/* Define new variable */
:root {
    --bg-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    --text-primary: #fff;
    --text-secondary: #a8d8ff;
    --ui-bg: rgba(255, 255, 255, 0.1);
    --ui-border: rgba(255, 255, 255, 0.2);
    --accent-primary: #4facfe;
    --selection-bg: rgba(79, 172, 254, 0.25);
    --selection-border: #4facfe;
    --marker-colour: #f39c12;
    --ui-bg-option: #2a5298; /* Dark blue for dark mode options */
}

.light-mode {
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --text-primary: #333;
    --text-secondary: #555;
    --ui-bg: rgba(255, 255, 255, 0.8);
    --ui-border: rgba(0, 0, 0, 0.1);
    --accent-primary: #007bff;
    --selection-bg: rgba(0, 123, 255, 0.25);
    --selection-border: #007bff;
    --marker-colour: #ffc107;
    --ui-bg-option: #f9f9f9; /* Light gray for light mode options */
}

* { margin: 0; padding: 0; box-sizing: border-box; } /* ... existing styles ... */

.input-group select option {
    background-color: var(--ui-bg-option);
    color: var(--text-primary);
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 0; /* Remove padding from body */
    user-select: none;
    display: flex; /* Added for main app layout */
    flex-direction: column; /* Added for main app layout */
}

.container {
    margin: 0 auto; 
    background: var(--ui-bg); 
    backdrop-filter: blur(10px);
    border-radius: 20px; 
    border: 1px solid var(--ui-border); 
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow: hidden; 
    display: flex; 
    flex-direction: column; 
    min-height: 100vh; /* Fill full viewport height */
    flex-grow: 1; /* Ensure container fills available space */
    width: 100%; /* Ensure it takes full width */
}

.top-bar {
    background: rgba(0, 0, 0, 0.2); 
    padding: 10px 25px; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.1); 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
}

.app-title {
    font-size: 1.4em; 
    font-weight: 700; 
    background: linear-gradient(45deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    display: inline-block;
}

.stats-bar {
    display: flex;
    gap: 10px;
    align-items: center;
}

.main-content {
    display: flex;
    flex-grow: 1;
}

.sidebar {
    width: 350px; 
    background: rgba(0, 0, 0, 0.1);
    border-right: 1px solid var(--ui-border);
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.map-container {
    flex-grow: 1;
    background-color: #e0e0e0; /* Fallback */
}

#map {
    height: 100%;
    width: 100%;
}

/* Form Elements */
.form-section h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--accent-primary);
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-secondary);
}

.input-group input[type="file"],
.input-group input[type="number"],
.input-group select,
.input-group textarea {
    background: var(--ui-bg); 
    border: 1px solid var(--ui-border); 
    color: var(--text-primary);
    padding: 6px 10px; 
    border-radius: 8px; 
    font-size: 0.85em;
    width: calc(100% - 10px); /* Adjusted for padding */
    box-sizing: border-box;
}

.input-group select:focus, 
.input-group input[type=number]:focus, 
.input-group textarea:focus {
    outline: none; 
    border-color: var(--accent-primary); 
    box-shadow: 0 0 0 3px var(--selection-bg);
}

.input-group textarea {
    width: 100%; /* Make it fill the available width */
    resize: vertical;
}

/* Buttons */
.button, .btn-primary, .btn-secondary, .btn-danger {
    color: white; 
    padding: 8px 16px; 
    border: none; 
    border-radius: 12px; 
    cursor: pointer;
    font-weight: 600; 
    font-size: 0.9em; 
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.4); /* Darker background for general buttons */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin-right: 5px; /* Keep some margin */
}

.button:hover:not(:disabled), 
.btn-primary:hover:not(:disabled), 
.btn-secondary:hover:not(:disabled), 
.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.button:disabled, 
.btn-primary:disabled, 
.btn-secondary:disabled, 
.btn-danger:disabled {
    background: #555;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-primary {
    background: linear-gradient(45deg, var(--accent-primary), #00f2fe);
    box-shadow: 0 4px 15px var(--selection-bg);
}

.btn-secondary {
    background: rgba(0, 0, 0, 0.4);
}

.btn-danger {
    background: linear-gradient(45deg, #dc3545, #ff6b6b);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.4);
}

.theme-toggle-btn {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    padding: 0;
    color: var(--text-primary); /* Use theme variable */
}

/* Tab Styling */
.sidebar-tabs {
    margin-top: 15px;
    border-bottom: 1px solid var(--ui-border);
}

.tab-header {
    display: flex;
    margin-bottom: 10px;
}

.tab-link {
    flex-grow: 1;
    padding: 10px 15px;
    border: 1px solid var(--ui-border);
    border-bottom: none;
    background: var(--ui-bg);
    color: var(--text-primary);
    cursor: pointer;
    text-align: center;
    border-top-left-radius: 8px; /* Increased radius */
    border-top-right-radius: 8px; /* Increased radius */
    transition: all 0.2s ease;
}

.tab-link:hover:not(.active) {
    background: rgba(255, 255, 255, 0.15);
}

.tab-link.active {
    background: var(--bg-gradient); /* Active tab uses gradient */
    border-bottom: 1px solid transparent; /* Hide bottom border */
    color: var(--text-primary);
    font-weight: bold;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2); /* Subtle shadow for active tab */
}

.tab-content {
    padding-top: 10px;
    border-top: 1px solid var(--ui-border);
}

/* LOB List */
.lob-list-container {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--ui-border);
    padding: 10px;
    border-radius: 8px; /* Increased radius */
    background: var(--ui-bg);
}

.lob-list-container ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lob-list-container li {
    margin-bottom: 5px;
}

.lob-list-container label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--text-secondary);
}

.lob-list-container input[type="checkbox"] {
    margin-right: 8px;
    accent-color: var(--accent-primary); /* Style checkbox */
}

/* Results Textarea Styling to match LOBs list */
#results {
    padding: 10px; /* Match lob-list-container padding */
    font-size: 0.9em; /* Slightly larger than 0.85em for better readability in results */
    line-height: 1.4; /* Improve readability */
    box-sizing: border-box; /* Ensure padding is included in width */
    width: 100%; /* Explicitly set width to 100% */
}
/* LOB Table Styling */
.lob-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9em;
}

.lob-table th, .lob-table td {
    border: 1px solid var(--ui-border);
    padding: 5px;
    text-align: left;
}

.lob-table th {
    background-color: rgba(0, 0, 0, 0.2); /* Darker background for headers */
    color: var(--text-primary);
    font-weight: bold;
}

.lob-table tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.05); /* Subtle stripe for readability */
}

.lob-table tbody tr:hover {
    background-color: var(--selection-bg); /* Highlight on hover */
}

.lob-table input[type="checkbox"] {
    margin: 0; /* Remove default margin */
}

/* Leaflet Map Overrides */
.leaflet-control-container .leaflet-control-attribution {
    background: rgba(0, 0, 0, 0.7); /* Dark background for attribution */
    color: var(--text-primary);
}

/* Map filter for dark mode - not needed with themed base layers */
/* #map.dark-mode-filter {
    filter: invert(100%) hue-rotate(180deg) brightness(90%) contrast(100%);
} */