/**
 * DBKK Spatial Hub - Main Stylesheet
 * Inspired by Whitehorse Council Maps design
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Primary Colors - DBKK Blue Theme */
    --primary-color: #1e3a5f;
    --primary-dark: #0f2439;
    --primary-light: #2d5a8f;
    --accent-color: #3498db;
    --accent-hover: #2980b9;

    /* Neutral Colors */
    --bg-color: #f5f7fa;
    --surface-color: #ffffff;
    --border-color: #e1e5eb;
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;

    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Layout */
    --header-height: 56px;
    --sidebar-width: 300px;
    --sidebar-collapsed-width: 0px;
    --toolbar-width: 48px;
    --info-panel-width: 350px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index layers */
    --z-map: 1;
    --z-toolbar: 100;
    --z-sidebar: 200;
    --z-header: 300;
    --z-panel: 400;
    --z-modal: 500;
    --z-toast: 600;
    --z-loading: 700;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* ============================================
   Header
   ============================================ */
#app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    z-index: var(--z-header);
    box-shadow: var(--shadow-md);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hamburger menu button - visible on all screen sizes */
#menu-toggle-btn.menu-toggle {
    display: flex;
    width: 40px;
    height: 40px;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    flex-shrink: 0;
}

#menu-toggle-btn.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text .title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.logo-text .subtitle {
    font-size: 11px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-center {
    flex: 1;
    max-width: 500px;
    margin: 0 24px;
}

#search-container {
    position: relative;
    width: 100%;
}

#search-input {
    width: 100%;
    padding: 10px 44px 10px 16px;
    border: none;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 14px;
    transition: background var(--transition-fast);
}

#search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

#search-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.25);
}

#search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    padding: 8px;
    color: white;
    cursor: pointer;
    border-radius: 50%;
    transition: background var(--transition-fast);
}

#search-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ============================================
   Search Results Dropdown
   ============================================ */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--surface-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    max-height: 320px;
    overflow-y: auto;
    z-index: calc(var(--z-header) + 10);
}

.search-results.hidden {
    display: none;
}

.search-result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    cursor: pointer;
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

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

.search-result-item:hover,
.search-result-item.focused {
    background: var(--bg-color);
}

.search-result-item:active {
    background: var(--border-color);
}

.search-result-item .result-title {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.search-result-item .result-area {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: 12px;
    white-space: nowrap;
}

.search-result-item.no-results {
    color: var(--text-muted);
    font-style: italic;
    cursor: default;
    justify-content: center;
}

.search-result-item.no-results:hover {
    background: transparent;
}

.search-result-item.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-secondary);
    cursor: default;
}

.search-result-item.loading:hover {
    background: transparent;
}

/* Small spinner for search loading state */
.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

#coordinate-display {
    display: flex;
    gap: 12px;
    font-size: 12px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    opacity: 0.9;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

#user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

#user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

#user-name {
    font-weight: 500;
}

.badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
}

.badge.admin { background: var(--error-color); }
.badge.editor { background: var(--warning-color); color: #000; }
.badge.viewer { background: var(--info-color); }

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: inherit;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* ============================================
   Main Content Area
   ============================================ */
#app-main {
    display: flex;
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* ============================================
   Sidebar
   ============================================ */
#sidebar {
    position: relative;
    width: var(--sidebar-width);
    background: var(--surface-color);
    border-right: 1px solid var(--border-color);
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal), transform var(--transition-normal);
    overflow: visible;
}

#sidebar .sidebar-content {
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
}

#sidebar:not(.sidebar-open) {
    width: 0;
    transform: translateX(-100%);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sidebar) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar-toggle {
    display: none; /* Hidden - using hamburger menu instead */
}

#sidebar-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
    transition: background var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

#sidebar-toggle-btn svg {
    width: 16px;
    height: 16px;
}

#sidebar-toggle-btn:hover {
    background: var(--bg-color);
}

#sidebar:not(.sidebar-open) #sidebar-toggle-btn svg {
    transform: rotate(180deg);
}

/* Sidebar close button for mobile */
.sidebar-close-btn {
    display: none;
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    z-index: 10;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

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

.sidebar-panel {
    border-bottom: 1px solid var(--border-color);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.panel-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-content {
    padding: 8px;
    max-height: 300px;
    overflow-y: auto;
}

/* Legend Styles */
.legend-layer {
    margin-bottom: 12px;
}

.legend-layer-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-color);
}

.legend-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
}

.legend-symbol {
    width: 20px;
    height: 14px;
    border-radius: 2px;
    flex-shrink: 0;
}

.legend-label {
    color: var(--text-secondary);
}

/* Layer Groups */
.layer-group {
    margin-bottom: 4px;
}

.layer-group-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--bg-color);
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    transition: background var(--transition-fast);
}

.layer-group-header:hover {
    background: var(--border-color);
}

.layer-group-header svg {
    transition: transform var(--transition-fast);
}

.layer-group.collapsed .layer-group-header svg {
    transform: rotate(-90deg);
}

.layer-group.collapsed .layer-group-content {
    display: none;
}

.layer-group-content {
    padding: 4px 0 4px 20px;
}

/* Layer Items */
.layer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.layer-item:hover {
    background: var(--bg-color);
}

.layer-item input[type="checkbox"],
.layer-item input[type="radio"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.layer-item label {
    flex: 1;
    cursor: pointer;
    font-size: 13px;
}

.layer-item .layer-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.layer-item:hover .layer-actions {
    opacity: 1;
}

.layer-action-btn {
    padding: 4px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.layer-action-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.empty-message {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

/* ============================================
   Map Container
   ============================================ */
#map-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

#map {
    width: 100%;
    height: 100%;
    background: #e8e8e8;
}

/* OpenLayers overrides */
.ol-control {
    background: transparent !important;
}

.ol-control button {
    background: var(--surface-color) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px !important;
    width: 32px !important;
    height: 32px !important;
    font-size: 18px !important;
    cursor: pointer !important;
    transition: all var(--transition-fast) !important;
}

.ol-control button:hover {
    background: var(--bg-color) !important;
}

.ol-zoom {
    display: none !important;
}

.ol-attribution {
    display: none !important;
}

/* ============================================
   Map Toolbar
   ============================================ */
#map-toolbar {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--surface-color);
    border-radius: 8px;
    padding: 6px;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-toolbar);
}

.toolbar-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toolbar-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

.tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tool-btn:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.tool-btn.active {
    background: var(--accent-color);
    color: white;
}

.tool-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Basemap Selector
   ============================================ */
.basemap-selector {
    position: absolute;
    bottom: 70px;
    right: 12px;
    z-index: var(--z-toolbar);
}

.basemap-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.basemap-btn:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.basemap-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.basemap-dropdown {
    position: absolute;
    bottom: 48px;
    right: 0;
    width: 200px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.basemap-dropdown.hidden {
    display: none;
}

.basemap-dropdown-header {
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.basemap-options {
    max-height: 280px;
    overflow-y: auto;
}

.basemap-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    transition: background var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 13px;
    color: var(--text-primary);
}

.basemap-option:hover {
    background: var(--bg-color);
}

.basemap-option.active {
    background: rgba(52, 152, 219, 0.1);
    color: var(--accent-color);
}

.basemap-option .basemap-icon {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.basemap-option .basemap-icon svg {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.basemap-option.active .basemap-icon {
    background: var(--accent-color);
}

.basemap-option.active .basemap-icon svg {
    color: white;
}

/* ============================================
   Scale Bar
   ============================================ */
#scale-bar {
    position: absolute;
    bottom: 24px;
    left: 12px;
    background: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    z-index: var(--z-toolbar);
}

/* ============================================
   Attribution
   ============================================ */
#attribution {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(255, 255, 255, 0.8);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    color: var(--text-muted);
    z-index: var(--z-toolbar);
}

#attribution a {
    color: var(--accent-color);
    text-decoration: none;
}

/* ============================================
   Info Panel
   ============================================ */
#info-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: var(--info-panel-width);
    height: 100%;
    background: var(--surface-color);
    border-left: 1px solid var(--border-color);
    z-index: var(--z-panel);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

#info-panel:not(.panel-closed) {
    transform: translateX(0);
}

#info-panel .panel-header {
    background: var(--primary-color);
    color: white;
    border: none;
}

#info-panel .panel-header h3 {
    color: white;
}

#close-info-panel {
    color: white;
}

#info-panel .panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.feature-attributes {
    width: 100%;
}

.attribute-row {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
}

.attribute-row:last-child {
    border-bottom: none;
}

.attribute-label {
    flex: 0 0 40%;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
}

.attribute-value {
    flex: 1;
    font-size: 13px;
    word-break: break-word;
}

/* ============================================
   Modals
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    background: var(--surface-color);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-content.modal-large {
    max-width: 600px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--primary-color);
    color: white;
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 13px;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group.checkbox input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-color);
}

.form-group.checkbox label {
    margin: 0;
    font-weight: 400;
}

.error-message {
    padding: 10px 12px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    border-radius: 6px;
    color: var(--error-color);
    font-size: 13px;
    margin-bottom: 16px;
}

/* Upload Dropzone */
#upload-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

#upload-dropzone:hover,
#upload-dropzone.dragover {
    border-color: var(--accent-color);
    background: rgba(52, 152, 219, 0.05);
}

#upload-dropzone svg {
    color: var(--text-muted);
    margin-bottom: 16px;
}

#upload-dropzone p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

#upload-dropzone .link {
    color: var(--accent-color);
    cursor: pointer;
}

#upload-dropzone .hint {
    font-size: 12px;
    color: var(--text-muted);
}

/* Progress Bar */
.progress-bar {
    height: 8px;
    background: var(--bg-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    background: var(--accent-color);
    border-radius: 4px;
    transition: width var(--transition-normal);
}

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

/* ============================================
   Floating Panels
   ============================================ */
.floating-panel {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 200px;
    background: var(--surface-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-panel);
    overflow: hidden;
}

.floating-panel.hidden {
    display: none;
}

.floating-panel .panel-header {
    padding: 10px 12px;
}

.floating-panel .panel-header h4 {
    font-size: 13px;
    font-weight: 600;
}

.floating-panel .panel-content {
    padding: 12px;
}

.measure-type-toggle {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.measure-type-toggle button {
    flex: 1;
    padding: 6px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.measure-type-toggle button.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.measure-value {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
}

#measure-unit {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}

/* ============================================
   Toast Notifications
   ============================================ */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: var(--z-toast);
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 280px;
    max-width: 400px;
    animation: slideIn var(--transition-normal) ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success { border-left: 4px solid var(--success-color); }
.toast.warning { border-left: 4px solid var(--warning-color); }
.toast.error { border-left: 4px solid var(--error-color); }
.toast.info { border-left: 4px solid var(--info-color); }

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast.success .toast-icon { color: var(--success-color); }
.toast.warning .toast-icon { color: var(--warning-color); }
.toast.error .toast-icon { color: var(--error-color); }
.toast.info .toast-icon { color: var(--info-color); }

.toast-message {
    flex: 1;
    font-size: 13px;
}

.toast-close {
    flex-shrink: 0;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

/* ============================================
   Loading Overlay
   ============================================ */
#loading-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.9);
    z-index: var(--z-loading);
}

#loading-overlay.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ============================================
   OpenLayers Popup Styles
   ============================================ */
.ol-popup {
    position: absolute;
    background-color: white;
    box-shadow: var(--shadow-lg);
    padding: 0;
    border-radius: 8px;
    min-width: 200px;
    max-width: 300px;
}

.ol-popup:after, .ol-popup:before {
    top: 100%;
    border: solid transparent;
    content: " ";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
}

.ol-popup:after {
    border-top-color: white;
    border-width: 10px;
    left: 48px;
    margin-left: -10px;
}

.ol-popup:before {
    border-top-color: rgba(0,0,0,0.1);
    border-width: 11px;
    left: 48px;
    margin-left: -11px;
}

.ol-popup-closer {
    text-decoration: none;
    position: absolute;
    top: 8px;
    right: 8px;
    cursor: pointer;
    color: var(--text-muted);
}

.ol-popup-closer:hover {
    color: var(--text-primary);
}

.popup-content {
    padding: 12px;
}

.popup-title {
    font-weight: 600;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* ============================================
   Login Screen (Admin Mode Gate)
   ============================================ */
#login-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    z-index: calc(var(--z-loading) + 100);
}

#login-screen.hidden {
    display: none;
}

.login-screen-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--surface-color);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.login-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 24px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.login-logo {
    width: 80px;
    height: auto;
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.5px;
}

.login-subtitle {
    font-size: 14px;
    opacity: 0.9;
    margin: 8px 0 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#gate-login-form {
    padding: 32px 24px;
}

#gate-login-form .form-group {
    margin-bottom: 20px;
}

#gate-login-form .form-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

#gate-login-form .form-group input {
    padding: 12px 14px;
    font-size: 15px;
    border-radius: 8px;
}

#gate-login-form .form-group input::placeholder {
    color: var(--text-muted);
}

/* Password input wrapper for toggle button */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    flex: 1;
    padding-right: 48px !important;
}

.password-toggle {
    position: absolute;
    right: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.password-toggle:hover {
    color: var(--text-secondary);
    background: var(--bg-color);
}

.password-toggle .icon-eye,
.password-toggle .icon-eye-off {
    pointer-events: none;
}

.password-toggle .icon-eye.hidden,
.password-toggle .icon-eye-off.hidden {
    display: none;
}

#gate-login-error {
    margin-bottom: 20px;
}

#gate-login-btn {
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    position: relative;
}

#gate-login-btn .btn-text,
#gate-login-btn .btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#gate-login-btn .btn-loading.hidden {
    display: none;
}

#gate-login-btn .btn-text.hidden {
    display: none;
}

#gate-login-btn .spinner-icon {
    animation: spin 1s linear infinite;
}

.login-footer {
    padding: 16px 24px;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.login-footer p {
    margin: 0;
    font-size: 12px;
    color: var(--text-muted);
}

/* Login screen responsive */
@media (max-width: 480px) {
    .login-screen-container {
        padding: 16px;
    }

    .login-card {
        border-radius: 12px;
    }

    .login-header {
        padding: 24px 20px 20px;
    }

    .login-logo {
        width: 64px;
    }

    .login-header h1 {
        font-size: 20px;
    }

    .login-subtitle {
        font-size: 12px;
    }

    #gate-login-form {
        padding: 24px 20px;
    }

    #gate-login-btn {
        padding: 12px 16px;
        font-size: 15px;
    }
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
        --info-panel-width: 100%;
    }

    .header-center {
        display: none;
    }

    #coordinate-display {
        display: none;
    }

    .logo-text .subtitle {
        display: none;
    }

    /* Sidebar becomes overlay on mobile */
    #sidebar {
        position: fixed;
        top: var(--header-height);
        left: 0;
        height: calc(100vh - var(--header-height));
        width: var(--sidebar-width);
        box-shadow: var(--shadow-xl);
    }

    #sidebar:not(.sidebar-open) {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    /* Show overlay on mobile */
    .sidebar-overlay {
        display: block;
        top: var(--header-height);
    }

    /* Hide sidebar toggle button on mobile (use header hamburger) */
    .sidebar-toggle {
        display: none;
    }

    /* Show close button inside sidebar on mobile */
    .sidebar-close-btn {
        display: flex;
    }

    #map-toolbar {
        top: 12px;
        left: 12px;
        flex-direction: column;
        max-height: calc(100% - 80px);
        overflow-y: auto;
    }

    .toolbar-group {
        flex-direction: column;
    }

    .toolbar-divider {
        height: 1px;
        width: 100%;
        margin: 4px 0;
    }

    #info-panel {
        width: 100%;
        height: 50%;
        top: auto;
        bottom: max(60px, env(safe-area-inset-bottom, 60px));
        transform: translateY(100%);
    }

    #info-panel:not(.panel-closed) {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .logo-text .title {
        font-size: 14px;
    }

    .logo img {
        height: 32px;
    }

    /* Improve toolbar for small screens */
    #map-toolbar {
        left: 8px;
        top: 8px;
        padding: 4px;
    }

    .tool-btn {
        width: 32px;
        height: 32px;
        min-width: 32px;
    }

    /* Toast notifications - full width on mobile */
    #toast-container {
        left: 16px;
        right: 16px;
        bottom: 80px;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }
}

/* Ultra-narrow screens (Foldable phones in folded state) */
@media (max-width: 320px) {
    :root {
        --header-height: 48px;
        --sidebar-width: 100vw;
    }

    #app-header {
        padding: 0 8px;
    }

    /* Hide logo text on ultra-narrow screens */
    .logo-text {
        display: none;
    }

    .logo img {
        height: 28px;
    }

    /* Smaller login button */
    #login-btn, .btn-primary {
        padding: 6px 12px;
        font-size: 12px;
    }

    /* Toolbar improvements for folded state */
    #map-toolbar {
        left: 4px;
        top: 4px;
        padding: 3px;
        gap: 2px;
        max-height: calc(100% - 60px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    #map-toolbar::-webkit-scrollbar {
        display: none;
    }

    .toolbar-group {
        gap: 1px;
    }

    .tool-btn {
        width: 28px;
        height: 28px;
        min-width: 28px;
    }

    .tool-btn svg {
        width: 16px;
        height: 16px;
    }

    .toolbar-divider {
        height: 1px;
        width: 100%;
        margin: 2px 0;
    }

    /* Scale bar positioning */
    #scale-bar {
        bottom: 8px;
        left: 4px;
        font-size: 10px;
        padding: 2px 6px;
    }

    /* Modal adjustments */
    .modal-content {
        max-width: calc(100vw - 16px);
        margin: 8px;
        border-radius: 8px;
    }

    .modal-header {
        padding: 12px 16px;
    }

    .modal-header h2 {
        font-size: 16px;
    }

    .modal-body {
        padding: 16px;
    }
}

/* Foldable phone support - unfolded state between tablet and phone */
@media (min-width: 481px) and (max-width: 767px) {
    :root {
        --sidebar-width: 280px;
    }

    /* Show subtitle on foldable unfolded */
    .logo-text .subtitle {
        display: block;
        font-size: 10px;
    }

    /* Slightly smaller toolbar */
    .tool-btn {
        width: 34px;
        height: 34px;
    }
}

/* Spanning display support for foldable phones */
@media (horizontal-viewport-segments: 2) {
    /* When the phone is unfolded with a hinge */
    #sidebar {
        width: env(viewport-segment-width 0 0, var(--sidebar-width));
    }

    #map-container {
        margin-left: env(viewport-segment-left 1 0, 0);
    }
}

/* ============================================
   Report Download Button
   ============================================ */
.report-actions {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

#download-report-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

#download-report-btn:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

#download-report-btn:active {
    transform: translateY(0);
}

#download-report-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

#download-report-btn svg {
    flex-shrink: 0;
}

#download-report-btn .spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Prefer reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Admin Navigation Tabs
   ============================================ */
#admin-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 24px;
    padding-left: 24px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

#admin-nav.hidden {
    display: none;
}

.nav-tab {
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.nav-tab:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-tab.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

/* ============================================
   Users Page
   ============================================ */
#users-page {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-primary);
}

#users-page.hidden {
    display: none;
}

.users-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.users-page-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.users-table-container {
    flex: 1;
    overflow: auto;
    padding: 24px;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.data-table thead {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    user-select: none;
}

/* Sortable column headers */
.data-table th.sortable {
    cursor: pointer;
    padding-right: 28px;
    position: relative;
}

.data-table th.sortable:hover {
    color: var(--text-primary);
}

.sort-indicator {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    opacity: 0.3;
}

.sort-indicator::after {
    content: '\21C5';
}

.data-table th.sort-asc .sort-indicator,
.data-table th.sort-desc .sort-indicator {
    opacity: 1;
    color: var(--accent-color);
}

.data-table th.sort-asc .sort-indicator::after {
    content: '\2191';
}

.data-table th.sort-desc .sort-indicator::after {
    content: '\2193';
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

/* User table specific */
.user-username strong {
    color: var(--text-primary);
    font-weight: 500;
}

.user-email {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Role badges */
.user-roles {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.user-roles .badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
}

.badge.admin {
    background: #fee2e2;
    color: #dc2626;
}

.badge.editor {
    background: #dbeafe;
    color: #2563eb;
}

.badge.viewer {
    background: #f3f4f6;
    color: #6b7280;
}

/* Status badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-active {
    background: #dcfce7;
    color: #16a34a;
}

.status-active::before {
    background: #16a34a;
}

.status-disabled {
    background: #f3f4f6;
    color: #9ca3af;
}

.status-disabled::before {
    background: #9ca3af;
}

/* Action buttons */
.user-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-icon-danger:hover {
    background: #fee2e2;
    color: #dc2626;
    border-color: #fecaca;
}

/* Loading and empty states */
#users-loading,
#users-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    color: var(--text-secondary);
}

#users-loading.hidden,
#users-empty.hidden {
    display: none;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

#users-empty svg {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* ============================================
   User Modal Styles
   ============================================ */
.modal-large {
    max-width: 480px;
}

.form-row {
    margin-bottom: 16px;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-row label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-row input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row input[readonly] {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.form-hint {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

/* Checkbox group for roles */
#roles-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#roles-group .checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

#roles-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

#roles-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    cursor: pointer;
}

/* Toggle switch for enabled status */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: #d1d5db;
    border-radius: 24px;
    transition: var(--transition-fast);
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--success-color);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* Form error */
#user-form-error {
    padding: 10px 12px;
    background: #fee2e2;
    border: 1px solid #fecaca;
    border-radius: 6px;
    color: #dc2626;
    font-size: 13px;
    margin-bottom: 16px;
}

#user-form-error.hidden {
    display: none;
}

/* Delete modal */
#delete-user-modal .modal-body {
    text-align: center;
}

#delete-user-modal p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

#delete-username {
    font-weight: 600;
    color: var(--text-primary);
}

.btn-danger {
    background: #dc2626;
    color: white;
    border-color: #dc2626;
}

.btn-danger:hover {
    background: #b91c1c;
    border-color: #b91c1c;
}

/* Modal footer buttons */
.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   Planning Page
   ============================================ */
#planning-page {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-primary);
}

#planning-page.hidden {
    display: none;
}

.planning-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.planning-page-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.planning-page-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Planning tabs */
.planning-tabs {
    display: flex;
    gap: 0;
    padding: 0 24px;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.planning-tab {
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.planning-tab:hover {
    color: var(--primary-color);
    background: var(--bg-hover);
}

.planning-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Tab content */
.planning-tab-content {
    flex: 1;
    overflow: auto;
    padding: 20px 24px;
}

.planning-tab-content.hidden {
    display: none;
}

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 16px;
}

.table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Actions cell */
.actions-cell {
    display: flex;
    gap: 8px;
    white-space: nowrap;
}

/* Table loading and empty */
.table-loading,
.table-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    color: var(--text-secondary);
}

.table-loading.hidden,
.table-empty.hidden {
    display: none;
}

.table-loading .spinner,
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

/* Permissions Matrix */
.permissions-matrix-container {
    overflow-x: auto;
    max-height: calc(100vh - 280px);
    overflow-y: auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.permissions-table {
    min-width: 100%;
}

.permissions-table thead {
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
    box-shadow: 0 1px 0 var(--border-color);
}

.permissions-table th {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-primary);
}

.permissions-table .category-header td {
    background: var(--bg-secondary);
    padding: 10px 16px;
    font-weight: 800;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.permissions-table .land-use-name {
    font-weight: 700;
    min-width: 200px;
}

.permissions-table .permission-cell {
    min-width: 150px;
}

.permissions-table .notes-cell {
    min-width: 200px;
}

.permission-select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    width: 100%;
    background: white;
    cursor: pointer;
}

.permission-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(30, 58, 95, 0.1);
}

.permission-select.permitted {
    background: #dcfce7;
    border-color: #86efac;
    color: #16a34a;
}

.permission-select.conditional {
    background: #fef3c7;
    border-color: #fcd34d;
    color: #d97706;
}

.permission-select.not-permitted {
    background: #fee2e2;
    border-color: #fecaca;
    color: #dc2626;
}

.permission-notes {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

.permission-notes:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Form row grid */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group.inline {
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-group.inline label {
    margin-bottom: 0;
    white-space: nowrap;
    font-weight: 500;
}

.form-group.inline select {
    min-width: 250px;
}

/* Generic error message */
.error-message {
    padding: 10px 12px;
    background: #fee2e2;
    border: 1px solid #fecaca;
    border-radius: 6px;
    color: #dc2626;
    font-size: 13px;
    margin-top: 16px;
}

.error-message.hidden {
    display: none;
}

/* Generic badge */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

/* Text helpers */
.text-muted {
    color: var(--text-muted);
}

/* ============================================
   Planning Tabs - Scrollable overflow
   ============================================ */
.planning-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

/* Scrollable modal body for large forms */
.modal-body-scroll {
    max-height: 60vh;
    overflow-y: auto;
    padding: 24px;
}

/* Building Types Section in Zone Modal */
.building-types-section {
    margin-top: 16px;
}

.building-types-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.building-types-section hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 16px 0;
}

.building-types-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px;
    background: var(--bg-color);
}

.building-type-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--surface-color);
    border-radius: 4px;
    margin-bottom: 6px;
    border: 1px solid var(--border-color);
}

.building-type-item:last-child {
    margin-bottom: 0;
}

.building-type-item .bt-info {
    flex: 1;
}

.building-type-item .bt-name {
    font-weight: 500;
    color: var(--text-primary);
}

.building-type-item .bt-category {
    font-size: 12px;
    color: var(--text-muted);
}

.building-type-item .btn-remove {
    padding: 4px 8px;
    font-size: 12px;
    background: transparent;
    border: 1px solid var(--error-color);
    color: var(--error-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.building-type-item .btn-remove:hover {
    background: var(--error-color);
    color: white;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 13px;
}

/* Badge info variant */
.badge-info {
    background: var(--info-color);
    color: white;
}

/* Search input inline (definitions tab) */
.search-input-inline {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    min-width: 200px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input-inline:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Definition cell - truncate long text */
.definition-cell {
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Table pagination */
.table-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
    border-radius: 0 0 8px 8px;
    min-height: 44px;
}

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

.pagination-buttons {
    display: flex;
    gap: 4px;
    align-items: center;
}

.btn-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-page:hover:not([disabled]):not(.active) {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent-color);
}

.btn-page.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.btn-page[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    color: var(--text-secondary);
    font-size: 13px;
}

@media (max-width: 600px) {
    .table-pagination {
        flex-direction: column;
        gap: 8px;
    }
}

/* Standards table - allow horizontal scroll */
.standards-table-container {
    overflow-x: auto;
}

/* Definitions table - allow horizontal scroll */
.definitions-table-container {
    overflow-x: auto;
}

/* Select/textarea styles for planning forms */
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: white;
}

.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

/* Expandable form fields - for development standards and facility forms */
#standard-modal .form-group textarea,
#facility-modal .form-group textarea,
#subdivision-modal .form-group textarea {
    resize: both;
    min-height: 38px;
    max-height: 400px;
    line-height: 1.4;
}

/* Single-row textareas - compact but expandable */
#standard-modal .form-group textarea[rows="1"],
#facility-modal .form-group textarea[rows="1"],
#subdivision-modal .form-group textarea[rows="1"] {
    min-height: 38px;
    height: 38px;
}

/* Expand on focus for better editing */
#standard-modal .form-group textarea:focus,
#facility-modal .form-group textarea:focus,
#subdivision-modal .form-group textarea:focus {
    min-height: 60px;
}

/* Larger textarea for notes fields */
#standard-modal #std-notes,
#facility-modal #fac-notes,
#facility-modal #fac-parking,
#facility-modal #fac-supporting,
#subdivision-modal #sub-notes {
    min-height: 80px;
}

/* Make all planning form textareas resize both directions */
.modal-large .form-group textarea {
    resize: both;
}

/* ============================================
   Zone Reference Panel
   ============================================ */
.zone-ref-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: var(--info-panel-width);
    height: 100%;
    background: var(--surface-color);
    border-left: 1px solid var(--border-color);
    z-index: calc(var(--z-panel) + 1);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.zone-ref-panel:not(.panel-closed) {
    transform: translateX(0);
}

.zone-ref-panel .panel-header {
    background: var(--primary-color);
    color: white;
    border: none;
    flex-shrink: 0;
}

.zone-ref-panel .panel-header h3 {
    color: white;
}

#close-zone-ref-panel {
    color: white;
}

.zone-ref-panel .panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    max-height: none;
}

/* Zone reference panel content */
.zone-ref-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
}

.zone-ref-code {
    display: inline-block;
    padding: 4px 10px;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.zone-ref-header h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 4px 0;
    color: var(--text-primary);
}

.zone-ref-density {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.zone-ref-section {
    margin-bottom: 16px;
}

.zone-ref-section h5 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-color);
}

.zone-ref-section p {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.5;
}

.zone-ref-standard {
    margin-bottom: 12px;
    padding: 10px;
    background: var(--bg-color);
    border-radius: 6px;
}

.zone-ref-standard-header {
    font-size: 13px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.zone-ref-table {
    width: 100%;
    font-size: 12px;
}

.zone-ref-table tr {
    border-bottom: 1px solid var(--border-color);
}

.zone-ref-table tr:last-child {
    border-bottom: none;
}

.zone-ref-table td {
    padding: 4px 0;
    vertical-align: top;
}

.zone-ref-label {
    width: 45%;
    font-weight: 500;
    color: var(--text-secondary);
}

.zone-ref-notes {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 6px;
}

.zone-ref-permissions {
    margin-bottom: 8px;
}

.zone-ref-permissions strong {
    font-size: 12px;
    display: block;
    margin-bottom: 4px;
}

.zone-ref-permissions ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zone-ref-permissions li {
    font-size: 12px;
    padding: 2px 0 2px 16px;
    position: relative;
    color: var(--text-primary);
}

.zone-ref-permissions li::before {
    content: "\2022";
    position: absolute;
    left: 4px;
    color: var(--accent-color);
}

/* View Planning Standards button */
#view-planning-standards-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast);
}

#view-planning-standards-btn:hover {
    background: var(--accent-hover);
}

/* Mobile: Zone ref panel takes full width */
@media (max-width: 768px) {
    .zone-ref-panel {
        width: 100%;
        height: 50%;
        top: auto;
        bottom: max(60px, env(safe-area-inset-bottom, 60px));
        transform: translateY(100%);
    }

    .zone-ref-panel:not(.panel-closed) {
        transform: translateY(0);
    }

    .planning-tabs {
        padding: 0 12px;
    }

    .planning-tab {
        padding: 10px 14px;
        font-size: 13px;
    }
}

/* ============================================
   Users Page Mobile Responsive
   ============================================ */
@media (max-width: 768px) {
    #admin-nav {
        margin-left: 12px;
        padding-left: 12px;
    }

    .nav-tab {
        padding: 6px 12px;
        font-size: 13px;
    }

    .users-page-header {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }

    .users-page-header h2 {
        font-size: 18px;
    }

    .users-page-header .btn-primary {
        width: 100%;
    }

    .users-table-container {
        padding: 12px;
    }

    .data-table {
        display: block;
        overflow-x: auto;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
        font-size: 13px;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    #admin-nav {
        display: none;
    }

    /* Show mobile admin nav */
    .mobile-admin-nav {
        display: flex;
        justify-content: center;
        gap: 8px;
        padding: 12px;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
    }
}