/* ===============================================
   Greek Floods Web Map - Minimalist Design System
   =============================================== */

/* CSS Variables for Consistent Theming */
:root {
    /* Ultra Minimalist Color Palette */
    --primary-color: #000000;
    --primary-light: #333333;
    --accent-color: #666666;
    --accent-blue: #0066ff;
    --accent-green: #00aa44;
    
    /* Clean Neutral Colors */
    --background-primary: #ffffff;
    --background-secondary: #ffffff;
    --background-tertiary: #fafafa;
    --border-color: #e0e0e0;
    --border-light: #f5f5f5;
    
    /* Text Colors */
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-muted: #999999;
    --text-inverse: #ffffff;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }
h5 { font-size: 0.875rem; }
h6 { font-size: 0.75rem; }

/* Main App Container */
#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header Styles - Ultra Minimal */
.header {
    background: var(--background-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    flex-shrink: 0;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-title {
    text-align: center;
    flex: 0 1 auto;
}

.header h1 {
    color: var(--primary-color);
    font-weight: 300;
    margin-bottom: 0.5rem;
    font-size: 1.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin: 0;
}

/* Navigation Bar - Positioned absolutely on the left */
.header-nav {
    position: absolute;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Actions - Positioned absolutely on the right */
.header-actions {
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
}

/* Navigation Link Styling - Base Class */
.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: var(--background-primary);
    border: 1px solid var(--primary-color);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 0;
    outline: none;
    text-decoration: none;
    white-space: nowrap;
    gap: 0.5rem;
}

.nav-link:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.nav-link.active {
    background: var(--primary-color);
    color: var(--text-inverse);
    font-weight: 600;
}

.nav-link.active:hover {
    background: var(--primary-light);
    color: var(--text-inverse);
}

.nav-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.nav-link svg {
    display: block;
    width: 16px;
    height: 16px;
}

/* Mobile Controls - Hidden by default on desktop */
.mobile-controls {
    display: none;
    padding: 0.75rem 1rem;
    background: var(--background-primary);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 100;
}

.mobile-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    background: var(--background-primary);
    border: 1px solid var(--primary-color);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 0;
    outline: none;
    white-space: nowrap;
    text-decoration: none;
    position: relative;
}

.mobile-toggle-btn:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.mobile-toggle-btn.active {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.mobile-toggle-btn.active:hover {
    background: var(--primary-light);
}


/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1rem;
    margin: 0;
    padding: 1rem;
    flex: 1;
    width: 100%;
    overflow: hidden;
}

/* Sidebar Styles - Minimal */
.sidebar {
    background: var(--background-primary);
    border-radius: 0;
    box-shadow: none;
    border: 1px solid var(--border-color);
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--background-tertiary);
    border-radius: var(--radius-sm);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.sidebar-content {
    padding: var(--spacing-xl);
    position: relative;
}

/* Mobile Sidebar Close Button */
.mobile-sidebar-close {
    display: none;
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    background: var(--background-primary);
    border: 1px solid var(--primary-color);
    color: var(--text-primary);
    padding: 0.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
}

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

.mobile-sidebar-close svg {
    display: block;
    width: 16px;
    height: 16px;
}

/* Section Headers */
.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header h3,
.section-header h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.section-divider {
    display: block;
    height: 1px;
    background: var(--border-color);
    border-radius: 0;
}

/* Filter Styles */
.filter-group {
    margin-bottom: var(--spacing-lg);
}

.filter-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--background-primary);
    border: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
    min-height: 2.75rem;
}

.filter-group select:hover {
    border-bottom-color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.02);
}

.filter-group select:focus {
    border-bottom-color: var(--primary-color);
    background-color: var(--background-primary);
    box-shadow: 0 2px 0 0 var(--primary-color);
}

.filter-group select:active {
    background-color: rgba(0, 0, 0, 0.05);
}

.filter-group select option {
    padding: 0.5rem 1rem;
}

.filter-group select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--background-secondary);
}

/* Filter dropdowns use native select behavior for accessibility and performance */


/* Button Styles */
.btn-primary,
.btn-secondary {
    width: 100%;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-inverse);
    box-shadow: none;
    border-radius: 0;
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: none;
    box-shadow: none;
}

.btn-primary:active {
    transform: none;
}

.btn-secondary {
    background: var(--background-primary);
    color: var(--text-primary);
    border: 1px solid var(--primary-color);
    border-radius: 0;
}

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

/* Tab Navigation - Desktop Only */
.tab-nav {
    display: flex;
    margin-bottom: 1rem;
    gap: 0;
    flex-shrink: 0;
}

.tab-button {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--background-primary);
    border: 1px solid var(--primary-color);
    border-bottom: 1px solid var(--primary-color);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-base);
    outline: none;
    border-radius: 0;
    margin-right: -1px;
}

.tab-button:last-child {
    margin-right: 0;
}

.tab-button:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
    z-index: 1;
}

.tab-button.active {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
    z-index: 2;
}

/* Tab Content */
.tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

#stats-content {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    background: var(--background-primary);
    border: none;
    border-left: 2px solid var(--border-color);
    border-radius: 0;
    padding: 1rem;
    transition: border-color var(--transition-fast);
}

.stat-item:hover {
    transform: none;
    border-left-color: var(--primary-color);
    box-shadow: none;
}

.stat-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Map Container - Clean */
.map-container {
    background: var(--background-primary);
    border-radius: 0;
    box-shadow: none;
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
    height: 100%;
}

#map {
    width: 100%;
    height: 100%;
    border-radius: 0;
}

/* Loading Indicator - Minimal */
.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1000;
    background: white;
    padding: 2rem;
    border: 1px solid #000;
    box-shadow: none;
}

.loading.hidden {
    display: none;
}

.spinner {
    width: 30px;
    height: 30px;
    margin: 0 auto 1rem;
    border: 2px solid #f0f0f0;
    border-top: 2px solid #000;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading p {
    color: #666;
    font-size: 0.8rem;
    margin: 0;
}
/* ===============================================
   Error Display Styles
   =============================================== */

/* Hidden utility class */
.hidden {
    display: none !important;
}

/* Error Banner Styles */
.error-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #FFF3CD;
    border-bottom: 2px solid #FFB800;
    padding: 1rem;
    z-index: 10000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.error-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.error-banner-icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.error-banner-message {
    flex: 1;
    color: #856404;
}

.error-banner-message strong {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.error-banner-message p {
    margin: 0.5rem 0;
    font-size: 0.875rem;
    line-height: 1.5;
}

.error-banner-instructions {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 0.25rem;
    font-size: 0.8125rem;
}

.error-banner-instructions p {
    margin: 0.5rem 0;
}

.error-banner-instructions code {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875em;
}

.error-banner-instructions a {
    color: #0066cc;
    text-decoration: underline;
}

.error-banner-instructions a:hover {
    color: #0052a3;
}

.error-banner-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #856404;
    transition: all 0.2s ease;
    border-radius: 0.25rem;
}

.error-banner-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #000;
}

/* Filter Error Message Styles */
.filter-error {
    margin-top: 1rem;
    padding: 0.75rem;
    background: #FFE5E5;
    border-left: 3px solid #DC3545;
    border-radius: 0.25rem;
    color: #721c24;
    font-size: 0.875rem;
    line-height: 1.5;
}

.filter-error::before {
    content: "⚠️ ";
    font-size: 1rem;
    margin-right: 0.5rem;
}

/* Filter Loading Overlay */
.filter-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    z-index: 10;
    border-radius: 0.5rem;
}

.filter-loading span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Small Spinner for Inline Loading */
.spinner-small {
    width: 20px;
    height: 20px;
    border: 2px solid #f0f0f0;
    border-top: 2px solid #000;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Filter Dropdown Error State */
.filter-error-state {
    border-color: #DC3545 !important;
    background: #FFF5F5 !important;
}

.filter-error-state:focus {
    outline: none;
    border-color: #DC3545 !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1) !important;
}

.filter-error-state:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Filter Controls Container */
#filter-controls {
    position: relative;
}


/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    /* Flexbox for centering */
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    position: relative;
    border-radius: 0;
    width: 90%;
    max-width: 500px;
    max-height: 70vh;
    overflow: hidden;
    border: 1px solid #000;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    margin: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: white;
    border-bottom: 1px solid #e0e0e0;
}

.modal-header h3 {
    color: #000;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 200ms ease;
}

.close:hover {
    background: #f0f0f0;
}

.close svg {
    width: 16px;
    height: 16px;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: calc(70vh - 80px);
    overscroll-behavior: contain;
    /* Ensure proper spacing for content */
    display: flex;
    flex-direction: column;
}

/* Flood Details Container */
#flood-details {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Flood Details - Minimal */
.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    min-height: 2.5rem;
}

.detail-item:last-of-type {
    border-bottom: none;
}

.detail-label {
    font-weight: 500;
    color: #000;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.detail-value {
    color: #666;
    font-size: 0.8rem;
    text-align: right;
    max-width: 60%;
    word-break: break-word;
}

/* Highlighted Event ID */
.detail-item-highlighted {
    background: #f0f8ff;
    margin: -0.75rem -1.5rem 0 -1.5rem;
    padding: 0.75rem 1.5rem;
    border-bottom: 2px solid var(--primary-color) !important;
}

.detail-item-highlighted .detail-label {
    color: var(--primary-color);
    font-weight: 600;
}

.detail-item-highlighted .detail-value {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Detail sections for grouped information */
.detail-section {
  margin-bottom: 1.5rem;
}

.detail-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

/* Community Actions Section */
.community-actions {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* Report Issue Button */
.btn-report {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--background-primary);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 0;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: inherit;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    width: auto;
    min-width: 200px;
}

.btn-report:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-report:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-report svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* Admin action buttons in table */
.admin-actions {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.admin-actions .action-button {
  padding: 0.25rem 0.5rem;
  font-size: 0.65rem;
  min-width: auto;
}

.action-approve {
  color: var(--accent-green, #28a745);
  border-color: var(--accent-green, #28a745);
}

.action-approve:hover {
  background: var(--accent-green, #28a745);
  color: white;
}

.action-reject {
  color: #dc3545;
  border-color: #dc3545;
}

.action-reject:hover {
  background: #dc3545;
  color: white;
}

/* Verification Status Badges */
.status-verified {
    color: var(--accent-green);
    font-weight: 500;
    padding: 2px 8px;
    border: 1px solid var(--accent-green);
    border-radius: 3px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.status-unverified {
    color: var(--text-muted);
    padding: 2px 8px;
    border: 1px solid var(--text-muted);
    border-radius: 3px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.status-disputed {
    color: #ff6b6b;
    font-weight: 500;
    padding: 2px 8px;
    border: 1px solid #ff6b6b;
    border-radius: 3px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

/* Leaflet Popup Customization - Minimal */
.leaflet-popup-content-wrapper,
.minimal-popup .leaflet-popup-content-wrapper {
    background: white;
    border-radius: 2px; /* Slight rounding for softer look */
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    border: 1px solid #000;
}

/* Popup animations */
.leaflet-popup {
    animation: popupAppear 200ms ease-out;
}

@keyframes popupAppear {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.leaflet-popup-tip {
    background: white;
    border: 1px solid #000;
    box-shadow: none;
    margin-top: -1px; /* Fix tip alignment */
}

.leaflet-popup-content {
    margin: 0;
    padding: 0;
    min-width: 150px;
}

.leaflet-popup-close-button {
    display: none;
}

/* Minimal cluster styles */
.minimal-cluster {
    background: transparent !important;
}

/* Minimal tooltip styles */
.minimal-tooltip {
    background: rgba(0, 0, 0, 0.9);
    color: white;
    border: none;
    border-radius: 2px;
    padding: 4px 8px;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.minimal-tooltip::before {
    border-top-color: rgba(0, 0, 0, 0.9);
}

/* Remove Leaflet default popup completely */
.leaflet-popup {
    display: none !important;
}

/* SVG Marker Optimization for crisp rendering */
.leaflet-overlay-pane svg {
    shape-rendering: geometricPrecision;
    will-change: transform;
}

.leaflet-overlay-pane svg path {
    shape-rendering: geometricPrecision;
    stroke-linejoin: round;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

/* Hover effect for markers */
.leaflet-interactive {
    cursor: pointer;
    transition: stroke-width 150ms ease, fill-opacity 150ms ease;
}

.leaflet-interactive:hover {
    stroke-width: 3 !important;
    fill-opacity: 0.9 !important;
}

/* Ensure crisp rendering on high DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .leaflet-overlay-pane svg path {
        transform: translateZ(0);
        backface-visibility: hidden;
    }
}

/* Cluster improvements */
.leaflet-cluster-anim .leaflet-marker-icon, 
.leaflet-cluster-anim .leaflet-marker-shadow {
    transition: none;
}

/* Make clickable area larger than visual marker */
.leaflet-marker-icon {
    margin-left: -20px !important;
    margin-top: -20px !important;
}

.leaflet-popup-content {
    margin: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.popup-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.popup-info {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.8rem;
}

.popup-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--text-inverse);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.75rem;
    margin-top: var(--spacing-sm);
    transition: all var(--transition-base);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.popup-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Footer Styles - Minimal */
.footer {
    background: var(--background-primary);
    color: var(--text-secondary);
    padding: 0.75rem 0;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

.footer-divider {
    color: var(--border-color);
}

.references-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    text-decoration: underline;
    transition: opacity 0.2s;
}

.references-btn:hover {
    opacity: 0.7;
}

.github-link {
    display: inline-flex;
    align-items: center;
    transition: opacity 0.2s;
}

.github-link:hover {
    opacity: 0.7;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.2s ease-in;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--background-primary);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    max-width: 700px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s;
}

.modal-close:hover {
    background: var(--background-secondary);
}

.modal-body {
    padding: 1.5rem;
}

.reference-item {
    margin-bottom: 1.5rem;
}

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

.reference-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.reference-item p {
    margin: 0;
    line-height: 1.6;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.reference-item a {
    color: var(--accent-blue);
    text-decoration: none;
    word-break: break-all;
}

.reference-item a:hover {
    text-decoration: underline;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Success banner */
.success-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: #d4edda;
  border-bottom: 2px solid #28a745;
  padding: 1rem;
  display: none;
  animation: slideDown 0.3s ease-out;
}

.success-banner.active {
  display: block;
}

.success-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.success-banner-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.success-banner-message {
  flex: 1;
  color: #155724;
  font-size: 0.875rem;
}

.success-banner-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #155724;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
}

.success-banner-close:hover {
  opacity: 0.7;
}

/* Marker Cluster Customization */
.marker-cluster {
    background: var(--accent-blue);
    border: 3px solid var(--background-secondary);
    box-shadow: var(--shadow-md);
}

.marker-cluster div {
    background: var(--background-secondary);
    color: var(--accent-blue);
    font-weight: 600;
}

/* Custom Scrollbar for Body */
body::-webkit-scrollbar {
    width: 10px;
}

body::-webkit-scrollbar-track {
    background: var(--background-tertiary);
}

body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

body::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Login Page Styles */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
}

.login-card {
    max-width: 400px;
    width: 100%;
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.form-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.login-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--background-primary);
    border: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
    outline: none;
}

.login-input:focus {
    border-bottom-color: var(--primary-color);
}

.password-input-container {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
    outline: none;
}

.password-toggle:hover {
    color: var(--text-primary);
}

.login-button {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--background-primary);
    color: var(--text-primary);
    border: 1px solid var(--primary-color);
    border-radius: 0;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-base);
    outline: none;
    position: relative;
}

.login-button:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.login-button.loading {
    opacity: 0.6;
    pointer-events: none;
}

.login-error {
    padding: 0.75rem;
    background: #FFE5E5;
    border-left: 3px solid #DC3545;
    border-radius: 0.25rem;
    color: #721c24;
    font-size: 0.875rem;
    line-height: 1.5;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    color: var(--primary-color);
}

.auth-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--accent-green);
    color: var(--text-inverse);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    min-width: 150px;
    z-index: 1000;
}

.user-menu-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

.user-menu-item:hover {
    background: var(--background-secondary);
}

.forgot-password-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.875rem;
    text-align: center;
    margin-top: var(--spacing-sm);
}

.forgot-password-link:hover {
    text-decoration: underline;
}

.login-footer {
    text-align: center;
    margin-top: var(--spacing-md);
}

/* User menu in header */
.user-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  flex-wrap: nowrap;
}

.user-email {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: lowercase;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#logout-btn {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  background: var(--background-primary);
  border: 1px solid var(--primary-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  border-radius: 0;
  outline: none;
}

#logout-btn:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
}

/* Confirmation modal specific styling */
#confirm-modal .modal-content {
  max-width: 400px;
}

#confirm-modal .modal-body {
  padding: 2rem 1.5rem;
}

#confirm-modal .modal-body p {
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 280px 1fr;
        gap: 0.75rem;
    }
    
    .header-nav {
        left: 1rem;
    }
    
    .header-actions {
        right: 1rem;
    }
    
    .nav-link {
        padding: 0.35rem 0.8rem;
        font-size: 0.65rem;
    }
}

@media (max-width: 768px) {
    /* Header adjustments */
    .header {
        padding: 0.75rem 0;
    }
    
    .header-content {
        padding: 0 1rem;
        display: flex;
        align-items: center;
        min-height: 50px;
    }
    
    /* Keep navigation on left, title centered on mobile */
    .header-nav {
        position: relative;
        left: 0;
        transform: none;
    }
    
    .header-title {
        flex: 1;
        text-align: center;
        padding: 0 0.5rem;
    }
    
    .header-actions {
        position: relative;
        right: 0;
        transform: none;
    }
    
    .header h1 {
        font-size: 1.1rem;
        margin-bottom: 0.1rem;
    }
    
    .subtitle {
        display: none; /* Hide subtitle on mobile to save space */
    }
    
    .nav-link {
        padding: 0.3rem 0.6rem;
        font-size: 0.6rem;
        min-width: auto;
    }
    
    /* Mobile controls visible */
    .mobile-controls {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        padding: 0.5rem 1rem;
        gap: 0.5rem;
    }
    
    /* Sidebar becomes full-height panel */
    .sidebar {
        background: var(--background-primary);
        border: none;
        border-bottom: 1px solid var(--border-color);
        margin: 0;
        display: none;
        position: relative;
        width: 100%;
    }
    
    .sidebar.active {
        display: block;
        height: calc(100vh - 120px); /* Subtract header and controls height */
        overflow-y: auto;
        margin-bottom: 0;
    }
    
    .sidebar-content {
        padding: 0;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    
    /* Show close button on mobile */
    .mobile-sidebar-close {
        display: block;
    }
    
    /* Hide desktop tab navigation on mobile */
    .tab-nav {
        display: none;
    }
    
    .tab-content {
        padding: 1rem;
        padding-top: 3rem; /* Space for close button */
        flex: 1;
        overflow-y: auto;
    }
    
    .filter-group {
        margin-bottom: 1rem;
    }
    
    .filter-group label {
        font-size: 0.7rem;
        margin-bottom: 0.5rem;
    }
    
    .filter-group select {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
    }
    
    #stats-content .stat-item {
        padding: 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    /* Make map fill all available space */
    .map-container {
        flex: 1;
        position: relative;
        width: 100%;
        margin: 0;
        padding: 0;
        overflow: hidden;
    }
    
    #map {
        height: 100%;
        width: 100%;
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .modal-body {
        padding: 1rem;
        max-height: calc(85vh - 60px);
    }
    
    /* Responsive button styling */
    .community-actions {
        margin-top: 1rem;
        padding-top: 1rem;
    }
    
    .btn-report {
        width: 100%;
        min-width: unset;
        font-size: 0.7rem;
        padding: 0.75rem 1rem;
    }
    
    .btn-report svg {
        width: 12px;
        height: 12px;
    }
    
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        padding: 0.625rem 0;
    }
    
    .detail-value {
        text-align: left;
        max-width: 100%;
    }
    
    .footer-content {
        padding: 0 1rem;
        font-size: 0.7rem;
    }
    
    .footer {
        padding: 0.75rem 0;
    }
    
    .references-btn {
        font-size: 0.7rem;
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .modal-header,
    .modal-body {
        padding: 1rem;
    }
    
    .reference-item {
        font-size: 0.85rem;
    }
    
    /* Login page responsive */
    .login-container {
        padding: var(--spacing-md);
    }
    
    .login-card {
        padding: var(--spacing-lg);
        max-width: 100%;
    }
    
    .login-header {
        font-size: 1.25rem;
    }
    
    .login-input {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .login-button {
        padding: 0.75rem;
        font-size: 0.8rem;
    }
    
    .login-error {
        padding: 0.5rem;
        font-size: 0.8125rem;
    }
    
    .user-menu {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-end;
    }
    
    .user-email {
        font-size: 0.65rem;
    }
    
    .admin-actions {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .admin-actions .action-button {
        width: 100%;
        text-align: center;
    }
}
@media (max-width: 480px) {
    .error-banner {
        padding: 0.75rem;
    }
    
    .error-banner-content {
        gap: 0.75rem;
    }
    
    .error-banner-icon {
        font-size: 1.25rem;
    }
    
    .error-banner-message strong {
        font-size: 0.9rem;
    }
    
    .error-banner-message p {
        font-size: 0.8125rem;
    }
    
    .error-banner-instructions {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
    
    .error-banner-close {
        width: 1.75rem;
        height: 1.75rem;
        font-size: 1.25rem;
    }
    
    .filter-error {
        padding: 0.5rem;
        font-size: 0.8125rem;
    }
    
    .header {
        padding: 0.5rem 0;
    }
    
    .header h1 {
        font-size: 0.95rem;
        letter-spacing: 0.05em;
    }
    
    .subtitle {
        display: none;
    }
    
    .header-content {
        padding: 0 0.5rem;
        min-height: 45px;
    }
    
    .header-nav {
        gap: 0.25rem;
    }
    
    .nav-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.55rem;
        min-width: 50px;
    }
    
    .mobile-toggle-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.55rem;
    }
    
    .header-actions .btn-primary {
        padding: 0.25rem 0.5rem;
        font-size: 0.55rem;
    }
    
    .mobile-toggle-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.6rem;
    }
    
    .mobile-toggle-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .map-container {
        height: calc(100vh - 100px);
    }
    
    .sidebar-content {
        padding: var(--spacing-lg);
    }
    
    .main-content {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    /* Login page responsive */
    .login-container {
        padding: var(--spacing-sm);
    }
    
    .login-card {
        padding: var(--spacing-md);
    }
    
    .login-header {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-md);
    }
    
    .login-input {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .login-button {
        padding: 0.625rem;
        font-size: 0.75rem;
    }
    
    .login-error {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
    
    .auth-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
    
    .user-menu {
        min-width: 120px;
    }
    
    .user-menu-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8125rem;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .footer {
        display: none;
    }
    
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .header {
        border-bottom: 2px solid #000;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn var(--transition-base);
}

.slide-up {
    animation: slideUp var(--transition-slow);
}

/* Accessibility */
.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;
}

/* Focus Visible */
*:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Performance Optimization */
.sidebar,
.map-container {
    will-change: auto; /* Only use will-change when actually animating */
}

.modal-content {
    contain: layout style;
}

/* Optimize Leaflet markers for canvas rendering */
.leaflet-overlay-pane canvas {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Hardware acceleration for smooth animations */
.leaflet-popup-content-wrapper {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Reduce paint areas */
.detail-item {
    contain: layout;
}

/* Optimize scrolling performance */
.sidebar {
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

/* Prevent body scroll when modal is open */
body.modal-open {
    overflow: hidden !important;
}