/* ==================== CSS Variables ==================== */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-bg: #0f0f23;
    --dark-surface: #1a1a2e;
    --dark-elevated: #25254d;
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --text-muted: #7676a3;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* ==================== Header ==================== */
.header {
    background: var(--dark-surface);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 100%;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-5px);
    }
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.125rem;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

/* ==================== Buttons ==================== */
.btn-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.btn-secondary:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==================== Main Content ==================== */
.main-content {
    display: flex;
    height: calc(100vh - 73px);
}

/* ==================== Sidebar ==================== */
.sidebar {
    width: 320px;
    background: var(--dark-surface);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.sidebar::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--dark-elevated);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: #667eea;
}

.sidebar-section {
    background: var(--dark-elevated);
    border-radius: 0.75rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-smooth);
}

.sidebar-section:hover {
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.1);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title svg {
    color: #667eea;
}

/* ==================== Basemap Selector ==================== */
.basemap-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.basemap-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.basemap-preview {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 2px solid transparent;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.basemap-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.basemap-option:hover .basemap-preview::before {
    opacity: 1;
}

.basemap-option.active .basemap-preview {
    border-color: #667eea;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    transform: scale(1.05);
}

.basemap-icon {
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.basemap-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.basemap-option.active .basemap-name {
    color: var(--text-primary);
    font-weight: 600;
}

/* ==================== Layers List ==================== */
.layers-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--dark-bg);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-smooth);
    cursor: pointer;
}

.layer-item:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateX(4px);
}

.layer-checkbox {
    position: relative;
    cursor: pointer;
    user-select: none;
}

.layer-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    display: block;
    width: 20px;
    height: 20px;
    background: var(--dark-elevated);
    border: 2px solid var(--border-color);
    border-radius: 0.25rem;
    transition: all var(--transition-smooth);
    position: relative;
}

.layer-checkbox input:checked~.checkmark {
    background: var(--primary-gradient);
    border-color: transparent;
}

.layer-checkbox input:checked~.checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.layer-info {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.layer-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.layer-color {
    width: 24px;
    height: 24px;
    border-radius: 0.25rem;
    box-shadow: var(--shadow-sm);
}

/* ==================== Attribute Selector ==================== */
.attribute-description {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-style: italic;
}

.attributes-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.attributes-list::-webkit-scrollbar {
    width: 4px;
}

.attributes-list::-webkit-scrollbar-track {
    background: var(--dark-bg);
    border-radius: 2px;
}

.attributes-list::-webkit-scrollbar-thumb {
    background: var(--dark-elevated);
    border-radius: 2px;
}

.attributes-list::-webkit-scrollbar-thumb:hover {
    background: #667eea;
}

.attribute-checkbox {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem;
    background: var(--dark-bg);
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
}

.attribute-checkbox:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
}

.attribute-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.attribute-checkbox .checkmark {
    display: block;
    width: 18px;
    height: 18px;
    background: var(--dark-elevated);
    border: 2px solid var(--border-color);
    border-radius: 0.25rem;
    transition: all var(--transition-smooth);
    position: relative;
    flex-shrink: 0;
}

.attribute-checkbox input:checked~.checkmark {
    background: var(--primary-gradient);
    border-color: transparent;
}

.attribute-checkbox input:checked~.checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.attribute-name {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.attribute-checkbox:hover .attribute-name {
    color: var(--text-primary);
}

/* ==================== Thematic Mapping Panel ==================== */
.thematic-description {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-style: italic;
    text-align: center;
}

.thematic-selector-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.thematic-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.thematic-select {
    width: 100%;
    padding: 0.625rem;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.thematic-select:hover {
    border-color: rgba(102, 126, 234, 0.5);
    background: rgba(102, 126, 234, 0.05);
}

.thematic-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.thematic-select option {
    background: var(--dark-surface);
    color: var(--text-primary);
    padding: 0.5rem;
}

.thematic-select optgroup {
    background: var(--dark-elevated);
    color: var(--text-primary);
    font-weight: 600;
    font-style: normal;
}

.btn-thematic,
.btn-thematic-reset {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-smooth);
    font-family: inherit;
}

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

.btn-thematic:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-thematic:active:not(:disabled) {
    transform: translateY(0);
}

.btn-thematic:disabled {
    background: var(--dark-elevated);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}

.btn-thematic-reset {
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
    border: 1px solid rgba(255, 59, 48, 0.3);
}

.btn-thematic-reset:hover {
    background: rgba(255, 59, 48, 0.2);
    border-color: #ff3b30;
    transform: translateY(-2px);
}

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

/* ==================== Attribute Table Panel ==================== */
.attribute-table-info {
    margin-bottom: 0.75rem;
}

.table-description {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: 0.5rem;
}

.close-table-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all var(--transition-fast);
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-table-btn:hover {
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.attribute-table-container {
    max-height: 400px;
    overflow-y: auto;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.attribute-table-container::-webkit-scrollbar {
    width: 6px;
}

.attribute-table-container::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

.attribute-table-container::-webkit-scrollbar-thumb {
    background: var(--dark-elevated);
    border-radius: 3px;
}

.attribute-table-container::-webkit-scrollbar-thumb:hover {
    background: #667eea;
}

.attribute-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.attribute-table thead {
    position: sticky;
    top: 0;
    background: var(--dark-elevated);
    z-index: 10;
}

.attribute-table th {
    padding: 0.75rem 0.5rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.attribute-table th:first-child {
    padding-left: 1rem;
}

.attribute-table th:last-child {
    padding-right: 1rem;
}

.attribute-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-fast);
}

.attribute-table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

.attribute-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.attribute-table tbody tr:nth-child(even):hover {
    background: rgba(102, 126, 234, 0.08);
}

.attribute-table td {
    padding: 0.625rem 0.5rem;
    color: var(--text-secondary);
}

.attribute-table td:first-child {
    font-weight: 500;
    color: var(--text-primary);
    padding-left: 1rem;
    width: 45%;
}

.attribute-table td:last-child {
    padding-right: 1rem;
    font-family: 'Courier New', monospace;
    color: #4facfe;
}

.attribute-table .no-data {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
    font-style: italic;
}

.attribute-table .attribute-highlight {
    background: rgba(102, 126, 234, 0.15);
    animation: highlightFade 2s ease-out;
}

@keyframes highlightFade {
    from {
        background: rgba(102, 126, 234, 0.3);
    }

    to {
        background: rgba(102, 126, 234, 0.15);
    }
}

/* ==================== Legend ==================== */
.legend-content {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.legend-placeholder {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: 1rem;
}

.legend-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.legend-classes {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.legend-class-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.375rem;
    border-radius: 0.25rem;
    transition: background-color var(--transition-fast);
}

.legend-class-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.legend-color-box {
    width: 24px;
    height: 24px;
    border-radius: 0.25rem;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.legend-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    flex: 1;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 0.25rem;
    flex-shrink: 0;
}

/* ==================== Map Container ==================== */
.map-container {
    flex: 1;
    position: relative;
    background: var(--dark-bg);
}

#map {
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
}

/* ==================== Map Controls ==================== */
.map-controls {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 1000;
}

.map-control-btn {
    width: 44px;
    height: 44px;
    background: var(--dark-surface);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-smooth);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.map-control-btn:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

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

/* ==================== Loading Indicator ==================== */
.loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--dark-surface);
    backdrop-filter: blur(10px);
    padding: 2rem 3rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    z-index: 2000;
    opacity: 1;
    transition: opacity var(--transition-smooth);
}

.loading-indicator.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--dark-elevated);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

/* ==================== Modal ==================== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-smooth);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform var(--transition-smooth);
}

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

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

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-smooth);
}

.modal-close:hover {
    background: var(--dark-elevated);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-body p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.modal-body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 1.5rem 0 0.75rem;
}

.modal-body ul {
    list-style: none;
    padding-left: 0;
}

.modal-body li {
    color: var(--text-secondary);
    line-height: 1.8;
    padding-left: 1.5rem;
    position: relative;
}

.modal-body li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* ==================== Leaflet Customization ==================== */
.leaflet-popup-content-wrapper {
    background: var(--dark-surface);
    color: var(--text-primary);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.leaflet-popup-tip {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
}

.leaflet-popup-content {
    margin: 0;
    line-height: 1.5;
}

.popup-content {
    padding: 1rem;
    min-width: 250px;
}

.popup-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.popup-content p {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.popup-content strong {
    color: var(--text-primary);
    font-weight: 500;
}

.neighborhood-label {
    background: transparent;
    border: none;
    box-shadow: none;
    color: #fff;
    font-weight: bold;
    text-shadow: 2px 2px 2px #000;
    font-size: 12px;
}