:root {
    --bg-main: #f8fafc;
    --sidebar-bg: #ffffff;
    --border-color: #e2e8f0;
    --accent-blue: #2563eb;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] {
    --bg-main: #0f172a;
    --sidebar-bg: #1e293b;
    --border-color: #334155;
    --accent-blue: #3b82f6;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.3), 0 1px 2px -1px rgb(0 0 0 / 0.3);
}

* { box-sizing: border-box; font-family: 'Inter', system-ui, sans-serif; }
body, html { margin: 0; padding: 0; height: 100%; background: var(--bg-main); transition: background-color 0.3s ease; }

.app-container { display: flex; flex-direction: column; height: calc(100vh - 64px); }
.main-header {
    height: 64px; background: var(--sidebar-bg); border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; padding: 0 24px; justify-content: space-between; z-index: 50;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}
.content-wrapper { display: flex; flex: 1; overflow: hidden; }
.sidebar {
    width: 380px; background: var(--sidebar-bg); border-right: 1px solid var(--border-color);
    display: flex; flex-direction: column; z-index: 40;
    position: relative;
}

.sidebar-close {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
    z-index: 50;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.sidebar-close:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: var(--text-primary);
}

.sidebar-toggle-mobile {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 56px;
    height: 56px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    transition: all 0.2s;
}

.sidebar-toggle-mobile:hover {
    background: #1d4ed8;
    transform: scale(1.05);
}

.sidebar-toggle-mobile .icon-close {
    display: none;
}

.sidebar-toggle-mobile.active .icon-open {
    display: none;
}

.sidebar-toggle-mobile.active .icon-close {
    display: flex;
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 64px;
        bottom: 0;
        width: 320px;
        max-width: 85vw;
        transition: left 0.2s ease;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        background: var(--sidebar-bg);
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .sidebar-close {
        display: flex;
    }
    
    .sidebar-toggle-mobile {
        display: flex;
    }
    
    .content-wrapper {
        position: relative;
    }
}
.search-box { 
    padding: 20px; 
    border-bottom: 1px solid var(--border-color); 
}

.search-input-container {
    display: flex;
    gap: 12px;
    align-items: center;
}

.custom-input {
    flex: 1;
    padding: 10px 12px; 
    border: 1px solid var(--border-color);
    border-radius: 8px; 
    outline: none; 
    transition: border 0.2s, background-color 0.3s ease;
    background: var(--sidebar-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .custom-input {
    background: var(--sidebar-bg);
    color: var(--text-primary);
}

.custom-input:focus { 
    border-color: var(--accent-blue); 
}

.filter-toggle-icon {
    display: flex;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

[data-theme="dark"] .filter-toggle-icon {
    background: var(--sidebar-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .filter-toggle-icon:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-blue);
}

.filter-toggle-icon:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
}

[data-theme="dark"] .filter-toggle-icon {
    background: var(--sidebar-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .filter-toggle-icon:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-blue);
}

.filter-toggle-icon .filter-icon {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.filter-toggle-icon:hover .filter-icon {
    color: var(--accent-blue);
}
.park-list { flex: 1; overflow-y: auto; }
.park-item { padding: 16px 20px; border-bottom: 1px solid var(--border-color); transition: all 0.2s; }
.park-item:hover { background: var(--bg-secondary); transform: translateX(2px); }

[data-theme="dark"] .park-item {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .park-item:hover {
    background: rgba(59, 130, 246, 0.1);
}
.park-name { font-size: 14px; font-weight: 600; color: var(--text-primary); margin: 0 0 4px 0; }
.park-info { font-size: 12px; color: var(--text-secondary); display: flex; gap: 12px; }
#map { flex: 1; background: var(--bg-main); transition: background-color 0.3s ease; }
/* Sidebar Header Style */
.sidebar-header {
    padding: 24px 20px;
    background: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}
.logo-area { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.logo-icon { width: 24px; height: 24px; color: var(--accent-blue); }
.logo-text { font-size: 20px; font-weight: 800; letter-spacing: -1px; color: var(--text-primary); }

.status-indicator { display: flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; background: #10b981; border-radius: 50%; box-shadow: 0 0 8px #10b981; }
.status-text { font-size: 12px; font-weight: 500; color: var(--text-secondary); }

/* Input wrapper for search icon */
.input-wrapper { 
    position: relative; 
    flex: 1;
}
.search-icon { 
    position: absolute; 
    left: 12px; 
    top: 50%;
    transform: translateY(-50%);
    width: 16px; 
    height: 16px; 
    color: var(--text-secondary); 
}
.custom-input { 
    padding-left: 36px !important; 
    width: 100%;
}

/* Park Item Refinement */
.park-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 12px; }
.park-footer { display: flex; flex-direction: column; gap: 12px; }
.park-stats {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}
.stat-item-inline {
    font-size: 13px;
    color: var(--text-secondary);
}
.stat-item-inline strong {
    font-weight: 700;
    color: var(--text-primary);
}
.stat-item-inline.stat-available strong {
    color: #10b981;
}
.stat-item-inline.stat-empty strong {
    color: #ef4444;
}
.park-detail-btn {
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.park-detail-btn:hover {
    background: var(--accent-blue);
    color: white;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: #eff6ff;
    color: var(--accent-blue);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.empty-text {
    font-size: 13px;
    color: var(--text-secondary);
}

.empty-text b {
    color: #10b981;
    font-weight: 700;
}

.map-popup-content {
    min-width: 200px;
}

/* Filter Section */
.filter-section {
    margin-top: 16px;
}

.filter-panel {
    display: none;
    padding: 16px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    gap: 16px;
    flex-direction: column;
    transition: background-color 0.3s ease;
}

.filter-panel.active {
    display: flex;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--sidebar-bg);
    cursor: pointer;
    transition: border 0.2s, background-color 0.3s ease;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.filter-clear {
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}

[data-theme="dark"] .filter-clear {
    background: var(--sidebar-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.filter-clear:hover {
    background: var(--bg-secondary);
    border-color: #cbd5e1;
    color: var(--text-primary);
}

.filter-results-container {
    padding: 0 20px;
    margin-top: 12px;
    margin-bottom: 8px;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: #e5edff;
    color: #1d4ed8;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-chip .chip-close {
    font-size: 12px;
}

.filter-chip:hover {
    background: #dbeafe;
}

.filter-results-count {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 4px;
}

.filter-info {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 11px;
    color: #94a3b8;
    line-height: 1.5;
}

/* Leaflet Dark Mode Styles */
[data-theme="dark"] .leaflet-popup-content-wrapper {
    background: var(--sidebar-bg);
    color: var(--text-primary);
    border-radius: 8px;
}

[data-theme="dark"] .leaflet-popup-tip {
    background: var(--sidebar-bg);
}

[data-theme="dark"] .leaflet-popup-close-button {
    color: var(--text-primary);
}

[data-theme="dark"] .leaflet-popup-close-button:hover {
    color: var(--accent-blue);
}

/* Marker Cluster Dark Mode */
[data-theme="dark"] .marker-cluster-small {
    background-color: rgba(59, 130, 246, 0.6);
    color: #ffffff;
}

[data-theme="dark"] .marker-cluster-medium {
    background-color: rgba(59, 130, 246, 0.7);
    color: #ffffff;
}

[data-theme="dark"] .marker-cluster-large {
    background-color: rgba(59, 130, 246, 0.8);
    color: #ffffff;
}

.filter-select-disabled {
    background: #f1f5f9;
    color: #9ca3af;
}