/* ============================================
   GLOBAL DEVELOPMENT DASHBOARD
   Premium Dark Theme Design System
   ============================================ */

/* === CSS Custom Properties === */
:root {
    /* Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1629;
    --bg-card: rgba(15, 23, 42, 0.8);
    --bg-card-hover: rgba(20, 30, 55, 0.9);
    --bg-glass: rgba(15, 23, 42, 0.6);

    --accent-blue: #3b82f6;
    --accent-violet: #8b5cf6;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-subtle: rgba(148, 163, 184, 0.1);
    --border-glow: rgba(59, 130, 246, 0.3);

    --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --gradient-warm: linear-gradient(135deg, #f59e0b, #ef4444);
    --gradient-emerald: linear-gradient(135deg, #10b981, #06b6d4);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 1px 4px rgba(0, 0, 0, 0.2);
    --shadow-glow-blue: 0 0 30px rgba(59, 130, 246, 0.15);
    --shadow-glow-violet: 0 0 30px rgba(139, 92, 246, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* === Ambient Background === */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.ambient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: orbFloat 20s ease-in-out infinite;
}

.ambient-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent);
    top: -200px;
    right: -100px;
    animation-duration: 25s;
}

.ambient-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12), transparent);
    bottom: 20%;
    left: -150px;
    animation-duration: 30s;
    animation-delay: -5s;
}

.ambient-orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1), transparent);
    top: 50%;
    right: 10%;
    animation-duration: 22s;
    animation-delay: -10s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

/* === Header === */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-md) var(--space-xl);
}

.header-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

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

.header-logo svg {
    width: 40px;
    height: 40px;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.header-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.02em;
}

.header-sources {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.source-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.source-badge:hover {
    border-color: var(--border-glow);
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
}

.source-badge svg {
    opacity: 0.7;
}

/* === Filters Bar === */
.filters-bar {
    position: relative;
    z-index: 50;
    background: rgba(15, 22, 41, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-md) var(--space-xl);
}

.filters-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: flex-end;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.filter-group label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.filter-group select {
    appearance: none;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 8px 32px 8px 12px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='%2394a3b8'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    min-width: 160px;
}

.filter-group select:hover,
.filter-group select:focus {
    border-color: var(--accent-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.filter-group select[multiple] {
    min-height: 38px;
    max-height: 38px;
    background-image: none;
    padding-right: 12px;
}

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

.year-separator {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.year-range select {
    min-width: 90px;
}

.filter-reset-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-reset-btn:hover {
    color: var(--accent-red);
    border-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.08);
}

/* === KPI Bar === */
.kpi-bar {
    position: relative;
    z-index: 10;
    padding: var(--space-xl) var(--space-xl);
}

.kpi-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
}

.kpi-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.kpi-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.kpi-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow-blue);
    transform: translateY(-2px);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.kpi-icon-gdp {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    color: var(--accent-blue);
}

.kpi-icon-infra {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(236, 72, 153, 0.15));
    color: var(--accent-violet);
}

.kpi-icon-poverty {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(239, 68, 68, 0.15));
    color: var(--accent-amber);
}

.kpi-icon-energy {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(6, 182, 212, 0.15));
    color: var(--accent-emerald);
}

.kpi-icon-mfg {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(59, 130, 246, 0.15));
    color: var(--accent-cyan);
}

.kpi-content {
    display: flex;
    flex-direction: column;
}

.kpi-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.kpi-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}

/* === Dashboard Main === */
.dashboard {
    position: relative;
    z-index: 10;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-xl) var(--space-3xl);
}

/* === Dashboard Section === */
.dashboard-section {
    margin-bottom: var(--space-3xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-card);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.dashboard-section.revealed {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
}

.section-title-group {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.section-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.section-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.section-controls {
    display: flex;
    gap: var(--space-sm);
}

.chart-type-toggle {
    display: flex;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 3px;
    border: 1px solid var(--border-subtle);
}

.toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 30px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toggle-btn.active {
    background: var(--accent-blue);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.toggle-btn:not(.active):hover {
    color: var(--text-primary);
    background: rgba(148, 163, 184, 0.1);
}

/* === Section Body === */
.section-body {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 0;
}

.section-body-energy {
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.chart-container {
    padding: var(--space-xl);
    position: relative;
    min-height: 360px;
}

.chart-container-wide {
    border-right: 1px solid var(--border-subtle);
}

.chart-container-half {
    padding: var(--space-xl);
    min-height: 320px;
}

.chart-container-half:first-child {
    border-right: 1px solid var(--border-subtle);
}

.chart-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    text-align: center;
}

canvas {
    width: 100% !important;
}

/* === Insights Panel === */
.section-insights {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    justify-content: center;
}

.section-insights-full {
    grid-column: 1 / -1;
    border-top: 1px solid var(--border-subtle);
    flex-direction: row;
    align-items: flex-start;
}

.insight-card {
    flex: 1;
}

.insight-card h3 {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-md);
}

.insight-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.insight-card li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.insight-card li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.insight-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}

.insight-dot-positive { background: var(--accent-emerald); }
.insight-dot-warning { background: var(--accent-amber); }
.insight-dot-negative { background: var(--accent-red); }

.data-source-note {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.7rem;
    color: var(--text-muted);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-subtle);
}

.data-source-note svg {
    flex-shrink: 0;
    opacity: 0.5;
}

/* === Footer === */
.footer {
    position: relative;
    z-index: 10;
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-2xl) var(--space-xl);
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(12px);
}

.footer-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-xl);
}

.footer-brand {
    font-size: 1rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.footer-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    max-width: 500px;
    line-height: 1.6;
}

.footer-right {
    text-align: right;
}

.footer-updated {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-blue);
}

/* === Responsive === */
@media (max-width: 1200px) {
    .kpi-inner {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .section-body {
        grid-template-columns: 1fr;
    }

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

    .chart-container-wide {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }

    .chart-container-half:first-child {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }

    .section-insights-full {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-sources {
        display: none;
    }

    .kpi-inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .kpi-card {
        padding: var(--space-md);
    }

    .kpi-value {
        font-size: 1.3rem;
    }

    .filters-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group select {
        width: 100%;
        min-width: unset;
    }

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

    .footer-inner {
        flex-direction: column;
    }

    .footer-right {
        text-align: left;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .dashboard {
        padding: 0 var(--space-md) var(--space-2xl);
    }

    .header {
        padding: var(--space-md);
    }
}

@media (max-width: 480px) {
    .kpi-inner {
        grid-template-columns: 1fr;
    }
}

/* === Scrollbar Styling === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* === Selection === */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: white;
}