/* Ana CSS Dosyası */

/* Genel Stiller */
body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Header Stilleri */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Navigasyon Stilleri */
.main-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-menu li {
    display: inline-block;
    margin: 0 15px;
}

.main-menu li a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-menu li a:hover {
    color: #007bff;
}

/* Mobil Menü Stilleri */
.mobile-menu {
    display: none;
}

@media (max-width: 991px) {
    .mobile-menu {
        display: block;
    }
}

/* Footer Stilleri */
.footer {
    background: #333;
    color: #fff;
    padding: 40px 0;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

/* Utility Sınıfları */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}

/* Buton Stilleri */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: #007bff;
    color: #fff;
}

.btn-primary:hover {
    background: #0056b3;
}

/* Form Stilleri */
.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

/* Tablo Stilleri */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th,
.table td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
    text-align: left;
}

.table th {
    background: #f8f9fa;
    font-weight: 600;
}

/* Alert Stilleri */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Loading Spinner */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Modal Stilleri */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fff;
    margin: 15% auto;
    padding: 20px;
    border-radius: 5px;
    width: 80%;
    max-width: 500px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #000;
}