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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
}

/* Map Container */
#map {
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Filter Button */
.filter-button {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: white;
    border: 2px solid #333;
    border-radius: 25px;
    padding: 12px 20px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    min-width: 44px; /* Accessibility: large tap target */
    min-height: 44px;
}

.filter-button:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.filter-button:active {
    transform: translateY(0);
}

.filter-icon {
    font-size: 18px;
}

/* Filter Panel */
.filter-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 90vw;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
    z-index: 1500;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.filter-panel.active {
    transform: translateX(0);
}

.filter-panel-header {
    padding: 20px;
    border-bottom: 2px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f8f8;
    position: sticky;
    top: 0;
    z-index: 1;
}

.filter-panel-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: #333;
}

.filter-close-btn {
    background: transparent;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: #666;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    min-width: 36px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.filter-close-btn:hover {
    background: #f0f0f0;
    color: #333;
}

.filter-panel-content {
    padding: 20px;
    flex: 1;
}

.filter-note {
    font-size: 13px;
    color: #666;
    margin-bottom: 20px;
    padding: 12px;
    background: #f0f7ff;
    border-radius: 8px;
    border-left: 3px solid #007bff;
    line-height: 1.5;
}

.select-all-container {
    margin-bottom: 12px;
}

.select-all-item {
    background: #f8f8f8;
    border: 2px solid #ddd;
    font-weight: 600;
}

.select-all-item:hover {
    background: #f0f0f0;
    border-color: #007bff;
}

.filter-divider {
    height: 1px;
    background: #ddd;
    margin: 16px 0;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
    min-height: 44px;
}

.filter-item:hover {
    background: #f8f8f8;
}

.category-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    margin: 0;
}

.filter-icon-large {
    font-size: 20px;
}

.filter-name {
    font-size: 15px;
    color: #333;
    flex: 1;
}

/* Filter Overlay */
.filter-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1400;
    display: none;
}

/* Custom Marker Styles */
.custom-marker {
    background: transparent;
    border: none;
}

/* Mobile Optimizations for Filter Panel */
@media (max-width: 768px) {
    .filter-panel {
        width: 100vw;
        max-width: 100vw;
    }
}

/* Bottom Drawer */
.drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    height: 33vh;
    max-height: 80vh;
    min-height: 60px;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.drawer.collapsed {
    transform: translateY(calc(100% - 60px));
}

.drawer-handle {
    padding: 12px;
    cursor: grab;
    user-select: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

.drawer-handle:active {
    cursor: grabbing;
}

.drawer-indicator {
    width: 40px;
    height: 4px;
    background: #ccc;
    border-radius: 2px;
}

.drawer-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    padding-bottom: env(safe-area-inset-bottom, 20px);
}

.drawer-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #333;
}

/* Neighborhood List */
.neighborhood-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.neighborhood-item {
    background: #f8f8f8;
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    min-height: 44px; /* Accessibility */
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.neighborhood-item:hover {
    background: #f0f0f0;
    border-color: #333;
    transform: translateX(4px);
}

.neighborhood-item.active {
    background: #e8f4f8;
    border-color: #007bff;
}

.neighborhood-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.neighborhood-name {
    font-weight: 600;
    font-size: 16px;
    color: #333;
}

.neighborhood-stats {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 14px;
}

.density-score {
    background: #007bff;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
}

.restaurant-count {
    color: #666;
}

.neighborhood-restaurants {
    margin-top: 8px;
    font-size: 14px;
    color: #666;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.neighborhood-item.expanded .neighborhood-restaurants {
    max-height: 500px;
}

.restaurant-item {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.restaurant-item:last-child {
    border-bottom: none;
}

.restaurant-name {
    font-weight: 500;
    color: #333;
}

/* Welcome Modal */
.welcome-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.welcome-modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    font-size: 32px;
    line-height: 1;
    color: #666;
    cursor: pointer;
    padding: 8px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s ease;
    z-index: 2;
}

.modal-close:hover {
    background: #f0f0f0;
    color: #333;
}

.modal-close:active {
    transform: scale(0.95);
}

.modal-body {
    padding: 32px;
}

.modal-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    margin-right: 60px; /* Space for close button */
    color: #333;
    line-height: 1.3;
    padding-right: 0;
}

.modal-body p {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 16px;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

.modal-body a {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.modal-body a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* Loading States */
.loading {
    text-align: center;
    padding: 20px;
    color: #666;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 16px;
    transition: opacity 0.3s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay p {
    color: #666;
    font-size: 16px;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .filter-text {
        display: none;
    }
    
    .filter-button {
        padding: 12px;
    }
    
    .drawer {
        height: 33vh;
        max-height: 80vh;
        min-height: 60px;
    }
    
    .welcome-modal {
        padding: 10px;
    }
    
    .modal-content {
        max-height: 85vh;
        border-radius: 12px;
    }
    
    .modal-body {
        padding: 24px 20px;
    }
    
    .modal-title {
        font-size: 24px;
        margin-bottom: 16px;
        margin-right: 50px; /* More space for close button on mobile */
        padding-right: 8px;
    }
    
    .modal-body p {
        font-size: 15px;
        margin-bottom: 14px;
    }
    
    .modal-close {
        top: 12px;
        right: 12px;
        font-size: 28px;
        width: 40px;
        height: 40px;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .neighborhood-item {
        border: 3px solid #000;
    }
    
    .filter-button {
        border: 3px solid #000;
    }
}

/* Custom Leaflet Popup Styles */
.leaflet-popup-content-wrapper {
    border-radius: 12px;
    padding: 0;
}

.leaflet-popup-content {
    margin: 16px;
    font-size: 14px;
    line-height: 1.5;
}

.popup-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 8px;
    color: #333;
}

.popup-info {
    color: #666;
    margin: 4px 0;
}

.popup-tags {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.popup-tag {
    background: #f0f0f0;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    color: #666;
}

/* Area Label Styles */
.area-label {
    background: transparent;
    border: none;
}

.area-label-text {
    background: white;
    color: #333;
    padding: 6px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    border: 2px solid #333;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    user-select: none;
    display: inline-block;
    line-height: 1.2;
}

.area-label-text:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.4);
}