/* Minimal Kurumsal Tasarım - Aksa Doğalgaz IT Destek Sistemi */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

/* Navbar Stilleri - Minimal */
.navbar {
    background: #1a4d72;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.4rem;
    font-weight: 600;
    color: white !important;
}

.navbar-nav .nav-link {
    color: rgba(255,255,255,0.9) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: white !important;
}

.navbar-nav .nav-link.active {
    color: white !important;
    background-color: rgba(255,255,255,0.1);
    border-radius: 6px;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    transition: background-color 0.3s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
}

/* Ana Container */
.main-container {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Kart Stilleri - Minimal */
.card {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
    background: white;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.card-header {
    background: #1a4d72;
    color: white;
    border-radius: 8px 8px 0 0;
    padding: 1.25rem;
    border-bottom: none;
}

.card-header h3, .card-header h4, .card-header h5 {
    margin: 0;
    font-weight: 600;
}

.card-body {
    padding: 1.75rem;
}

/* Form Stilleri - Minimal */
.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 1px solid #ced4da;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #1a4d72;
    box-shadow: 0 0 0 0.2rem rgba(26, 77, 114, 0.25);
}

.form-control:hover:not(:focus), .form-select:hover:not(:focus) {
    border-color: #adb5bd;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.required {
    color: #dc3545;
}

/* Buton Stilleri - Minimal */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: #1a4d72;
    color: white;
}

.btn-primary:hover {
    background: #143a5b;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #1e7e34;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-info {
    background: #17a2b8;
    color: white;
}

.btn-info:hover {
    background: #138496;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Alert Stilleri - Minimal */
.alert {
    border: none;
    border-radius: 6px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

/* Tablo Stilleri - Minimal */
.table {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.table thead th {
    background: #1a4d72;
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.table tbody tr {
    transition: background-color 0.3s ease;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.table tbody td {
    padding: 1rem;
    border-color: #e9ecef;
    vertical-align: middle;
}

/* Badge Stilleri - Minimal */
.badge {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* İstatistik Kartları - Minimal */
.bg-info {
    background: #17a2b8 !important;
}

.bg-warning {
    background: #ffc107 !important;
}

.bg-danger {
    background: #dc3545 !important;
}

.bg-success {
    background: #28a745 !important;
}

.bg-secondary {
    background: #6c757d !important;
}

.bg-primary {
    background: #1a4d72 !important;
}

/* Footer - Minimal */
.footer {
    background: #1a4d72;
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer p {
    margin: 0;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .main-container {
        padding: 1rem 0;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
}

/* Animasyonlar - Minimal */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Özel Scrollbar - Minimal */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #1a4d72;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #143a5b;
}

/* Özel Inputlar */
.form-control:invalid {
    border-color: #dc3545;
}

.form-control:valid {
    border-color: #28a745;
}

.is-invalid {
    border-color: #dc3545 !important;
}

.is-valid {
    border-color: #28a745 !important;
}

/* Gölge Efektleri - Minimal */
.shadow-sm {
    box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important;
}

.shadow {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
}

.shadow-lg {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12) !important;
}

/* Yardımcı Sınıflar */
.text-gradient {
    background: linear-gradient(135deg, #1a4d72, #7cb342);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: linear-gradient(135deg, #1a4d72, #7cb342);
}

/* DataTables Özelleştirmeleri - Minimal */
.dataTables_wrapper .dataTables_filter input {
    border: 1px solid #ced4da;
    border-radius: 6px;
    padding: 0.5rem;
    margin-left: 0.5rem;
}

.dataTables_wrapper .dataTables_length select {
    border: 1px solid #ced4da;
    border-radius: 6px;
    padding: 0.5rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 6px;
    margin: 0 2px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: #1a4d72;
    color: white !important;
}

.dataTables_wrapper .dataTables_info {
    padding-top: 1rem;
    font-weight: 500;
}

/* Responsive Tablo */
@media (max-width: 768px) {
    .table-responsive {
        border-radius: 6px;
    }
    
    .table thead {
        display: none;
    }
    
    .table tr {
        display: block;
        border: 1px solid #e9ecef;
        margin-bottom: 1rem;
        border-radius: 6px;
        padding: 1rem;
    }
    
    .table td {
        display: block;
        text-align: right;
        border: none;
        padding: 0.5rem 0;
    }
    
    .table td:before {
        content: attr(data-label) ": ";
        font-weight: bold;
        float: left;
        text-transform: uppercase;
        color: #495057;
    }
}