.stt-lab{--stt-bg:#0a0a0a;--stt-cyan:#22d3ee;--stt-ink:#f5f5f5;--stt-muted:#a1a1aa;--stt-line:#22d3ee47;background:var(--stt-bg);min-height:100vh;color:var(--stt-ink)}.stt-shell{width:min(1120px,100% - 2rem);margin:0 auto;padding:2rem 0 3rem}.stt-hero{margin-bottom:1.25rem}.stt-hero-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.stt-eyebrow{letter-spacing:.06em;color:var(--stt-cyan);margin:0 0 .4rem;font-size:.75rem;font-weight:600}.stt-hero h1{letter-spacing:-.02em;margin:0;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;line-height:1.15}.stt-hero h1 em{color:var(--stt-cyan);font-style:normal}.stt-lead{max-width:36rem;color:var(--stt-muted);margin:.75rem 0 0;font-size:.95rem;line-height:1.55}.stt-toolbar{flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:.75rem;display:flex}.stt-chip{border:1px solid var(--stt-line);color:var(--stt-muted);border-radius:999px;align-items:center;padding:.35rem .75rem;font-size:.75rem;display:inline-flex}.stt-chip-ok{color:var(--stt-cyan);border-color:#22d3ee8c}.stt-btn{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:.5rem;justify-content:center;align-items:center;padding:.45rem .85rem;font-weight:600;text-decoration:none;display:inline-flex}.stt-btn-sm{font-size:.8rem}.stt-btn-cyan{background:var(--stt-cyan);color:#04201c}.stt-btn-line{border-color:var(--stt-line);color:var(--stt-ink);background:0 0}.stt-hint{color:var(--stt-muted);margin:0 0 1rem;font-size:.85rem;line-height:1.5}.stt-panel{border:1px solid var(--stt-line);background:#22d3ee0a;border-radius:1rem;padding:1.25rem}.stt-kicker{letter-spacing:.12em;color:var(--stt-cyan);margin:0 0 .35rem;font-size:.7rem;font-weight:700}.stt-panel h2{margin:0 0 .75rem;font-size:1.15rem}.stt-code{color:#e4e4e7;white-space:pre-wrap;background:#050505;border:1px solid #ffffff14;border-radius:.5rem;margin:0 0 .75rem;padding:.85rem 1rem;font-size:.8rem;line-height:1.5;overflow-x:auto}.stt-workspace{border:1px solid var(--stt-line);background:#050505;border-radius:1rem;min-height:70vh;overflow:hidden}.stt-iframe{background:#0c1220;border:0;width:100%;min-height:70vh;display:block}