#hc-ortalama-hesaplama {
    background: #ffffff;
    border: 2px solid #f1f5f9;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    font-family: 'Outfit', sans-serif;
    max-width: 500px;
    margin: 20px auto;
}

#hc-ortalama-hesaplama .hc-header h3 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 1.4rem;
    font-weight: 800;
}

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

#hc-ortalama-hesaplama textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: #f8fafc;
    font-size: 1rem;
    font-weight: 600;
    resize: none;
}

#hc-ortalama-hesaplama .hc-btn {
    width: 100%;
    background: #2563eb;
    color: white;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    margin-top: 20px;
    cursor: pointer;
}

#hc-ortalama-hesaplama .hc-result {
    margin-top: 30px;
    display: none;
}

#hc-ortalama-hesaplama .hc-result.visible {
    display: block;
}

#hc-ortalama-hesaplama .hc-avg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

#hc-ortalama-hesaplama .hc-avg-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 15px 10px;
    text-align: center;
}

#hc-ortalama-hesaplama .hc-avg-label {
    font-size: 0.65rem;
    font-weight: 800;
    color: #3b82f6;
    text-transform: uppercase;
    margin-bottom: 5px;
}

#hc-ortalama-hesaplama .hc-avg-card div:last-child {
    font-size: 1rem;
    font-weight: 800;
    color: #1e293b;
}

@media (max-width: 480px) {
    #hc-ortalama-hesaplama .hc-avg-grid {
        grid-template-columns: 1fr;
    }
}