/* ============================================
   MRGD — Major Global Risk Dashboard
   Professional geopolitical research aesthetic
   ============================================ */

:root {
    /* Base palette — dark, serious, institutional */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #151d2e;
    --bg-card-hover: #1a2336;
    --border: #1e293b;
    --border-light: #2a3a52;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #cbd5e1;

    /* Domain colors */
    --color-tech: #f59e0b;
    --color-env: #10b981;
    --color-demo: #6366f1;
    --color-social: #ec4899;
    --color-systemic: #ef4444;

    /* Chart palette */
    --chart-1: #3b82f6;
    --chart-2: #ef4444;
    --chart-3: #10b981;
    --chart-4: #f59e0b;
    --chart-5: #8b5cf6;
    --chart-6: #ec4899;
    --chart-7: #06b6d4;
    --chart-8: #f97316;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Radius */
    --radius: 8px;
    --radius-lg: 12px;
}

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

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ============ TOP BAR ============ */
.top-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(10, 14, 23, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.top-bar-left {
    flex-shrink: 0;
}

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

.logo-icon {
    color: var(--chart-1);
    font-size: 1.4rem;
}

.logo-text {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 1.5px;
    color: var(--text-primary);
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
    border-left: 1px solid var(--border-light);
    padding-left: var(--space-sm);
    margin-left: var(--space-xs);
}

.top-bar-center {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
    overflow-x: auto;
}

.theme-nav {
    display: flex;
    gap: 2px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 2px;
}

.theme-btn {
    padding: 6px 14px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}

.theme-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.theme-btn.active {
    color: #fff;
    background: var(--chart-1);
    box-shadow: 0 1px 4px rgba(59, 130, 246, 0.3);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

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

.filter-select {
    padding: 5px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.filter-select:hover,
.filter-select:focus {
    border-color: var(--chart-1);
    color: var(--text-primary);
}

.last-updated {
    font-size: 0.65rem;
    color: var(--text-muted);
    max-width: 200px;
    line-height: 1.3;
}

.mobile-nav-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 200;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

/* ============ MAIN CONTENT ============ */
.dashboard-main {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

/* Sections */
.theme-section {
    display: none;
}

.theme-section.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

.section-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xs);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    max-width: 900px;
    line-height: 1.65;
}

/* ============ SCORECARDS ============ */
.scorecard-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.scorecard {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all 0.2s;
}

.scorecard:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-1px);
}

.scorecard-label {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.scorecard-value {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--space-xs);
}

.scorecard-delta {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.scorecard-bar {
    margin-top: var(--space-sm);
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.scorecard-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 1s ease-out;
}

/* ============ CHART GRID ============ */
.chart-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.2s;
}

.chart-card:hover {
    border-color: var(--border-light);
}

.chart-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-md);
}

.chart-header h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-source {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-style: italic;
    white-space: nowrap;
    flex-shrink: 0;
}

.chart-body {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
    height: 320px;
    position: relative;
}

.chart-body-tall {
    height: 450px;
}

.chart-body canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ============ FOOTER ============ */
.dashboard-footer {
    margin-top: var(--space-2xl);
    border-top: 1px solid var(--border);
    padding: var(--space-xl) var(--space-lg);
    background: var(--bg-secondary);
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
}

.footer-content strong {
    font-size: 0.78rem;
    color: var(--text-accent);
    display: block;
    margin-bottom: var(--space-xs);
}

.footer-content p {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-right {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1200px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .top-bar-right .last-updated { display: none; }
}

@media (max-width: 900px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .top-bar {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-sm) var(--space-md);
    }
    .top-bar-center {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }
    .theme-nav {
        overflow-x: auto;
        width: 100%;
        padding-bottom: 2px;
    }
    .filter-group {
        flex-wrap: wrap;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
    .scorecard-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .chart-body {
        height: 280px;
    }
    .mobile-nav-toggle {
        display: block;
    }
}

@media (max-width: 500px) {
    .scorecard-row {
        grid-template-columns: 1fr;
    }
    .logo-subtitle {
        display: none;
    }
    html {
        font-size: 13px;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

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

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