.logo h1{font-size:2.8rem;color:white;text-shadow:0 2px 4px rgba(0,0,0,.3)}.muscle-option.selected{background:#ff6b35;color:white;border-color:#ff6b35}.slider-value{text-align:center;font-weight:700;font-size:1.2rem;color:#ff6b35;margin-top:10px}.exercise-details{display:flex;gap:15px;color:#6c757d;font-size:.9rem}@media (max-width:768px){.logo h1{font-size:2.2rem}}