.result-display{letter-spacing:0.02em;line-height:1.6}.result-display::selection{background-color:rgba(37,99,235,0.2)}.stat-card{border:1px solid rgba(229,231,235,0.8);transition:all 0.2s ease}.stat-card:hover{border-color:#93c5fd;background-color:rgba(239,246,255,0.5)}.option-card:has(.option-checkbox:checked){border-color:#93c5fd;background-color:rgba(239,246,255,0.5)}.option-toggle{transition:background-color 0.2s ease}.option-toggle-dot{transition:transform 0.2s ease}input[type="number"]:focus,select:focus{box-shadow:0 0 0 3px rgba(37,99,235,0.1)}@keyframes copyPulse{0%{transform:scale(1)}50%{transform:scale(1.1)}100%{transform:scale(1)}}#btn-copy:active{animation:copyPulse 0.2s ease}@media (max-width:640px){.result-display{font-size:0.875rem;height:8rem}.stat-card p.text-lg{font-size:1rem}}