/* 1. VARIABLES & RESET
   =============================================== */
:root {
    /* Colors */
    --color-primary: #414577;
    --color-primary-light: #e6f0ff;
    --color-primary-dark: #3A447C;
    --color-background: #F3F4F8;
    --color-text: #333;
    --color-text-secondary: #555;
    --color-border: #eaeaea;
    --color-border-light: #ddd;
    
    /* Component-specific colors */
    --color-period-bg: #f0f0f0;
    --color-period-text: #555555;
    --color-period-icon: #777777;
    
    --color-measure-bg: #e6f4ea;
    --color-measure-text: #2d6a4f;
    --color-measure-icon: #40916c;
    
    --color-filter-bg: #f0f0f0;
    --color-filter-text: #555555;
    --color-filter-icon: #777777;
    
    /* Spacing system */
    --space-unit: 8px;
    --space-xs: var(--space-unit);
    --space-sm: calc(var(--space-unit) * 2);
    --space-md: calc(var(--space-unit) * 3);
    --space-lg: calc(var(--space-unit) * 4);
    --space-xl: calc(var(--space-unit) * 5);
    
    /* Layout */
    --sidebar-width: 300px;
    --content-gap: var(--space-md);
    --border-radius: 25px;
    
    /* Transitions */
    --transition-default: all 0.2s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
}

body {
    background-color: var(--color-background);
    display: grid;
    font-family: 'Noto Sans', sans-serif;
    grid-template-rows: auto 1fr 40px;
    line-height: 1.6;
    height: 100vh;
    margin: 0;
}

/* 2. LAYOUT STRUCTURE
   =============================================== */
.app-header {
    background-color: var(--color-background);
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
}

/* 3. HEADER COMPONENTS
   =============================================== */
/* Logo styling */
.app-logo {
    cursor: pointer;
}

.app-logo h1 {
    color: var(--color-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
}

.logo-link {
    color: inherit;
    display: inline-block;
    text-decoration: none;
}

.logo-link:hover {
    opacity: 0.9;
}

/* Search bar */
.app-header .search-bar {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    flex: 1;
}

#promptInput {
    background-color: transparent;
    border: none;
    border-radius: var(--border-radius);
    flex: 1;
    font-family: 'Noto Sans', sans-serif;
    font-size: 16px;
    outline: none;
    padding: 0 20px;
}

/* Override browser's autofill styling */
#promptInput:-webkit-autofill,
#promptInput:-webkit-autofill:hover,
#promptInput:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0px 1000px white inset;
    transition: background-color 5000s ease-in-out 0s;
    background-color: white !important;
}

.search-button {
    align-items: center;
    background-color: transparent;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    height: 50px;
    justify-content: center;
    transition: var(--transition-default);
    width: 50px;
}

.search-button:hover {
    background-color: #f5f5f5;
}

/* Location control */
.location-control {
    align-items: center;
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    font-size: 12px;
    gap: 8px;
}

.location-control input[type="checkbox"] {
    appearance: none;
    background-color: white;
    border: none;
    border-radius: 3px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    height: 16px;
    margin: 0;
    position: relative;
    width: 16px;
}

.location-control input[type="checkbox"]:checked {
    background-color: var(--color-primary);
}

.location-control input[type="checkbox"]:checked::after {
    border: solid white;
    border-width: 0 2px 2px 0;
    content: "";
    height: 8px;
    left: 5px;
    position: absolute;
    top: 2px;
    transform: rotate(45deg);
    width: 4px;
}

.location-control input[type="checkbox"]:focus {
    box-shadow: 0 0 0 1px rgba(65, 69, 119, 0.2);
    outline: none;
}

/* 4. DASHBOARD COMPONENTS
   =============================================== */
.dashboard-header {
    display: flex;
    gap: 10px;
    margin: 15px 0 10px var(--space-xl);
}

.dashboard-title {
    color: var(--color-primary);
    font-family: 'Asap', sans-serif;
    font-size: 1.1rem;
    font-weight: normal;
}

.dashboard-icon {
    color: var(--color-primary);
    font-size: 24px;
}

.dashboard-panel {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
    display: flex;
    margin: 0 var(--space-xl) 0 var(--space-xl);
    height: calc(85vh - 42px);
    max-height: calc(85vh - 42px);
    padding: 25px;
    position: relative;
}

.visualization-area {
    border-right: 1px solid var(--color-border);
    display: flex;
    flex: 1;
    flex-direction: column;
    padding-right: 30px;
}

.viz-title {
    color: var(--color-primary-dark);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.viz-description {
    color: #696969;
    font-size: 0.9rem;
    font-weight: 100;
    line-height: 1.5;
    margin-bottom: 10px;
}

/* 5. CHART COMPONENTS
   =============================================== */
.viz-container {
    flex: 1;
    overflow: auto;
}

/* Bar Chart Components */
.viz-bar-scroll {
    height: calc(100% - 40px);
}

.viz-bar-canvas {
    width: 100%;
}

.viz-axis-container {
    height: 40px;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 2;
}

.viz-axis-canvas {
    height: 100%;
    width: 100%;
}

/* Leaflet Maps */
.viz-container .leaflet-container {
    flex: 1;
    margin-bottom: 20px;
    min-height: 300px;
    width: 100%;
}

/* Chart Type Selector */
.chart-type-option {
    align-items: center;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    height: 44px;
    justify-content: center;
    transition: var(--transition-default);
}

.chart-type-option:hover {
    background-color: var(--color-primary-light);
}

.chart-type-option.selected {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}

.chart-type-option .material-icons {
    color: var(--color-primary);
    font-size: 22px;
}

.chart-type-option .chart-icon {
    display: block;
    margin: auto;
    width: 35px;
}

/* 6. SIDEBAR & CONTROLS
   =============================================== */
.control-panel {
    flex: 0 0 var(--sidebar-width);
    height: 100%;
    max-height: calc(100% - 20px);
    overflow-y: auto;
    padding-left: var(--space-lg);
    padding-right: 10px;
    position: relative;
    z-index: 2;
}

.viz-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.control-heading {
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.control-section-title {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.viz-type-selector {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 20px;
}

.viz-period,
.viz-dimensions,
.viz-metrics,
.viz-filters,
.viz-dimension-swap {
    margin-bottom: 16px;
}

/* Tag/Pill Components */
.tag-item {
    align-items: center;
    background-color: var(--color-primary-light); /* Default styling (for dimensions) */
    border-radius: 16px;
    color: var(--color-primary-dark);
    cursor: default;
    display: inline-flex;
    font-size: 0.8rem;
    margin: 0 4px 8px 0;
    padding: 4px 10px;
    transition: var(--transition-default);
}

.tag-item:hover {
    background-color: #dbe5f9;
}

.tag-item .material-icons {
    color: var(--color-primary);
    font-size: 18px;
    margin-right: 4px;
}

/* Measures styling */
.viz-metrics .tag-item {
    background-color: var(--color-measure-bg);
    color: var(--color-measure-text);
}

.viz-metrics .tag-item:hover {
    background-color: #d8efe0;
}

.viz-metrics .tag-item .material-icons {
    color: var(--color-measure-icon);
}

/* Filters styling */
.viz-filters .tag-item {
    background-color: var(--color-filter-bg);
    color: var(--color-filter-text);
}

.viz-filters .tag-item:hover {
    background-color: #e5e5e5;
}

.viz-filters .tag-item .material-icons {
    color: var(--color-filter-icon);
}

/* Period pill styling */
.viz-filters .tag-item.period {
    background-color: var(--color-period-bg);
    color: var(--color-period-text);
}

.viz-filters .tag-item.period .material-icons {
    color: var(--color-period-icon);
}

/* Date Period Pill Styling */
.tag-item.date-period {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    color: #333333;
}

.tag-item.date-period .material-icons {
    color: #777777;
}

.tag-item.date-period:hover {
    background-color: #f9f9f9;
}

/* Data Source Pills */
.data-source-pills {
    align-items: center;
    color: #868DB4;
    display: flex;
    flex-wrap: wrap;
    font-size: 14px;
    line-height: 1.4;
    margin: 10px 0;
}

.data-source-label {
    font-size: 0.9em;
    font-weight: normal;
    margin-right: 8px;
}

.data-source-pill {
    align-items: center;
    background-color: #F0F1F6;
    border-radius: 16px;
    color: #868DB4;
    display: inline-flex;
    font-size: 0.8em;
    font-weight: 500;
    margin-bottom: 4px;
    margin-right: 6px;
    padding: 4px 12px;
}

.data-source-pill .material-symbols-outlined {
    font-size: 14px;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    padding-right: 4px;
    vertical-align: middle;
}

/* Dimension Swap Button */
.dimension-swap-btn {
    transition: var(--transition-default);
}

.dimension-swap-btn:hover {
    background-color: var(--color-primary-light);
}

/* Empty state message */
.empty-message {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    font-style: italic;
    opacity: 0.7;
}

/* 7. LOADING SPINNER
   =============================================== */
.loader-overlay {
    align-items: center;
    background-color: rgba(255, 255, 255, 0.85);
    border-radius: var(--border-radius);
    bottom: 0;
    display: flex;
    justify-content: center;
    left: 0;
    opacity: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: opacity 0.3s, visibility 0.3s;
    visibility: hidden;
    z-index: 1000;
}

.loader-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.loader-content {
    align-items: center;
    display: flex;
    flex-direction: column;
}

.loader-text {
    color: var(--color-primary);
    font-family: 'Noto Sans', sans-serif;
    font-size: 16px;
    font-weight: 500;
    margin-top: 12px;
}

.loader {
    animation: rotation 1s linear infinite;
    border: 5px solid var(--color-primary-light);
    border-bottom-color: var(--color-primary);
    border-radius: 50%;
    box-sizing: border-box;
    display: inline-block;
    height: 48px;
    width: 48px;
}

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

/* Footer placeholder styles */
#app-footer-placeholder {
    grid-row: 3;
    height: 45px;
}

/* 8. MEDIA QUERIES
   =============================================== */
@media (max-width: 900px) {
    .app-header {
        align-items: stretch;
        flex-direction: column;
    }
    
    .app-logo {
        margin: 0 auto 16px;
        text-align: center;
    }
    
    .search-bar {
        max-width: 100%;
    }
    
    .dashboard-panel {
        flex-direction: column;
        padding: var(--space-md);
    }
    
    .control-panel {
        border-left: none;
        border-top: 1px solid var(--color-border);
        height: auto;
        margin-top: 20px;
        max-height: 300px;
        padding: var(--space-md) 0 0;
        width: 100%;
    }
    
    .visualization-area {
        border-right: none;
        max-width: 100%;
        padding-right: 0;
    }
}

/* Tablet optimizations */
@media (min-width: 768px) and (max-width: 1024px) {
    :root {
        --sidebar-width: 250px;
    }
    
    .viz-type-selector {
        grid-template-columns: repeat(2, 1fr);
    }
}