/* Game Lab. Dark test-bench surface built from the portfolio's own palette
   and type system (Fraunces / Outfit / JetBrains Mono). */
:root{
  --lab-bg:#17130E;
  --lab-panel:#1F1A14;
  --lab-paper:#F5F1E8;
  --lab-mute:#A79E90;
  --lab-line:rgba(245,241,232,.13);
  --lab-teal:#4FC3A1;
  --lab-terra:#E4805C;
  --lab-violet:#A79FEE;
  --lab-amber:#E0AC5C;
  --lab-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --lab-sans:'Outfit',system-ui,-apple-system,sans-serif;
  --lab-serif:'Fraunces',Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--lab-bg);color:var(--lab-paper);font-family:var(--lab-sans);font-weight:300;line-height:1.55;
  background-image:radial-gradient(600px circle at 16% 2%,rgba(79,195,161,.12),transparent 60%),radial-gradient(560px circle at 86% 14%,rgba(167,159,238,.11),transparent 58%),radial-gradient(rgba(245,241,232,.035) 1px,transparent 1px);
  background-size:auto,auto,5px 5px;-webkit-font-smoothing:antialiased}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--lab-teal);outline-offset:4px}
.lab-wrap{width:min(1180px,calc(100% - 40px));margin:auto}

.lab-nav{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--lab-line);background:rgba(23,19,14,.86)}
@supports (backdrop-filter:blur(1px)){.lab-nav{backdrop-filter:blur(16px)}}
.lab-nav .lab-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.lab-brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-family:var(--lab-serif);font-size:17px}
.lab-brand b{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--lab-paper);color:var(--lab-bg);font:500 13px var(--lab-mono)}
.lab-links{display:flex;gap:8px}
.lab-links a{padding:8px 12px;border:1px solid var(--lab-line);border-radius:10px;color:var(--lab-mute);text-decoration:none;font:11px var(--lab-mono);transition:color .2s,border-color .2s}
.lab-links a:hover{color:#fff;border-color:var(--lab-teal)}

.lab-hero{display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:end;padding:92px 0 48px}
.lab-kicker{color:var(--lab-teal);font:500 10px var(--lab-mono);letter-spacing:2px;text-transform:uppercase}
.lab-hero h1{max-width:760px;margin:14px 0 18px;font-family:var(--lab-serif);font-weight:400;font-size:clamp(42px,7vw,88px);line-height:.96;letter-spacing:-.03em}
.lab-hero h1 em{color:var(--lab-violet);font-style:italic}
.lab-hero p{max-width:660px;margin:0;color:var(--lab-mute);font-size:17px;line-height:1.7}
.lab-readout{padding:20px;border:1px solid var(--lab-line);border-radius:18px;background:rgba(245,241,232,.035)}
.lab-readout span{display:block;color:var(--lab-mute);font:10px var(--lab-mono);text-transform:uppercase;letter-spacing:1px}
.lab-readout strong{display:block;margin:6px 0 14px;font-family:var(--lab-serif);font-weight:400;font-size:27px}
.lab-readout small{color:var(--lab-teal);font:10px/1.5 var(--lab-mono)}

.experiment-nav{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;padding:10px;border:1px solid var(--lab-line);border-radius:18px;background:rgba(245,241,232,.025)}
.experiment-tab{min-height:76px;padding:10px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--lab-mute);cursor:pointer;text-align:left;transition:background .2s,border-color .2s}
.experiment-tab b{display:block;margin-bottom:5px;color:var(--lab-paper);font:500 12px var(--lab-sans)}
.experiment-tab span{font:9px/1.35 var(--lab-mono)}
.experiment-tab:hover,.experiment-tab.active{background:rgba(245,241,232,.055);border-color:var(--lab-line)}
.experiment-tab.active{box-shadow:inset 0 -2px var(--lab-teal)}
.experiment-tab.complete b::after{content:' ✓';color:var(--lab-teal)}

.lab-stage{padding:22px 0 90px}
.experiment{display:none;min-height:580px;overflow:hidden;border:1px solid var(--lab-line);border-radius:24px;background:linear-gradient(145deg,rgba(245,241,232,.045),transparent 36%),var(--lab-panel)}
.experiment.active{display:grid;grid-template-columns:340px 1fr}
.experiment-copy{padding:38px;border-right:1px solid var(--lab-line);background:rgba(245,241,232,.022)}
.experiment-no{color:var(--lab-terra);font:500 10px var(--lab-mono);letter-spacing:2px}
.experiment-copy h2{margin:18px 0 12px;font-family:var(--lab-serif);font-weight:400;font-size:32px;line-height:1.05;letter-spacing:-.02em}
.experiment-copy p{color:var(--lab-mute);font-size:14px;line-height:1.7}
.rules{display:grid;gap:8px;margin-top:26px;padding:0;list-style:none}
.rules li{display:flex;gap:9px;color:#D8D2C7;font:10px/1.5 var(--lab-mono)}
.rules li::before{content:'→';color:var(--lab-teal)}
.experiment-play{display:grid;align-content:center;padding:clamp(24px,5vw,62px)}

.game-result{min-height:24px;margin-top:18px;color:var(--lab-teal);font:500 11px/1.6 var(--lab-mono)}
.game-result.bad{color:var(--lab-terra)}
.lab-button{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:9px 17px;border:1px solid var(--lab-line);border-radius:12px;background:transparent;color:var(--lab-paper);cursor:pointer;font:500 10px var(--lab-mono);transition:border-color .2s,color .2s,background .2s}
.lab-button:hover{border-color:var(--lab-teal);color:var(--lab-teal)}
.lab-button.primary{background:var(--lab-paper);border-color:var(--lab-paper);color:var(--lab-bg)}
.lab-button.primary:hover{background:var(--lab-teal);border-color:var(--lab-teal);color:var(--lab-bg)}
.button-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}

.quiz-progress{margin-bottom:14px;color:var(--lab-violet);font:500 10px var(--lab-mono)}
.quiz-question{margin:0 0 24px;font-family:var(--lab-serif);font-weight:400;font-size:clamp(24px,4vw,38px);line-height:1.1;letter-spacing:-.02em}
.quiz-options{display:grid;gap:10px}
.quiz-option{padding:17px 18px;border:1px solid var(--lab-line);border-radius:14px;background:rgba(245,241,232,.035);color:var(--lab-paper);cursor:pointer;text-align:left;font-size:15px;transition:border-color .2s,background .2s}
.quiz-option:hover:not(:disabled){border-color:var(--lab-violet);background:rgba(167,159,238,.08)}
.quiz-option.correct{border-color:var(--lab-teal);background:rgba(79,195,161,.11)}
.quiz-option.wrong{border-color:var(--lab-terra);background:rgba(228,128,92,.1)}

.pipeline-pool,.pipeline-line{display:flex;flex-wrap:wrap;gap:8px;min-height:70px;padding:12px;border:1px dashed var(--lab-line);border-radius:14px;align-items:center}
.pipeline-line{margin-top:16px;background:rgba(79,195,161,.035)}
.pipeline-empty{color:var(--lab-mute);font:10px var(--lab-mono)}
.pipe-card{padding:10px 13px;border:1px solid var(--lab-line);border-radius:10px;background:#27231E;color:#fff;cursor:pointer;font:500 10px var(--lab-mono);transition:border-color .2s}
.pipe-card:hover{border-color:var(--lab-teal)}
.pipeline-arrow{align-self:center;color:var(--lab-teal);font:10px var(--lab-mono)}

.cmyk-preview{position:relative;display:grid;place-items:center;height:290px;overflow:hidden;border:1px solid var(--lab-line);border-radius:18px;background:#F4F0E7;isolation:isolate}
.cmyk-mark{position:absolute;font:400 clamp(110px,19vw,200px)/1 var(--lab-serif);letter-spacing:-.06em;mix-blend-mode:multiply}
.cmyk-mark.k{color:#161616;transform:translate(0,0);opacity:.92}
.cmyk-mark.c{color:#00B7CE;transform:translate(var(--cx,12px),var(--cy,-7px))}
.cmyk-mark.m{color:#EA248A;transform:translate(var(--mx,-11px),var(--my,9px))}
.cmyk-mark.y{color:#F2D424;transform:translate(var(--yx,7px),var(--yy,12px))}
.cmyk-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.cmyk-controls label{display:grid;gap:7px;color:var(--lab-mute);font:10px var(--lab-mono)}
input[type=range]{width:100%;accent-color:var(--lab-teal)}

.arcade-wrap{display:grid;gap:12px}
.arcade-head{display:flex;justify-content:space-between;gap:12px;color:var(--lab-mute);font:10px var(--lab-mono)}
.arcade-head b{color:var(--lab-paper)}
#vector-canvas{display:block;width:100%;height:auto;aspect-ratio:16/9;border:1px solid var(--lab-line);border-radius:16px;background:#0F1815;touch-action:none}
.arcade-controls{display:flex;gap:8px;justify-content:center}
.arcade-controls button{width:58px;height:44px;border:1px solid var(--lab-line);border-radius:11px;background:rgba(245,241,232,.04);color:#fff;cursor:pointer}

.pipe-grid{display:grid;grid-template-columns:repeat(4,minmax(48px,86px));justify-content:center;gap:8px}
.pipe-piece{aspect-ratio:1;border:1px solid var(--lab-line);border-radius:13px;background:#141D1A;color:var(--lab-teal);cursor:pointer;font:32px/1 var(--lab-mono);transition:transform .18s,border-color .2s,background .2s}
.pipe-piece.locked{border-color:var(--lab-teal);background:rgba(79,195,161,.1)}
.pipe-ends{display:flex;justify-content:space-between;margin:0 auto 10px;width:min(100%,368px);color:var(--lab-amber);font:9px var(--lab-mono)}

.clicker-console{padding:22px;border:1px solid var(--lab-line);border-radius:18px;background:#12100C}
.clicker-value{font-family:var(--lab-serif);font-weight:400;font-size:clamp(50px,9vw,88px);line-height:1;color:var(--lab-teal);font-variant-numeric:tabular-nums}
.clicker-label{color:var(--lab-mute);font:10px var(--lab-mono)}
.click-main{width:100%;min-height:72px;margin:20px 0;border:1px solid var(--lab-teal);border-radius:16px;background:rgba(79,195,161,.09);color:var(--lab-teal);cursor:pointer;font:500 14px var(--lab-mono)}
.click-main:hover{background:rgba(79,195,161,.16)}
.upgrade-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.upgrade{padding:13px;border:1px solid var(--lab-line);border-radius:12px;background:rgba(245,241,232,.035);color:#fff;cursor:pointer;text-align:left;font:10px/1.5 var(--lab-mono)}
.upgrade:disabled{opacity:.42;cursor:not-allowed}
.upgrade b{display:block;color:var(--lab-amber);font-weight:500}

.lab-footer{padding:28px 0 110px;border-top:1px solid var(--lab-line);color:var(--lab-mute);font:10px/1.7 var(--lab-mono)}
.lab-foot-note{max-width:760px;margin:0 0 18px}
.lab-foot-bar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;padding-top:16px;border-top:1px solid var(--lab-line)}
.lab-footer a{color:var(--lab-mute);text-decoration:none;border-bottom:1px solid rgba(245,241,232,.22);transition:color .2s,border-color .2s}
.lab-footer a:hover{color:var(--lab-teal);border-color:var(--lab-teal)}
@media(max-width:560px){.lab-foot-bar{flex-direction:column}}

@media(max-width:900px){
  .lab-hero{grid-template-columns:1fr}
  .experiment-nav{grid-template-columns:repeat(3,1fr)}
  .experiment.active{grid-template-columns:1fr}
  .experiment-copy{border-right:0;border-bottom:1px solid var(--lab-line)}
  .experiment{min-height:0}
  .experiment-play{min-height:520px}
  .cmyk-controls{grid-template-columns:1fr}
}
@media(max-width:560px){
  .lab-wrap{width:min(100% - 22px,1180px)}
  .lab-links a:last-child{display:none}
  .lab-hero{padding-top:60px}
  .experiment-nav{grid-template-columns:1fr 1fr}
  .experiment-tab{min-height:64px}
  .experiment-copy,.experiment-play{padding:24px}
  .experiment-copy h2{font-size:27px}
  .experiment-play{min-height:480px}
  .upgrade-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .pipe-piece,.lab-button,.quiz-option,.lab-links a,.experiment-tab{transition:none}
}