/* Houdini VEX Lab - styles.
 * Dark charcoal / near-black with a vivid Houdini orange accent.
 */
:root{
  --bg:#0c0c0e;
  --bg2:#111114;
  --panel:#16161a;
  --panel2:#1c1c21;
  --line:rgba(255,255,255,.08);
  --line2:rgba(255,255,255,.05);
  --text:#ededf0;
  --muted:#a3a3ad;
  --dim:#6c6c78;

  --orange:#ff4713;     /* primary Houdini orange */
  --orange2:#ff6a00;    /* brighter orange */
  --amber:#ffb02e;      /* warm amber secondary */
  --orange-soft:rgba(255,71,19,.12);
  --grad:linear-gradient(120deg,#ff4713,#ff6a00 55%,#ffb02e);

  --code-bg:#0a0a0c;
  --code-text:#e9e3da;
  --green:#9bd66b;

  /* multi-color node accents (echo the concept's neon node cards) */
  --node-green:#7cd651;   /* snippets */
  --node-blue:#3b9eff;    /* globals */
  --node-purple:#a855f7;  /* HScript / expressions */
  --node-amber:#ffb02e;   /* $JOB generator */
  --node-cyan:#2dd4bf;    /* functions */
  --node-pink:#f472b6;    /* cheatsheets */

  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono','SFMono-Regular',Menlo,Consolas,'Liberation Mono',monospace;
  --maxw:1180px;
  --radius:14px;
  --t:.2s ease;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:
    linear-gradient(rgba(12,12,14,.86),rgba(12,12,14,.93)),
    url('../images/houdiniVEXLab_background.jpg') center top/cover no-repeat fixed,
    var(--bg);
  color:var(--text);font-family:var(--sans);line-height:1.6;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
code,pre{font-family:var(--mono)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(12,12,14,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:var(--maxw);margin:0 auto;padding:12px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand .brand-logo{height:34px;width:auto;display:block}
.brand .mark{width:34px;height:34px;flex-shrink:0;border-radius:9px}
.brand b{font-weight:800;font-size:1.18rem;color:#fff;letter-spacing:-.01em}
.brand .sub{display:block;font-size:.56rem;font-weight:700;letter-spacing:.26em;color:var(--dim);text-transform:uppercase;margin-top:2px}
.topbar-links{display:flex;gap:22px;align-items:center}
.topbar-links a{font-size:.74rem;font-weight:700;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.topbar-links a:hover{color:var(--text)}
@media(max-width:760px){.topbar-links a{display:none}}

/* ---------- hero ---------- */
.hero{position:relative;padding:64px 0 36px;overflow:hidden}
.hero::after{content:'';position:absolute;inset:0;z-index:-1;background:
  radial-gradient(680px 380px at 16% -4%,rgba(255,71,19,.16),transparent 62%),
  radial-gradient(560px 340px at 92% 8%,rgba(255,176,46,.10),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:center}
.hero-copy{max-width:720px}
.pill{display:inline-flex;align-items:center;gap:9px;font:700 11px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:#ffd2bf;background:var(--orange-soft);border:1px solid rgba(255,71,19,.32);padding:8px 13px;border-radius:30px;margin-bottom:20px}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 8px var(--orange)}
.hero h1{font-weight:800;font-size:clamp(2.4rem,5.6vw,4rem);line-height:1.02;letter-spacing:-.02em;margin-bottom:16px}
.hero p.lede{color:var(--muted);font-size:1.08rem;max-width:600px;margin-bottom:24px}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.hstat{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--orange2);border-radius:13px;padding:13px 18px;min-width:120px}
.hstat .v{font-weight:800;font-size:1.5rem;line-height:1;color:var(--orange2)}
.hstat .l{font-size:.66rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-top:6px}
/* node color-coding to match the concept's four feature cards */
.hstat-green{border-left-color:var(--node-green)}
.hstat-green .v{color:var(--node-green)}
.hstat-purple{border-left-color:var(--node-purple)}
.hstat-purple .v{color:var(--node-purple)}
.hstat-blue{border-left-color:var(--node-blue)}
.hstat-blue .v{color:var(--node-blue)}
.hstat-amber{border-left-color:var(--node-amber)}
.hstat-amber .v{color:var(--node-amber)}
.hero-note{margin-top:18px;font-size:.84rem;color:var(--dim)}
.hero-note b{color:var(--amber)}

/* hero artwork (node-graph) */
.hero-art{position:relative}
.hero-art img{width:100%;height:auto;border-radius:18px;border:1px solid rgba(255,176,46,.22);box-shadow:0 24px 70px rgba(0,0,0,.55),0 0 50px rgba(255,71,19,.16)}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-copy{max-width:none}
  .hero-art{order:2}
  .hero h1{font-size:clamp(2.2rem,9vw,3rem)}
}

/* ---------- tabs ---------- */
.tabsbar{position:sticky;top:59px;z-index:40;background:rgba(12,12,14,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.tabsbar-inner{max-width:var(--maxw);margin:0 auto;padding:0 22px;display:flex;align-items:center;gap:14px}
.tabs{flex:1;min-width:0;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.vl-palbtn{flex:0 0 auto;appearance:none;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:7px 11px;transition:var(--t)}
.vl-palbtn svg{width:15px;height:15px}
.vl-palbtn:hover{color:#fff;border-color:rgba(255,71,19,.5);background:var(--orange-soft)}
.vl-palbtn kbd{font-family:var(--mono);font-size:.7rem;color:var(--dim);background:var(--panel2);border:1px solid var(--line);border-radius:5px;padding:1px 5px}
@media(max-width:680px){.vl-palbtn span,.vl-palbtn kbd{display:none}.vl-palbtn{padding:7px 9px}}
.vl-tabbtn{appearance:none;background:none;border:none;cursor:pointer;font-family:inherit;color:var(--muted);font-weight:700;font-size:.86rem;padding:15px 16px;border-bottom:2px solid transparent;white-space:nowrap;display:inline-flex;align-items:center;gap:8px;transition:var(--t)}
.vl-tabbtn .n{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;border-radius:6px;background:var(--panel2);color:var(--dim);font-size:.7rem;padding:0 6px}
.vl-tabbtn:hover{color:var(--text)}
.vl-tabbtn.active{color:#fff;border-bottom-color:var(--orange)}
.vl-tabbtn.active .n{background:var(--orange-soft);color:var(--orange2)}
/* node color-coding for the four feature tabs: snippets / expressions / globals / $JOB */
.vl-tabbtn[data-tab="snippets"].active{border-bottom-color:var(--node-green)}
.vl-tabbtn[data-tab="functions"].active{border-bottom-color:var(--node-cyan)}
.vl-tabbtn[data-tab="expressions"].active{border-bottom-color:var(--node-purple)}
.vl-tabbtn[data-tab="globals"].active{border-bottom-color:var(--node-blue)}
.vl-tabbtn[data-tab="cheatsheets"].active{border-bottom-color:var(--node-pink)}
.vl-tabbtn[data-tab="project"].active{border-bottom-color:var(--node-amber)}

/* ---------- panels ---------- */
.main{padding:30px 0 70px}
.vl-panel{display:none;animation:fade .25s ease}
.vl-panel.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.vl-lead{color:var(--muted);max-width:760px;margin-bottom:22px;font-size:.96rem}

/* ---------- toolbar / search ---------- */
.vl-toolbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.vl-search{flex:1;min-width:240px;background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:12px 15px;color:var(--text);font-family:inherit;font-size:.92rem;transition:var(--t)}
.vl-search::placeholder{color:var(--dim)}
.vl-search:focus{outline:none;border-color:rgba(255,71,19,.55);box-shadow:0 0 0 3px var(--orange-soft)}
.vl-count{font-size:.8rem;color:var(--dim);font-weight:600;white-space:nowrap}

/* ---------- category chips ---------- */
.vl-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.vl-chip{appearance:none;cursor:pointer;font-family:inherit;font-size:.78rem;font-weight:600;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:30px;padding:7px 14px;transition:var(--t)}
.vl-chip:hover{color:var(--text);border-color:rgba(255,71,19,.4)}
.vl-chip.active{color:#1a0d06;background:var(--grad);border-color:transparent;font-weight:700}

/* ---------- snippet grid ---------- */
.vl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}
.vl-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 12px;display:flex;flex-direction:column;transition:var(--t)}
.vl-card:hover{border-color:rgba(255,71,19,.28);transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.35)}
.vl-card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:12px}
.vl-card-title{font-size:1rem;font-weight:700;color:#fff;line-height:1.3}
.vl-card-desc{font-size:.82rem;color:var(--muted);margin-top:4px}
.vl-tag{flex-shrink:0;font-size:.62rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--amber);background:rgba(255,176,46,.1);border:1px solid rgba(255,176,46,.25);border-radius:20px;padding:4px 9px;white-space:nowrap}
.vl-code{background:var(--code-bg);border:1px solid var(--line2);border-radius:10px;padding:13px 14px;overflow-x:auto;margin-bottom:10px}
.vl-code code{color:var(--code-text);font-size:.8rem;line-height:1.6;white-space:pre;display:block;font-family:var(--mono)}
.vl-card-bar{display:flex;justify-content:flex-end;gap:8px;margin-top:auto;padding-top:2px}

/* ---------- copy buttons ---------- */
.vl-copy{appearance:none;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:7px;font-size:.78rem;font-weight:600;color:var(--muted);background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:8px 13px;transition:var(--t)}
.vl-copy svg{width:14px;height:14px}
.vl-copy:hover{color:#fff;border-color:rgba(255,71,19,.5);background:var(--orange-soft)}
.vl-copy.done{color:var(--green);border-color:rgba(155,214,107,.4);background:rgba(155,214,107,.08)}
.vl-copy-mini{padding:7px 9px}
.vl-copy-mini span{display:none}

/* ---------- empty state ---------- */
.vl-empty{grid-column:1/-1;text-align:center;color:var(--muted);background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);padding:40px 20px;font-size:.95rem}

/* ---------- expressions ---------- */
.vl-group{margin-bottom:26px}
.vl-group-title{font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--orange2);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.vl-expr-row{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:13px 14px;margin-bottom:8px;transition:var(--t)}
.vl-expr-row:hover{border-color:rgba(255,71,19,.25)}
.vl-expr-main{flex:1;min-width:0}
.vl-expr-label{font-size:.82rem;font-weight:700;color:#fff;margin-bottom:6px}
.vl-expr-code{display:block;background:var(--code-bg);border:1px solid var(--line2);border-radius:8px;padding:9px 11px;color:var(--code-text);font-size:.82rem;overflow-x:auto;white-space:pre}
.vl-expr-note{font-size:.78rem;color:var(--muted);margin-top:7px}

/* ---------- globals table ---------- */
.vl-table-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;overflow-x:auto}
.vl-table{width:100%;border-collapse:collapse;min-width:480px}
.vl-table th{text-align:left;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);padding:13px 16px;border-bottom:1px solid var(--line);background:var(--bg2)}
.vl-table td{padding:11px 16px;border-bottom:1px solid var(--line2);vertical-align:middle}
.vl-table tr:last-child td{border-bottom:none}
.vl-table tbody tr:hover{background:rgba(255,71,19,.04)}
.vl-var{color:var(--orange2);font-weight:700;font-size:.86rem}
.vl-var-meaning{color:var(--muted);font-size:.86rem}
.vl-th-copy,.vl-td-copy{width:1%;white-space:nowrap;text-align:right}

/* ---------- project generator ---------- */
.vl-proj-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:18px}
.vl-proj-label{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.vl-proj-input{flex:1;min-width:200px;max-width:360px}
.vl-btn{appearance:none;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:9px;font-size:.84rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border-radius:11px;padding:12px 18px;border:1px solid var(--line);color:var(--text);background:var(--panel2);transition:var(--t)}
.vl-btn svg{width:16px;height:16px}
.vl-btn:hover{border-color:rgba(255,71,19,.5);color:#fff}
.vl-btn-primary{background:var(--grad);color:#1a0d06;border-color:transparent;text-transform:uppercase;letter-spacing:.06em;font-weight:700;box-shadow:0 6px 20px rgba(255,71,19,.26)}
.vl-btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,71,19,.4);color:#1a0d06}
.vl-proj-block{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.vl-proj-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.vl-proj-cols .vl-proj-block{margin-bottom:0}
.vl-tree code{color:#ffd9c7}
@media(max-width:720px){.vl-proj-cols{grid-template-columns:1fr}}

/* ---------- toast ---------- */
.vl-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(12px);z-index:2147483647;background:rgba(20,20,24,.97);color:#fff;border:1px solid rgba(255,71,19,.45);border-radius:11px;padding:11px 17px;font-size:.85rem;font-weight:600;box-shadow:0 12px 34px rgba(0,0,0,.55);opacity:0;pointer-events:none;transition:opacity .22s,transform .22s}
.vl-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:30px 22px;text-align:center;color:var(--dim);font-size:.82rem}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--orange2)}
.footer .disclaimer{max-width:760px;margin:14px auto 0;font-size:.74rem;color:var(--dim);line-height:1.6}

/* ---------- favourites (star) ---------- */
.vl-card-bar-split{justify-content:space-between}
.vl-star{appearance:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--panel2);color:var(--dim);transition:var(--t)}
.vl-star svg{width:16px;height:16px;fill:none}
.vl-star:hover{color:var(--amber);border-color:rgba(255,176,46,.5)}
.vl-star.on{color:var(--amber);border-color:rgba(255,176,46,.5);background:rgba(255,176,46,.1)}
.vl-star.on svg{fill:var(--amber)}
.vl-chip-fav{color:var(--amber)}
.vl-chip-fav.active{background:linear-gradient(120deg,#ffb02e,#ff6a00);border-color:transparent;color:#1a0d06}

/* ---------- function reference ---------- */
.vl-fnlist{display:flex;flex-direction:column;gap:8px}
.vl-fn{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:13px 14px;transition:var(--t)}
.vl-fn:hover{border-color:rgba(45,212,191,.32)}
.vl-fn-main{flex:1;min-width:0}
.vl-fn-head{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.vl-fn-name{font-family:var(--mono);font-weight:700;font-size:.92rem;color:var(--node-cyan)}
.vl-fn-sig{display:block;background:var(--code-bg);border:1px solid var(--line2);border-radius:8px;padding:8px 11px;color:var(--code-text);font-family:var(--mono);font-size:.8rem;overflow-x:auto;white-space:pre;margin-bottom:6px}
.vl-fn-desc{font-size:.82rem;color:var(--muted)}

/* ---------- cheatsheets (attributes + hotkeys) ---------- */
.vl-sub{font-size:.95rem;font-weight:800;color:#fff;margin:26px 0 12px;letter-spacing:.01em}
.vl-sub:first-of-type{margin-top:6px}
.vl-type{font-family:var(--mono);font-size:.76rem;color:var(--node-cyan);background:rgba(45,212,191,.1);border:1px solid rgba(45,212,191,.22);border-radius:6px;padding:2px 7px;white-space:nowrap}
.vl-ctx{font-size:.78rem;color:var(--muted);white-space:nowrap}
.vl-keys{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.vl-key-group{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.vl-key-title{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--node-pink);margin-bottom:10px}
.vl-key-row{display:flex;align-items:baseline;gap:12px;padding:7px 0;border-top:1px solid var(--line2)}
.vl-key-row:first-of-type{border-top:none}
.vl-kbd{flex:0 0 auto;font-family:var(--mono);font-size:.74rem;color:#fff;background:var(--panel2);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:3px 8px;white-space:nowrap}
.vl-key-action{font-size:.84rem;color:var(--muted)}

/* ---------- command palette ---------- */
body.vl-pal-open{overflow:hidden}
.vl-pal{position:fixed;inset:0;z-index:2147483646;background:rgba(6,6,8,.62);backdrop-filter:blur(3px);display:flex;align-items:flex-start;justify-content:center;padding:14vh 18px 18px}
.vl-pal[hidden]{display:none}
.vl-pal-box{width:100%;max-width:600px;background:var(--bg2);border:1px solid var(--line);border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.6);overflow:hidden;display:flex;flex-direction:column;max-height:72vh;animation:fade .18s ease}
.vl-pal-input{appearance:none;border:none;background:var(--panel);color:var(--text);font-family:inherit;font-size:1rem;padding:16px 18px;border-bottom:1px solid var(--line)}
.vl-pal-input:focus{outline:none}
.vl-pal-input::placeholder{color:var(--dim)}
.vl-pal-results{overflow-y:auto;padding:8px}
.vl-pal-hint{font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);padding:8px 10px 4px}
.vl-pal-empty{color:var(--muted);font-size:.88rem;padding:22px 14px;text-align:center}
.vl-pal-row{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:10px 12px;border-radius:9px;cursor:pointer}
.vl-pal-row.sel{background:var(--orange-soft);box-shadow:inset 0 0 0 1px rgba(255,71,19,.4)}
.vl-pal-main{min-width:0}
.vl-pal-label{font-size:.9rem;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vl-pal-sub{font-size:.76rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vl-pal-kind{flex:0 0 auto;font-size:.62rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--dim);background:var(--panel2);border:1px solid var(--line);border-radius:20px;padding:3px 9px}
.vl-pal-foot{display:flex;gap:18px;padding:10px 16px;border-top:1px solid var(--line);background:var(--panel);font-size:.74rem;color:var(--dim)}
.vl-pal-foot b{font-family:var(--mono);color:var(--muted);font-weight:700}
@media(max-width:560px){.vl-pal-foot{gap:12px}.vl-pal-kind{display:none}}

/* ---------- cross-product (Hive) integration ---------- */
.bizzi-pro-badge{display:inline-flex;align-items:center;gap:7px;font-size:.74rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#1a0d06;background:linear-gradient(120deg,#ff8a1e,#ffb02e);border-radius:30px;padding:5px 12px}
.bizzi-pro-badge:hover{filter:brightness(1.06)}
.bizzi-pro-badge .bizzi-dot{width:7px;height:7px;border-radius:50%;background:#1a0d06;box-shadow:0 0 0 2px rgba(26,13,6,.25)}
.bizzi-sendhive{border-color:rgba(255,71,19,.5);color:#fff;background:var(--orange-soft)}
.bizzi-sendhive:hover{border-color:var(--orange2);background:rgba(255,71,19,.18)}
.bizzi-sendhive.upsell{opacity:.85;border-color:var(--line);background:var(--panel2);color:var(--muted)}
.bizzi-sendhive.upsell:hover{color:#fff;border-color:rgba(255,71,19,.5)}
.bizzi-sendhive.bizzi-pending{opacity:.6;cursor:progress}