.hesaplama-araci {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.hesaplama-baslik {
    text-align: center;
    margin-bottom: 30px;
}

.hesaplama-baslik i {
    font-size: 2.5em;
    color: #4a90e2;
    margin-bottom: 15px;
}

.hesaplama-baslik h2 {
    color: #333;
    font-size: 1.8em;
    margin: 0;
}

.bilgi-kutusu {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
    color: #495057;
}

.form-container {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #495057;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: #4a90e2;
    outline: none;
    box-shadow: 0 0 0 2px rgba(74,144,226,0.2);
}

.hesapla-btn {
    background-color: #4a90e2;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.2s;
}

.hesapla-btn:hover {
    background-color: #357abd;
}

#sonuclar {
    display: none;
    margin-top: 30px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

#sonuclar.visible {
    display: block;
}

.sonuc-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
}

.sonuc-item:last-child {
    border-bottom: none;
}

.sonuc-label {
    color: #495057;
    font-weight: 500;
}

.sonuc-deger {
    color: #4a90e2;
    font-weight: 600;
}

.bilgi-kartlari {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.kart {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.kart:hover {
    transform: translateY(-5px);
}

.kart h4 {
    color: #4a90e2;
    margin-top: 0;
    font-size: 1.2em;
}

.kart p {
    color: #495057;
    margin: 0;
    line-height: 1.5;
}

.dipnot {
    margin-top: 30px;
    padding: 15px;
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    border-radius: 6px;
    color: #856404;
}

@media (max-width: 768px) {
    .hesaplama-araci {
        padding: 15px;
    }
    
    .form-container {
        padding: 20px;
    }
    
    .hesaplama-baslik h2 {
        font-size: 1.5em;
    }
    
    .bilgi-kartlari {
        grid-template-columns: 1fr;
    }
}