/* ==========================================================================
   Live Creation Lab — three functional concept panels
   ========================================================================== */

.lab{position:relative;z-index:1;padding:clamp(100px,13vw,164px) 0;border-block:1px solid var(--line);background:radial-gradient(ellipse 70% 60% at 82% 46%,rgba(44,74,170,.14),transparent 70%)}
.lab-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,7vw,110px);align-items:center}
.lab-lead{max-width:400px;margin-top:24px;color:#a8b0c0;font-size:14px;line-height:1.9}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.chip{position:relative;padding:12px 14px;border:1px solid #52658f;background:#0f1729;color:#b9c8ed;font:500 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;transition:background .3s,border-color .3s,color .3s,transform .4s var(--expo)}
.chip:hover{border-color:var(--blue-soft);color:#fff}
.chip[aria-selected="true"]{background:var(--blue);border-color:#6e91ff;color:#fff}
.chip:active{transform:scale(.97)}
.lab-note{margin-top:28px;max-width:360px;line-height:1.8}

.lab-window{position:relative;border:1px solid rgba(143,176,255,.24);background:#0a0e18;box-shadow:0 40px 100px rgba(0,0,0,.5);overflow:hidden}
.lab-top{height:46px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;border-bottom:1px solid var(--line-soft);font:500 10px/1 var(--mono);letter-spacing:.12em;color:#8e9dbb;text-transform:uppercase}
.lab-lights{display:flex;gap:6px}
.lab-lights i{width:7px;height:7px;border-radius:50%;background:#33405c}
.lab-body{position:relative;min-height:360px;padding:clamp(18px,2.6vw,28px)}
.lab-stage{position:relative;transition:opacity .28s var(--ease),transform .5s var(--expo);height:100%}
.lab-stage.is-swapping{opacity:0;transform:translate3d(0,10px,0)}
.lab-code{margin:0;padding:16px 20px;border-top:1px solid var(--line-soft);background:#080c14;font:500 12px/1.9 var(--mono);color:#7f96c8;min-height:146px;white-space:pre-wrap}
.lab-code .k{color:#8de4c1}
.lab-code .s{color:#ffd591}
.lab-code .n{color:#9fb8ff}
.lab-code .p{color:#6a7896}
.lab-status{display:flex;justify-content:space-between;gap:12px;padding:12px 16px;border-top:1px solid var(--line-soft);font:500 10px/1 var(--mono);letter-spacing:.1em;color:#7485a8;text-transform:uppercase}
.lab-status b{color:#80e6bd;font-weight:500}

/* shared mini controls inside the lab */
.lab-controls{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:22px}
.lab-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.lab-label{font:500 10px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lab-value{font:500 12px/1 var(--mono);color:#dbe6ff;font-variant-numeric:tabular-nums}

.l-range{-webkit-appearance:none;appearance:none;width:100%;height:2px;background:linear-gradient(90deg,var(--blue) var(--fill,50%),rgba(255,255,255,.14) var(--fill,50%));outline:none;margin:14px 0 4px}
.l-range::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 0 0 5px rgba(75,123,255,.25);cursor:pointer;transition:transform .3s var(--expo)}
.l-range::-webkit-slider-thumb:hover{transform:scale(1.15)}
.l-range::-moz-range-thumb{width:16px;height:16px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 5px rgba(75,123,255,.25);cursor:pointer}
.l-range:focus-visible{outline:2px solid var(--blue-soft);outline-offset:8px}

/* ---------- concept A: orbital product ---------- */
.lo-scene{position:relative;height:230px;display:grid;place-items:center;perspective:700px;overflow:hidden}
.lo-ring{position:absolute;width:262px;height:262px;border-radius:50%;border:1px dashed rgba(143,176,255,.45);transform:rotateX(var(--tilt,24deg));transition:transform .6s var(--expo)}
.lo-ring::after{content:"";position:absolute;left:50%;top:-4px;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:var(--blue-soft);box-shadow:0 0 14px var(--blue-soft);animation:loOrbit 9s linear infinite;transform-origin:4px 135px}
@keyframes loOrbit{to{transform:rotate(360deg)}}
.lo-sphere{position:relative;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle at 34% 30%,#ffffff 0,var(--c) 17%,color-mix(in srgb,var(--c) 32%,#05070d) 60%,#05070d 100%);box-shadow:0 0 70px color-mix(in srgb,var(--c) 28%,transparent),inset -22px -28px 56px rgba(0,0,0,.42);transition:background .6s var(--ease),box-shadow .6s var(--ease)}
.lo-caption{position:absolute;left:0;bottom:0;font:500 10px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lo-caption b{color:#fff;font-weight:500}
.lab-swatches{display:flex;gap:8px;flex-wrap:wrap}
.lab-swatch{position:relative;width:34px;height:34px;border-radius:50%;background:var(--sw);border:1px solid rgba(255,255,255,.22);transition:transform .4s var(--expo),box-shadow .4s}
.lab-swatch:hover{transform:scale(1.08)}
.lab-swatch[aria-checked="true"]{box-shadow:0 0 0 2px #06070b,0 0 0 4px #fff}
.lab-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-top:8px}

/* ---------- concept B: neon dashboard ---------- */
.ln-neon{position:relative}
.nk-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.nk{text-align:left;padding:14px;border:1px solid var(--line-soft);background:#0b1020;transition:border-color .3s,background .3s,opacity .3s}
.nk small{display:flex;align-items:center;gap:8px;font:500 9.5px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nk small i{width:8px;height:8px;border-radius:2px;background:var(--s)}
.nk b{display:block;margin-top:10px;font-size:20px;font-weight:800;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.nk[aria-pressed="true"]{border-color:color-mix(in srgb,var(--s) 55%,transparent);background:color-mix(in srgb,var(--s) 8%,#0b1020)}
.nk[aria-pressed="false"]{opacity:.5}
.nk:disabled{opacity:.5}
.neon-chart{margin-top:14px;width:100%;height:auto;overflow:visible}
.neon-chart path{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round;transition:opacity .4s var(--ease),d .8s var(--expo)}
.neon-chart .grid{stroke:rgba(143,176,255,.12);stroke-width:1}
.neon-chart .area{stroke:none;transition:opacity .4s var(--ease)}
.neon-hint{margin-top:8px;font:500 10px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---------- concept C: creative studio ---------- */
.ls-input{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);padding:10px 0 12px;font:700 26px/1.1 var(--sans);letter-spacing:-.03em;color:var(--ink);outline:none;transition:border-color .3s}
.ls-input:focus{border-color:var(--blue-soft)}
.ls-input::placeholder{color:#4e586d}
.ls-palette{display:grid;grid-template-columns:repeat(5,1fr);margin-top:20px;height:64px}
.ls-sw{position:relative;background:var(--c);transition:transform .5s var(--expo),filter .3s}
.ls-sw:hover{transform:translate3d(0,-4px,0)}
.ls-sw:focus-visible{outline-offset:-3px}
.ls-sw span{position:absolute;left:8px;bottom:6px;font:500 9px/1 var(--mono);letter-spacing:.06em;color:var(--sw-ink,#06070b);opacity:0;transition:opacity .3s}
.ls-sw:hover span,.ls-sw:focus-visible span{opacity:1}
.ls-preview{position:relative;margin-top:14px;height:168px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--line-soft);background:var(--bgc,#0d1120);transition:background .6s var(--ease)}
.ls-preview output{position:relative;z-index:1;max-width:92%;text-align:center;overflow-wrap:anywhere;color:var(--fg,#eef1f7);transition:color .6s var(--ease)}
.ls-preview::after{content:"";position:absolute;right:-40px;bottom:-60px;width:180px;height:180px;border-radius:50%;border:1px solid var(--accent,#8fb0ff);box-shadow:0 0 0 18px color-mix(in srgb,var(--accent,#8fb0ff) 6%,transparent),0 0 0 36px color-mix(in srgb,var(--accent,#8fb0ff) 4%,transparent);transition:border-color .6s}
.ls-font-serif{font-family:var(--serif);font-style:italic;font-weight:400;font-size:clamp(56px,7vw,92px);line-height:.95;letter-spacing:-.02em}
.ls-font-sans{font-family:var(--sans);font-weight:800;font-size:clamp(44px,5.6vw,76px);line-height:.95;letter-spacing:-.06em}
.ls-font-mono{font-family:var(--mono);font-weight:500;font-size:clamp(30px,3.6vw,46px);line-height:1.05;letter-spacing:-.02em;text-transform:uppercase}
.ls-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;align-items:center}
.ls-status{min-height:1.4em;margin-top:12px;color:#8ff3ec}

/* concept panel headings */
.lab-head{margin-bottom:22px}
.lab-h{margin:12px 0 10px;font-size:clamp(26px,2.8vw,36px);font-weight:800;letter-spacing:-.05em;line-height:1}
.lab-desc{max-width:460px;color:var(--muted);font-size:13px;line-height:1.7}

/* responsive */
@media (max-width:980px){
  .lab-layout{grid-template-columns:1fr;gap:44px}
  .lab-body{min-height:0}
}
@media (max-width:620px){
  .lo-scene{height:200px}
  .lo-ring{width:220px;height:220px}
  .lo-sphere{width:124px;height:124px}
  .nk-row{grid-template-columns:1fr 1fr 1fr;gap:6px}
  .nk{padding:10px}
  .nk b{font-size:17px}
  .nk small{font-size:8.5px;letter-spacing:.08em}
  .ls-palette{height:54px}
  .ls-input{font-size:22px}
}