#hc-beygir-gucu-hesaplayicisi {
    background: #ffffff;
    border-radius: 24px;
    padding: 35px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    font-family: 'Inter', sans-serif;
    max-width: 550px;
    margin: 20px auto;
    border: 1px solid #f1f5f9;
}

#hc-beygir-gucu-hesaplayicisi .hc-header h3 {
    color: #0f172a;
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
}

#hc-beygir-gucu-hesaplayicisi .hc-header p {
    color: #64748b;
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 25px;
}

#hc-beygir-gucu-hesaplayicisi .hc-tabs {
    display: flex;
    background: #f1f5f9;
    padding: 6px;
    border-radius: 14px;
    margin-bottom: 25px;
}

#hc-beygir-gucu-hesaplayicisi .hc-tab-btn {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s ease;
}

#hc-beygir-gucu-hesaplayicisi .hc-tab-btn.active {
    background: white;
    color: #0f172a;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

#hc-beygir-gucu-hesaplayicisi .hc-tab-content {
    display: none;
}

#hc-beygir-gucu-hesaplayicisi .hc-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

#hc-beygir-gucu-hesaplayicisi .hc-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

#hc-beygir-gucu-hesaplayicisi label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: #475569;
    margin-bottom: 6px;
    text-transform: uppercase;
}

#hc-beygir-gucu-hesaplayicisi input,
#hc-beygir-gucu-hesaplayicisi select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
}

#hc-beygir-gucu-hesaplayicisi .hc-btn {
    width: 100%;
    background: #0f172a;
    color: white;
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s ease;
}

#hc-beygir-gucu-hesaplayicisi .hc-btn:hover {
    background: #334155;
}

#hc-beygir-gucu-hesaplayicisi .hc-result {
    margin-top: 30px;
    padding: 25px;
    background: #f8fafc;
    border-radius: 18px;
    text-align: center;
    border: 1px solid #e2e8f0;
    display: none;
}

#hc-beygir-gucu-hesaplayicisi .hc-result.visible {
    display: block;
}

#hc-beygir-gucu-hesaplayicisi .hc-result-header {
    font-size: 0.75rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    margin-bottom: 10px;
}

#hc-beygir-gucu-hesaplayicisi #hc-res-primary {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: #0f172a;
    line-height: 1.2;
}

#hc-beygir-gucu-hesaplayicisi #hc-res-secondary {
    font-size: 1rem;
    color: #64748b;
    font-weight: 600;
}