body {
    background-color: #f5f5f5;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.fatura-container {
    background-color: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.fatura-header {
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.fatura-footer {
    border-top: 1px solid #ddd;
    padding-top: 10px;
    margin-top: 20px;
}

.table-bordered {
    border: 1px solid #dee2e6;
}

.logo-container {
    text-align: center;
    margin-bottom: 15px;
}

.logo-container img {
    max-width: 150px;
    height: auto;
}

.highlight {
    background-color: rgba(255, 255, 0, 0.3);
}

.teknosa-url {
    font-size: 1.2em;
    margin-top: 5px;
    margin-bottom: 5px;
    width: 100%;
    text-align: center;
    font-weight: italic;
}

.tarih {
    margin-bottom: 5px;
}

@media print {
    body {
        background-color: white;
    }
    
    .no-print {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: none;
    }
    
    .fatura-container {
        box-shadow: none;
    }
}