:root{--glavna:#500e34;--siva-ivica:#ccc;--bela:#fff;font-family:Arial,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}body,html{margin:0;padding:0}body{color:#333;background-color:#f8e1f4;justify-content:center;align-items:center;min-height:100vh;display:flex}#root{justify-content:center;align-items:center;width:100%;padding:1rem;display:flex}.card{background:#fff;border:1px solid #ddd;border-radius:8px;flex-direction:column;gap:16px;width:100%;max-width:400px;padding:30px;display:flex;box-shadow:0 4px 10px #0000001a}.card h1{text-align:center;color:#5e0f0f;margin:0 0 8px}.input-group{flex-direction:column;gap:5px;display:flex}.input-label{color:#5e0f0f;font-size:12px;font-weight:700}.input{box-sizing:border-box;border:1px solid #ccc;border-radius:4px;outline:none;width:100%;padding:10px;font-size:16px;transition:border-color .2s}.input::-webkit-outer-spin-button{-webkit-appearance:none}.input::-webkit-inner-spin-button{-webkit-appearance:none}.input:focus{border-color:#8c0558}.ops{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.op-btn{cursor:pointer;background:#f5e8f0;border:1px solid #ccc;border-radius:6px;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:12px 8px;transition:all .15s;display:flex}.op-btn:hover{background:#f0cfe0;border-color:#ee93bd}.op-btn--active{color:#fff;background:#ee93bd;border-color:#ee93bd}.op-simbol{font-size:22px;font-weight:700;line-height:1}.op-naziv{font-size:11px;font-weight:500}.actions{gap:10px;display:flex}.btn{cursor:pointer;border:none;border-radius:4px;flex:1;padding:12px;font-size:14px;font-weight:700;transition:background-color .15s}.btn--primary{color:#fff;background-color:#ee93bd}.btn--primary:hover{background-color:#d6689e}.btn--ghost{color:#fff;background-color:#8c0558}.btn--ghost:hover{background-color:#6e0444}.result-box{text-align:center;background:#f8f9fa;border:1px solid #eee;border-radius:4px;padding:15px;animation:.2s fadeIn}.result-box--error{background:#fef2f2;border-color:#fca5a5}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.result-value{color:#333;margin:0;font-size:24px;font-weight:700}.result-error{color:#dc2626;margin:0;font-size:14px}