/* Forum Tarih - Modern Header Tasarımı */

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #059669;
    --info-color: #0891b2;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --border-color: #e2e8f0;
    --text-muted: #64748b;
    --header-bg: #f8f9fa;
    --nav-bg: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #ffffff;
    color: #1e293b;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Top Header */
.top-header {
    background-color: var(--header-bg);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

.logo-text .logo-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    letter-spacing: 0.5px;
}

.top-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.top-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.top-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* Header Divider */
.header-divider {
    height: 1px;
    background-color: var(--border-color);
}

/* Main Navigation */
.main-navbar {
    background-color: var(--nav-bg);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.main-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.main-nav .nav-item {
    position: relative;
}

.main-nav .nav-link {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    transition: color 0.2s ease;
    position: relative;
}

.main-nav .nav-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.main-nav .nav-link.active {
    color: var(--primary-color);
}

.main-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

/* Search Section */
.search-section {
    display: flex;
    justify-content: flex-end;
}

.search-box {
    position: relative;
    max-width: 300px;
    width: 100%;
}

.search-box .form-control {
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 0.5rem 3rem 0.5rem 1rem;
    font-size: 0.9rem;
    background-color: #f8f9fa;
    transition: all 0.2s ease;
}

.search-box .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
    background-color: white;
}

.search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0.25rem;
    transition: color 0.2s ease;
}

.search-btn:hover {
    color: var(--primary-color);
}

/* Cards */
.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.2s ease;
    background-color: white;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--dark-color);
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

/* Forum Table */
.table {
    margin-bottom: 0;
}

.table th {
    border-top: none;
    font-weight: 600;
    color: var(--dark-color);
    background-color: var(--light-color);
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    vertical-align: middle;
    border-top: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
}

.table-hover tbody tr:hover {
    background-color: rgba(37, 99, 235, 0.05);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
    padding: 0.5rem 1rem;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #047857;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

/* Statistics Cards */
.card.text-center .card-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.card.text-center h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0.5rem 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--secondary-color);
}

/* Footer */
.site-footer {
    background-color: #f8f9fa;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    padding: 3rem 0 1rem;
}

.footer-section {
    margin-bottom: 1.5rem;
}

.footer-title {
    color: var(--dark-color);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-subtitle {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-text {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-link:hover {
    background-color: #1d4ed8;
    color: white;
    transform: translateY(-2px);
    text-decoration: none;
}

.footer-divider {
    border: none;
    height: 1px;
    background-color: var(--border-color);
    margin: 2rem 0 1rem;
}

.footer-copyright,
.footer-version {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.footer-version strong {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .top-header .row {
        flex-direction: column;
        gap: 1rem;
    }
    
    .top-header .col-md-6 {
        text-align: center !important;
    }
    
    .main-nav {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .main-nav .nav-link {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .search-section {
        justify-content: center;
        margin-top: 1rem;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .card.text-center h3 {
        font-size: 2rem;
    }
}

/* Custom Utilities */
.text-decoration-none:hover {
    text-decoration: underline !important;
}

.fw-bold {
    font-weight: 600 !important;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}