/* ============================================================
   SLANGINATOR — "ASSEMBLY REQUIRED" design system
   A precision instrument, documented like an IKEA manual,
   glowing in the dark. Clarity always wins.
   ============================================================ */

/* ---------- Fonts (self-hosted) ---------- */
@font-face{font-family:"Baloo 2";font-style:normal;font-weight:700;font-display:swap;src:url("../assets/fonts/baloo-2-700.woff2") format("woff2")}
@font-face{font-family:"Baloo 2";font-style:normal;font-weight:800;font-display:swap;src:url("../assets/fonts/baloo-2-800.woff2") format("woff2")}
@font-face{font-family:"Instrument Sans";font-style:normal;font-weight:400;font-display:swap;src:url("../assets/fonts/instrument-sans-400.woff2") format("woff2")}
@font-face{font-family:"Instrument Sans";font-style:normal;font-weight:500;font-display:swap;src:url("../assets/fonts/instrument-sans-500.woff2") format("woff2")}
@font-face{font-family:"Instrument Sans";font-style:normal;font-weight:600;font-display:swap;src:url("../assets/fonts/instrument-sans-600.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("../assets/fonts/ibm-plex-mono-400.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("../assets/fonts/ibm-plex-mono-500.woff2") format("woff2")}

/* ---------- Tokens ---------- */
:root{
  /* the dark field */
  --bg:        #090d1c;   /* page void */
  --surface:   #0e1428;   /* panel */
  --surface-2: #131a33;   /* raised panel */
  --line:      #232c4e;   /* hairline on panel */
  --line-soft: #1a2140;

  /* light */
  --glow:      #4da3ff;   /* the electric blue — primary luminous accent */
  --glow-deep: #2d73e3;   /* inherited from v1 — the soul survives */
  --glow-dim:  rgba(77,163,255,.14);
  --ember:     #ffb454;   /* warm counter-accent: step badges, warnings, winks */

  /* ink */
  --ink:       #e9efff;
  --ink-soft:  #aab6d8;
  --ink-faint: #7583a6;

  /* type */
  --f-display: "Baloo 2", system-ui, sans-serif;
  --f-body:    "Instrument Sans", system-ui, sans-serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* geometry */
  --shell-max: 1200px;
  --r-panel:   14px;
  --r-ctrl:    10px;
  --stroke:    2px;            /* diagram stroke weight */
  --bezel-gap: 18px;           /* viewport bezel offset */

  /* motion */
  --ease-out:  cubic-bezier(.22,.9,.3,1);
  --t-fast:    .16s;
  --t-med:     .32s;
}

/* ---------- Reset-ish ---------- */
*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-body);
  font-size:16px;line-height:1.6;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--glow);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
::selection{background:var(--glow-deep);color:#fff}

/* ---------- The bezel (instrument frame around the viewport) ----------
   Refined descendant of v1's glow frame. Fixed hairline + soft light. */
.bezel::before{
  content:"";position:fixed;inset:var(--bezel-gap);z-index:60;
  border:1px solid var(--line);border-radius:calc(var(--r-panel) + 4px);
  pointer-events:none;
  box-shadow:
    0 0 0 1px rgba(77,163,255,.05),
    inset 0 0 60px rgba(9,13,28,.6);
}
.bezel::after{ /* the breathing light — two corners, very quiet */
  content:"";position:fixed;inset:var(--bezel-gap);z-index:59;
  border-radius:calc(var(--r-panel) + 4px);pointer-events:none;
  background:
    radial-gradient(420px 220px at 0% 0%,   rgba(77,163,255,.10), transparent 70%),
    radial-gradient(420px 220px at 100% 100%, rgba(45,115,227,.08), transparent 70%);
  animation:bezel-breathe 9s ease-in-out infinite;
}
@keyframes bezel-breathe{0%,100%{opacity:.55}50%{opacity:1}}

/* ---------- The stage (hard-clipped scroll container) ----------
   All page content lives inside; it CANNOT paint outside the inner border.
   The gutter beyond belongs entirely to the lens. */
html,body{height:100%;overflow:hidden}
#stage{
  position:fixed;inset:var(--bezel-gap);z-index:1;
  border-radius:calc(var(--r-panel) + 4px);
  overflow-y:auto;overflow-x:hidden;
  background:var(--bg);
  scroll-behavior:smooth;
  scrollbar-width:thin;scrollbar-color:var(--line) transparent;
}

/* ---------- Mouse-reactive background field ----------
   Sticky zero-height wrapper pinned to the stage top; pseudos paint the
   viewport-sized ambience. JS sets --mx/--my (viewport %). */
.field{
  position:sticky;top:0;height:0;z-index:0;pointer-events:none;
  --mx:50; --my:35;
}
.field::before{
  content:"";position:absolute;left:0;right:0;top:0;height:100vh;
  background:
    radial-gradient(700px 520px at calc(var(--mx)*1%) calc(var(--my)*1%),
      rgba(77,163,255,.07), transparent 70%);
}
.field::after{ /* blueprint grid, barely there */
  content:"";position:absolute;left:0;right:0;top:0;height:100vh;
  background-image:
    linear-gradient(rgba(77,163,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77,163,255,.045) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(900px 700px at calc(var(--mx)*1%) calc(var(--my)*1%), #000 0%, transparent 75%);
}

/* ---------- The lens (glass world behind the stage) ----------
   Full-viewport blurred clone, z-below the stage — visible only in the
   gutter because the stage is opaque. No clipping tricks needed. */
#lens{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background:var(--bg);
  filter:blur(32px) brightness(1.35) saturate(1.3)}
#lens .lens-inner{position:absolute;inset:0;will-change:transform}
#lens .lens-tint{position:absolute;inset:0;background:rgba(77,163,255,.07)}
.mt #lens .lens-tint{background:rgba(255,180,84,.09)}

/* ---------- Shell ---------- */
.shell{position:relative;z-index:1;width:min(var(--shell-max),100% - 44px);margin:0 auto}

/* ---------- Header ---------- */
.site-head{display:flex;align-items:center;justify-content:space-between;padding:34px 0 10px}
.site-head .logo img{width:190px;height:auto}
.site-nav{display:flex;gap:26px;font-family:var(--f-mono);font-size:13px;letter-spacing:.04em}
.site-nav a{color:var(--ink-soft);text-transform:lowercase}
.site-nav a:hover{color:var(--glow);text-decoration:none}
.site-nav a[aria-current="page"]{color:var(--ink)}

/* ---------- Type scale ---------- */
.h-display{font-family:var(--f-display);font-weight:800;font-size:clamp(38px,6vw,64px);line-height:1.04;letter-spacing:-.01em;margin:0}
.h-term{font-family:var(--f-display);font-weight:800;font-size:clamp(48px,8vw,92px);line-height:.98;margin:0;color:var(--ink);text-shadow:0 0 28px rgba(77,163,255,.25)}
h2,.h2{font-family:var(--f-display);font-weight:700;font-size:clamp(22px,3vw,30px);line-height:1.15;margin:0 0 .5em}
.lead{font-size:18px;color:var(--ink-soft);max-width:56ch}
.mono,.label{font-family:var(--f-mono)}
.label{font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint)}
.label--lit{color:var(--glow)}

/* ---------- Panels ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);padding:26px 28px}
.panel--raised{background:var(--surface-2)}
.panel--lit{border-color:rgba(77,163,255,.4);box-shadow:0 0 0 1px rgba(77,163,255,.12), 0 14px 42px rgba(9,13,28,.5), 0 0 44px rgba(77,163,255,.08)}

/* ---------- Step system (the manual voice) ---------- */
.step{display:flex;gap:16px;align-items:flex-start}
.step-no{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  border:var(--stroke) solid var(--ember);color:var(--ember);
  display:grid;place-items:center;
  font-family:var(--f-mono);font-weight:500;font-size:14px;
}
.step--lit .step-no{border-color:var(--ember);color:var(--ember);box-shadow:0 0 14px rgba(255,180,84,.35)}
.partcode{font-family:var(--f-mono);font-size:12px;color:var(--ink-faint);letter-spacing:.08em}

/* ---------- The input console ---------- */
.console{position:relative;border-radius:calc(var(--r-panel) + 4px);padding:2px;
  background:linear-gradient(135deg, rgba(77,163,255,.55), rgba(45,115,227,.12) 40%, rgba(77,163,255,.4));}
.console-inner{background:var(--surface);border-radius:var(--r-panel);padding:22px 24px;
  box-shadow:inset 0 10px 30px rgba(0,0,0,.35)}
.console textarea{
  width:100%;border:0;outline:0;background:transparent;resize:none;
  font-family:var(--f-body);font-weight:500;font-size:clamp(18px,2.2vw,23px);line-height:1.4;
  color:var(--ink);caret-color:var(--glow);
}
.console textarea::placeholder{color:var(--ink-faint);font-weight:400}
.console:focus-within{box-shadow:0 0 0 3px rgba(77,163,255,.18), 0 12px 40px rgba(77,163,255,.14)}
.console-row{display:flex;justify-content:space-between;align-items:center;margin-top:14px;gap:14px}
.console-hint{font-family:var(--f-mono);font-size:12px;color:var(--ink-faint)}

/* ---------- Controls ---------- */
.btn{
  appearance:none;border:0;cursor:pointer;border-radius:var(--r-ctrl);
  font-family:var(--f-mono);font-weight:500;font-size:14px;letter-spacing:.05em;
  padding:12px 22px;color:#fff;
  background:linear-gradient(180deg,#3f8ef2 0%,#2a68cf 100%);
  box-shadow:0 6px 18px rgba(45,115,227,.35), inset 0 1px 0 rgba(255,255,255,.18);
  transition:transform var(--t-fast) var(--ease-out), box-shadow var(--t-fast) var(--ease-out);
}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(45,115,227,.45), inset 0 1px 0 rgba(255,255,255,.22)}
.btn:active{transform:translateY(0) scale(.99)}
.btn--ghost{background:transparent;color:var(--ink-soft);border:1px solid var(--line);box-shadow:none}
.btn--ghost:hover{color:var(--glow);border-color:rgba(77,163,255,.4);box-shadow:0 0 18px rgba(77,163,255,.12)}

/* ---------- Feed cards (Trending / Just Added) ---------- */
.card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-panel);padding:18px 20px;color:inherit;
  transition:transform var(--t-fast) var(--ease-out), border-color var(--t-fast), box-shadow var(--t-fast);
}
.card:hover{text-decoration:none;transform:translateY(-2px);border-color:rgba(77,163,255,.45);
  box-shadow:0 10px 30px rgba(9,13,28,.55), 0 0 26px rgba(77,163,255,.10)}
.card .term{font-family:var(--f-display);font-weight:800;font-size:22px;line-height:1.1}
.card .tldr{color:var(--ink-soft);font-size:14px;margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{display:flex;justify-content:space-between;margin-top:10px}

/* ---------- Tags ---------- */
.tag{display:inline-block;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;
  padding:4px 10px;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft);text-transform:uppercase}
a.tag:hover{border-color:rgba(77,163,255,.5);color:var(--glow);text-decoration:none}

/* ---------- Diagram language ----------
   All SVG line art: stroke = currentColor, 2px, round caps. */
.diagram{color:var(--glow)}
.diagram svg{display:block;width:100%;height:auto}
.diagram [stroke]{stroke-linecap:round;stroke-linejoin:round}
.diagram .ink{color:var(--ink-soft)}
.diagram-caption{font-family:var(--f-mono);font-size:12px;color:var(--ink-faint);margin-top:10px;letter-spacing:.06em}

/* ---------- TL;DR callout (entry pages) ---------- */
.tldr-callout{
  border-left:var(--stroke) solid var(--glow);
  background:linear-gradient(90deg, rgba(77,163,255,.08), transparent 70%);
  padding:18px 22px;border-radius:0 var(--r-panel) var(--r-panel) 0;
  font-size:clamp(18px,2.4vw,24px);font-weight:500;line-height:1.45;
}

/* ---------- Footer ---------- */
.site-foot{margin:90px 0 60px;padding-top:26px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:14px;align-items:baseline;justify-content:space-between}
.scheme-line{color:var(--ink-soft);font-size:14px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
/* The NINE/8 LABS mark — the authentic lockup (gigalypse via Typekit ext7kft,
   as on nine8labs.com and the original slanginator footer). */
.n8l-mark{display:inline-flex;align-items:baseline;border-bottom:2px solid transparent;
  padding-bottom:1px;transition:border-color var(--t-fast)}
.n8l-mark:hover{text-decoration:none;border-bottom-color:var(--ember)}
.n8l-nine,.n8l-labs{font-family:"t26-carbon",var(--f-mono),sans-serif;font-weight:700;font-size:1em;line-height:1;letter-spacing:.02em;color:var(--ink)}
.n8l-eight{font-family:"gigalypse",var(--f-mono),sans-serif;font-weight:800;font-size:1em;line-height:1;color:#e2683f;margin:0 1px}
.site-foot .n8l-mark{font-size:18px}
.copyright{font-family:var(--f-mono);font-size:12px;color:var(--ink-faint)}

/* ---------- Utilities ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stack-s>*+*{margin-top:10px}
.stack-m>*+*{margin-top:22px}
.stack-l>*+*{margin-top:44px}
@media (max-width:820px){.grid-2,.grid-3{grid-template-columns:1fr}}
@media (max-width:640px){
  :root{--bezel-gap:10px}
  .site-head{flex-direction:column;gap:14px;align-items:flex-start}
  .console-hint{display:none}
  .console-row{justify-content:flex-end}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}