:root {
    --bg-dark: #121212;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --glass-bg: rgba(20, 20, 25, 0.75);
    --glass-border: rgba(255, 255, 255, 0.15);
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100vh;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
}

#map {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Sidebar */
.sidebar {
    position: absolute;
    top: 24px;
    left: 24px;
    z-index: 1000;
    width: 320px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    pointer-events: auto;
}

h1 {
    margin: 0;
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(90deg, #ffffff, #a6bddb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: #ced4da;
}

/* Legend */
.legend-container {
    margin-top: 8px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

h3 {
    margin: 0 0 16px 0;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
}

.legend-scale {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: #e9ecef;
    font-weight: 400;
}

.color-box, .color-picker {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    margin-right: 14px;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.color-picker {
    -webkit-appearance: none;
    appearance: none;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.2);
}

/* Controls */
.controls-container {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--glass-border);
}

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

.slider-group label {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    font-weight: 600;
}

.val-display {
    color: #fff;
    background: rgba(255,255,255,0.15);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

/* Custom Range Slider */
input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    background: transparent;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: #a6bddb;
    cursor: pointer;
    margin-top: -7px;
    box-shadow: 0 0 6px rgba(0,0,0,0.5);
    transition: transform 0.1s;
}
input[type=range]::-webkit-slider-thumb:active {
    transform: scale(1.2);
}
input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}
input[type=range]:focus {
    outline: none;
}

.methodology-note {
    margin-top: 20px;
    color: var(--text-secondary);
    line-height: 1.5;
    background: rgba(0,0,0,0.25);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
}

/* Custom Tooltip */
.leaflet-tooltip.custom-tooltip {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    color: #fff;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    min-width: 220px;
}
.leaflet-tooltip-left.custom-tooltip::before,
.leaflet-tooltip-right.custom-tooltip::before,
.leaflet-tooltip-top.custom-tooltip::before,
.leaflet-tooltip-bottom.custom-tooltip::before {
    display: none; /* Hide default arrow to keep glass look clean */
}

.tooltip-title {
    font-weight: 700;
    margin-bottom: 12px;
    font-size: 15px;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    padding-bottom: 8px;
}
.tooltip-stat {
    margin: 8px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.tooltip-val {
    font-weight: 600;
    color: #a6bddb;
    text-align: right;
}

/* Map specific overrides */
.leaflet-container {
    background: var(--bg-dark);
}
.leaflet-control-zoom {
    border: none !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3) !important;
}
.leaflet-control-zoom a {
    background: var(--glass-bg) !important;
    color: #fff !important;
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border) !important;
}
.leaflet-control-zoom a:hover {
    background: rgba(40, 40, 50, 0.9) !important;
}

/* Custom Popup container for Mobile */
.leaflet-popup-content-wrapper {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border) !important;
    color: #fff !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5) !important;
}
.leaflet-popup-tip {
    background: rgba(20, 20, 25, 0.9) !important;
    box-shadow: none !important;
}
.leaflet-popup-close-button {
    color: #fff !important;
    padding: 8px !important;
}
.leaflet-popup-content {
    margin: 16px !important;
    font-family: 'Inter', sans-serif;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .sidebar {
        top: auto;
        bottom: 0;
        left: 0;
        width: 100%;
        max-width: none;
        max-height: 40vh;
        border-radius: 20px 20px 0 0;
        padding: 20px;
        box-sizing: border-box;
        overflow-y: auto;
        border-left: none;
        border-right: none;
        border-bottom: none;
        box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
    }
    
    h1 {
        font-size: 24px;
    }
    
    /* Disable hover tooltips on mobile, rely on popups */
    .hover-tooltip {
        display: none !important;
    }
    
    /* Move attribution up to not be hidden by sidebar */
    .leaflet-control-attribution {
        margin-bottom: 42vh !important;
    }
}