/* Accent & Air Design System - UberEats Dark Edition */
:root {
    /* Primary Accent - UberEats Green */
    --ubereats-green: #06C167;

    /* Dark Neutrals (Foundation) */
    --page-background: #0F0F0F;
    --card-background: #1A1A1A;
    --card-background-hover: #222222;
    --text-primary: #F5F5F5;
    --text-secondary: #A3A3A3;
    --border-color: #2A2A2A;

    /* Chart & Data Colors */
    --accent-green: #06C167;
    --accent-blue: #60A5FA;
    --accent-gold: #FBBF24;
    --accent-gray: #9CA3AF;
    --accent-teal: #2DD4BF;

    /* Semantic Colors */
    --color-success: #34D399;
    --color-warning: #FB923C;
    --color-error: #FF4D4D;

    /* Shadows for Dark Mode */
    --shadow-card: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-subtle: 0 1px 3px 0 rgb(0 0 0 / 0.3), 0 1px 2px -1px rgb(0 0 0 / 0.2);
}

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

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

/* Dashboard Container */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Header */
.dashboard-header {
    background: var(--card-background);
    padding: 0;
    border-radius: 0;
    margin-bottom: 32px;
    box-shadow: none;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
}

.dashboard-title {
    font-family: 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--ubereats-green);
}

.dashboard-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
}

/* Filters Section */
.filters-section {
    background: var(--card-background);
    padding: 24px;
    border-radius: 8px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-end;
    border: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.date-input,
.aspect-select {
    font-family: 'Inter', sans-serif;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    min-width: 180px;
    min-height: 42px;
    transition: all 0.2s ease;
    background: var(--card-background);
    color: var(--text-primary);
}

/* Custom Dropdown Styles */
.custom-dropdown {
    position: relative;
    min-width: 200px;
}

.dropdown-button {
    font-family: 'Inter', sans-serif;
    width: 100%;
    padding: 10px 14px;
    background: var(--card-background);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.dropdown-button:hover {
    border-color: var(--ubereats-green);
}

.dropdown-button:focus {
    outline: none;
    border-color: var(--ubereats-green);
    box-shadow: 0 0 0 3px rgba(6, 193, 103, 0.1);
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.2s ease;
}

.dropdown-button.open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--shadow-hover);
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    cursor: pointer;
    transition: background 0.2s ease;
    user-select: none;
}

.dropdown-item:hover {
    background: var(--card-background-hover);
}

.dropdown-item input[type="checkbox"] {
    margin-right: 10px;
    cursor: pointer;
    width: 16px;
    height: 16px;
    accent-color: var(--ubereats-green);
}

.dropdown-item span {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: var(--text-primary);
}

.date-input:focus,
.aspect-select:focus {
    outline: none;
    border-color: var(--ubereats-green);
    box-shadow: 0 0 0 3px rgba(6, 193, 103, 0.1);
}

.reset-button {
    font-family: 'Inter', sans-serif;
    padding: 10px 24px;
    background: var(--ubereats-green);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.reset-button:hover {
    background: #05A858;
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
}

.reset-button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-card);
}

/* KPI Cards */
.kpi-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--card-background);
    padding: 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

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

.kpi-label {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.kpi-value {
    font-family: 'Inter', sans-serif;
    font-size: 36px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.kpi-value.small-text {
    font-size: 24px;
    text-transform: capitalize;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.chart-container {
    background: var(--card-background);
    padding: 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.chart-container:hover {
    box-shadow: var(--shadow-hover);
    background: var(--card-background-hover);
}

.chart-container.full-width {
    grid-column: 1 / -1;
}

.chart-title {
    font-family: 'Inter', sans-serif;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 16px;
}

/* Chart divs */
#aspectBarChart,
#treemapChart,
#intensityChart,
#correlationHeatmap,
#sentimentDonut {
    min-height: 400px;
    width: 100%;
}

#correlationHeatmap {
    min-height: 700px;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#treemapChart {
    background: transparent !important;
}

#treemapChart .plotly,
#treemapChart .main-svg,
#treemapChart svg {
    background: transparent !important;
}

#treemapChart .bg {
    fill: transparent !important;
}

#treemapChart .plot-container {
    padding: 0 !important;
}

#treemapChart .svg-container {
    padding: 0 !important;
}

#treemapChart .main-svg {
    border: none !important;
    outline: none !important;
}

#treemapChart .draglayer {
    fill: transparent !important;
}

/* Target the specific grey background Plotly adds */
#treemapChart .plot .bglayer > rect,
#treemapChart .bglayer rect,
#treemapChart rect[fill="#444"],
#treemapChart rect[fill="#444444"],
#treemapChart rect[fill="rgb(68, 68, 68)"],
#treemapChart .gridlayer,
#treemapChart .zerolinelayer {
    fill: #1A1A1A !important;
}

/* Force all SVG rect elements in treemap to use card background */
#treemapChart svg > rect:first-child {
    fill: #1A1A1A !important;
}

/* Footer */
.dashboard-footer {
    background: transparent;
    padding: 24px 0;
    border-radius: 0;
    text-align: center;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    box-shadow: none;
    border-top: 1px solid var(--border-color);
    margin-top: 32px;
}

.dashboard-footer span {
    font-weight: 600;
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }

    .chart-container.full-width {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: 15px;
    }

    .dashboard-title {
        font-size: 2rem;
    }

    .dashboard-subtitle {
        font-size: 1rem;
    }

    .filters-section {
        padding: 20px;
    }

    .kpi-section {
        grid-template-columns: 1fr;
    }

    .kpi-value {
        font-size: 2rem;
    }

    .kpi-value.small-text {
        font-size: 1.2rem;
    }

    .chart-title {
        font-size: 1.1rem;
    }

    #aspectBarChart,
    #treemapChart,
    #intensityChart,
    #correlationHeatmap,
    #sentimentDonut {
        min-height: 300px;
    }
}

@media (max-width: 480px) {
    .dashboard-header {
        padding: 20px 25px;
    }

    .dashboard-title {
        font-size: 1.5rem;
    }

    .filters-section {
        flex-direction: column;
    }

    .date-input,
    .aspect-select {
        width: 100%;
    }

    .reset-button {
        width: 100%;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--ubereats-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Plotly customization */
.js-plotly-plot .plotly .modebar {
    right: 10px !important;
    top: 10px !important;
}

.js-plotly-plot .plotly .modebar-btn {
    color: var(--text-secondary) !important;
}

.js-plotly-plot .plotly .modebar-btn:hover {
    background: var(--page-background) !important;
    color: var(--ubereats-green) !important;
}