/* --- Theme Variables --- */
:root {
    /* Light Mode Backgrounds */
    --bg-primary: #fdfaf6; /* Lighter base */
    --bg-secondary: #f4f0eb; /* Slightly darker secondary */

    /* Light Mode Text */
    --text-primary: #6b2c25; /* User's Primary Color */
    --text-secondary: #bb9b73; /* User's Default Link Color */
    --popup-text: var(--text-primary); /* Match main text */

    /* Light Mode UI Elements */
    --border-color: #dcd3c8; /* Desaturated brown */
    --highlight-bg: rgba(212, 163, 106, 0.3); /* Based on Chapter Color w/ alpha */
    --active-bg: rgba(189, 137, 77, 0.5); /* Based on Page Color w/ alpha */
    --shadow-color: rgba(107, 44, 37, 0.15); /* Shadow based on primary */
    --slider-bg: #d4a36a; /* Chapter Color */
    --slider-color: white;
    --font-family-main: 'EB Garamond', serif;

    /* Light Mode Frosted Glass */
    --glass-bg-light: rgba(253, 250, 246, 0.75); /* Based on bg-primary w/ alpha */
    --glass-border-light: rgba(160, 82, 45, 0.3); /* Based on Shelf Color w/ alpha */

    /* Star Field Variables */
    --stars-small: 2px;
    --stars-medium: 3px;
    --stars-large: 4px;

    /* Scrollbar Variables (Light) */
    --scrollbar-track: rgba(0, 0, 0, 0.05);
    --scrollbar-thumb: rgba(160, 82, 45, 0.5);
    --scrollbar-thumb-hover: rgba(160, 82, 45, 0.7);
}

/* --- Custom Scrollbars --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

body.dark-theme {
    /* Dark Mode Backgrounds */
    --bg-primary: #222034; /* Darker version of user's primary */
    --bg-secondary: #1b1830; /* Even darker */

    /* Dark Mode Text */
    --text-primary: #e8e6f2; /* Light text for contrast */
    --text-secondary: #b9b8e0; /* User's Default Link Color */
    --popup-text: var(--text-primary);

    /* Dark Mode UI Elements */
    --border-color: #524f6c; /* User's Primary Color */
    --highlight-bg: rgba(237, 174, 73, 0.3); /* Based on Chapter Color w/ alpha */
    --active-bg: rgba(66, 159, 227, 0.4); /* Based on Page Color w/ alpha */
    --shadow-color: rgba(0, 0, 0, 0.3); /* Darker shadow */
    --slider-bg: #555;
    --slider-color: #429fe3; /* User's Page Color */
    /* font-family is inherited */

    /* Dark Mode Frosted Glass */
    --glass-bg-dark: rgba(34, 33, 50, 0.7); /* Based on user's primary w/ alpha */
    --glass-border-dark: rgba(245, 67, 91, 0.3); /* Based on Shelf Color w/ alpha */

    /* Scrollbar Variables (Dark) */
    --scrollbar-track: rgba(255, 255, 255, 0.05);
    --scrollbar-thumb: rgba(114, 111, 150, 0.6);
    --scrollbar-thumb-hover: rgba(114, 111, 150, 0.8);
}

/* --- Keyframes for WIP Popup Gradient Pulse --- */
@keyframes pulseGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* --- Keyframes for Twinkling Stars --- */
@keyframes twinkle {
    0% { opacity: 0.2; }
    50% { opacity: 1; }
    100% { opacity: 0.2; }
}

/* --- Base Dark Theme Map Style --- */
body.dark-theme #map-container {
    background: radial-gradient(ellipse at bottom, #1B2735 0%, #090A0F 100%);
}

body.dark-theme #map {
    background: transparent !important;
    position: relative;
    overflow: hidden;
}


/* --- Keyframes for Moving Clouds --- */
@keyframes moveClouds {
    from { background-position-x: 0; }
    to { background-position-x: 1000px; } /* Adjust value based on image width & desired speed */
}

#map-blurb a,
#map-blurb a:link,
#map-blurb a:visited {
    color: inherit; /* Inherit color from blurb text */
    text-decoration: underline; /* Standard link underline */
    transition: color 0.2s ease;
}

#map-blurb a:hover,
#map-blurb a:active {
    color: var(--text-secondary); /* Use secondary color on hover */
    text-decoration: none; /* Optional: remove underline on hover */
}

/* Ensure dark theme hover looks okay (it should inherit fine, but explicit rule is safe) */
body.dark-theme #map-blurb a:hover,
body.dark-theme #map-blurb a:active {
        color: var(--text-secondary);
}


/* Apply Variables & Base Styles */
html, body {
    height: 100%; margin: 0; padding: 0; font-family: var(--font-family-main);
    background-color: var(--bg-primary); color: var(--text-primary);
    overflow: hidden; transition: background-color 0.3s ease, color 0.3s ease;
}
.container { display: flex; height: 100%; width: 100%; }

/* Sidebar styling */
#sidebar {
    background-color: var(--glass-bg-light); backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); border-right: 1px solid var(--glass-border-light);
    width: 250px; padding: 15px; box-shadow: 2px 0 15px var(--shadow-color);
    overflow-y: auto; flex-shrink: 0;
    transition: width 0.3s ease, padding 0.3s ease, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    box-sizing: border-box; position: relative; display: flex; flex-direction: column;
}
body.dark-theme #sidebar { background-color: var(--glass-bg-dark); border-right-color: var(--glass-border-dark); }
#sidebar h2 {
    margin-top: 0; margin-bottom: 15px; font-size: 1.5rem; font-weight: 600;
    border-bottom: 1px solid var(--glass-border-light); padding-bottom: 10px;
    white-space: nowrap; color: var(--text-primary); flex-shrink: 0;
}
body.dark-theme #sidebar h2 { border-bottom-color: var(--glass-border-dark); }

/* Sidebar List Styling */
#map-list { list-style: none; padding: 0; margin: 0; overflow-y: auto; flex-grow: 1; }
#map-list li { border-radius: 4px; margin-bottom: 3px; overflow: hidden; }
.map-item {
    padding: 10px 10px 10px 15px; cursor: pointer; transition: background-color 0.2s ease;
    white-space: nowrap; text-overflow: ellipsis; font-size: 1.1rem;
    background-color: transparent; display: block;
}
.map-item:hover { background-color: var(--highlight-bg); }
.map-item.active { background-color: var(--active-bg); font-weight: 600; }
.folder-header {
    padding: 10px 5px; cursor: pointer; font-weight: bold; display: flex;
    align-items: center; transition: background-color 0.2s ease; background-color: transparent;
    user-select: none; /* Prevent text selection on double click */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}
.folder-header:hover { background-color: var(--highlight-bg); }
/* Style active folder header */
.folder-header.active {
        background-color: var(--active-bg);
        font-weight: 600; /* Match map item active style */
}
.folder-toggle-icon { display: inline-block; width: 1.2em; text-align: center; margin-right: 5px; transition: transform 0.2s ease-in-out; }
.folder.closed > .folder-header .folder-toggle-icon::before { content: '▸'; }
.folder:not(.closed) > .folder-header .folder-toggle-icon::before { content: '▾'; }
.nested-list { list-style: none; padding: 0; margin: 0 0 0 15px; max-height: 1000px; overflow: hidden; transition: max-height 0.3s ease-out; }
.folder.closed > .nested-list { max-height: 0; }

/* --- Coming Soon Sidebar Item Styling --- */
.map-item.coming-soon, .folder-header.coming-soon {
    color: var(--text-secondary); /* Use secondary text color */
    font-style: italic;
    cursor: not-allowed; /* Indicate non-interactive */
    opacity: 0.7;
}
/* Optional: Prevent hover effect or use a different one */
.map-item.coming-soon:hover, .folder-header.coming-soon:hover {
    background-color: transparent; /* No highlight on hover */
}
/* Ensure dark theme also looks disabled */
body.dark-theme .map-item.coming-soon,
body.dark-theme .folder-header.coming-soon {
        color: var(--text-secondary); /* Already uses variable */
}
body.dark-theme .map-item.coming-soon:hover,
body.dark-theme .folder-header.coming-soon:hover {
        background-color: transparent;
}

/* Map container */
#map-container { flex-grow: 1; height: 100%; position: relative; overflow: hidden; }
#map {
    height: 100%; width: 100%;
    background-color: var(--bg-secondary);
    transition: background-color 0.3s ease;
    position: relative; /* Needed for pseudo-elements */
    overflow: hidden; /* Needed for pseudo-elements */
}
/* --- NEW: Cursor style for measurement tool --- */
#map.measuring-cursor {
    cursor: crosshair;
}
body.dark-theme #map {
    /* background-image: url('images/night-sky.png'); */ /* Base static stars - REMOVED for CSS stars */
    background-repeat: repeat;
    background-color: #050510;
}

/* --- Moving Clouds Effect (Light Mode Only) --- */
/* Base sky gradient on the map container itself */
body:not(.dark-theme) #map {
    background: linear-gradient(to top, #fdfaf6 0%, #BFE9FF 100%);
}

body:not(.dark-theme) #map::before,
body:not(.dark-theme) #map::after {
    background-image: url('../images/clouds.webp');
    background-repeat: repeat-x;
    background-size: auto 400px; /* Increased size slightly */
    width: 100%;
    animation-name: moveClouds;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    transition: opacity 0.5s ease-in-out;
    z-index: 0;
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    pointer-events: none;
    mix-blend-mode: soft-light; /* Blend with gradient */
    filter: sepia(10%); /* Subtle antique touch */
}

body:not(.dark-theme) #map::before {
    background-position: 0 10%;
    opacity: 0.6;
    animation-duration: 90s; /* Slower drift */
}

body:not(.dark-theme) #map::after {
    background-position: 0 40%;
    opacity: 0.4;
    animation-duration: 140s;
    animation-delay: -20s;
    transform: scaleX(-1); /* Flip second layer for variety */
}

body.embedded-view #search-control-container {
    bottom: 10px; /* Adjust from 40px when bottom bar is hidden */
}
/* --- Generative Dark Theme Stars --- */
/*
   Star field is generated via CSS box-shadows.
   See css/stars.css for the actual star definitions to keep this file clean.
*/
#star-field {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100; /* Ensure it overlays the map if needed, or sits on top of background */
}

/* Base styles for stars */
.star-layer {
    content: ' ';
    position: absolute;
    top: 0;
    left: 0;
    background: transparent;
}

/* Specific layers */
.stars-small {
    width: var(--stars-small);
    height: var(--stars-small);
}

.stars-medium {
    width: var(--stars-medium);
    height: var(--stars-medium);
}

.stars-large {
    width: var(--stars-large);
    height: var(--stars-large);
}
/* --- End Theme Effects --- */


/* Map Blurb */
#map-blurb {
    position: absolute;
    top: 50px; 
    right: 10px;
    z-index: 999;
    background-color: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border-light);
    color: var(--popup-text); /* Use popup text color */
    border-radius: 6px;
    padding: 8px 12px;
    max-width: 250px; /* Limit width */
    font-size: 0.9rem;
    box-shadow: 0 1px 5px var(--shadow-color);
    opacity: 0; /* Hidden by default */
    pointer-events: none; /* Don't block map clicks when hidden */
    transition: opacity 0.3s ease, transform 0.3s ease; /* Add transform to transition */
    transform: scale(0.95); /* Start slightly smaller */
    transform-origin: top right; /* Animate from the corner */
}
#map-blurb.visible {
    opacity: 1;
    transform: scale(1); /* Scale to full size when visible */
    pointer-events: auto;
}
body.dark-theme #map-blurb {
    background-color: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}

/* Popups */
.leaflet-popup-content-wrapper { background: var(--glass-bg-light); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: var(--popup-text); border-radius: 8px; box-shadow: 0 3px 14px var(--shadow-color); border: 1px solid var(--glass-border-light); }
.leaflet-popup-tip { background: transparent; box-shadow: none; }
body.dark-theme .leaflet-popup-content-wrapper { background: var(--glass-bg-dark); border-color: var(--glass-border-dark); }
.leaflet-popup-content { margin: 15px; font-size: 1.1rem; line-height: 1.5; }
.leaflet-popup-content h3 { margin: 0; font-size: 1.3rem; font-weight: 600; color: var(--popup-text); }
.popup-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.share-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px 5px;
    opacity: 0.6;
    transition: opacity 0.2s, transform 0.2s;
    display: inline-flex;
    align-items: center;
    color: var(--text-secondary); /* Use secondary text color for icon */
}
.share-btn:hover {
    opacity: 1;
    color: var(--text-primary); /* Use primary text color on hover */
    transform: scale(1.1);
}
.share-btn svg {
    pointer-events: none; /* Let clicks pass through to button */
}
.leaflet-popup-content ul { list-style-type: none; padding: 0; margin: 5px 0 0 0; }
.leaflet-popup-content li { margin-bottom: 3px; font-size: 0.95rem; }
.dark-theme .leaflet-popup-close-button { color: var(--text-secondary); }
.dark-theme .leaflet-popup-close-button:hover { color: var(--text-primary); }

/* --- NEW: Popup Content Limiting --- */
.popup-content-container {
    max-height: 150px; /* Initial max height */
    overflow: hidden;
    position: relative;
    transition: max-height 0.4s ease-in-out;
}
.popup-content-container.expanded {
    max-height: 500px; /* Height when expanded */
    overflow-y: auto; /* Add scrollbar if content overflows */
}
.popup-read-more {
    text-align: center;
    padding-top: 5px;
    margin-top: -5px; /* Overlap the fade */
    position: relative;
    z-index: 2;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: bold;
}
.popup-summary { display: block; }
.popup-full-content { display: none; }
.popup-content-container.expanded .popup-summary { display: none; }
.popup-content-container.expanded .popup-full-content { display: block; }
.popup-read-more:hover {
    text-decoration: underline;
}
/* Gradient fade-out effect for non-expanded popups */
.popup-content-container:not(.expanded)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: transparent;
    pointer-events: none;
    z-index: 1;
}
body.dark-theme .popup-content-container:not(.expanded)::after {
    background: transparent;
}


/* --- Popup Link Styling --- */
.leaflet-popup-content h3 a,
.leaflet-popup-content h3 a:link,
.leaflet-popup-content h3 a:visited {
    color: inherit; /* Inherit color from the h3 (uses --popup-text) */
    text-decoration: none; /* Remove default underline */
    border-bottom: 1px dotted; /* Subtle underline */
    transition: color 0.2s ease, border-bottom-color 0.2s ease;
}
.leaflet-popup-content h3 a:hover,
.leaflet-popup-content h3 a:active {
    color: var(--text-secondary); /* Use secondary color on hover */
    border-bottom-style: solid; /* Make underline solid on hover */
}
/* Ensure dark theme hover looks okay */
body.dark-theme .leaflet-popup-content h3 a:hover,
body.dark-theme .leaflet-popup-content h3 a:active {
        color: var(--text-secondary); /* Already uses variable */
}
/* Buttons */
#toggle-sidebar-btn {
    position: absolute;
    bottom: 43px;
    left: 15px;
    /* Change z-index from 1000 to 1002 (or higher than the popup) */
    z-index: 1002;
    background-color: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border-light);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 5px 8px;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    box-shadow: 0 1px 5px var(--shadow-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}
#toggle-sidebar-btn:hover { background-color: rgba(255, 255, 255, 0.75); }
body.dark-theme #toggle-sidebar-btn { background-color: var(--glass-bg-dark); border-color: var(--glass-border-dark); }
body.dark-theme #toggle-sidebar-btn:hover { background-color: rgba(70, 70, 70, 0.75); }
.container.sidebar-collapsed #sidebar { width: 0; padding-left: 0; padding-right: 0; overflow: hidden; border-right: none; }

.leaflet-top.leaflet-left {
    display: flex;
    align-items: flex-start;
}
/* Default Leaflet Zoom Control Styling */
.leaflet-control-zoom a { background-color: var(--glass-bg-light); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border: 1px solid var(--glass-border-light); color: var(--text-primary); border-bottom: 1px solid var(--glass-border-light); transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease; }
.leaflet-control-zoom-in { border-bottom: 1px solid var(--glass-border-light); border-radius: 4px 4px 0 0; }
.leaflet-control-zoom-out { border-radius: 0 0 4px 4px; border: 1px solid var(--glass-border-light); border-top: none; }
.leaflet-control-zoom a:hover { background-color: rgba(255, 255, 255, 0.75); color: #000; }
body.dark-theme .leaflet-control-zoom a { background-color: var(--glass-bg-dark); border-color: var(--glass-border-dark); color: var(--text-primary); }
body.dark-theme .leaflet-control-zoom-in { border-bottom: 1px solid var(--glass-border-dark); }
body.dark-theme .leaflet-control-zoom-out { border: 1px solid var(--glass-border-dark); border-top: none; }
body.dark-theme .leaflet-control-zoom a:hover { background-color: rgba(70, 70, 70, 0.75); color: #fff; }

/* --- Coordinate Display Control --- */
.coordinate-control {
    position: absolute;
    top: 10px;
    left: 50px; /* Offset to the right of the button stack */
    z-index: 1000;
    background-color: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border-light);
    color: var(--text-primary);
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
    box-shadow: 0 1px 5px var(--shadow-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    display: none; /* Hide by default */
    white-space: nowrap; /* Prevent wrapping */
}
body.dark-theme .coordinate-control {
    background-color: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}
.copy-coords-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1em;
    padding: 0 0 0 5px;
    transition: transform 0.2s ease-in-out, color 0.2s ease-in-out;
    position: relative; /* For positioning copied message */
    width: 20px; /* Give it a fixed width */
    text-align: center;
}
.copy-coords-btn .copy-coords-icon {
    display: inline-block;
    transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out;
}
.copy-coords-btn .copy-coords-copied-msg {
    display: inline-block;
    position: absolute;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out;
    font-size: 0.9em;
    font-weight: bold;
    color: var(--text-secondary);
    pointer-events: none; /* Don't intercept clicks */
}
.copy-coords-btn.copied .copy-coords-icon {
    opacity: 0;
    transform: translateY(-10px);
}
.copy-coords-btn.copied .copy-coords-copied-msg {
    opacity: 1;
    transform: translateY(0);
}
/* --- Map Control Container --- */
#map-controls-container {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 5px; /* Space between buttons */
    align-items: flex-start; /* Prevent stretching buttons to width of coordinates */
}

/* --- Map Control Buttons Common Style --- */
.map-control-button {
    /* No absolute positioning here anymore */
    background-color: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border-light);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 0; /* Remove padding for icon */
    width: 32px; /* Match zoom control width */
    height: 30px; /* Match zoom control height */
    cursor: pointer;
    font-size: 1.4rem; /* Adjust icon size */
    line-height: 30px; /* Center icon vertically */
    text-align: center;
    box-shadow: 0 1px 5px var(--shadow-color);
    transition: all 0.2s ease; /* Smooth transition for all properties */
    display: none; /* Hide by default, shown via JS */
}
.map-control-button:hover {
    background-color: var(--highlight-bg); /* Use theme highlight */
    transform: scale(1.05); /* Subtle scale effect */
    box-shadow: 0 4px 8px var(--shadow-color);
}

/* --- Zoom Buttons (Custom) --- */
#custom-zoom-in, #custom-zoom-out, #help-btn {
    display: block; /* Always visible */
}

/* --- CORRECTED: Blurb Toggle Button --- */
#toggle-blurb-btn {
    position: absolute; /* Keep it absolute */
    top: 10px;
    right: 10px; /* Position in the top right corner */
    z-index: 1000; /* Ensure it's above the map */
    display: none; /* Hide by default, JS will show it */
}
#toggle-blurb-btn.active {
        background-color: var(--active-bg);
}
/* --- END CORRECTION --- */

body.dark-theme .map-control-button {
    background-color: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
    color: var(--text-primary);
}
body.dark-theme .map-control-button:hover {
    background-color: rgba(70, 70, 70, 0.75);
}
/* --- END: Map Control Buttons Common Style --- */

/* Marker Toggle Button (Now controls Markers & Regions) */
#toggle-markers-btn {
    /* Inherits from .map-control-button */
}
#toggle-markers-btn svg {
    opacity: 1; /* Default: visible */
    transition: opacity 0.2s ease;
}
#toggle-markers-btn.markers-hidden svg {
    opacity: 0.5; /* Dimmed when hidden */
}

/* --- Filter Toggle Button (Now uses Map Icon) --- */
#toggle-filters-btn {
    /* Inherits from .map-control-button */
}
#toggle-filters-btn.active {
        background-color: var(--active-bg); /* Use active color */
}
body.dark-theme #toggle-filters-btn.active {
        background-color: var(--active-bg); /* Use active color */
}
/* --- END: Filter Toggle Button --- */

/* --- Filter Panel Styling (Now includes POI and Region filters) --- */
#poi-filter-container {
    position: absolute;
    top: 110px; /* Align near the filter button */
    left: 50px; /* Position to the right of the button */
    z-index: 999; /* Below controls, above map */
    background-color: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border-light);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 10px 15px;
    width: 180px; /* Adjust width as needed */
    max-height: calc(100vh - 200px); /* Limit height */
    overflow-y: auto;
    box-shadow: 0 1px 5px var(--shadow-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: scale(0.95);
    transform-origin: top left;
    pointer-events: none; /* Hidden by default */
}
#poi-filter-container.visible {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}
body.dark-theme #poi-filter-container {
    background-color: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}
#poi-filter-container h3 { /* Style for section headers */
    margin-top: 10px; /* Add space above subsequent headers */
    margin-bottom: 8px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding-bottom: 5px;
    border-bottom: 1px solid var(--glass-border-light);
}
#poi-filter-container h3:first-of-type {
        margin-top: 0; /* No top margin for the very first header */
}
body.dark-theme #poi-filter-container h3 {
    border-bottom-color: var(--glass-border-dark);
}
.filter-item {
    display: block;
    margin-bottom: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    user-select: none;
}
.filter-item input[type="checkbox"] {
    margin-right: 8px;
    vertical-align: middle;
    cursor: pointer;
}
.filter-item label {
    vertical-align: middle;
    cursor: pointer;
}

/* --- NEW: Collapsible Filter Group Styling --- */
.filter-group-header {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    font-weight: bold; /* Make the group name stand out */
}
.filter-group-header .folder-toggle-icon { /* Re-use folder icon style */
    display: inline-block;
    width: 1.2em;
    text-align: center;
    margin-right: 5px;
    transition: transform 0.2s ease-in-out;
}
.filter-group.closed > .filter-group-header .folder-toggle-icon::before {
    content: '▸';
}
.filter-group:not(.closed) > .filter-group-header .folder-toggle-icon::before {
    content: '▾';
}
.nested-filter-list {
    list-style: none;
    padding: 0;
    margin: 5px 0 0 20px; /* Indent nested list */
    max-height: 1000px;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.filter-group.closed > .nested-filter-list {
    max-height: 0;
}
/* --- END: Collapsible Filter Group Styling --- */
/* --- END: Filter Panel Styling --- */

/* Measure Tool Button */
#measure-tool-btn {
    /* Inherits from .map-control-button */
}
#measure-tool-btn svg {
    opacity: 0.6; /* Default: slightly dimmed */
    transition: opacity 0.2s ease;
}
#measure-tool-btn.active svg {
    opacity: 1; /* Full opacity when active */
}
#measure-tool-btn.active {
        background-color: var(--active-bg); /* Use active color */
}
body.dark-theme #measure-tool-btn.active {
        background-color: var(--active-bg); /* Use active color */
}

/* Sound Toggle Button */
#toggle-sound-btn {
    /* Inherits from .map-control-button */
    display: block; /* Make visible by default */
}

/* --- Search Control Container (Bottom Center) --- */
#search-control-container {
    position: absolute;
    bottom: 40px; /* Above bottom link bar */
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background-color: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border-light);
    border-radius: 6px;
    padding: 5px 10px;
    box-shadow: 0 -1px 5px var(--shadow-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, opacity 0.3s ease;
    display: none; /* Hidden by default, shown via JS */
}
body.dark-theme #search-control-container {
    background-color: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}
#poi-search-input {
    width: 300px; /* Adjust width */
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    box-sizing: border-box;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
}
/* --- END: Search Control Container --- */

/* --- Search Results Container --- */
#search-results-container {
    position: absolute;
    bottom: 90px; /* Above search bar */
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001; /* Above search bar, potentially above other controls */
    background-color: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border-light);
    border-radius: 6px;
    padding: 5px;
    box-shadow: 0 -1px 5px var(--shadow-color);
    width: 270px; /* Match search bar width roughly */
    max-height: 150px; /* Limit height */
    overflow-y: auto;
    display: none; /* Hidden by default */
    transition: background-color 0.3s ease, border-color 0.3s ease;
}
body.dark-theme #search-results-container {
    background-color: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}
.search-result-item {
    padding: 6px 10px;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 4px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.search-result-item:last-child {
    margin-bottom: 0;
}
.search-result-item:hover {
    background-color: var(--highlight-bg);
}
.search-result-item strong { /* Optional: Highlight matching part */
    font-weight: bold;
    color: var(--text-secondary); /* Or another highlight color */
}
/* --- END: Search Results Container --- */


/* Theme Toggle */
.theme-switch-wrapper { display: flex; align-items: center; margin-top: auto; padding-top: 15px; border-top: 1px solid var(--glass-border-light); flex-shrink: 0; white-space: nowrap; overflow: hidden; }
body.dark-theme .theme-switch-wrapper { border-top-color: var(--glass-border-dark); }
.theme-switch-wrapper span { margin-left: 10px; font-size: 1rem; color: var(--text-secondary); }
.theme-switch { position: relative; display: inline-block; width: 50px; height: 24px; flex-shrink: 0; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: var(--slider-bg); transition: .4s; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .4s; }
input:checked + .slider { background-color: #2196F3; } /* Keep blue for dark mode toggle */
body.dark-theme input:checked + .slider { background-color: var(--slider-color); } /* Use theme variable for dark mode */
body.dark-theme .slider { background-color: var(--slider-bg); } /* Use theme variable for dark mode */
input:checked + .slider:before { transform: translateX(26px); }
.slider.round { border-radius: 24px; }
.slider.round:before { border-radius: 50%; }

/* Bottom Link Bar */
#bottom-link-bar { position: absolute; bottom: 0; left: 0; width: 100%; height: 28px; background-color: var(--glass-bg-light); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); border-top: 1px solid var(--glass-border-light); box-sizing: border-box; display: flex; align-items: center; justify-content: center; padding: 0 15px; z-index: 1000; transition: background-color 0.3s ease, border-color 0.3s ease; }
#bottom-link-bar a { color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; margin: 0 8px; transition: color 0.2s ease; }
#bottom-link-bar a:hover { color: var(--text-primary); text-decoration: underline; }
body.dark-theme #bottom-link-bar { background-color: var(--glass-bg-dark); border-top-color: var(--glass-border-dark); }
body.dark-theme #bottom-link-bar a { color: var(--text-secondary); }
body.dark-theme #bottom-link-bar a:hover { color: var(--text-primary); }

/* WIP Popup */
#wip-popup {
    position: fixed;
    bottom: 40px;
    left: auto;
    transform: none;
    right: 10px;
    z-index: 999;
    padding: 8px 12px;
    border: 1px solid var(--glass-border-light);
    border-radius: 6px;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: border-color 0.3s ease, color 0.3s ease;

    /* New Polished Look: Glassmorphism instead of rainbow gradient */
    background: var(--glass-bg-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-left: 4px solid #ffae70; /* Accent colored border */
}

#wip-popup p { margin: 0; font-size: 0.85rem; color: var(--text-primary); text-align: left; white-space: nowrap; font-weight: 500; }
body.dark-theme #wip-popup {
    background: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
    border-left-color: #f5435b;
}
body.dark-theme #wip-popup p { text-shadow: none; }

/* --- Measurement Tooltip --- */
.leaflet-tooltip.measure-tooltip {
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    box-shadow: none;
    font-size: 0.9rem;
    padding: 3px 6px;
}

#loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1001;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    font-size: 1.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 250px;
}

#loading-indicator.initial-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: none;
    border-radius: 0;
    justify-content: center;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    z-index: 9999;
}

.loading-text {
    margin: 10px 0;
}

.progress-container {
    width: 100%;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    margin-top: 10px;
    overflow: hidden;
}

#loading-indicator.initial-loader .progress-container {
    background-color: var(--border-color);
    width: 300px; /* Fixed width for initial loader */
}

.progress-bar {
    height: 100%;
    width: 0%; /* Starts at 0% */
    background-color: #2196F3;
    border-radius: 5px;
    transition: width 0.3s ease;
}

#loading-indicator.initial-loader .progress-bar {
    background-color: var(--slider-bg); /* Use theme color */
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3); /* Light grey border */
    border-left-color: #fff; /* White for the spinning part */
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    margin-right: 10px; /* Space between spinner and text */
}

#loading-indicator.initial-loader .spinner {
    border-color: var(--border-color);
    border-left-color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-width: 4px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
@media (max-width: 768px) {
    /* Styles specifically for screens 768px wide or less */

    #sidebar {
    width: 200px; /* Example: Make sidebar narrower */
    /* Or you might hide it completely and use the toggle */
    }
    .leaflet-control-zoom {
    display: none;
    }

    .map-control-button {
    /* Example: Make map buttons larger for touch */
    width: 40px;
    height: 40px;
    font-size: 1.6rem;
    line-height: 40px; /* Adjust line-height too */
    }

    /* Adjust button positions if needed */
    /* Flex container handles positioning now */

    #poi-search-input {
    width: 180px; /* Example: Adjust search input width */
    }
    #search-control-container {
        /* Maybe adjust padding or position */
        padding: 5px;
    }

    #map-blurb {
    max-width: 150px;
    font-size: 0.8rem;
    padding: 6px 10px;
    }

    .leaflet-popup-content {
        font-size: 1rem; /* Slightly smaller popup text */
    }

    /* Add other adjustments as needed: font sizes, padding, margins */
}

@media (max-width: 480px) {
    /* Styles for even smaller screens (optional) */
    #sidebar {
        /* Maybe hide it by default on very small screens */
        /* width: 0; */
        /* position: fixed; /* Example: make it an overlay */
        /* height: 100%; */
        /* left: -200px; /* Start off-screen */
        /* transition: left 0.3s ease; */
    }
    /* Add styles to show/hide overlay sidebar */

    #bottom-link-bar {
        font-size: 0.75rem; /* Smaller text on bottom bar */
        height: auto; /* Allow wrapping */
        padding: 5px;
        flex-wrap: wrap; /* Allow links to wrap */
        justify-content: space-around;
    }
        #bottom-link-bar a {
            margin: 2px 5px;
        }

    #search-control-container {
        bottom: 70px;
        z-index: 1005;
    }
    #search-results-container {
        bottom: 115px;
        z-index: 1006;
    }
}
@media (max-width: 600px) { /* Adjust breakpoint as needed */
    #wip-popup {
            /* Keep it at bottom right on small screens too, or adjust if needed */
            left: auto;
            transform: none;
            right: 10px;
            bottom: 60px; /* Above bottom bar which might wrap */
            max-width: calc(100% - 30px);
    }
    #wip-popup.fade-out {
            opacity: 0;
            transform: translateY(15px); /* Optional slide down */
            pointer-events: none; /* Prevent interaction after fading */
    }
}

/* --- MiniMap Positioning --- */
.leaflet-control-minimap {
    margin-bottom: 120px !important; /* Move above the WIP banner */
}

/* --- About / Help Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--glass-bg-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border-light);
    color: var(--text-primary);
    border-radius: 12px;
    width: 100%;
    max-width: 800px;
    height: 80vh; /* Fixed height for stability */
    max-height: 80vh;
    box-shadow: 0 10px 30px var(--shadow-color);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.visible .modal-content {
    transform: scale(1);
}

body.dark-theme .modal-content {
    background-color: var(--glass-bg-dark);
    border-color: var(--glass-border-dark);
}

.modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 10;
    transition: color 0.2s ease;
}

.modal-close-btn:hover {
    color: var(--text-primary);
}

/* --- Modal Tabs --- */
.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--glass-border-light);
    padding: 0 20px;
    background: rgba(0,0,0,0.02);
    flex-shrink: 0;
}

body.dark-theme .modal-tabs {
    border-bottom-color: var(--glass-border-dark);
    background: rgba(255,255,255,0.02);
}

.tab-btn {
    padding: 15px 20px;
    background: none;
    border: none;
    font-family: var(--font-family-main);
    font-size: 1.1rem;
    color: rgba(107, 44, 37, 0.7); /* Darker inactive for light mode */
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
}

body.dark-theme .tab-btn {
    color: var(--text-secondary);
}

.tab-btn:hover {
    color: var(--text-primary);
    background-color: rgba(0,0,0,0.03);
}

.tab-btn.active {
    color: var(--text-primary);
    font-weight: 600;
    border-bottom-color: var(--slider-bg); /* Use theme accent color */
}

/* --- Modal Body --- */
.modal-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px 30px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Modal Content Styles (Adapted from about.html) --- */
.guide-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 768px) {
    .guide-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.guide-section h3, .lore-text h3 {
    margin-top: 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glass-border-light);
    padding-bottom: 8px;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

body.dark-theme .guide-section h3,
body.dark-theme .lore-text h3 {
    border-bottom-color: var(--glass-border-dark);
}

.guide-section ul {
    padding-left: 20px;
    margin: 0;
}

.guide-section li {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.shortcut-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 15px;
    align-items: center;
}

kbd {
    display: inline-block;
    padding: 2px 6px;
    font-family: monospace;
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-width: 24px;
    text-align: center;
    box-shadow: 0 1px 0 var(--shadow-color);
}

.shortcut-desc {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.lore-text p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Drop Cap for Lore in Modal */
.lore-text p:first-of-type::first-letter {
    float: left;
    font-size: 3.5rem;
    line-height: 0.8;
    padding-right: 10px;
    padding-top: 4px;
    color: var(--slider-bg); /* Use accent color */
    font-weight: 700;
}

/* --- Changelog Styling --- */
.changelog-entry {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--glass-border-light);
}

body.dark-theme .changelog-entry {
    border-bottom-color: var(--glass-border-dark);
}

.changelog-entry:last-child {
    border-bottom: none;
}

.changelog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.changelog-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.version-pill {
    background-color: var(--active-bg);
    color: var(--text-primary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--glass-border-light);
}

body.dark-theme .version-pill {
    background-color: var(--active-bg);
    border-color: var(--glass-border-dark);
}

.changelog-list {
    list-style-type: disc;
    padding-left: 20px;
    margin: 0;
}

.changelog-list li {
    margin-bottom: 6px;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* --- Utility Classes --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}