#hc-normalite-hesaplama {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    font-family: 'Segoe UI', Roboto, sans-serif;
    max-width: 500px;
    margin: 20px auto;
    border: 1px solid #e2e8f0;
}

#hc-normalite-hesaplama .hc-header h3 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 1.4rem;
    font-weight: 700;
}

#hc-normalite-hesaplama .hc-header p {
    margin-bottom: 25px;
    color: #64748b;
    font-size: 0.9rem;
}

#hc-normalite-hesaplama .hc-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

#hc-normalite-hesaplama label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #475569;
    font-size: 0.85rem;
}

#hc-normalite-hesaplama input {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 0.95rem;
    background: #f8fafc;
}

#hc-normalite-hesaplama .hc-btn {
    width: 100%;
    background: #0ea5e9;
    color: white;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
}

#hc-normalite-hesaplama .hc-result {
    margin-top: 30px;
    padding: 20px;
    background: #f0f9ff;
    border-radius: 12px;
    border: 1px solid #bae6fd;
    text-align: center;
    display: none;
}

#hc-normalite-hesaplama .hc-result.visible {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#hc-normalite-hesaplama .hc-result-label {
    font-size: 0.8rem;
    color: #0369a1;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 5px;
}

#hc-normalite-hesaplama #hc-res-normality {
    font-size: 2.2rem;
    font-weight: 800;
    color: #0c4a6e;
    display: block;
}

#hc-normalite-hesaplama .hc-result-main small {
    font-size: 0.9rem;
    color: #38bdf8;
    font-weight: 600;
}

#hc-normalite-hesaplama .hc-formula-box {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #bae6fd;
    font-size: 0.75rem;
    color: #0284c7;
}