/* ===================================
   CSS Variables & Theme
   =================================== */
:root {
    /* Colors - Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    
    --accent-primary: #007BFF;
    --accent-hover: #0056b3;
    --accent-light: #cce5ff;
    
    --success: #28a745;
    --warning: #ffc107;
    --error: #dc3545;
    --info: #17a2b8;
    
    --border-color: #dee2e6;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
    
    /* Status colors */
    --status-open: #28a745;
    --status-closed: #dc3545;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    
    --border-color: #404040;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
}

/* ===================================
   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 {
    outline: 3px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Skip to main content */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ===================================
   Header
   =================================== */
.header {
    background: linear-gradient(135deg, var(--accent-primary) 0%, #0056b3 100%);
    color: white;
    padding: 12px var(--spacing-md);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
}

.header-content h1 {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.header-content .icon {
    font-size: 2rem;
}

.header-content .subtitle {
    display: block;
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

.tagline {
    font-size: 0.85rem;
    opacity: 0.95;
    font-weight: 300;
}

/* Theme Toggle */
.theme-toggle {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.5rem;
}

.theme-toggle:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

/* ===================================
   Statistics Bar
   =================================== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 6px;
    padding: 10px;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.stat-card {
    text-align: center;
    padding: 6px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 2px;
}

.stat-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===================================
   Main Container
   =================================== */
.main-container {
    min-height: calc(100vh - 200px);
}

.content-wrapper {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

/* ===================================
   Sidebar (Form)
   =================================== */
.sidebar {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: var(--spacing-md);
    max-height: calc(100vh - 2 * var(--spacing-md));
    overflow-y: auto;
}

/* Custom scrollbar */
.sidebar::-webkit-scrollbar {
    width: 8px;
}

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

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

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Form Styles */
.search-form {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
}

.tooltip {
    cursor: help;
    opacity: 0.7;
    transition: var(--transition);
}

.tooltip:hover {
    opacity: 1;
}

.form-input,
.form-select {
    width: 100%;
    padding: 6px 10px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.85rem;
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-help {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Status Switch */
.status-switch-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.status-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.status-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    cursor: pointer;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--status-open);
    transition: var(--transition);
    border-radius: var(--radius-full);
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider {
    background-color: var(--status-closed);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 8px 14px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.btn-icon {
    font-size: 1.2rem;
}

/* Loading state */
.btn-primary.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-primary.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

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

/* Recent Searches */
.recent-searches-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.recent-search-item {
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
}

.recent-search-item:hover {
    background: var(--accent-light);
    border-color: var(--accent-primary);
}

/* Export Section */
.export-section {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 2px solid var(--border-color);
}

.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.export-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.export-buttons .btn-secondary {
    width: auto;
}

/* ===================================
   Map Section
   =================================== */
.map-section {
    position: relative;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

#map {
    height: calc(100vh - 300px);
    min-height: 500px;
    width: 100%;
    border-radius: var(--radius-lg);
}

/* Map Controls */
.map-controls {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1000;
}

.map-control-btn {
    width: 44px;
    height: 44px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.map-control-btn:hover {
    background: var(--accent-light);
    border-color: var(--accent-primary);
    transform: scale(1.1);
}

.map-control-btn:active {
    transform: scale(0.95);
}

/* Dark mode map adjustments */
[data-theme="dark"] .leaflet-tile {
    filter: brightness(0.6) invert(1) contrast(3) hue-rotate(200deg) saturate(0.3) brightness(0.7);
}

/* Marker Cluster Styles */
.marker-cluster-small {
    background-color: rgba(181, 226, 140, 0.6);
}

.marker-cluster-small div {
    background-color: rgba(110, 204, 57, 0.8);
}

.marker-cluster-medium {
    background-color: rgba(241, 211, 87, 0.6);
}

.marker-cluster-medium div {
    background-color: rgba(240, 194, 12, 0.8);
}

.marker-cluster-large {
    background-color: rgba(253, 156, 115, 0.6);
}

.marker-cluster-large div {
    background-color: rgba(241, 128, 23, 0.8);
}

.marker-cluster {
    background-clip: padding-box;
    border-radius: 20px;
}

.marker-cluster div {
    width: 30px;
    height: 30px;
    margin-left: 5px;
    margin-top: 5px;
    text-align: center;
    border-radius: 15px;
    font: 12px "Helvetica Neue", Arial, sans-serif;
    font-weight: bold;
    line-height: 30px;
    color: white;
}

/* Custom Popup Styles */
.leaflet-popup-content-wrapper {
    border-radius: var(--radius-md);
    padding: 0;
}

.leaflet-popup-content {
    margin: var(--spacing-md);
    font-size: 0.9rem;
    line-height: 1.5;
}

.popup-header {
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.popup-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.popup-status.open {
    background: var(--status-open);
    color: white;
}

.popup-status.closed {
    background: var(--status-closed);
    color: white;
}

.popup-comment {
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent-primary);
    margin: var(--spacing-sm) 0;
    border-radius: var(--radius-sm);
}

.popup-user {
    font-weight: 600;
    color: var(--accent-primary);
}

.popup-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ===================================
   Status Bar
   =================================== */
.status-bar {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    max-width: 90%;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.status-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.95rem;
}

.status-icon {
    font-size: 1.5rem;
}

.status-sending {
    color: var(--warning);
}

.status-success {
    color: var(--success);
}

.status-error {
    color: var(--error);
}

.status-info {
    color: var(--info);
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-primary);
    animation: spin 0.6s linear infinite;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-xl) var(--spacing-md);
    border-top: 2px solid var(--border-color);
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-content a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-content a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin: var(--spacing-md) 0;
}

.footer-credits {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: var(--spacing-md);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablets */
@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 200px 1fr;
        gap: var(--spacing-sm);
    }
    
    .sidebar {
        font-size: 0.85rem;
        padding: 10px;
    }
    
    .export-buttons {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .sidebar {
        position: static;
        max-height: none;
    }
    
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    #map {
        height: 400px;
        min-height: 300px;
    }
    
    .header-content h1 {
        font-size: 1.5rem;
    }
    
    .header-content .subtitle {
        font-size: 0.8rem;
    }
    
    .theme-toggle {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .status-bar {
        max-width: calc(100% - 2 * var(--spacing-md));
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .map-controls {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .map-control-btn {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .stats-bar {
        grid-template-columns: 1fr;
    }
    
    .header {
        padding: var(--spacing-md);
    }
    
    .content-wrapper {
        padding: var(--spacing-sm);
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .sidebar,
    .theme-toggle,
    .map-controls,
    .status-bar,
    .footer-nav {
        display: none;
    }
    
    #map {
        height: 500px;
    }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

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

.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }