/* Navbar butonlarını belirginleştir */
.navbar .nav-link {
    color: #fff !important;
    background: #1a237e;
    border-radius: 20px;
    margin-left: 8px;
    padding: 8px 18px !important;
    transition: background 0.2s;
}
.navbar .nav-link:hover, .navbar .nav-link.active {
    background: #3949ab;
    color: #fff !important;
}
/* Genel Renk Paleti ve Temel Stil İyileştirmeleri */
body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    color: #222;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: #1a237e;
}

.navbar {
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.card {
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: none;
}

.btn-primary, .btn-success, .btn-warning, .btn-info {
    border-radius: 24px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.table {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.alert {
    border-radius: 8px;
    font-size: 1rem;
    padding: 0.75rem 1.25rem;
}

input, select, textarea {
    border-radius: 8px !important;
    font-size: 1rem;
}

footer {
    font-size: 0.95rem;
    color: #555;
}

/* Admin Sidebar Stilleri */
.admin-sidebar {
    width: 280px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.brand-icon {
    font-size: 2rem;
    margin-right: 0.75rem;
    color: #fff;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

/* Admin Bilgisi Stilleri */
.admin-info {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 0.75rem;
    margin-top: 1rem;
}

.admin-avatar {
    font-size: 2.5rem;
    margin-right: 0.75rem;
    color: rgba(255,255,255,0.9);
}

.admin-details {
    flex: 1;
}

.admin-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    margin-bottom: 2px;
}

.admin-role {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.admin-email {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.7);
    font-style: italic;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 1rem 0;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section-title {
    color: rgba(255,255,255,0.7);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 0.5rem;
    padding: 0 1.5rem;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-left-color: #fff;
}

.nav-link.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-left-color: #fff;
    font-weight: 600;
}

.nav-link i {
    font-size: 1.1rem;
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

/* Responsive Tasarım */
@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.show {
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    h1, h2 {
        font-size: 1.5rem;
    }
    .card-title {
        font-size: 1.1rem;
    }
}