/* MPC SAMPLE // SECRET GUIDEBOOK BIBLE — shared design system
   darkweb terminal x Akai red / pad amber. No build step. */

:root {
  --void: #050506;
  --bg: #09090b;
  --panel: #101014;
  --panel-2: #15151b;
  --panel-3: #1c1c24;
  --line: #25252e;
  --line-2: #34343f;
  --ink: #ece9e4;
  --ink-dim: #a3a09a;
  --ink-faint: #67645f;
  --red: #e4002b;
  --red-2: #ff2a4f;
  --red-glow: rgba(228, 0, 43, .42);
  --amber: #ffb000;
  --amber-glow: rgba(255, 176, 0, .35);
  --orange: #ff5a1f;
  --blue: #1f8fe5;
  --green: #39e08a;
  --violet: #b583ff;
  --chassis: #e3dfda;
  --chassis-2: #cfcac4;
  --navy: #1b2645;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Chakra Petch", "Space Grotesk", system-ui, sans-serif;
  --radius: 10px;
  --max: 1440px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before { /* red bloom + grid */
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(1200px 520px at 78% -8%, rgba(228,0,43,.18), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(255,176,0,.07), transparent 60%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px) 0 0/ 100% 32px,
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px) 0 0/ 32px 100%,
    var(--void);
}
body::after { /* CRT scanlines */
  content: ""; position: fixed; inset: 0; z-index: 90; pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.028) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}
::selection { background: var(--red); color: #fff; }
a { color: var(--amber); text-decoration: none; }
a:hover { color: #fff; text-shadow: 0 0 12px var(--amber-glow); }
img, svg { max-width: 100%; }
code, kbd, pre, samp { font-family: var(--mono); }
code { font-size: .88em; background: rgba(255,255,255,.06); border: 1px solid var(--line); padding: .05em .4em; border-radius: 5px; color: #ffd27a; }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.15; margin: 0 0 .5em; letter-spacing: .01em; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); text-transform: uppercase; }
h3 { font-size: 1.2rem; text-transform: uppercase; letter-spacing: .04em; }
h4 { font-size: 1rem; color: var(--amber); text-transform: uppercase; letter-spacing: .06em; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; margin: 0 0 1em; }
li { margin: .25em 0; }
hr { border: 0; border-top: 1px dashed var(--line-2); margin: 2.5rem 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7,7,9,.86); backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.topbar-in { max-width: var(--max); margin: 0 auto; display: flex; align-items: center; gap: 18px; padding: 10px 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); white-space: nowrap; }
.brand:hover { color: var(--ink); text-shadow: none; }
.brand-mark { width: 30px; height: 30px; border-radius: 6px; background: var(--red); display: grid; grid-template: repeat(2,1fr)/repeat(2,1fr); gap: 3px; padding: 5px; box-shadow: 0 0 18px var(--red-glow); }
.brand-mark i { background: rgba(0,0,0,.55); border-radius: 2px; }
.brand-mark i:nth-child(1) { background: var(--amber); }
.brand b { font-family: var(--display); font-size: 1.05rem; letter-spacing: .06em; }
.brand b span { color: var(--red-2); }
.brand small { display: block; font: 600 .62rem/1 var(--mono); color: var(--ink-faint); letter-spacing: .2em; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  font: 600 .74rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-dim); padding: 9px 11px; border: 1px solid transparent; border-radius: 7px;
}
.nav a b { color: var(--red-2); margin-right: 6px; }
.nav a:hover { color: var(--ink); border-color: var(--line-2); text-shadow: none; }
.nav a[aria-current="page"] { color: #fff; border-color: var(--red); background: rgba(228,0,43,.12); box-shadow: inset 0 0 14px rgba(228,0,43,.25); }
.tb-btn {
  font: 600 .74rem/1 var(--mono); color: var(--ink-dim); background: var(--panel-2);
  border: 1px solid var(--line-2); border-radius: 7px; padding: 8px 10px; cursor: pointer; white-space: nowrap;
}
.tb-btn:hover { color: #fff; border-color: var(--amber); }
.tb-btn kbd { font-size: .68rem; color: var(--ink-faint); margin-left: 6px; }
.menu-btn { display: none; }

/* ---------- layout ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.section { padding: 56px 0 8px; }
.section-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.section-head .idx { font: 700 .8rem/1 var(--mono); color: var(--red-2); letter-spacing: .14em; }
.section-head p { color: var(--ink-dim); margin: 0; flex-basis: 100%; max-width: 75ch; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.with-toc { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: 32px; }
.toc { position: sticky; top: 84px; align-self: start; max-height: calc(100vh - 100px); overflow: auto; padding: 14px 0; border-right: 1px solid var(--line); }
.toc b { font: 700 .7rem/1 var(--mono); color: var(--ink-faint); letter-spacing: .18em; display: block; margin: 0 0 10px; }
.toc a { display: block; font: 500 .8rem/1.3 var(--mono); color: var(--ink-dim); padding: 6px 12px 6px 0; border-left: 2px solid transparent; padding-left: 10px; }
.toc a:hover, .toc a.on { color: var(--amber); border-left-color: var(--amber); text-shadow: none; }

/* ---------- hero ---------- */
.hero { padding: 54px 0 28px; position: relative; }
.kicker { font: 600 .75rem/1 var(--mono); letter-spacing: .26em; color: var(--red-2); text-transform: uppercase; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.kicker .blink { width: 9px; height: 9px; background: var(--red-2); border-radius: 50%; box-shadow: 0 0 10px var(--red-2); animation: blink 1.2s steps(2) infinite; }
@keyframes blink { 50% { opacity: .15; } }
.title {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2.3rem, 6.4vw, 5.6rem); line-height: .92; margin: 16px 0 14px; letter-spacing: -.01em;
  position: relative; display: inline-block;
}
.title .r { color: var(--red); text-shadow: 0 0 34px var(--red-glow); }
.title .o { -webkit-text-stroke: 1.5px var(--ink); color: transparent; }
.glitch { position: relative; }
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0; pointer-events: none; opacity: .8;
}
.glitch::before { color: var(--red-2); transform: translate(2px,0); clip-path: inset(0 0 66% 0); animation: gl1 4.2s infinite steps(1); }
.glitch::after { color: #3cf; transform: translate(-2px,0); clip-path: inset(62% 0 0 0); animation: gl2 3.7s infinite steps(1); mix-blend-mode: screen; }
@keyframes gl1 { 0%,92%,100% { transform: translate(0); clip-path: inset(0 0 100% 0); } 93% { transform: translate(3px,-1px); clip-path: inset(10% 0 60% 0); } 95% { transform: translate(-3px,1px); clip-path: inset(40% 0 30% 0); } 97% { transform: translate(2px,0); clip-path: inset(70% 0 5% 0); } }
@keyframes gl2 { 0%,88%,100% { transform: translate(0); clip-path: inset(100% 0 0 0); } 89% { transform: translate(-3px,1px); clip-path: inset(55% 0 20% 0); } 91% { transform: translate(3px,-2px); clip-path: inset(5% 0 75% 0); } }
.lede { font-size: clamp(1.02rem, 1.4vw, 1.2rem); color: var(--ink-dim); max-width: 72ch; }
.lede strong { color: var(--ink); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip { font: 600 .72rem/1 var(--mono); padding: 7px 10px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-dim); background: rgba(255,255,255,.02); }
.chip b { color: var(--amber); font-weight: 700; }

/* ---------- cards / terminal ---------- */
.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 14px; position: relative; min-width: 0;
}
.card::before { content: ""; position: absolute; left: -1px; top: 14px; bottom: 14px; width: 2px; background: var(--red); opacity: 0; transition: opacity .2s; }
.card:hover::before { opacity: 1; }
.card h3 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card .num { font: 700 .7rem/1 var(--mono); color: var(--void); background: var(--amber); padding: 4px 6px; border-radius: 4px; }
.card p:last-child, .card ul:last-child, .card ol:last-child { margin-bottom: 0; }
.card.red { border-color: rgba(228,0,43,.45); background: linear-gradient(180deg, rgba(228,0,43,.09), var(--panel)); }
.card.amber { border-color: rgba(255,176,0,.35); }
.card.green { border-color: rgba(57,224,138,.35); }
.muted { color: var(--ink-dim); }
.faint { color: var(--ink-faint); }
.small { font-size: .86rem; }
.mono { font-family: var(--mono); }

.term { background: #050607; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; box-shadow: 0 0 0 1px rgba(57,224,138,.05), 0 20px 50px rgba(0,0,0,.45); }
.term-bar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: #0e0f12; border-bottom: 1px solid var(--line); font: 600 .7rem/1 var(--mono); color: var(--ink-faint); letter-spacing: .1em; }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a2a32; }
.term-bar i:first-child { background: var(--red); }
.term-bar span { margin-left: 8px; }
.term pre { margin: 0; border: 0; border-radius: 0; background: transparent; }

pre {
  position: relative; background: #060708; border: 1px solid var(--line); border-radius: 8px;
  padding: 14px 16px; overflow: auto; font-size: .82rem; line-height: 1.55; color: #c7f5d8; margin: 0 0 1em;
}
pre .c { color: var(--ink-faint); }
pre .p { color: var(--red-2); user-select: none; }
.copy {
  position: absolute; top: 8px; right: 8px; font: 600 .66rem/1 var(--mono); letter-spacing: .1em;
  background: var(--panel-3); color: var(--ink-dim); border: 1px solid var(--line-2); border-radius: 6px; padding: 6px 8px; cursor: pointer; opacity: .75;
}
.copy:hover { opacity: 1; color: #fff; border-color: var(--green); }
.copy.ok { color: var(--green); border-color: var(--green); }

/* ---------- badges & sources ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; font: 700 .6rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; padding: 4px 7px; border-radius: 4px; border: 1px solid; vertical-align: middle; white-space: nowrap; }
.b-official { color: var(--amber); border-color: rgba(255,176,0,.5); background: rgba(255,176,0,.08); }
.b-verified { color: var(--green); border-color: rgba(57,224,138,.5); background: rgba(57,224,138,.08); }
.b-community { color: #7cc4ff; border-color: rgba(124,196,255,.45); background: rgba(31,143,229,.1); }
.b-experimental { color: var(--red-2); border-color: rgba(255,42,79,.55); background: rgba(228,0,43,.1); }
.b-conflict { color: var(--violet); border-color: rgba(181,131,255,.5); background: rgba(181,131,255,.08); }
.b-new { color: var(--void); background: var(--amber); border-color: var(--amber); }
.src { font: 600 .66rem/1 var(--mono); letter-spacing: .06em; color: var(--ink-faint); border-bottom: 1px dotted var(--ink-faint); margin-left: 4px; white-space: nowrap; }
.src:hover { color: var(--amber); border-color: var(--amber); }
.src::before { content: "["; } .src::after { content: "]"; }
.legend { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; font-size: .82rem; color: var(--ink-dim); }

/* ---------- keycaps ---------- */
kbd.k {
  display: inline-flex; align-items: center; justify-content: center; gap: 3px;
  font: 700 .66rem/1 var(--mono); letter-spacing: .05em; text-transform: uppercase; white-space: nowrap;
  min-width: 1.9em; padding: 5px 7px 4px; margin: 1px 1px; border-radius: 5px;
  color: #1b1b1f; background: linear-gradient(#d9d5cf, #b9b4ad); border: 1px solid #8f8a83; border-bottom-width: 3px;
  box-shadow: 0 1px 0 rgba(255,255,255,.3) inset; vertical-align: 1px;
}
kbd.k.shift { background: linear-gradient(#5c6575, #3f4756); color: #eef2f8; border-color: #262c37; }
kbd.k.pad { background: linear-gradient(#9a9ca2, #7d8086); color: #101114; border-color: #4c4e54; }
kbd.k.fx { background: linear-gradient(#ff7a3d, #ff4d00); color: #2a0b00; border-color: #a83300; }
kbd.k.play { background: linear-gradient(#3aa3f2, #1677c9); color: #f2f8ff; border-color: #0d4d86; }
kbd.k.rec { background: linear-gradient(#cfcac3, #aea9a2); border-color: #8f8a83; box-shadow: inset 0 -4px 0 var(--red); }
kbd.k.go { box-shadow: inset 0 -4px 0 #22b05c; }
kbd.k.fn { background: linear-gradient(#4b4f58, #31343b); color: #e8e8ea; border-color: #1c1e23; }
kbd.k.knob { border-radius: 999px; background: radial-gradient(circle at 40% 35%, #6a7380, #3b424d); color: #f0f2f5; border-color: #22262c; }
kbd.k.enc { border-radius: 999px; background: radial-gradient(circle at 40% 35%, #f2f0ec, #c3beb7); border-color: #8f8a83; }
kbd.k.hold::before { content: "HOLD"; font-size: .52rem; opacity: .65; margin-right: 3px; }
.plus { font: 700 .75rem var(--mono); color: var(--ink-faint); margin: 0 2px; }
.combo { white-space: nowrap; }

/* ---------- tables ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); margin: 0 0 1.2em; }
table.data { border-collapse: collapse; width: 100%; font-size: .88rem; }
table.data th, table.data td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { font: 700 .68rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--ink-faint); background: var(--panel-2); position: sticky; top: 0; }
table.data tr:last-child td { border-bottom: 0; }
table.data tr:hover td { background: rgba(255,176,0,.035); }
table.data td.n { font-family: var(--mono); color: var(--amber); white-space: nowrap; }
table.data td code { white-space: nowrap; }

/* ---------- steps (flow recipes) ---------- */
.flow { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.flow > li { counter-increment: s; position: relative; padding: 0 0 12px 38px; margin: 0; }
.flow > li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 1px; font: 700 .72rem/1 var(--mono); color: var(--void); background: var(--red); padding: 5px 5px; border-radius: 4px; }
.flow > li::after { content: ""; position: absolute; left: 12px; top: 26px; bottom: 2px; width: 1px; background: linear-gradient(var(--red), transparent); }
.flow > li:last-child::after { display: none; }
.recipe-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.recipe-head .glyph { width: 38px; height: 38px; border-radius: 8px; display: grid; place-items: center; font: 700 1rem var(--mono); color: var(--void); background: var(--amber); box-shadow: 0 0 16px var(--amber-glow); flex: none; }
.recipe-head h3 { margin: 0; }
.recipe-head small { display: block; font: 600 .68rem/1.2 var(--mono); color: var(--ink-faint); letter-spacing: .1em; }

/* ---------- callouts ---------- */
.callout { border: 1px solid var(--line-2); border-left: 3px solid var(--amber); background: rgba(255,176,0,.05); padding: 12px 14px; border-radius: 8px; margin: 0 0 1em; }
.callout.danger { border-left-color: var(--red); background: rgba(228,0,43,.07); }
.callout.ok { border-left-color: var(--green); background: rgba(57,224,138,.05); }
.callout.info { border-left-color: var(--blue); background: rgba(31,143,229,.06); }
.callout > b:first-child { font: 700 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; display: block; margin-bottom: 6px; }
.risk { display: inline-flex; gap: 3px; vertical-align: middle; margin-left: 6px; }
.risk i { width: 8px; height: 12px; border-radius: 2px; background: var(--line-2); }
.risk[data-l="1"] i:nth-child(-n+1), .risk[data-l="2"] i:nth-child(-n+2) { background: var(--green); }
.risk[data-l="3"] i:nth-child(-n+3) { background: var(--amber); }
.risk[data-l="4"] i:nth-child(-n+4), .risk[data-l="5"] i:nth-child(-n+5) { background: var(--red-2); }

/* ---------- facts strip ---------- */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.fact { background: var(--panel); padding: 14px; }
.fact b { display: block; font: 700 1.35rem/1.1 var(--display); color: var(--ink); }
.fact span { font: 600 .66rem/1.3 var(--mono); color: var(--ink-faint); letter-spacing: .12em; text-transform: uppercase; }

/* ---------- panel diagram ---------- */
.panel-shell { background: radial-gradient(ellipse at 50% 30%, rgba(255,255,255,.04), transparent 70%), var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 12px; position: relative; }
.panel-tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; padding: 4px 6px 10px; }
.shift-toggle {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none;
  font: 700 .75rem/1 var(--mono); letter-spacing: .1em; color: var(--ink-dim);
  background: var(--panel-3); border: 1px solid var(--line-2); padding: 8px 12px 8px 8px; border-radius: 8px;
}
.shift-toggle .cap { padding: 7px 12px; border-radius: 5px; background: linear-gradient(#5c6575, #3f4756); color: #eef2f8; border-bottom: 3px solid #1f242d; }
.shift-toggle[aria-pressed="true"] { color: #fff; border-color: var(--red); box-shadow: 0 0 18px var(--red-glow); }
.shift-toggle[aria-pressed="true"] .cap { background: linear-gradient(#ff4a63, #c4001f); border-bottom-color: #6d0011; }
#panel-svg { width: 100%; height: auto; display: block; }
#panel-svg .ctl { cursor: pointer; }
#panel-svg .ctl:hover .body, #panel-svg .ctl.hot .body { filter: drop-shadow(0 0 6px rgba(255,176,0,.9)); }
#panel-svg .lead { fill: none; stroke: #6b6860; stroke-width: 1.2; opacity: .75; transition: stroke .15s, opacity .15s; }
#panel-svg .dot { fill: var(--red); stroke: #fff; stroke-width: 1.5; }
.panel-labels { position: absolute; left: 0; top: 0; width: 100%; height: auto; z-index: 7; pointer-events: none; overflow: visible; }
#panel-labels .lbl { outline: none; }
#panel-labels .lbl:focus-visible .pill { opacity: 1 !important; stroke: var(--red-2); }
#panel-labels .lbl .pill { fill: rgba(6, 7, 9, .94); stroke: var(--amber); stroke-width: 1.3; opacity: 0; }
#panel-labels .lbl .t2 { transition: opacity .12s; }
.mag-strip { position: absolute; top: 0; bottom: 0; z-index: 8; touch-action: none; cursor: zoom-in; -webkit-tap-highlight-color: transparent; }
#panel-labels .lbl .t1 { font: 700 15px var(--display); fill: var(--ink); letter-spacing: .04em; }
#panel-labels .lbl .t2 { font: 600 11.5px var(--mono); fill: var(--ink-faint); letter-spacing: .04em; }
#panel-labels .lbl .t2.has { fill: #ff8a9c; }
#panel-svg .grp.hot .lead { stroke: var(--amber); opacity: 1; stroke-width: 2; }
#panel-labels .lbl.hot .t1 { fill: var(--amber); }
#panel-svg .legend-txt { font: 700 8.6px var(--sans); fill: #2a2d33; letter-spacing: .02em; }
#panel-svg .pad-txt { font: 700 8.4px var(--sans); fill: #c9d2ea; }
#panel-svg .pad-num { font: 700 8.4px var(--sans); fill: #8f9bbd; }
#panel-svg .btn-txt { font: 700 9px var(--sans); fill: #f4f4f6; letter-spacing: .02em; }
#panel-svg .btn-txt.dark { fill: #2a2d33; }
body.shift-on #panel-labels .lbl .t1 { fill: var(--ink-faint); }
body.shift-on #panel-labels .lbl .t2 { fill: var(--ink-faint); }
body.shift-on #panel-labels .lbl .t2.has { fill: #ff4a63; font-size: 14px; font-weight: 700; }
body.shift-on #panel-labels .lbl.hot .t1 { fill: var(--amber); }
body.shift-on #panel-svg .shift-legend { fill: #e4002b !important; }
body.shift-on #panel-svg .pad-txt { fill: #ff6b81; }
body.shift-on #panel-svg .shift-cap rect { fill: #e4002b; }
.panel-stage { position: relative; }
.panel-pop {
  position: absolute; left: 0; top: 0; z-index: 6; width: min(380px, calc(100% - 16px));
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 6px 14px; align-items: start;
  background: rgba(6, 7, 9, .96); backdrop-filter: blur(6px);
  border: 1px solid var(--amber); border-radius: 12px; padding: 14px 16px 12px;
  box-shadow: 0 22px 60px rgba(0,0,0,.65), 0 0 28px rgba(255,176,0,.16);
  opacity: 0; visibility: hidden; transform: translateY(6px) scale(.98); transform-origin: top left;
  transition: opacity .12s ease, transform .12s ease, visibility 0s linear .12s;
  pointer-events: none; overflow-y: auto; overscroll-behavior: contain;
}
.panel-pop.show { opacity: 1; visibility: visible; transform: none; transition: opacity .12s ease, transform .12s ease; }
.panel-pop.pinned { pointer-events: auto; border-color: var(--red-2); box-shadow: 0 22px 60px rgba(0,0,0,.7), 0 0 30px rgba(228,0,43,.3); }
.panel-pop::before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; border-radius: 12px 12px 0 0; background: linear-gradient(90deg, var(--red), var(--amber)); }
.panel-pop .pi-name { font: 700 1.1rem/1.1 var(--display); color: var(--amber); grid-column: 1 / -1; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding-right: 28px; }
.panel-pop .pi-k { font: 700 .64rem/1.8 var(--mono); color: var(--ink-faint); letter-spacing: .14em; text-transform: uppercase; }
.panel-pop .pi-v { font-size: .88rem; line-height: 1.5; min-width: 0; }
.panel-pop .pi-hint { grid-column: 1 / -1; font: 600 .62rem/1.4 var(--mono); color: var(--ink-faint); letter-spacing: .1em; border-top: 1px dashed var(--line-2); padding-top: 8px; margin-top: 2px; }
.panel-pop .pi-x { position: absolute; top: 9px; right: 9px; width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--line-2); background: var(--panel-3); color: var(--ink-dim); font: 700 .8rem/1 var(--mono); cursor: pointer; display: none; }
.panel-pop.pinned .pi-x { display: block; }
.panel-pop .pi-x:hover { color: #fff; border-color: var(--red-2); }
.panel-pop.compact { grid-template-columns: minmax(0, 1fr); gap: 2px; padding: 10px 11px 9px; border-radius: 10px; }
.panel-pop.compact .pi-name { font-size: .95rem; }
.panel-pop.compact .pi-k { line-height: 1.6; margin-top: 4px; }
.panel-pop.compact .pi-v { font-size: .78rem; line-height: 1.45; }
.panel-pop.compact kbd.k { font-size: .56rem; padding: 3px 5px 2px; }
.panel-pop.compact .pi-x { top: 6px; right: 6px; width: 24px; height: 24px; }
.rear-list { display: none; list-style: none; margin: 12px 0 0; padding: 0; grid-template-columns: minmax(0, 1fr); gap: 6px; }
.rear-list li { display: grid; grid-template-columns: 7.5em minmax(0, 1fr); gap: 10px; margin: 0; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); font-size: .85rem; }
.rear-list b { font: 700 .8rem/1.4 var(--display); color: var(--amber); letter-spacing: .04em; }
.rear-svg { width: 100%; height: auto; display: block; margin-top: 8px; }

.padgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; background: var(--navy); padding: 8px; border-radius: 10px; }
.padgrid > div { aspect-ratio: 1.15; background: linear-gradient(#8b8e95, #6e7178); border-radius: 6px; padding: 7px; display: flex; flex-direction: column; justify-content: space-between; color: #0d0e11; font: 700 .7rem/1.1 var(--sans); box-shadow: inset 0 -3px 0 rgba(0,0,0,.25); }
.padgrid > div b { font: 700 .62rem var(--mono); color: #1b2645; opacity: .8; }
.padgrid > div span { color: #fff; text-shadow: 0 1px 0 rgba(0,0,0,.4); font-size: .72rem; text-transform: uppercase; }
.padgrid > div:hover { background: linear-gradient(#ffc34d, #ff9d00); }

/* ---------- search modal ---------- */
.search-ov { position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.7); backdrop-filter: blur(4px); display: none; align-items: flex-start; justify-content: center; padding: 10vh 16px 16px; }
.search-ov.open { display: flex; }
.search-box { width: min(760px, 100%); background: #0b0b0e; border: 1px solid var(--red); border-radius: 12px; box-shadow: 0 0 60px rgba(228,0,43,.3); overflow: hidden; }
.search-box input { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line); color: var(--ink); font: 500 1.05rem var(--mono); padding: 16px 18px; outline: none; }
.search-box input::placeholder { color: var(--ink-faint); }
.search-res { max-height: 60vh; overflow: auto; padding: 6px; }
.search-res a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; padding: 10px 12px; border-radius: 8px; color: var(--ink); border: 1px solid transparent; }
.search-res a .sr-t { font-weight: 600; }
.search-res a .sr-c { grid-column: 1 / -1; font-size: .8rem; color: var(--ink-dim); }
.search-res a .sr-p { font: 600 .64rem var(--mono); color: var(--ink-faint); letter-spacing: .1em; text-transform: uppercase; }
.search-res a.sel, .search-res a:hover { background: rgba(228,0,43,.12); border-color: rgba(228,0,43,.4); text-shadow: none; }
.search-foot { font: 600 .66rem var(--mono); color: var(--ink-faint); padding: 8px 14px; border-top: 1px solid var(--line); letter-spacing: .08em; }

/* ---------- codex filter ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.filters button { font: 600 .7rem/1 var(--mono); letter-spacing: .06em; color: var(--ink-dim); background: var(--panel-2); border: 1px solid var(--line-2); padding: 8px 10px; border-radius: 999px; cursor: pointer; }
.filters button[aria-pressed="true"] { color: var(--void); background: var(--amber); border-color: var(--amber); }
.filter-input { width: 100%; max-width: 420px; background: var(--panel-2); border: 1px solid var(--line-2); color: var(--ink); border-radius: 8px; padding: 10px 12px; font: 500 .9rem var(--mono); margin-bottom: 10px; }
.filter-input:focus { outline: none; border-color: var(--amber); }

/* ---------- link lists ---------- */
.links { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.links li { margin: 0; }
.links a.ln { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 12px; align-items: start; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); color: var(--ink); }
.links a.ln:hover { border-color: var(--amber); text-shadow: none; background: var(--panel-2); }
.links a.ln .ic { grid-row: span 2; width: 34px; height: 34px; border-radius: 7px; display: grid; place-items: center; font: 700 .7rem var(--mono); color: var(--void); background: var(--ink-dim); }
.links a.ln b { font-weight: 600; overflow-wrap: anywhere; }
.links a.ln span { font-size: .84rem; color: var(--ink-dim); }
.links a.ln .ic.gh { background: #e6e6e6; } .links a.ln .ic.yt { background: var(--red); color: #fff; }
.links a.ln .ic.fo { background: var(--amber); } .links a.ln .ic.of { background: var(--red); color: #fff; }
.links a.ln .ic.pr { background: var(--blue); color: #fff; } .links a.ln .ic.to { background: var(--green); }
.url { font: 500 .72rem var(--mono); color: var(--ink-faint); overflow-wrap: anywhere; }

/* ---------- board diagram ---------- */
.board svg { width: 100%; height: auto; display: block; }
.board .chip-r { fill: #0c0d10; stroke: var(--line-2); stroke-width: 1.5; }
.board .chip-r.core { stroke: var(--red); stroke-width: 2; filter: drop-shadow(0 0 10px rgba(228,0,43,.5)); }
.board .bus { stroke: #3d3d48; stroke-width: 2; fill: none; stroke-dasharray: 6 5; animation: flow 1.6s linear infinite; }
.board .bus.hot { stroke: var(--amber); }
@keyframes flow { to { stroke-dashoffset: -22; } }
.board .ct { font: 700 13px var(--display); fill: var(--ink); }
.board .cs { font: 500 10.5px var(--mono); fill: var(--ink-dim); }
.board .bl { font: 600 9.5px var(--mono); fill: var(--amber); }

/* ---------- tools ---------- */
.tool { background: #07080a; border: 1px solid var(--line-2); border-radius: 12px; padding: 16px; }
.tool label { font: 700 .66rem/1 var(--mono); color: var(--ink-faint); letter-spacing: .14em; text-transform: uppercase; display: block; margin: 0 0 6px; }
.tool select, .tool input[type="text"], .tool input[type="number"] { background: var(--panel-2); color: var(--ink); border: 1px solid var(--line-2); border-radius: 7px; padding: 8px 10px; font: 500 .85rem var(--mono); }
.tool input[type="color"] { width: 54px; height: 36px; border: 1px solid var(--line-2); border-radius: 7px; background: var(--panel-2); padding: 2px; }
.btn { font: 700 .75rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #fff; background: var(--red); border: 0; border-radius: 7px; padding: 10px 14px; cursor: pointer; box-shadow: 0 0 18px rgba(228,0,43,.35); }
.btn:hover { background: var(--red-2); }
.btn.ghost { background: transparent; border: 1px solid var(--line-2); color: var(--ink-dim); box-shadow: none; }
.btn.ghost:hover { color: #fff; border-color: var(--amber); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.log { background: #030304; border: 1px solid var(--line); border-radius: 8px; height: 170px; overflow: auto; padding: 10px; font: 500 .74rem/1.5 var(--mono); color: #9ef0bf; margin: 0; }
.mini-pads { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; background: var(--navy); padding: 8px; border-radius: 10px; max-width: 360px; }
.mini-pads button { aspect-ratio: 1; border: 0; border-radius: 7px; background: linear-gradient(#8b8e95, #6e7178); color: #101114; font: 700 .7rem var(--mono); cursor: pointer; box-shadow: inset 0 -3px 0 rgba(0,0,0,.25); touch-action: manipulation; }
.mini-pads button.hit { background: linear-gradient(#ffd166, #ff9d00); box-shadow: 0 0 18px var(--amber-glow); }
.mini-pads button.sel { outline: 2px solid var(--red-2); outline-offset: 1px; }
.mini-pads button span { display: block; font-size: .56rem; opacity: .75; }

/* ---------- teaser ---------- */
.teaser { position: relative; border: 1px solid var(--red); border-radius: 16px; overflow: hidden; background: radial-gradient(ellipse at 80% 0%, rgba(228,0,43,.28), transparent 60%), #070708; }
.teaser::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(-45deg, rgba(228,0,43,.06) 0 12px, transparent 12px 24px); pointer-events: none; }
.teaser-in { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 28px; padding: 28px; align-items: center; }
.redact { background: var(--ink); color: var(--ink); border-radius: 2px; padding: 0 .2em; }
.redact:hover { background: transparent; color: var(--red-2); }
.countdown { font: 700 clamp(1.4rem, 3vw, 2.2rem)/1 var(--mono); color: var(--red-2); letter-spacing: .08em; text-shadow: 0 0 18px var(--red-glow); }
.lcd { background: #0b0f0c; border: 1px solid #22302a; border-radius: 8px; padding: 10px 12px; font: 600 .78rem/1.5 var(--mono); color: var(--amber); min-height: 64px; }

/* ---------- footer ---------- */
.foot { margin-top: 70px; border-top: 1px solid var(--line); background: #060607; }
.foot-in { max-width: var(--max); margin: 0 auto; padding: 26px 16px 40px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; font-size: .86rem; color: var(--ink-dim); }
.foot h4 { margin-bottom: 8px; }
.foot a { display: block; color: var(--ink-dim); padding: 2px 0; }
.foot a:hover { color: var(--amber); }
.foot .fine { grid-column: 1 / -1; font: 500 .72rem var(--mono); color: var(--ink-faint); border-top: 1px dashed var(--line); padding-top: 14px; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
.pager a { flex: 1 1 260px; border: 1px solid var(--line-2); border-radius: 10px; padding: 14px 16px; color: var(--ink); background: var(--panel); }
.pager a:hover { border-color: var(--red); text-shadow: none; }
.pager a small { display: block; font: 700 .66rem var(--mono); color: var(--ink-faint); letter-spacing: .14em; }
.pager a.next { text-align: right; }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .with-toc { grid-template-columns: minmax(0,1fr); }
  .toc { display: none; }
  .teaser-in { grid-template-columns: minmax(0,1fr); }
}
@media (max-width: 900px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: #08080a; border-bottom: 1px solid var(--line); padding: 10px 16px; }
  .nav.open { display: flex; }
  .menu-btn { display: inline-block; margin-left: auto; }
  .g2, .g3 { grid-template-columns: minmax(0,1fr); }
  .foot-in { grid-template-columns: minmax(0,1fr); }
  .brand small { display: none; }
}
@media (max-width: 700px) {
  .panel-shell { margin: 0 -16px; border-radius: 0; border-left: 0; border-right: 0; padding: 10px 0 12px; }
  .panel-tools { padding: 4px 14px 10px; }
  #panel-labels .lbl .t1 { font-size: 23px; }
  #panel-labels .lbl .t2 { font-size: 15px; }
  body.shift-on #panel-labels .lbl .t2.has { font-size: 17px; }
  .rear-svg { display: none; }
  .rear-list { display: grid; margin: 12px 14px 0; }
}
@media (max-width: 560px) {
  .g4 { grid-template-columns: minmax(0,1fr); }
  .tb-btn kbd { display: none; }
  .panel-pop { grid-template-columns: minmax(0,1fr); gap: 2px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- print: the one-page cheat sheet ---------- */
@media print {
  @page { size: landscape; margin: 8mm; }
  :root { --ink: #111; --ink-dim: #333; --ink-faint: #555; --line: #bbb; --line-2: #999; --panel: #fff; --panel-2: #fff; --panel-3: #eee; }
  body { background: #fff; color: #111; font-size: 9pt; }
  body::before, body::after, .topbar, .foot, .pager, .no-print, .panel-tools, .search-ov, .panel-pop { display: none !important; }
  .rv { opacity: 1 !important; transform: none !important; }
  .wrap { max-width: none; padding: 0; }
  .hero { padding: 0 0 4mm; }
  .title { font-size: 22pt; margin: 0; }
  .title .o { -webkit-text-stroke: 0; color: #111; }
  .glitch::before, .glitch::after, .lede, .meta-row { display: none; }
  .section { padding: 3mm 0 0; break-inside: avoid; }
  .card, .panel-shell, .tbl-wrap, .term { background: #fff !important; border-color: #999 !important; box-shadow: none !important; }
  .card { padding: 2.5mm; }
  .print-grid { display: grid !important; grid-template-columns: 1.15fr .85fr; gap: 4mm; }
  .print-break { break-before: page; }
  #panel-labels .lbl .t1 { fill: #111 !important; }
  #panel-labels .lbl .t2 { fill: #555 !important; opacity: 1 !important; }
  #panel-labels .lbl .t2.has { fill: #c4001f !important; }
  #panel-labels .lbl .pill, .mag-strip { display: none !important; }
  #panel-svg .lead { stroke: #777 !important; }
  a { color: #111; }
  .src { display: none; }
  pre { background: #f6f6f6; color: #111; }
}

/* secondary links under a card (links can't nest inside the card link) */
.links .alt { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px 0 0 58px; }
.links .alt .src { margin-left: 0; }