/* ============================================================
   BabzLabz — bench-night / oscilloscope lab aesthetic
   Dual accent system encodes the two halves of the site:
     phosphor cyan  -> GAMES / interactive
     led amber      -> ENGINEERING / terminal
   ============================================================ */

:root {
  /* surfaces */
  --bench:      #06080d;   /* page background, deep space */
  --bench-2:    #090d14;
  --panel:      #121925;   /* glass panel */
  --panel-2:    #161f2d;
  --line:       #1e2835;   /* hairline borders */
  --line-bright:#27374a;

  /* ink */
  --ink:        #e6edf3;
  --ink-dim:    #9aa7b6;
  --ink-faint:  #5d6b7c;

  /* accents */
  --phosphor:   #25e0c8;   /* games / primary trace */
  --phosphor-d: #11a692;
  --amber:      #f5a524;   /* engineering / terminal */
  --amber-d:    #c47f12;
  --magenta:    #ff3d81;   /* sparing pop */
  --ok:         #3ddc84;
  --warn:       #f5a524;

  /* type */
  --display: "Chakra Petch", system-ui, sans-serif;
  --body:    "IBM Plex Sans", system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SF Mono", monospace;

  --radius: 14px;
  --radius-s: 9px;
  --maxw: 1200px;
  --gut: clamp(18px, 4vw, 48px);

  --glow-phos: 0 0 0 1px rgba(37,224,200,.25), 0 0 26px -6px rgba(37,224,200,.55);
  --glow-amber: 0 0 0 1px rgba(245,165,36,.25), 0 0 26px -6px rgba(245,165,36,.5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--body);
  background: var(--bench);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  overflow-x: hidden;
}

/* the ambient bench backdrop */
#bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    linear-gradient(rgba(37,224,200,.045) 1px, transparent 1px) 0 0/170px 170px,
    linear-gradient(90deg, rgba(37,224,200,.045) 1px, transparent 1px) 0 0/170px 170px,
    linear-gradient(rgba(255,255,255,.016) 1px, transparent 1px) 0 0/34px 34px,
    linear-gradient(90deg, rgba(255,255,255,.016) 1px, transparent 1px) 0 0/34px 34px,
    radial-gradient(72vw 56vw at 82% -12%, rgba(37,224,200,.10), transparent 60%),
    radial-gradient(60vw 50vw at -8% 22%, rgba(255,61,129,.06), transparent 58%),
    radial-gradient(58vw 56vw at 50% 122%, rgba(124,77,255,.07), transparent 60%),
    radial-gradient(130% 100% at 50% -5%, #080b12, var(--bench) 72%);
  -webkit-mask-image: radial-gradient(140% 120% at 50% 0%, #000 60%, transparent 100%);
          mask-image: radial-gradient(140% 120% at 50% 0%, #000 60%, transparent 100%);
}
/* deep-space starfield (canvas) layered over the grid */
#trace { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

main, header, footer { position: relative; z-index: 1; }

a { color: var(--phosphor); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }

/* ---------- HUD header / status bar ---------- */
.hud {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  background: linear-gradient(var(--bench-2), rgba(10,14,20,.72));
  border-bottom: 1px solid var(--line);
}
.hud-row {
  display: flex; align-items: center; gap: 18px;
  height: 58px;
}
.brand {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--display); font-weight: 700; letter-spacing: .5px;
  font-size: 19px; color: var(--ink);
}
.brand .b1 { color: var(--ink); }
.brand .b2 { color: var(--phosphor); text-shadow: 0 0 18px rgba(37,224,200,.5); }
.brand .dot { color: var(--amber); }
.hud nav { margin-left: auto; display: flex; gap: 4px; }
.hud nav a {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .5px;
  color: var(--ink-dim); padding: 8px 12px; border-radius: 8px;
  text-transform: uppercase; text-decoration: none;
}
.hud nav a:hover { color: var(--ink); background: var(--panel); }
.telemetry {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint);
  padding-left: 14px; border-left: 1px solid var(--line);
}
.led { width: 8px; height: 8px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 10px var(--ok); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .led { animation: none; } }
.menu-btn { display:none; }

/* ---------- HERO ---------- */
.hero { padding: clamp(54px, 9vw, 120px) 0 clamp(40px, 6vw, 72px); }
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--phosphor); margin: 0 0 18px;
  display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content:""; width: 28px; height: 1px; background: var(--phosphor); display:inline-block; }
.hero h1 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(46px, 9vw, 104px); line-height: .96; margin: 0;
  letter-spacing: -1px;
}
.hero h1 .lab { color: var(--phosphor); text-shadow: 0 0 40px rgba(37,224,200,.35); }
.hero h1 .z { color: var(--amber); }
.hero p.lede {
  max-width: 620px; margin: 22px 0 0; font-size: clamp(16px, 2.2vw, 19px);
  color: var(--ink-dim);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  font-family: var(--mono); font-size: 13px; letter-spacing: .5px;
  padding: 12px 20px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--line-bright); background: var(--panel); color: var(--ink);
  text-transform: uppercase; transition: transform .15s ease, box-shadow .2s ease, border-color .2s;
  text-decoration: none; display: inline-flex; align-items: center; gap: 9px;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn.phos:hover { border-color: var(--phosphor); box-shadow: var(--glow-phos); }
.btn.amber:hover { border-color: var(--amber); box-shadow: var(--glow-amber); }
.btn .k { color: var(--phosphor); }
.btn.amber .k { color: var(--amber); }

/* two-module split readout under hero */
.modules { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 54px; }
.module {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--bench-2));
  padding: 22px; position: relative; overflow: hidden;
}
.module::after {
  content: attr(data-id); position: absolute; top: 16px; right: 18px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 1px;
}
.module h3 { font-family: var(--display); margin: 0 0 6px; font-size: 21px; }
.module.games h3 { color: var(--phosphor); }
.module.eng h3 { color: var(--amber); }
.module p { margin: 0; color: var(--ink-dim); font-size: 14.5px; }
.module .count { font-family: var(--mono); font-size: 13px; color: var(--ink); margin-top: 14px; }

/* ---------- generic section ---------- */
section.block { padding: clamp(56px, 8vw, 96px) 0; border-top: 1px solid var(--line); }
.sec-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 34px; flex-wrap: wrap; }
.sec-head .label {
  font-family: var(--mono); font-size: 12px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--ink-faint);
}
.sec-head h2 { font-family: var(--display); font-size: clamp(28px, 5vw, 44px); margin: 6px 0 0; letter-spacing: -.5px; }
.games-head h2 { color: var(--phosphor); }
.eng-head h2 { color: var(--amber); }
.sec-head .meta { font-family: var(--mono); font-size: 12.5px; color: var(--ink-dim); }

/* ---------- GAMES grid ---------- */
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 18px; }
.game-card {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--panel); cursor: pointer; text-align: left;
  display: flex; flex-direction: column; color: inherit; font: inherit; padding: 0;
  transition: transform .18s ease, box-shadow .25s ease, border-color .2s;
}
.game-card:hover { transform: translateY(-4px); border-color: var(--phosphor); box-shadow: var(--glow-phos); }
.game-cover {
  aspect-ratio: 16/10; background: var(--bench-2); position: relative;
  display: grid; place-items: center; overflow: hidden;
}
.game-cover img { width: 100%; height: 100%; object-fit: cover; }
.game-cover .ph {
  font-family: var(--display); font-size: 40px; color: var(--phosphor);
  opacity: .5; letter-spacing: 2px;
}
.game-cover .play-badge {
  position: absolute; bottom: 10px; right: 10px;
  font-family: var(--mono); font-size: 11px; color: var(--bench);
  background: var(--phosphor); padding: 4px 9px; border-radius: 6px; font-weight: 700;
  letter-spacing: .5px;
}
.game-body { padding: 15px 16px 17px; }
.game-body h4 { font-family: var(--display); margin: 0 0 5px; font-size: 17px; }
.game-body p { margin: 0; font-size: 13.5px; color: var(--ink-dim); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .5px; text-transform: uppercase;
  color: var(--ink-dim); border: 1px solid var(--line-bright); padding: 3px 8px; border-radius: 999px;
}

/* ---------- ENGINEERING / scripts ---------- */
.eng-list { display: flex; flex-direction: column; gap: 14px; }
.entry {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
  overflow: hidden;
}
.entry.open { border-color: var(--amber); }
.entry-head {
  width: 100%; text-align: left; cursor: pointer; padding: 18px 20px;
  display: flex; align-items: center; gap: 16px; background: transparent;
  border: 0; color: inherit; font: inherit;
}
.entry-head:hover { background: var(--panel-2); }
.entry .kind {
  font-family: var(--mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase;
  padding: 4px 8px; border-radius: 6px; border: 1px solid var(--line-bright); color: var(--ink-dim);
  white-space: nowrap;
}
.entry .kind.ps { color: var(--amber); border-color: rgba(245,165,36,.4); }
.entry .kind.doc { color: var(--phosphor); border-color: rgba(37,224,200,.4); }
.entry-title { flex: 1; min-width: 0; }
.entry-title h4 { font-family: var(--display); margin: 0; font-size: 17px; }
.entry-title p { margin: 3px 0 0; font-size: 13px; color: var(--ink-dim); }
.chev { color: var(--ink-faint); transition: transform .2s ease; flex: none; }
.entry.open .chev { transform: rotate(90deg); }
.entry-body { display: none; border-top: 1px solid var(--line); }
.entry.open .entry-body { display: block; }
.entry-body .doc-md { padding: 6px 22px 22px; color: var(--ink-dim); }
.doc-md h1,.doc-md h2,.doc-md h3 { font-family: var(--display); color: var(--ink); }
.doc-md code { font-family: var(--mono); font-size: .9em; background: var(--bench-2);
  padding: 1px 5px; border-radius: 4px; color: var(--phosphor); }
.doc-md pre code { background: none; padding: 0; }

/* code block */
.codewrap { position: relative; }
.codebar {
  display: flex; align-items: center; gap: 10px; padding: 9px 14px;
  background: var(--bench-2); border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint);
}
.codebar .fname { color: var(--ink-dim); }
.codebar .dots { display: flex; gap: 6px; }
.codebar .dots i { width: 9px; height: 9px; border-radius: 50%; display: block; }
.codebar .dots i:nth-child(1){ background:#ff5f57; }
.codebar .dots i:nth-child(2){ background:#febc2e; }
.codebar .dots i:nth-child(3){ background:#28c840; }
.copy-btn {
  margin-left: auto; font-family: var(--mono); font-size: 11px; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line-bright); color: var(--ink-dim);
  padding: 4px 10px; border-radius: 6px; transition: .15s;
}
.copy-btn:hover { color: var(--ink); border-color: var(--amber); }
.copy-btn.copied { color: var(--ok); border-color: var(--ok); }
pre.code { margin: 0; max-height: 460px; overflow: auto; }
pre.code code { font-family: var(--mono); font-size: 13px; line-height: 1.6; display: block; padding: 16px 18px; }

/* ---------- PROJECTS ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 16px; }
.proj-card {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
  padding: 20px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .18s ease, box-shadow .25s ease, border-color .2s;
}
.proj-card:hover { transform: translateY(-3px); border-color: var(--line-bright); text-decoration: none;
  box-shadow: 0 0 0 1px var(--line-bright), 0 18px 40px -22px #000; }
.proj-card .repo { display: flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 13.5px; color: var(--ink); }
.proj-card .repo svg { color: var(--ink-dim); flex: none; }
.proj-card p { margin: 0; font-size: 13.5px; color: var(--ink-dim); }
.proj-meta { margin-top: auto; display: flex; align-items: center; gap: 16px; font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }
.proj-meta .lang { display: flex; align-items: center; gap: 6px; }
.proj-meta .lang::before { content:""; width: 9px; height: 9px; border-radius: 50%; background: var(--phosphor); }

/* ---------- player overlay ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 80; display: none;
  background: rgba(5,8,12,.86); backdrop-filter: blur(6px);
  padding: clamp(10px, 3vw, 34px);
}
.overlay.show { display: grid; place-items: center; }
.player {
  width: min(1100px, 100%); height: min(86vh, 760px);
  background: var(--bench-2); border: 1px solid var(--line-bright);
  border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  box-shadow: var(--glow-phos), 0 40px 120px -30px #000;
}
.player-bar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel); }
.player-bar h4 { font-family: var(--display); margin: 0; font-size: 16px; color: var(--phosphor); }
.player-bar .spacer { flex: 1; }
.player-bar a, .player-bar button {
  font-family: var(--mono); font-size: 12px; color: var(--ink-dim); background: transparent;
  border: 1px solid var(--line-bright); border-radius: 7px; padding: 6px 11px; cursor: pointer; text-decoration: none;
}
.player-bar a:hover, .player-bar button:hover { color: var(--ink); border-color: var(--phosphor); }
.player iframe { flex: 1; width: 100%; border: 0; background: #000; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 40px 0 60px; margin-top: 30px; }
.prompt { font-family: var(--mono); font-size: 13px; color: var(--ink-dim); }
.prompt .p { color: var(--phosphor); }
.prompt .cur { display:inline-block; width: 9px; height: 16px; background: var(--phosphor); vertical-align: -2px;
  margin-left: 3px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce){ .prompt .cur{ animation: none; } }
.foot-row { margin-top: 16px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot-x {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12.5px;
  color: var(--phosphor); text-decoration: none; padding: 6px 12px; border-radius: 8px;
  border: 1px solid rgba(37,224,200,.3); transition: box-shadow .2s, border-color .2s, transform .15s;
}
.foot-x:hover { text-decoration: none; border-color: var(--phosphor); box-shadow: var(--glow-phos); transform: translateY(-1px); }
footer .sub { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }

.empty { font-family: var(--mono); font-size: 13px; color: var(--ink-faint); padding: 28px;
  border: 1px dashed var(--line-bright); border-radius: var(--radius); text-align: center; }

/* focus visibility */
:focus-visible { outline: 2px solid var(--phosphor); outline-offset: 3px; border-radius: 4px; }

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .hud nav { display: none; position: absolute; top: 58px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bench-2); border-bottom: 1px solid var(--line); padding: 8px; }
  .hud nav.open { display: flex; }
  .hud nav a { padding: 12px; }
  .telemetry { display: none; }
  .menu-btn { display: inline-flex; margin-left: auto; background: var(--panel); border: 1px solid var(--line-bright);
    color: var(--ink); border-radius: 8px; padding: 8px 11px; cursor: pointer; font-family: var(--mono); font-size: 12px; }
  .modules { grid-template-columns: 1fr; }
}