#vital-forge-app{--primary:#ff7a59;--secondary:#2d3e50;background:#fff;border-radius:30px;box-shadow:0 20px 50px rgba(0,0,0,.15);font-family:Inter,-apple-system,sans-serif;margin:20px auto;max-width:450px;padding:30px;text-align:center}.control-panel{display:grid;gap:15px;margin-bottom:25px}.slider-card{background:#fdf2ef;border:1px solid #ffe8e0;border-radius:15px;padding:15px}.slider-meta{color:var(--secondary);display:flex;font-size:.85rem;font-weight:600;justify-content:space-between;margin-bottom:10px}.slider-meta b{color:var(--primary);font-size:1rem}input[type=range]{-webkit-appearance:none;background:#e0e0e0;border-radius:5px;height:8px;outline:none;width:100%}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);border-radius:50%;box-shadow:0 0 10px rgba(255,122,89,.4);cursor:pointer;height:24px;width:24px}#visual-cue-container{align-items:center;display:flex;height:240px;justify-content:center;margin:0 auto 20px;position:relative;width:240px}.lotus-overlay{opacity:.6;position:absolute;width:120px;z-index:1}#progress-ring{position:absolute;transform:rotate(-90deg);z-index:0}.progress-ring__bar{transition:stroke-dashoffset 1s linear}.circle{border:4px solid var(--primary);border-radius:50%;height:160px;opacity:.1;position:absolute;transition:all 6s ease-in-out;width:160px;z-index:2}.inhale{opacity:.6;transform:scale(1.3)}.exhale{opacity:.1;transform:scale(.9)}#instruction-display{color:var(--secondary);font-size:1.1rem;font-weight:500;margin-bottom:20px;min-height:80px;padding:0 10px}.btn{border:none;border-radius:40px;cursor:pointer;font-weight:800;letter-spacing:1px;padding:20px;transition:.3s;width:100%}.btn-start{background:var(--primary);box-shadow:0 10px 20px rgba(255,122,89,.3);color:#fff}.btn-stop{background:#f4f4f4;color:#999;display:none;margin-top:15px}