/* ============================================
   NYC 311 Service Pressure Dashboard
   Professional, clean styling
   ============================================ */

:root {
    /* Colors - Professional palette */
    --color-bg: #f8f9fa;
    --color-surface: #ffffff;
    --color-border: #e1e5eb;
    --color-border-light: #f0f2f5;

    --color-text-primary: #1a1d21;
    --color-text-secondary: #5c6370;
    --color-text-muted: #8b929b;

    --color-accent: #2563eb;
    --color-accent-light: #3b82f6;
    --color-accent-bg: #eff6ff;

    --color-success: #059669;
    --color-warning: #d97706;
    --color-danger: #dc2626;

    /* Choropleth scale - Neutral blue-purple */
    --choro-1: #f0f4f8;
    --choro-2: #c5d5e8;
    --choro-3: #8fb3d9;
    --choro-4: #5a8ac6;
    --choro-5: #2d5a87;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-2xl: 28px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Layout */
    --header-height: 64px;
    --filters-height: 52px;
    --footer-height: 36px;
    --panel-width: 380px;
    --border-radius: 8px;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ============================================
   Header
   ============================================ */
.header {
    height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    flex-shrink: 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1800px;
    margin: 0 auto;
}

.header-title {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.header-title h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.header-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 400;
}

.header-meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.last-updated {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.data-source {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ============================================
   Filters Bar
   ============================================ */
.filters-bar {
    height: var(--filters-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    gap: var(--space-lg);
    flex-shrink: 0;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.filter-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.filter-group select {
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    padding: 6px 28px 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text-primary);
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235c6370' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.filter-group select:hover {
    border-color: var(--color-accent-light);
}

.filter-group select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-bg);
}

.filter-status {
    margin-left: auto;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* ============================================
   Map Container
   ============================================ */
.map-container {
    flex: 1;
    position: relative;
    background: #e8ecf1;
}

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

/* Leaflet customization */
.leaflet-container {
    background: #e8ecf1;
    font-family: var(--font-family);
}

.leaflet-control-zoom {
    border: none !important;
    box-shadow: var(--shadow-md) !important;
}

.leaflet-control-zoom a {
    width: 32px !important;
    height: 32px !important;
    line-height: 32px !important;
    font-size: 16px !important;
    color: var(--color-text-primary) !important;
    background: var(--color-surface) !important;
    border: none !important;
}

.leaflet-control-zoom a:hover {
    background: var(--color-bg) !important;
}

.leaflet-control-zoom-in {
    border-radius: 6px 6px 0 0 !important;
}

.leaflet-control-zoom-out {
    border-radius: 0 0 6px 6px !important;
}

/* Map Legend */
.map-legend {
    position: absolute;
    bottom: 32px;
    left: 16px;
    background: var(--color-surface);
    padding: var(--space-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    min-width: 180px;
}

.legend-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.legend-subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

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

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.legend-color {
    width: 24px;
    height: 16px;
    border-radius: 3px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

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

/* Loading Overlay */
.map-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(248, 249, 250, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    z-index: 1001;
}

.map-loading.hidden {
    display: none;
}

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

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

.map-loading span {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Error Banner */
.error-banner {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--color-danger);
    padding: var(--space-sm) var(--space-md);
    border-radius: 6px;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.error-icon {
    font-size: 16px;
}

/* Tooltip */
.district-tooltip {
    background: var(--color-surface);
    border: none;
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
}

.district-tooltip::before {
    display: none;
}

.tooltip-title {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.tooltip-row {
    display: flex;
    justify-content: space-between;
    gap: var(--space-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}

.tooltip-value {
    font-weight: 500;
    color: var(--color-text-primary);
}

/* ============================================
   Detail Panel
   ============================================ */
.detail-panel {
    width: var(--panel-width);
    background: var(--color-surface);
    border-left: 1px solid var(--color-border);
    overflow-y: auto;
    flex-shrink: 0;
}

/* Placeholder */
.panel-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-text-muted);
}

.placeholder-icon {
    color: var(--color-border);
    margin-bottom: var(--space-md);
}

.panel-placeholder h3 {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.panel-placeholder p {
    font-size: var(--font-size-sm);
}

/* Panel Content */
.panel-content {
    padding: var(--space-lg);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.panel-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.3;
}

.panel-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 20px;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
}

.panel-close:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.metric-card {
    background: var(--color-bg);
    border-radius: 6px;
    padding: var(--space-md);
    text-align: center;
}

.metric-card.metric-primary {
    grid-column: span 2;
    background: var(--color-accent-bg);
}

.metric-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: 4px;
}

.metric-primary .metric-value {
    font-size: 36px;
    color: var(--color-accent);
}

.metric-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.metric-sublabel {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: 2px;
}

.metric-indicator {
    margin-top: 4px;
    font-size: var(--font-size-sm);
}

.metric-indicator.up {
    color: var(--color-danger);
}

.metric-indicator.down {
    color: var(--color-success);
}

.metric-indicator.neutral {
    color: var(--color-text-muted);
}

/* Ranking Badges */
.ranking-badges {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.badge {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border-radius: 6px;
    text-align: center;
}

.badge-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.badge-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Chart Sections */
.chart-section {
    margin-bottom: var(--space-lg);
}

.chart-section h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.chart-container {
    background: var(--color-bg);
    border-radius: 6px;
    padding: var(--space-md);
    height: 180px;
}

.chart-container.chart-small {
    height: 120px;
}

/* Panel Footer */
.panel-footer {
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
}

.prior-week-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.prior-week-note span {
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    height: var(--footer-height);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    flex-shrink: 0;
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .detail-panel {
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        z-index: 1002;
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }

    .detail-panel.open {
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .header-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .filters-bar {
        flex-wrap: wrap;
        height: auto;
        padding: var(--space-sm) var(--space-md);
    }

    .detail-panel {
        width: 100%;
        height: 50vh;
        top: auto;
        bottom: 0;
        border-left: none;
        border-top: 1px solid var(--color-border);
        transform: translateY(100%);
    }

    .detail-panel.open {
        transform: translateY(0);
    }
}

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

.text-up {
    color: var(--color-danger);
}

.text-down {
    color: var(--color-success);
}

.text-neutral {
    color: var(--color-text-muted);
}