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

#hc-yuzde-degisim-hesaplama label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

#hc-yuzde-degisim-hesaplama input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
}

#hc-yuzde-degisim-hesaplama .hc-btn {
    width: 100%;
    background: #1e293b;
    color: white;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
}

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

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

#hc-yuzde-degisim-hesaplama .hc-res-card {
    padding: 30px;
    border-radius: 20px;
    text-align: center;
}

#hc-yuzde-degisim-hesaplama .hc-res-card.success { background: #f0fdf4; color: #166534; border: 2px solid #bbf7d0; }
#hc-yuzde-degisim-hesaplama .hc-res-card.error { background: #fef2f2; color: #991b1b; border: 2px solid #fecaca; }
#hc-yuzde-degisim-hesaplama .hc-res-card.info { background: #f8fafc; color: #475569; border: 2px solid #e2e8f0; }

#hc-yuzde-degisim-hesaplama .hc-res-label {
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

#hc-yuzde-degisim-hesaplama .hc-res-main {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 10px;
}

#hc-yuzde-degisim-hesaplama .hc-res-info {
    font-size: 0.9rem;
    opacity: 0.8;
}