.lab-method{display:grid;grid-template-columns:1fr auto 1.25fr auto 1fr auto 1fr auto;align-items:center;gap:.55rem;margin:.8rem 0;padding:.8rem 1rem;border:1px solid #b8dcd8;border-radius:16px;background:linear-gradient(115deg,#ffffff,#eafaf7);box-shadow:0 10px 30px #0f766e12}.lab-method span{display:grid;grid-template-columns:32px 1fr;column-gap:.5rem;align-items:center}.lab-method span b{grid-row:1/3;width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:#0f766e;color:#fff}.lab-method strong{font-size:.65rem;color:#0f172a}.lab-method small{font-size:.55rem;color:#64748b}.lab-method i{color:#50a79e;font-style:normal}.lab-method button{border:1px solid #0f766e;border-radius:9px;background:#fff;padding:.5rem .65rem;color:#0f766e;font-size:.6rem;font-weight:850}.virtual-lab{border:1px solid #bddbd8!important;background:linear-gradient(145deg,#fff,#f5fffd)!important;box-shadow:0 18px 45px #0b4b4612!important}.lab-controls label{background:#fff;box-shadow:0 5px 14px #0f766e0b}.lab-controls input[type=range]{width:100%;accent-color:#0d9488}.lab-observation{border-left:5px solid #14b8a6;background:linear-gradient(90deg,#e9fffa,#f8fffd)}.lab-instructions{border:1px solid #c8ebe6;background:linear-gradient(100deg,#e9fffa,#f8fffd)}.balance-visual.interactive{padding:1rem 2rem}.balance-visual.interactive div{align-content:center;gap:.2rem;border-radius:18px;background:linear-gradient(145deg,#fff7cc,#f6c84f);box-shadow:0 12px 24px #854d0e22}.balance-visual.interactive div small{font-size:.55rem;text-transform:uppercase}.balance-visual.interactive div span{font-size:1.4rem}.balance-visual.interactive i{border-radius:999px;transition:transform .45s cubic-bezier(.2,.8,.2,1)}.lab-card{overflow:hidden}.lab-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,#14b8a6,#38bdf8,#f4c453)}.lab-card-icon{width:58px!important;height:58px!important;border:1px solid #99e7dc!important;background:radial-gradient(circle at 35% 25%,#fff,#ccfbf1 45%,#5eead4)!important;box-shadow:0 9px 20px #0f766e26;font-size:1.8rem!important;transition:transform .25s}.lab-card:hover .lab-card-icon{transform:rotate(-5deg) scale(1.08)}@media(max-width:950px){.lab-method{grid-template-columns:1fr 1fr}.lab-method>i{display:none}.lab-method button{grid-column:1/-1}.balance-visual.interactive{padding:1rem 0}}@media(max-width:600px){.lab-method{grid-template-columns:1fr}.balance-visual.interactive{grid-template-columns:1fr 40px 1fr}}