.stem-lab{text-align:center;max-width:1000px;margin:auto;padding:60px 24px 90px}.stem-emblem{color:#c6b5ff;background:linear-gradient(145deg,#61c9ff20,#9a5cff30);border:1px solid #a78bfa66;border-radius:26px;place-items:center;width:84px;height:84px;margin:30px auto 20px;display:grid;box-shadow:0 0 65px #9a5cff18}.stem-lab h1{letter-spacing:-.04em;margin:16px 0;font-size:clamp(36px,6vw,66px)}.stem-intro{color:var(--text-secondary);max-width:620px;margin:0 auto 32px;font-size:18px}.stem-console{text-align:left;background:linear-gradient(140deg,#19213cdd,#171329dd);border:1px solid #a993dd40;border-radius:26px;padding:30px;box-shadow:0 25px 90px #0003}.stem-access{color:#cab9ff;align-items:center;gap:10px;margin-bottom:24px;font-size:14px;display:flex}.stem-upload{text-align:center;overflow-wrap:anywhere;background:#a1b4ff06;border:1px dashed #a9a0e36b;border-radius:18px;flex-direction:column;align-items:center;gap:12px;padding:32px 15px;display:flex}.stem-upload span,.stem-notes,.stem-results p{color:var(--text-secondary);font-size:13px;line-height:1.7}.stem-upload input{max-width:100%}.stem-actions,.stem-tabs,.stem-downloads{flex-wrap:wrap;gap:10px;margin:22px 0;display:flex}.stem-lab button,.stem-downloads a{color:#e6e8ff;cursor:pointer;background:#a28bfa18;border:1px solid #af9ae055;border-radius:12px;padding:12px 18px}.stem-lab button:disabled{opacity:.4;cursor:not-allowed}.stem-tabs button[aria-pressed=true]{background:linear-gradient(110deg,#6548bc,#376e9c);box-shadow:0 0 25px #9871ff22}.stem-downloads a{align-items:center;gap:8px;font-size:13px;text-decoration:none;display:flex}.stem-results audio{width:100%}.stem-job{color:#b3dff0;align-items:center;gap:14px;padding:20px 0;display:flex}.stem-job.is-active svg{animation:1.6s ease-in-out infinite stem-breathe}.stem-notes{text-align:left;padding:16px 12px}.stem-lab [role=alert]{color:#fca5a5}@keyframes stem-breathe{50%{opacity:.3;transform:scale(.85)}}@media (prefers-reduced-motion:reduce){.stem-job.is-active svg{animation:none}}@media (max-width:600px){.stem-console{padding:18px}.stem-lab{padding:24px 16px 50px}.stem-actions button{width:100%}}.stem-upload{cursor:pointer;position:relative}.stem-upload:focus-within{outline-offset:4px;outline:2px solid #82d4ff}.stem-upload .stem-file-input{opacity:0;width:1px;height:1px;position:absolute;overflow:hidden}.stem-upload .stem-upload-cta{letter-spacing:normal;color:#ddd4ff;background:#a28bfa12;border:1px solid #a1a7f955;border-radius:10px;padding:8px 16px;font-size:13px;display:inline-flex}.stem-actions button:first-child:not(:disabled){background:linear-gradient(110deg,#7651cd,#326b91);border-color:#b9aeff77}