:root {
    /* Color Palette - Balıkesir teması (Mavi-Yeşil-Turuncu) */
    --primary-color: #0077be;
    --primary-dark: #005a8f;
    --primary-light: #4da6d9;
    --secondary-color: #00a86b;
    --accent-color: #ff6b35;
    --accent-light: #ff8c61;
    
    /* Neutral Colors */
    --bg-color: #f0f4f8;
    --surface-color: #ffffff;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0077be 0%, #00a86b 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.header-content {
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.logo i {
    font-size: 2.5rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 300;
}

/* Main Content */
.main-content {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 300px);
}

/* Filters Section */
.filters-section {
    margin-bottom: var(--spacing-lg);
}

.filters-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-group label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.filter-group label i {
    color: var(--primary-color);
}

.filter-select,
.filter-input {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    background: var(--surface-color);
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 119, 190, 0.1);
}

.filter-input::placeholder {
    color: var(--text-muted);
}

/* View Toggle */
.view-toggle {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-sm);
    align-items: flex-end;
}

.view-btn {
    flex: 1;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.view-btn:hover {
    background: var(--bg-color);
    transform: translateY(-2px);
}

.view-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-item {
    background: var(--surface-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
    border-left: 4px solid var(--primary-color);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* View Containers */
.view-container {
    display: none;
}

.view-container.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

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

/* Map Styles */
.map-wrapper {
    position: relative;
}

.map-container {
    height: 600px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 3px solid var(--surface-color);
}

.map-legend {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    max-width: 250px;
    z-index: 1000;
}

.map-legend h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.map-legend h4 i {
    color: var(--primary-color);
}

.map-legend p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.legend-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.marker-preview {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: var(--shadow-sm);
}

.marker-preview.blue {
    background: var(--primary-color);
}

.marker-preview.green {
    background: var(--secondary-color);
}

/* Newspapers Grid */
.newspapers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.newspaper-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border-top: 4px solid var(--primary-color);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.newspaper-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.newspaper-card:hover::before {
    transform: scaleX(1);
}

.newspaper-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.card-district {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.info-row {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
}

.info-row i {
    color: var(--primary-color);
    margin-top: 0.2rem;
    min-width: 20px;
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 120px;
    font-size: 0.9rem;
}

.info-value {
    color: var(--text-primary);
    flex: 1;
}

.card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.detail-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* Loading & Empty States */
.loading-state,
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--text-secondary);
}

.loading-state i,
.empty-state i {
    font-size: 4rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
}

.loading-state i {
    animation: spin 1s linear infinite;}

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

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-fast);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: sticky;
    top: var(--spacing-md);
    right: var(--spacing-md);
    float: right;
    background: var(--accent-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 1;
    box-shadow: var(--shadow-md);
}

.modal-close:hover {
    background: var(--accent-light);
    transform: rotate(90deg);
}

#modalBody {
    padding: var(--spacing-xl);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: var(--spacing-xl);
}

.footer p {
    margin: var(--spacing-xs) 0;
    opacity: 0.9;
}

.footer-note {
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-note i {
    color: var(--primary-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo h1 {
        font-size: 1.6rem;
    }
    
    .subtitle {
        font-size: 0.95rem;
    }
    
    .filters-card {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
    }
    
    .view-toggle {
        flex-direction: row;
    }
    
    .stats-bar {
        grid-template-columns: 1fr;
    }
    
    .map-container {
        height: 400px;
    }
    
    .map-legend {
        position: static;
        margin-top: var(--spacing-md);
        max-width: 100%;
    }
    
    .newspapers-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    #modalBody {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .logo {
        flex-direction: column;
        text-align: center;
    }
    
    .newspaper-card {
        padding: var(--spacing-md);
    }
    
    .card-title {
        font-size: 1.2rem;
    }
    
    .info-label {
        min-width: 100px;
        font-size: 0.85rem;
    }
}

/* Custom Leaflet Popup Styling */
.leaflet-popup-content-wrapper {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.leaflet-popup-content {
    margin: var(--spacing-md);
    font-family: 'Inter', sans-serif;
}

.popup-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.popup-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.popup-btn {
    margin-top: var(--spacing-sm);
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    width: 100%;
    transition: all var(--transition-fast);
}

.popup-btn:hover {
    transform: scale(1.05);
}