/* Genel Stil */
.canta-frontend-container {
    max-width: 800px;
    margin: 30px auto;
    padding: 20px;
    background-color: #f0f2f5;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .1);
    font-family: 'Inter', sans-serif;
}

.hesaplama-card,
.sonuc-ana-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, .05);
    margin-bottom: 25px;
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 25px 30px;
    color: white;
    text-align: center;
}

.card-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: .5px;
}

.card-header p {
    margin: 8px 0 0;
    font-size: 15px;
    opacity: .9;
}

.card-body {
    padding: 30px;
}

/* Form Stili */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #495057;
    font-size: 14px;
}

.form-input {
    padding: 4px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: all .3s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, .1);
}

.form-actions {
    display: flex;
    justify-content: center;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46a3 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, .3);
}

/* Sonuç Kartı Stili */
.sonuc-ana {
    margin-bottom: 30px;
    text-align: center;
}

.toplam-maliyet {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.toplam-label {
    font-size: 16px;
    font-weight: 600;
    opacity: .9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.toplam-deger {
    font-size: 36px;
    font-weight: 700;
}

.birim-maliyet {
    font-size: 14px;
    opacity: .9;
}

.maliyet-detay {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.detay-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    transition: all .3s ease;
}

.detay-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.detay-label {
    font-weight: 600;
    color: #495057;
}

.detay-deger {
    font-weight: 700;
    color: #667eea;
    font-size: 16px;
}

/* Loading Durumu */
.loading-state {
    opacity: .6;
    pointer-events: none;
}

.loading-btn::after {
    content: '';
    width: 16px;
    height: 16px;
    margin-left: 8px;
    border: 2px solid #fff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.maliyet-detay-toggle-container {
    border-top: 1px solid #e9ecef;
    padding-top: 20px;
    margin-top: 20px;
}

.detay-toggle {
    width: 100%;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 12px 16px;
    color: #495057;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    transition: all .3s ease;
}

.detay-toggle:hover {
    background: #e9ecef;
    border-color: #667eea;
    color: #667eea;
}

/* Responsive Ayarlar */
@media (max-width: 768px) {
    .canta-frontend-container {
        padding: 15px;
    }

    .card-header {
        padding: 20px;
    }

    .card-header h2 {
        font-size: 20px;
    }

    .card-body {
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .toplam-deger {
        font-size: 28px;
    }
}

.input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-separator {
    color: #6c757d;
    font-weight: 600;
}