/* MAXFIT — 3D Form Lab styles (loaded only on pages with the lab) */
/* =====================================================================
   3D FORM LAB
   ===================================================================== */
.lab{background:radial-gradient(circle at 30% 30%,rgba(226,55,44,.08),transparent 50%),var(--bg-2)}
.lab-intro{max-width:40ch;margin:0}
.lab-grid{display:grid;gap:1.6rem;grid-template-columns:1fr;align-items:start}
@media(min-width:1000px){.lab-grid{grid-template-columns:1.35fr 1fr}}
.lab-stage{position:relative;border:1px solid var(--line);border-radius:24px;overflow:hidden;aspect-ratio:4/4.1;min-height:340px;max-height:78vh;width:100%;
  background:radial-gradient(ellipse at 50% 75%,#1d1a26 0%,#121418 55%,#0d0e11 100%);transition:box-shadow .4s,border-color .4s}
.lab-stage::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 15% 10%,rgba(226,55,44,.18),transparent 40%),radial-gradient(circle at 90% 15%,rgba(106,88,184,.22),transparent 40%)}
.lab-stage:hover{border-color:rgba(226,55,44,.6);box-shadow:0 24px 70px rgba(226,55,44,.15)}
@media(min-width:1000px){.lab-stage{aspect-ratio:auto;height:min(76vh,680px)}}
.lab-stage canvas{position:relative;width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
.lab-stage canvas.is-drag{cursor:grabbing}
.lab-stage canvas:focus-visible{outline-offset:-4px}
.lab-tags{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.lab-tag{position:absolute;left:0;top:0;display:inline-flex;align-items:center;gap:.4rem;white-space:nowrap;font:700 .78rem/1 var(--font-body);letter-spacing:.02em;color:#fff;
  padding:.38rem .6rem .38rem .5rem;border-radius:8px;background:rgba(17,19,22,.82);border:1px solid rgba(53,194,122,.65);backdrop-filter:blur(6px);margin:-.95rem 0 0 .9rem;transition:border-color .3s,background .3s}
.lab-tag::before{content:"";position:absolute;left:-.9rem;top:50%;width:.9rem;height:1px;background:currentColor;opacity:.6}
.lab-tag::after{content:"";position:absolute;left:-1.15rem;top:calc(50% - 4px);width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(53,194,122,.25)}
.lab-tag.flip{margin-left:0;transform-origin:right}
.lab-tag.flip{translate:calc(-100% - .9rem) 0}
.lab-tag.flip::before{left:auto;right:-.9rem} .lab-tag.flip::after{left:auto;right:-1.15rem}
.lab-tag.is-bad{border-color:var(--warn);background:rgba(60,30,8,.88)} .lab-tag.is-bad::after{background:var(--warn);box-shadow:0 0 0 4px rgba(255,176,32,.3);animation:blink 1s infinite}
@media(max-width:600px){.lab-tag{font-size:.68rem;padding:.3rem .45rem}}
.lab-top{position:absolute;top:.8rem;left:.8rem;right:.8rem;display:flex;justify-content:space-between;gap:.5rem;pointer-events:none}
.lab-verdict{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .75rem;border-radius:99px;font:700 .9rem var(--font-body);transition:background .3s}
.lab-verdict.is-good{background:rgba(53,194,122,.18);color:#9ff0c6;border:1px solid rgba(53,194,122,.5)}
.lab-verdict.is-bad{background:rgba(255,176,32,.16);color:#ffd27a;border:1px solid rgba(255,176,32,.55)}
.lab-angle{font:700 1.35rem var(--font-head);letter-spacing:.04em;padding:.2rem .7rem;border-radius:10px;background:rgba(17,19,22,.7);border:1px solid var(--line-2)}
.lab-angle:empty{display:none}
.lab-views{position:absolute;right:.8rem;top:3.6rem;display:flex;flex-direction:column;gap:.35rem}
.lab-view{min-width:44px;height:36px;border-radius:10px;border:1px solid var(--line-2);background:rgba(17,19,22,.75);color:var(--soft);font:700 .8rem var(--font-body);cursor:pointer;display:grid;place-items:center;transition:background .2s,color .2s,border-color .2s}
.lab-view:hover{border-color:#fff;color:#fff} .lab-view.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.lab-hud{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:flex-end;gap:1rem;padding:.9rem 1rem;background:linear-gradient(0deg,rgba(0,0,0,.65),transparent);pointer-events:none}
.lab-reps{display:flex;align-items:baseline;gap:.35rem} .lab-reps b{font:800 2.3rem/1 var(--font-head)} .lab-reps small{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.72rem}
.lab-phase{position:relative;flex:1;display:flex;flex-direction:column;gap:.35rem;font-weight:600;font-size:.92rem;color:var(--soft)}
.lab-phase::before{content:"";order:2;height:4px;border-radius:4px;background:rgba(255,255,255,.12)}
.lab-phase i{order:3;position:absolute;left:0;right:0;bottom:0;height:4px;border-radius:4px;background:var(--grad-brand);transform-origin:0;transform:scaleX(0)}
.lab-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.8rem;text-align:center;padding:2rem}
.lab-fallback .ic{width:2.4rem;height:2.4rem;color:var(--warn)}
.lab-tabs{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:1rem}
.lab-tabs .chip-btn{padding:.38rem .85rem;min-height:38px;font-size:.9rem}
.lab-tabs .star{color:#ffd166}
.lab-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:1.2rem 1.3rem;margin-bottom:1rem}
.lab-meta{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap;margin-bottom:.4rem}
.lab-card h3{font-size:2rem;margin-bottom:.7rem}
.seg{display:inline-flex;gap:.3rem;flex-wrap:wrap}
.seg-form{display:grid;grid-template-columns:1fr 1fr;gap:.4rem;margin-bottom:.9rem;width:100%}
.seg-form .seg-btn{justify-content:center;border-radius:12px}
.seg-form [data-form="bad"].is-active{background:var(--warn);border-color:var(--warn);color:#2a1a00}
.lab-cue{font-weight:500;color:var(--soft)}
.lab-mistake{display:flex;gap:.5rem;align-items:flex-start;color:#ffd27a;font-weight:600}
.lab-mistake .ic{margin-top:.15rem}
.lab-steps{counter-reset:s;list-style:none;display:grid;gap:.4rem;margin:.4rem 0 .9rem}
.lab-steps li{counter-increment:s;display:flex;gap:.6rem;align-items:center;padding:.45rem .6rem;border-radius:10px;border:1px solid transparent;transition:background .3s,border-color .3s;color:var(--soft)}
.lab-steps li::before{content:counter(s);display:grid;place-items:center;flex:none;width:1.6rem;height:1.6rem;border-radius:50%;background:var(--line);font:700 .85rem var(--font-body);transition:background .3s}
.lab-steps li.is-now{background:rgba(226,55,44,.1);border-color:rgba(226,55,44,.45);color:#fff} .lab-steps li.is-now::before{background:var(--brand)}
.lab-breath{display:flex;gap:.5rem;align-items:center;margin:0;color:var(--muted);font-size:.92rem} .lab-breath .ic{color:#7cc7ff}
.muscle-bars{list-style:none;display:grid;gap:.55rem;margin:.6rem 0 1.1rem}
.muscle-bars li{display:grid;grid-template-columns:9.5rem 1fr;gap:.8rem;align-items:center;font-size:.95rem}
.muscle-bars i{display:block;height:.6rem;border-radius:99px;background:var(--line);overflow:hidden}
.muscle-bars b{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,#8a2a26,var(--brand),#ff8a5c);transition:width .12s linear}
.lab-controls{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-bottom:1rem}
.lab-controls select{width:auto;min-height:42px;padding:.4rem .7rem}
.lab-controls .seg-btn{min-height:42px;padding:.4rem .9rem;font-size:.92rem}
.lab h4{font-size:1.1rem;margin:0}

@media(max-width:700px){.lab-stage{aspect-ratio:3/4;max-height:74vh}.lab-views{top:3.2rem}.muscle-bars li{grid-template-columns:7.5rem 1fr}}