:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
}

body {
    font-family: 'Nunito', sans-serif;
    background-color: #f8f9fa;
}

/* Sol Menü */
.sol-menu {
    min-height: 100vh;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sol-menu .menu-link {
    color: rgba(255,255,255,.75);
    padding: 0.8rem 1rem;
    margin: 0.8rem;
    border-radius: 8px;
    display: block;
    text-decoration: none;
    transition: all 0.3s ease;
}

.sol-menu .menu-link:hover {
    color: white;
    background: rgba(255,255,255,.15);
    transform: translateX(5px);
}

.sol-menu .menu-link.aktif {
    color: white;
    background: rgba(255,255,255,.2);
    font-weight: 600;
}

.sol-menu .menu-link i {
    font-size: 1.1rem;
    margin-right: 0.75rem;
}

/* İçerik Alanı */
.icerik-alani {
    padding: 2rem;
}

/* Kartlar */
.kart {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
}

.kart-baslik {
    background: transparent;
    border-bottom: 1px solid #e3e6f0;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.kart-icerik {
    padding: 1.5rem;
}

/* Tablolar */
.tablo {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.tablo th {
    background-color: #f8f9fa;
    padding: 1rem;
    font-weight: 600;
    color: #495057;
    border-bottom: 2px solid #dee2e6;
}

.tablo td {
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
    vertical-align: middle;
}

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

/* Butonlar */
.buton {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.buton-birincil {
    background-color: #3498db;
    color: white;
}

.buton-birincil:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
}

.buton-ikincil {
    background-color: #f8f9fa;
    color: #495057;
}

.buton-ikincil:hover {
    background-color: #e9ecef;
}

.buton-tehlike {
    background-color: #e74c3c;
    color: white;
}

.buton-tehlike:hover {
    background-color: #c0392b;
}

/* Animasyonlar */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Elemanları */
.form-control {
    border-radius: 6px;
    border: 1px solid #dee2e6;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* İstatistik Kartları */
.istatistik-karti {
    background: white;
    border-radius: 0.35rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    border-left: 0.25rem solid var(--primary-color);
}

.istatistik-karti .baslik {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.istatistik-karti .deger {
    color: var(--dark-color);
    font-size: 1.5rem;
    font-weight: 700;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .sol-menu {
        min-height: auto;
    }
    
    .icerik-alani {
        padding: 1rem;
    }
    
    .tablo {
        display: block;
        overflow-x: auto;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-color);
}

/* Modal */
.modal-content {
    border-radius: 10px;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    padding: 1rem 1.5rem;
}