor follower (fine pointers only) ---------- */
.cursor { position: fixed; left: 0; top: 0; z-index: 95; pointer-events: none; display: none; }
.fine .cursor { display: block; }
.cursor i, .cursor b, .cursor span { position: absolute; left: 0; top: 0; translate: -50% -50%; }
.cursor i { width: 6px; height: 6px; border-radius: 50%; background: var(--acc); }
.cursor b { width: 36px; height: 36px; border-radius: 50%; border: 1px solid color-mix(in oklab, var(--acc) 60%, transparent); transition: width .35s var(--ease), height .35s var(--ease), background .3s, border-color .3s; }
.cursor span { font: 600 10.5px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--on-acc); opacity: 0; transition: opacity .2s; white-space: nowrap; }
.cursor.hot b { width: 64px; height: 64px; background: color-mix(in oklab, var(--acc) 14%, transparent); }
.cursor.label b { width: 86px; height: 86px; background: var(--acc); border-color: var(--acc); }
.cursor.label span { opacity: 1; }
.cursor.text b { width: 4px; height: 26px; border-radius: 2px; background: var(--acc); border: 0; }
.cursor.text i { opacity: 0; }
/* over a live picture the follower shrinks to a sight so it never hides what you are pointing at */
.cursor.scope b { width: 22px; height: 22px; border-color: color-mix(in oklab, var(--fg) 45%, transparent); }
.cursor.scope i { width: 3px; height: 3px; }

/* ---------- boot ---------- */
.boot { position: fixed; inset: 0; z-index: 120; background: var(--bg); display: none; place-items: center; transition: transform 1s var(--ease-io); }
.booting .boot { display: grid; }
.boot.done { transform: translateY(-100%); }
.boot-in { width: min(520px, 86vw); font: 400 13px/1.9 var(--mono); color: var(--mute); }
.boot-log div::before { content: "› "; color: var(--acc-ink); }
.boot-log .ok { color: var(--ok); }
.boot-bar { margin-top: 18px; height: 2px; background: var(--line2); overflow: hidden; }
.boot-bar i { display: block; height: 100%; width: 0; background: var(--acc); transition: width .3s var(--ease); }

/* ---------- nav ---------- */
.nav {
  position: fixed; z-index: 60; top: 0; left: 0; right: 0; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 clamp(16px, 2.4vw, 32px);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.2); -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
  transition: transform .5s var(--ease), background-color .5s;
}
.nav.away { transform: translateY(-100%); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 600 13px var(--mono); }
.mono-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--acc); color: var(--on-acc); font: italic 400 20px/1 var(--serif); letter-spacing: -.02em; }
.links { display: flex; gap: 4px; }
.links a { position: relative; display: inline-flex; align-items: baseline; gap: 6px; padding: 8px 12px; border-radius: 8px; text-decoration: none; font: 500 12.5px var(--mono); color: var(--mute); transition: color .25s, background .25s; }
.links a i { font-style: normal; font-size: 10px; color: var(--dim); }
.links a:hover { color: var(--fg); background: var(--line); }
.links a.on { color: var(--fg); }
.links a.on i { color: var(--acc-ink); }
.links a.on::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 2px; border-radius: 2px; background: var(--acc); }
.nav-r { display: flex; align-items: center; gap: 8px; }
.head { font: 500 11.5px var(--mono); color: var(--mute); padding: 6px 10px; border: 1px dashed var(--line2); border-radius: 999px; white-space: nowrap; transition: border-color .3s; }
.head b { color: var(--acc-ink); font-weight: 600; }
.head.detached { border-color: var(--acc); border-style: solid; }
.pill-btn { display: inline-flex; align-items: center; gap: 4px; height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line2); font: 600 12px var(--mono); color: var(--fg2); transition: color .2s, border-color .2s, background .2s; }
.pill-btn:hover { color: var(--fg); border-color: var(--fg2); }
.pill-btn[aria-pressed="true"] { background: var(--acc); color: var(--on-acc); border-color: var(--acc); }

/* ---------- minimap ---------- */
.minimap { position: fixed; z-index: 50; right: 18px; top: 50%; translate: 0 -50%; display: flex; flex-direction: column; gap: 18px; transition: opacity .4s; }
.in-loop .minimap { opacity: 0; pointer-events: none; }
.minimap::before { content: ""; position: absolute; right: 4px; top: 6px; bottom: 6px; width: 1px; background: var(--line2); }
.minimap button { position: relative; display: flex; align-items: center; justify-content: flex-end; gap: 10px; height: 10px; }
.minimap button i { position: relative; width: 9px; height: 9px; border-radius: 50%; background: var(--bg); border: 1.5px solid var(--dim); transition: all .3s var(--ease); }
.minimap button span { font: 500 11px var(--mono); color: var(--mute); opacity: 0; translate: 6px 0; transition: opacity .25s, translate .3s var(--ease); white-space: nowrap; }
.minimap:hover button span, .minimap button:focus-visible span { opacity: 1; translate: 0 0; }
.minimap button.on i { background: var(--acc-ink); border-color: var(--acc-ink); box-shadow: 0 0 0 4px color-mix(in oklab, var(--acc) 25%, transparent); }
.minimap button.on span { color: var(--fg); }

/* ---------- layout ---------- */
.app { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr); min-height: 100vh; }
.out { position: relative; min-width: 0; padding: 0 var(--pr) 0 calc(var(--gx) + var(--gap)); container: out / inline-size; }
.sec { position: relative; padding: 14vh 0 6vh; }

/* the thread */
.thread { position: absolute; left: 0; top: 0; width: 100%; pointer-events: none; overflow: visible; z-index: 0; }
.thread .base { fill: none; stroke: var(--line2); stroke-width: 1.5; }
.thread .lit { fill: none; stroke: var(--acc-ink); stroke-width: 2; stroke-linecap: round; }
.thread .flow { fill: none; stroke: var(--bg); stroke-width: 2.2; stroke-dasharray: 2 26; animation: flow 1.4s linear infinite; }
.thread .pulse { fill: var(--acc-ink); filter: drop-shadow(0 0 8px var(--acc)); }
.thread .pulse-ring { fill: none; stroke: var(--acc-ink); stroke-width: 1; opacity: .5; }
@keyframes flow { to { stroke-dashoffset: -28; } }

.node { position: relative; display: inline-flex; align-items: center; gap: 10px; font: 500 12.5px var(--mono); color: var(--mute); margin-bottom: 26px; }
.node::before {
  content: ""; position: absolute; left: calc(-1 * var(--gap)); top: 50%; translate: -50% -50%;
  width: 13px; height: 13px; border-radius: 50%; background: var(--bg); border: 2px solid var(--dim);
  transition: background .4s, border-color .4s, box-shadow .4s;
}
.node.on::before { background: var(--acc-ink); border-color: var(--acc-ink); box-shadow: 0 0 0 6px color-mix(in oklab, var(--acc) 22%, transparent); }
.node b { color: var(--acc-ink); font-weight: 600; }
.node .ix { color: var(--dim); }

.title { font: 400 clamp(46px, 7vw, 112px)/.94 var(--serif); letter-spacing: -.02em; }
.title em { color: var(--acc-ink); }
.lede { margin-top: 20px; max-width: 56ch; font-size: clamp(16px, 1.25vw, 18px); color: var(--fg2); }
.lede a { color: var(--fg); text-decoration: underline 1px; text-decoration-color: color-mix(in oklab, var(--acc-ink) 55%, transparent); text-underline-offset: 3px; transition: text-decoration-color .25s; }
.lede a:hover { text-decoration-color: var(--acc-ink); }

/* split-text reveal */
.split .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.split .w > span { display: inline-block; transform: translateY(105%); transition: transform 1s var(--ease); transition-delay: calc(var(--i) * 40ms); }
.split.in .w > span { transform: none; }
.rv { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.rv.in { opacity: 1; transform: none; }

/* ---------- hero: my name, written as sound (spectro.js) ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding-top: calc(var(--nav-h) + 4vh); padding-bottom: 5vh; }
.eyebrow { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; font: 500 12.5px var(--mono); color: var(--mute); }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); animation: pulse 2.2s infinite; }
.eyebrow .avail { display: inline-flex; align-items: center; gap: 9px; height: 28px; padding: 0 12px 0 10px; border-radius: 99px; border: 1px solid color-mix(in oklab, var(--ok) 40%, transparent); color: var(--ok); background: color-mix(in oklab, var(--ok) 8%, transparent); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--ok) 60%, transparent); } 70%, 100% { box-shadow: 0 0 0 10px transparent; } }
@keyframes pulseC { 0% { box-shadow: 0 0 0 0 color-mix(in oklab, currentColor 55%, transparent); } 70%, 100% { box-shadow: 0 0 0 9px transparent; } }
.spec { position: relative; margin: 3vh 0 2.6vh; }
.spec canvas { display: block; width: 100%; height: clamp(220px, min(31vw, 52vh), 470px); cursor: crosshair; touch-action: pan-y; -webkit-tap-highlight-color: transparent; }
.err { font: 500 13px var(--mono); color: var(--bad); margin: -1vh 0 2vh; }
.hero-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 22px 48px; align-items: end; }
.hero-tag { font: 400 clamp(24px, 2.5vw, 38px)/1.14 var(--serif); letter-spacing: -.01em; color: var(--fg); max-width: 21em; text-wrap: balance; }
.hear { display: grid; gap: 12px; justify-items: end; }
.hear-cap { min-height: 1.5em; font: 500 12.5px/1.5 var(--mono); color: var(--mute); text-align: right; }
.hear-cap b { color: var(--acc-ink); font-weight: 600; }
.hear-btns { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.hear .ic { display: inline-grid; place-items: center; width: 1em; font-size: 12px; }
.hear .ic.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.btn.on { animation: pulseC 1.6s infinite; }
.btn.ghost.on { color: var(--acc-ink); border-color: var(--acc-ink); background: color-mix(in oklab, var(--acc) 10%, transparent); }
.singing .hear .ic.dot { animation: pulseC 1.2s infinite; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.pill-btn.snd { font-size: 14px; padding: 0 11px; }
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 10px; height: 48px; padding: 0 20px; border-radius: 999px;
  font: 600 13px var(--mono); text-decoration: none; background: var(--acc); color: var(--on-acc); white-space: nowrap;
  transition: transform .35s var(--ease), background .3s, color .3s, border-color .3s;
}
[data-theme="paper"] .btn { background: var(--acc-ink); color: #fff; }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line2); }
.btn.ghost:hover { border-color: var(--fg); }
.btn.sm { height: 38px; padding: 0 15px; font-size: 12px; }
.btn .arr { transition: transform .35s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }

/* ---------- whoami: three lines, the proof opens under each ---------- */
.who-lines { list-style: none; border-top: 1px solid var(--line2); }
.wl { border-bottom: 1px solid var(--line2); }
.wl-head { width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) auto 36px; align-items: center; gap: 28px; padding: clamp(18px, 2.8vh, 30px) 0; text-align: left; }
.wl-k { font: 400 clamp(32px, 4.5vw, 74px)/1.02 var(--serif); letter-spacing: -.02em; transition: color .4s, transform .6s var(--ease); }
.wl-n { display: flex; flex-direction: column; align-items: flex-end; text-align: right; }
.wl-n b { font: 400 clamp(30px, 3.3vw, 54px)/1 var(--serif); font-weight: 400; color: var(--fg2); font-variant-numeric: tabular-nums; transition: color .4s; }
.wl-n i { margin-top: 6px; font: 500 11px var(--mono); font-style: normal; color: var(--mute); white-space: nowrap; }
.wl-plus { position: relative; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line2); transition: background .3s, border-color .3s; }
.wl-plus::before, .wl-plus::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; translate: -50% -50%; background: var(--fg2); transition: rotate .45s var(--ease), background .3s; }
.wl-plus::after { rotate: 90deg; }
.wl-head:hover .wl-k { transform: translateX(12px); }
.wl-head:hover .wl-plus { border-color: var(--fg2); }
.who-lines:has(.open) .wl:not(.open) .wl-k { color: var(--mute); }
.wl.open .wl-n b { color: var(--acc-ink); }
.wl.open .wl-plus { background: var(--acc); border-color: var(--acc); }
[data-theme="paper"] .wl.open .wl-plus { background: var(--acc-ink); border-color: var(--acc-ink); }
.wl.open .wl-plus::before, .wl.open .wl-plus::after { background: var(--on-acc); }
[data-theme="paper"] .wl.open .wl-plus::before, [data-theme="paper"] .wl.open .wl-plus::after { background: #fff; }
.wl.open .wl-plus::after { rotate: 0deg; }
.wl-proof { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .55s var(--ease); }
.wl.open .wl-proof { grid-template-rows: 1fr; }
.wl-proof > div { min-height: 0; overflow: hidden; display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 28px; }
.wl-proof p { max-width: 60ch; padding-bottom: 28px; font-size: clamp(15.5px, 1.2vw, 18px); color: var(--fg2); opacity: 0; transform: translateY(-6px); transition: opacity .4s, transform .5s var(--ease); }
.wl-proof a { padding-bottom: 28px; font: 600 12.5px var(--mono); color: var(--acc-ink); text-decoration: none; white-space: nowrap; opacity: 0; transition: opacity .4s .08s; }
.wl-proof a:hover { text-decoration: underline; text-underline-offset: 4px; }
.wl.open .wl-proof p, .wl.open .wl-proof a { opacity: 1; transform: none; }
.who-aside { margin-top: 4.5vh; display: flex; flex-wrap: wrap; gap: 14px 48px; font: 500 13px/1.6 var(--mono); color: var(--fg2); }
.who-aside p { display: flex; align-items: baseline; gap: 12px; max-width: 54ch; }
.who-aside .ic { flex: none; width: 1.1em; font: italic 400 24px/1 var(--serif); color: var(--acc-ink); text-align: center; }
.who-aside a { color: var(--acc-ink); text-decoration: none; white-space: nowrap; border-bottom: 1px solid color-mix(in oklab, var(--acc-ink) 35%, transparent); transition: border-color .2s; }
.who-aside a:hover { border-color: currentColor; }

/* ---------- work(): a wall of live sketches (sims.js) ---------- */
/* each project's colour comes from data.js as --c-raw; paper darkens it, phosphor keeps everything green */
.tile, .pj, .pchip, .cable, .cflow, .case-in { --c: var(--c-raw, var(--acc)); }
[data-theme="paper"] :is(.tile, .pj, .pchip, .cable, .cflow, .case-in) { --c: color-mix(in oklab, var(--c-raw, var(--acc)) 56%, #000); }
[data-theme="phosphor"] :is(.tile, .pj, .pchip, .cable, .cflow, .case-in) { --c: var(--str); }
.tiles { margin-top: 6vh; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
.tile {
  grid-column: span 4; position: relative; min-width: 0; display: flex; flex-direction: column; gap: 12px; padding: 18px 20px 14px; border-radius: 22px;
  border: 1px solid var(--line); background: radial-gradient(130% 80% at 0% 0%, color-mix(in oklab, var(--c) 10%, transparent), transparent 58%), var(--bg2);
  transition: border-color .35s, box-shadow .6s var(--ease), opacity 1s var(--ease), transform 1s var(--ease);
}
.tile:hover, .tile:focus-within { border-color: color-mix(in oklab, var(--c) 45%, transparent); box-shadow: 0 40px 90px -50px color-mix(in oklab, var(--c) 60%, transparent); }
.t-relay { grid-column: span 7; } .t-tracewise { grid-column: span 5; } .t-onboard, .t-dispatch { grid-column: span 6; }
.tile.ping { animation: tping 1.6s var(--ease); }
@keyframes tping { 0%, 35% { box-shadow: 0 0 0 2px var(--c), 0 0 70px -10px var(--c); } 100% { box-shadow: 0 0 0 0 transparent; } }
.t-top { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 6px 12px; }
.t-ix { font: 500 11px var(--mono); color: var(--dim); }
.t-name { grid-column: 1 / -1; grid-row: 2; justify-self: start; font: 400 clamp(28px, 2.4vw, 38px)/1 var(--serif); letter-spacing: -.01em; text-align: left; transition: color .25s; }
.t-name:hover { color: var(--c); }
.t-kind { grid-row: 1; grid-column: 2; display: inline-flex; align-items: center; gap: 8px; font: 500 11px var(--mono); color: var(--mute); white-space: nowrap; }
.t-kind::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--c); color: var(--c); animation: pulseC 2.4s infinite; }
.t-q { min-height: 2.5em; font: italic 400 clamp(17px, 1.35vw, 21px)/1.25 var(--serif); color: var(--c); text-wrap: balance; }
.t-stage { position: relative; }
canvas.sim { display: block; width: 100%; height: 236px; border-radius: 14px; border: 1px solid var(--line); background: color-mix(in oklab, var(--bg) 72%, transparent); touch-action: pan-y; -webkit-tap-highlight-color: transparent; }
.tile.big canvas.sim { height: 290px; }
.t-ctl { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; min-height: 32px; }
.sim-ctl { display: flex; flex-wrap: wrap; gap: 6px; }
.sim-ctl:empty { display: none; }
.sim-btn { display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line2); font: 600 11.5px var(--mono); color: var(--fg2); white-space: nowrap; transition: color .2s, border-color .2s, background .2s; }
.sim-btn:hover { color: var(--fg); border-color: var(--c); }
.sim-btn.on { color: var(--c); border-color: color-mix(in oklab, var(--c) 60%, transparent); background: color-mix(in oklab, var(--c) 12%, transparent); }
.sim-btn.tog::before { content: ""; width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid currentColor; }
.sim-btn.tog.on::before { background: currentColor; }
.sim-btn.warn:hover { color: var(--bad); border-color: var(--bad); }
.sim-btn.warn.on { color: var(--bad); border-color: color-mix(in oklab, var(--bad) 60%, transparent); background: color-mix(in oklab, var(--bad) 10%, transparent); }
.sim-btn:disabled { opacity: .4; cursor: default; }
.sim-read { margin-left: auto; min-height: 1.45em; font: 500 12px/1.45 var(--mono); color: var(--mute); text-align: right; font-variant-numeric: tabular-nums; }
.sim-read b { color: var(--fg); font-weight: 600; }
.sim-read b.bad { color: var(--bad); }
.t-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px 20px; margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--line2); }
.t-m { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.t-m b { font: 400 30px/1 var(--serif); font-weight: 400; color: var(--c); white-space: nowrap; }
.t-m i { max-width: 28ch; font: 500 11px/1.35 var(--mono); font-style: normal; color: var(--mute); }
.t-links { display: flex; gap: 16px; font: 600 12px var(--mono); white-space: nowrap; }
.t-links a, .t-links button { color: var(--fg2); text-decoration: none; padding-bottom: 1px; border-bottom: 1px solid var(--line2); transition: color .2s, border-color .2s; }
.t-links a:hover, .t-links button:hover { color: var(--c); border-color: var(--c); }
/* Atlas searches the real note index right in the tile */
.t-atlas .t-stage { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.t-atlas canvas.sim { flex: 1 1 0; height: 0; min-height: 58px; }
.atlas-q { display: flex; align-items: center; gap: 10px; height: 46px; padding: 0 14px; border-radius: 12px; border: 1px solid var(--line2); background: var(--bg); transition: border-color .25s, box-shadow .25s; }
.atlas-q:focus-within { border-color: var(--c); box-shadow: 0 0 0 4px color-mix(in oklab, var(--c) 16%, transparent); }
.atlas-q span { font-size: 18px; color: var(--c); }
.atlas-q input { flex: 1; min-width: 0; background: none; border: 0; outline: 0; font: 500 14px var(--mono); color: var(--fg); caret-color: var(--c); }
.atlas-q input::placeholder { color: var(--dim); }
.atlas-q input::-webkit-search-cancel-button { -webkit-appearance: none; }
.atlas-res { list-style: none; height: 128px; display: flex; flex-direction: column; gap: 4px; }
.atlas-res a { position: relative; display: flex; align-items: center; gap: 12px; height: 40px; padding: 0 12px; border-radius: 10px; overflow: hidden; text-decoration: none; background: color-mix(in oklab, var(--bg) 55%, transparent); transition: background .2s; }
.atlas-res a:hover { background: var(--bg3); }
.atlas-res .ttl { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 400 17px/1.2 var(--serif); color: var(--fg); transition: color .2s; }
.atlas-res a:hover .ttl { color: var(--c); }
.atlas-res .dt { font: 500 11px var(--mono); color: var(--mute); }
.atlas-res i { position: absolute; left: 0; bottom: 0; height: 2px; background: var(--c); opacity: .75; transition: width .3s var(--ease); }
.atlas-res .none { padding: 10px 12px; font: 500 12px var(--mono); color: var(--mute); }
.also { margin-top: 26px; font: 500 12.5px/1.9 var(--mono); color: var(--mute); }
.also a { margin-left: 12px; color: var(--fg2); text-decoration: underline; text-decoration-color: var(--line2); text-underline-offset: 3px; white-space: nowrap; }
.also a:hover { color: var(--fg); text-decoration-color: currentColor; }

/* ---------- skills(): a patch bay; every cable runs from a skill to a project that uses it ---------- */
.bay { position: relative; margin-top: 6vh; }
.cables { position: absolute; left: 0; top: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.bay-groups, .bay-jacks, .bay-read { position: relative; }
.cable { fill: none; stroke: var(--c); stroke-width: 1.2; opacity: .3; transition: opacity .35s, stroke-width .35s; }
.bay.focus .cable { opacity: .06; }
.bay .cable.on, .bay .cable.ring { opacity: 1; stroke-width: 2; }
.bay .cable.ring { transition: none; }
.cflow { fill: none; stroke: var(--c); stroke-width: 3.2; stroke-linecap: round; stroke-dasharray: 1.5 16; opacity: 0; animation: wflow 1s linear infinite; }
.cflow.on { opacity: 1; filter: drop-shadow(0 0 4px var(--c)); }
@keyframes wflow { to { stroke-dashoffset: -35; } }
.bay-groups { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0 30px; padding-left: 24px; }
.bg-h { padding-bottom: 8px; font: 500 11.5px var(--mono); color: var(--com); }
.sk { display: flex; align-items: center; gap: 9px; width: 100%; height: 30px; padding-right: 4px; font: 500 12.5px var(--mono); color: var(--fg); text-align: left; transition: color .25s, opacity .3s; }
.sk .jack { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--bg); border: 1.5px solid var(--dim); transition: background .25s, border-color .25s, box-shadow .25s; }
.sk .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sk .since { display: none; }
.sk:hover .jack, .sk.on .jack { background: var(--acc-ink); border-color: var(--acc-ink); box-shadow: 0 0 0 4px color-mix(in oklab, var(--acc) 22%, transparent); }
.sk.none { color: var(--mute); }
.sk.none .jack { border-style: dashed; }
.sk.pin .nm { text-decoration: underline; text-decoration-color: var(--acc-ink); text-underline-offset: 4px; }
.bay.focus .sk:not(.on), .bay.focus .pj:not(.on) { opacity: .3; }
.sk.twang, .pj.twang { animation: twang .52s var(--ease); }
@keyframes twang { 20% { transform: translateY(-3px); } 45% { transform: translateY(1px); } 70% { transform: translateY(-1px); } }
.bay-jacks { display: grid; grid-template-columns: repeat(var(--jacks, 8), minmax(0, 1fr)); gap: 0 12px; margin-top: 118px; }
.pj { display: flex; flex-direction: column; align-items: center; gap: 7px; padding: 0 2px 6px; text-align: center; transition: opacity .3s; }
.pj .jack { width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 2px solid var(--c); box-shadow: 0 0 0 4px var(--bg); transition: background .25s, box-shadow .25s; }
.pj:hover .jack, .pj.on .jack { background: var(--c); box-shadow: 0 0 0 4px var(--bg), 0 0 0 7px color-mix(in oklab, var(--c) 30%, transparent); }
.pj .nm { font: 400 clamp(16px, 1.5vw, 22px)/1.05 var(--serif); color: var(--fg); transition: color .25s; }
.pj:hover .nm, .pj.on .nm { color: var(--c); }
.pj .k { font: 500 10px/1.3 var(--mono); color: var(--mute); }
.bay-read { margin-top: 24px; min-height: 64px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; padding-top: 16px; border-top: 1px solid var(--line2); font: 500 13px/1.6 var(--mono); color: var(--fg2); }
.bay-read b { font: 400 28px/1 var(--serif); color: var(--fg); }
.bay-read .lab { color: var(--mute); }
.bay-read .arrow { color: var(--dim); }
.bay-read .lnk { color: var(--acc-ink); border-bottom: 1px solid color-mix(in oklab, var(--acc-ink) 35%, transparent); }
.pchip { display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px; border-radius: 999px; border: 1px solid color-mix(in oklab, var(--c) 40%, transparent); background: var(--bg2); font: 500 12px var(--mono); color: var(--fg); transition: border-color .2s, color .2s; }
.pchip i { width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.pchip:hover { border-color: var(--c); color: var(--c); }

/* status dots and tags (case studies) */
.st { display: inline-flex; align-items: center; gap: 6px; }
.st::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mute); }
.st.is-live { color: var(--ok); } .st.is-live::before { background: var(--ok); }
.st.is-source { color: var(--info); } .st.is-source::before { background: var(--info); }
.st.is-wip { color: var(--warn); } .st.is-wip::before { background: var(--warn); animation: pulse 2s infinite; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tag { font: 500 11px var(--mono); padding: 3px 8px; border-radius: 6px; background: var(--bg3); color: var(--mute); }
.tag.lnk { color: var(--fg2); border: 1px solid var(--line2); cursor: pointer; transition: border-color .2s, color .2s; } .tag.lnk:hover { border-color: var(--acc-ink); color: var(--fg); }

/* measured numbers on cards and case studies */
.metrics { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 12px 0 2px; border-top: 1px dashed var(--line2); }
.metrics span { display: flex; flex-direction: column; font: 500 10.5px var(--mono); color: var(--mute); }
.metrics b { font: 400 30px/1 var(--serif); color: var(--fg); margin-bottom: 4px; }
.metrics.sm { padding-top: 10px; gap: 6px 16px; } .metrics.sm b { font-size: 24px; }
.metrics i { font-style: normal; }
.case .metrics { margin: 26px 0 0; max-width: 960px; } .case .metrics b { font-size: 44px; color: var(--c, var(--acc-ink)); }

/* ---------- history loop ---------- */
.history { padding-bottom: 0; }
.history .intro { padding-bottom: 6vh; }
.stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; background: var(--bg); margin-left: calc(-1 * (var(--gx) + var(--gap))); margin-right: calc(-1 * var(--pr)); }
.stage-top { position: absolute; z-index: 3; top: calc(var(--nav-h) + 22px); left: calc(var(--gx) + var(--gap)); right: var(--pr); display: flex; justify-content: space-between; gap: 16px; font: 500 12.5px var(--mono); color: var(--mute); }
.stage-top .kw { color: var(--kw); } .stage-top b { color: var(--fg); font-weight: 500; }
.counters { display: flex; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.counters b { color: var(--acc-ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.track { position: absolute; top: 0; left: 0; height: 100%; display: flex; will-change: transform; }
.loop-thread { position: absolute; left: 0; top: 0; height: 100%; pointer-events: none; overflow: visible; }
.loop-thread .base { fill: none; stroke: var(--line2); stroke-width: 1.5; }
.loop-thread .lit { fill: none; stroke: var(--acc-ink); stroke-width: 2; stroke-linecap: round; }
.loop-thread .pulse { fill: var(--acc-ink); filter: drop-shadow(0 0 8px var(--acc)); }
.chap { position: relative; flex: none; width: min(74vw, 980px); height: 100%; padding: calc(var(--nav-h) + 24vh) clamp(28px, 4vw, 64px) 18vh calc(var(--gx) + var(--gap)); }
.chap:first-child { padding-left: calc(var(--gx) + var(--gap)); }
.chap .yr-node { position: absolute; top: calc(var(--nav-h) + 13vh); left: calc(var(--gx) + var(--gap)); font: 600 12.5px var(--mono); color: var(--mute); translate: 0 -50%; display: flex; align-items: center; gap: 10px; }
.chap .yr-node::before { content: ""; width: 15px; height: 15px; border-radius: 50%; background: var(--bg); border: 2px solid var(--dim); margin-left: -7.5px; transition: all .4s var(--ease); }
.chap.on .yr-node { color: var(--fg); }
.chap.on .yr-node::before { background: var(--acc-ink); border-color: var(--acc-ink); box-shadow: 0 0 0 7px color-mix(in oklab, var(--acc) 22%, transparent); }
.chap .big {
  position: absolute; z-index: -1; right: clamp(10px, 3vw, 60px); bottom: 6vh; font: italic 400 clamp(120px, 22vw, 360px)/.8 var(--serif); letter-spacing: -.05em;
  color: transparent; -webkit-text-stroke: 1px var(--line2); user-select: none; transition: -webkit-text-stroke-color .6s;
}
.chap.on .big { -webkit-text-stroke-color: color-mix(in oklab, var(--acc-ink) 45%, transparent); }
.chap .role { font: 500 12.5px var(--mono); color: var(--acc-ink); }
.chap h3 { margin: 10px 0 16px; font: 400 clamp(40px, 5vw, 76px)/.98 var(--serif); letter-spacing: -.015em; max-width: 12em; }
.chap p.t { max-width: 46ch; font-size: clamp(15.5px, 1.2vw, 18px); color: var(--fg2); }
.chap .picked { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 20px; }
.chap .picked span { font: 500 11.5px var(--mono); padding: 4px 9px; border-radius: 6px; background: color-mix(in oklab, var(--acc) 12%, transparent); color: var(--acc-ink); }
.chap .events { list-style: none; margin-top: 20px; font: 400 12.5px/1.9 var(--mono); color: var(--mute); max-width: 52ch; }
.chap .events b { color: var(--fg2); font-weight: 400; }
.chap .ships { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.btn.unfinished { border-style: dashed; color: var(--mute); cursor: default; } .btn.unfinished:hover { border-color: var(--line2); }
.chap .events.grew li { display: grid; grid-template-columns: auto 1fr; align-items: baseline; gap: 10px; }
.chap .events.grew .yr { font: inherit; color: var(--acc-ink); text-decoration: underline dotted; text-underline-offset: 3px; cursor: pointer; }
.chap .events.grew .yr:hover { color: var(--fg); }
.chap .events.grew .to { color: var(--dim); }
.chap .events.grew .lnk { font: inherit; color: var(--fg); border-bottom: 1px solid var(--line2); cursor: pointer; } .chap .events.grew .lnk:hover { border-color: var(--acc-ink); }
.chap.fit1 { padding-top: calc(var(--nav-h) + 17vh); }
.chap.fit2 .events:not(.grew), .chap.fit3 .picked { display: none; }
.chap.fit4 h3 { font-size: clamp(30px, 4vw, 48px); margin-bottom: 10px; }
.chap .close-brace { position: absolute; right: 12%; top: 50%; font: 400 clamp(120px, 16vw, 240px)/1 var(--mono); color: var(--line2); translate: 0 -50%; }
.rail { position: absolute; z-index: 3; left: calc(var(--gx) + var(--gap)); right: var(--pr); bottom: 26px; display: flex; align-items: center; gap: 0; }
.rail::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--line2); }
.rail .fill { position: absolute; left: 0; top: 50%; height: 2px; translate: 0 -50%; background: var(--acc-ink); width: 0; transition: width .5s var(--ease); }
.rail button { position: relative; flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 8px; padding: 0; height: 46px; font: 500 11px var(--mono); color: var(--mute); }
.rail button::before { content: ""; position: absolute; top: 50%; translate: 0 -50%; width: 9px; height: 9px; border-radius: 50%; background: var(--bg); border: 1.5px solid var(--dim); transition: all .3s var(--ease); }
.rail button span { transition: color .3s; }
.rail button.on::before, .rail button.past::before { background: var(--acc-ink); border-color: var(--acc-ink); }
.rail button.on span { color: var(--fg); }
.rail button:hover span { color: var(--fg); }

/* ---------- case study ---------- */
.case { position: fixed; inset: 0; z-index: 75; background: var(--bg); clip-path: circle(0 at var(--cx, 50%) var(--cy, 50%)); transition: clip-path .9s var(--ease-io); }
.case[hidden] { display: block; visibility: hidden; }
.case.open { clip-path: circle(150% at var(--cx, 50%) var(--cy, 50%)); visibility: visible; }
.case-scroll { height: 100%; overflow-y: auto; overscroll-behavior: contain; }
.case-in { max-width: 1080px; margin: 0 auto; padding: 96px clamp(20px, 5vw, 48px) 80px; }
.case-x { position: fixed; z-index: 2; top: 18px; right: 18px; }
.case .kick { font: 500 12.5px var(--mono); color: var(--mute); display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.case .kick b { color: var(--num); font-weight: 500; }
.case h2 { margin: 18px 0 18px; font: 400 clamp(56px, 10vw, 150px)/.88 var(--serif); letter-spacing: -.03em; }
.case .q { font: italic 400 clamp(22px, 2.4vw, 32px)/1.25 var(--serif); color: var(--c, var(--acc-ink)); margin: 0 0 10px; }
.case .pitch { font: 400 clamp(22px, 2.4vw, 32px)/1.3 var(--serif); color: var(--fg2); max-width: 30em; }
.case .cover { display: block; width: 100%; height: clamp(200px, 30vw, 360px); margin: 44px 0; border-radius: 22px; background: var(--bg2); border: 1px solid var(--line); }
.case.instant { transition: none; }
/* the cover leads back up to the project running live on the intro's map */
.cover-link { position: relative; display: block; margin: 44px 0; color: inherit; text-decoration: none; border-radius: 22px; }
.cover-link .cover { margin: 0; transition: border-color .35s, box-shadow .6s var(--ease); }
.cover-link:hover .cover, .cover-link:focus-visible .cover { border-color: color-mix(in oklab, var(--c) 50%, transparent); box-shadow: 0 40px 90px -50px color-mix(in oklab, var(--c) 70%, transparent); }
.cover-cap { position: absolute; left: 18px; bottom: 16px; display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; background: color-mix(in oklab, var(--bg) 82%, transparent); border: 1px solid var(--line2); font: 500 12px var(--mono); color: var(--fg2); transition: color .25s, border-color .25s, transform .35s var(--ease); }
.cover-cap b { font-weight: 500; color: var(--c); transition: transform .35s var(--ease); }
.cover-link:hover .cover-cap, .cover-link:focus-visible .cover-cap { color: var(--fg); border-color: var(--c); }
.cover-link:hover .cover-cap b, .cover-link:focus-visible .cover-cap b { transform: translate(-2px, -2px); }
.cover-link:focus-visible { outline: 2px solid var(--c); outline-offset: 4px; }
.case-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px 48px; border-top: 1px solid var(--line2); padding-top: 34px; }
.case-grid h4 { font: 500 12.5px var(--mono); color: var(--mute); font-weight: 500; }
.case-grid p { font-size: 17px; color: var(--fg2); max-width: 60ch; }
.case-grid ol { list-style: none; counter-reset: s; display: grid; gap: 14px; max-width: 64ch; }
.case-grid ol li { counter-increment: s; position: relative; padding-left: 44px; color: var(--fg2); font-size: 16.5px; }
.case-grid ol li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 2px; font: 600 12px var(--mono); color: var(--acc-ink); }
.miles { list-style: none; display: grid; gap: 8px; font: 400 14px var(--mono); color: var(--fg2); }
.miles li { display: flex; gap: 12px; align-items: center; }
.miles li::before { content: ""; width: 16px; height: 16px; border-radius: 5px; border: 1.5px solid var(--dim); flex: none; }
.miles li.done { color: var(--fg); }
.miles li.done::before { background: var(--acc-ink); border-color: var(--acc-ink); box-shadow: inset 0 0 0 3px var(--bg); }
.case .actions { display: flex; flex-wrap: wrap; gap: 10px; }
.case-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 80px; padding-top: 28px; border-top: 1px solid var(--line2); }
.case-nav button { text-align: left; font: 500 12px var(--mono); color: var(--mute); }
.case-nav button b { display: block; font: 400 clamp(26px, 3vw, 40px)/1.1 var(--serif); color: var(--fg); margin-top: 6px; transition: color .25s; }
.case-nav button:hover b { color: var(--acc-ink); }
.case-nav button:last-child { text-align: right; }
.case .actions.top { margin-top: 28px; }

/* ---------- contact ---------- */
.contact { min-height: 100vh; display: flex; flex-direction: column; padding-bottom: 0; }
.contact .title { font-size: clamp(56px, 10vw, 170px); }
.hire {
  margin-top: 6vh; align-self: flex-start; display: inline-flex; align-items: center; gap: 16px; padding: 24px 32px; border-radius: 20px;
  font: 500 clamp(18px, 2.4vw, 28px) var(--mono); background: var(--bg2); border: 1px solid var(--line2);
  transition: border-color .3s, transform .4s var(--ease);
}
.hire:hover { border-color: var(--acc); }
.hire .kw { color: var(--kw); } .hire .fn { color: var(--fn); } .hire .p { color: var(--punc); }
.hire .caret { width: .55em; height: 1.1em; background: var(--acc); animation: blink 1s steps(1) infinite; }
.promise { margin-top: 26px; font: 400 14px/1.9 var(--mono); color: var(--fg2); border-left: 2px solid var(--acc-ink); padding: 4px 0 4px 18px; max-width: 560px; }
.promise[hidden] { display: none; }
.promise .state { color: var(--num); }
.promise a { color: var(--str); }
.foot { margin-top: auto; padding: 28px 0 36px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; font: 400 12px var(--mono); color: var(--mute); }
.foot a { color: var(--fg2); }
.foot .latest a { text-decoration: none; }
.foot .latest a:hover { color: var(--acc-ink); }

/* ---------- source mode: the editor slides in ---------- */
.editor { display: none; }
.source .app { grid-template-columns: var(--ed-w) minmax(0, 1fr); }
.source .editor {
  position: sticky; top: var(--nav-h); height: calc(100vh - var(--nav-h)); display: flex; flex-direction: column;
  background: var(--bg2); border-right: 1px solid var(--line); font: 400 12.5px/1.75 var(--mono); z-index: 2;
  animation: edIn .6s var(--ease);
}
@keyframes edIn { from { transform: translateX(-30px); opacity: 0; } }
.source .minimap { display: none; }
.ed-bar { display: flex; align-items: center; gap: 10px; padding: 0 10px 0 14px; height: 40px; flex: none; border-bottom: 1px solid var(--line); background: var(--bg3); }
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; }
.dots i:nth-child(1) { background: #ff5f57; } .dots i:nth-child(2) { background: #febc2e; } .dots i:nth-child(3) { background: #28c840; }
[data-theme="phosphor"] .dots i { background: var(--dim); }
.tab { display: flex; align-items: center; gap: 8px; height: 100%; padding: 0 14px; margin-left: 6px; background: var(--bg2); border-inline: 1px solid var(--line); color: var(--fg); }
.tab .glyph { color: var(--acc-ink); font-weight: 700; }
.tab .dirty { width: 7px; height: 7px; border-radius: 50%; background: var(--acc); opacity: 0; transition: opacity .3s; }
.tab.is-dirty .dirty { opacity: 1; }
.ed-actions { margin-left: auto; display: flex; gap: 2px; }
.ed-actions button { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 9px; border-radius: 6px; color: var(--mute); font: 500 11.5px var(--mono); }
.ed-actions button:hover { color: var(--fg); background: var(--line); }
.code { position: relative; flex: 1; overflow: auto; padding: 14px 0 40vh; scrollbar-width: thin; scrollbar-color: var(--line2) transparent; }
.ln { position: relative; display: grid; grid-template-columns: 50px 1fr; padding-right: 16px; color: var(--fg2); cursor: pointer; transition: opacity .35s var(--ease), background .25s; }
.code.has-active .ln { opacity: .38; }
.code.has-active .ln.on { opacity: 1; }
.ln:hover { background: var(--line); }
.ln .no { text-align: right; padding-right: 16px; color: var(--dim); user-select: none; position: relative; }
.ln .src { white-space: pre-wrap; word-break: break-word; padding-left: 2ch; text-indent: -2ch; min-height: 1.75em; }
.ln.cur { background: color-mix(in oklab, var(--acc) 11%, transparent); }
.ln.cur .no { color: var(--acc-ink); }
.ln.cur .no::before { content: ""; position: absolute; left: 8px; top: 50%; translate: 0 -50%; border: 5px solid transparent; border-left: 7px solid var(--acc); border-right: 0; }
.ln.ping { animation: ping 1.2s var(--ease); }
@keyframes ping { 0% { background: color-mix(in oklab, var(--acc) 35%, transparent); } 100% { background: transparent; } }
.t-kw { color: var(--kw); } .t-str { color: var(--str); } .t-num { color: var(--num); }
.t-com { color: var(--com); font-style: italic; } .t-fn { color: var(--fn); } .t-type { color: var(--type); }
.t-prop { color: var(--prop); } .t-p { color: var(--punc); }
.live {
  position: relative; display: inline; color: var(--str); border-radius: 3px; padding: 0 1px; cursor: pointer;
  background-image: linear-gradient(90deg, var(--acc) 50%, transparent 50%); background-size: 4px 1.5px; background-repeat: repeat-x; background-position: 0 100%;
  transition: background-color .2s;
}
.live:hover, .live:focus-visible { background-color: color-mix(in oklab, var(--acc) 18%, transparent); outline: none; }
.live.num, .live.bool { color: var(--num); }
.live[contenteditable] { cursor: text; caret-color: var(--acc); }
.swatch { display: inline-block; width: .8em; height: .8em; border-radius: 2px; background: var(--acc); vertical-align: -1px; margin-right: 4px; box-shadow: 0 0 0 1px var(--line2); }
.live.bump { animation: bump .45s var(--ease); }
@keyframes bump { 40% { background-color: color-mix(in oklab, var(--acc) 45%, transparent); } }
.ed-status { flex: none; display: flex; gap: 14px; align-items: center; height: 26px; padding: 0 14px; background: var(--acc); color: var(--on-acc); font-size: 11px; font-weight: 500; white-space: nowrap; overflow: hidden; }
[data-theme="paper"] .ed-status { background: var(--acc-ink); color: #fff; }
.ed-status .sp { margin-left: auto; }
.ed-status .ok::before { content: "✓ "; }
/* source mode outlines the part of the page the cursor line describes */
.out [data-ref].lit { outline: 1px dashed color-mix(in oklab, var(--acc) 70%, transparent); outline-offset: 6px; }

/* ---------- terminal + toast ---------- */
.term {
  position: fixed; z-index: 90; left: 50%; bottom: 22px; translate: -50% 0; width: min(760px, calc(100vw - 24px)); height: min(440px, 62vh);
  display: flex; flex-direction: column; border-radius: 14px; overflow: hidden;
  background: color-mix(in oklab, var(--bg) 97%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line2); box-shadow: 0 40px 100px -20px rgba(0,0,0,.6); font: 400 13px/1.65 var(--mono);
  transition: opacity .3s var(--ease), transform .4s var(--ease);
}
.term[hidden] { display: flex; opacity: 0; transform: translateY(24px) scale(.98); pointer-events: none; visibility: hidden; }
.term-bar { display: flex; align-items: center; gap: 10px; height: 36px; padding: 0 12px; border-bottom: 1px solid var(--line); color: var(--mute); font-size: 11.5px; }
.term-bar button { margin-left: auto; color: var(--mute); padding: 2px 6px; border-radius: 4px; }
.term-bar button:hover { color: var(--fg); background: var(--line); }
.term-out { flex: 1; overflow-y: auto; padding: 12px 16px; white-space: pre-wrap; word-break: break-word; color: var(--fg2); }
.term-out .c { color: var(--fg); }
.term-out .c::before { content: "alan@fung:~$ "; color: var(--acc-ink); }
.term-out .e { color: var(--bad); }
.term-out .a { color: var(--str); }
.term-out a { color: var(--fn); }
.term-in { display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--line); }
.term-in label { color: var(--acc-ink); white-space: nowrap; }
.term-in input { flex: 1; min-width: 0; background: none; border: 0; outline: 0; color: var(--fg); font: inherit; caret-color: var(--acc); }
.toast { position: fixed; z-index: 92; top: calc(var(--nav-h) + 12px); left: 50%; translate: -50% 0; padding: 9px 14px; border-radius: 10px; background: var(--bg3); border: 1px solid var(--line2); font: 500 12px var(--mono); color: var(--fg2); opacity: 0; transform: translateY(-8px); transition: opacity .3s, transform .4s var(--ease); pointer-events: none; white-space: nowrap; }
.toast.on { opacity: 1; transform: none; }
.toast b { color: var(--str); font-weight: 500; }

/* ---------- responsive ---------- */
/* tiles and the patch bay follow the width of the output pane, so they also adapt when the source editor is open */
@container out (max-width: 1040px) {
  .tile { grid-column: span 6; }
  .t-relay { grid-column: 1 / -1; }
  .bay-groups { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 22px; }
}
@container out (max-width: 820px) {
  .pj .k { display: none; }
  .pj .nm { font-size: 15px; }
  .wl-head { gap: 18px; }
}
@container out (max-width: 640px) {
  .tile { grid-column: 1 / -1; padding: 16px 16px 12px; border-radius: 18px; }
  canvas.sim, .tile.big canvas.sim { height: 240px; }
  .t-q { min-height: 0; }
  .sim-read { flex-basis: 100%; margin-left: 0; text-align: left; }
  .t-foot { flex-wrap: wrap; }
  .bay-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .links a i { display: none; }
  .head { display: none; }
}
@media (max-width: 900px) {
  :root { --gx: 18px; --gap: 26px; --pr: 20px; --nav-h: 58px; }
  .links { display: none; }
  .minimap { display: none; }
  .pill-btn span { display: none; }
  .spec { margin: 2.4vh 0 2vh; }
  .spec canvas { height: clamp(210px, 64vw, 340px); }
  .hero-row { grid-template-columns: 1fr; }
  .hear { justify-items: start; }
  .hear-cap { text-align: left; }
  .hear-btns { justify-content: flex-start; }
  .wl-head { grid-template-columns: minmax(0, 1fr) 32px; grid-template-areas: "k p" "n n"; gap: 8px 14px; padding: 18px 0; }
  .wl-k { grid-area: k; font-size: clamp(28px, 8vw, 44px); }
  .wl-n { grid-area: n; flex-direction: row; align-items: baseline; gap: 10px; text-align: left; }
  .wl-n b { font-size: 26px; }
  .wl-n i { margin: 0; }
  .wl-plus { grid-area: p; width: 32px; height: 32px; }
  .wl-head:hover .wl-k { transform: none; }
  .wl-proof p { padding-bottom: 6px; }
  .wl-proof a { padding-bottom: 20px; }
  .who-aside { gap: 12px; }
  /* phones: no cables; skills are chips and the readout rides along at the top */
  .bay { display: flex; flex-direction: column; }
  .cables { display: none; }
  .bay-groups { display: flex; flex-direction: column; gap: 14px; padding-left: 0; }
  .bg { display: flex; flex-wrap: wrap; gap: 6px; }
  .bg-h { width: 100%; padding: 0; }
  .sk { width: auto; height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg2); }
  .sk .jack, .sk .since { display: none; }
  .sk.on { color: var(--acc-ink); border-color: var(--acc-ink); }
  .bay-jacks { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 22px; }
  .pj { flex-direction: row; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg2); text-align: left; }
  .pj .jack { flex: none; width: 10px; height: 10px; box-shadow: none; }
  .pj:hover .jack, .pj.on .jack { box-shadow: none; }
  .pj .nm { font-size: 17px; }
  .bay-read { order: -1; position: sticky; top: calc(var(--nav-h) + 8px); z-index: 4; margin: 0 0 16px; min-height: 0; padding: 12px 14px; border: 1px solid var(--line2); border-radius: 14px; background: var(--bg3); box-shadow: 0 18px 40px -18px rgba(0,0,0,.6); }
  .bay-read b { font-size: 22px; }
  .chap { width: 88vw; padding: calc(var(--nav-h) + 19vh) 22px 15vh calc(var(--gx) + var(--gap)); }
  .chap h3 { font-size: clamp(34px, 9vw, 48px); }
  .chap .events { display: none; }
  .chap .events.grew { display: block; }
  .chap .big { font-size: 44vw; bottom: 12vh; }
  .stage-top { flex-direction: column; gap: 4px; }
  .counters { justify-content: flex-start; gap: 12px; }
  .rail button span { font-size: 9.5px; }
  .case-grid { grid-template-columns: 1fr; gap: 10px 0; }
  .case-grid h4 { margin-top: 18px; }
  .source .app { grid-template-columns: 1fr; }
  .source .editor { position: fixed; z-index: 65; left: 0; right: 0; bottom: 0; top: auto; height: 62vh; border-right: 0; border-top: 1px solid var(--line2); border-radius: 16px 16px 0 0; box-shadow: 0 -30px 80px rgba(0,0,0,.5); animation: sheetIn .45s var(--ease); }
  @keyframes sheetIn { from { transform: translateY(100%); } }
  .term { bottom: 12px; height: 56vh; }
}
@media (max-width: 420px) {
  .btn { height: 44px; padding: 0 16px; }
  .t-links { gap: 12px; }
}

/* ---------- motion off (config.motion = false or OS reduced motion) ---------- */
.no-motion *, .no-motion *::before, .no-motion *::after { animation: none !important; transition: none !important; }
.no-motion .rv { opacity: 1; transform: none; }
.no-motion .split .w > span { transform: none; }