:root {
  /* Color Palette - Real-Time Dark Slate */
  --bg-main: #020617;
  --bg-surface: #0f172a;
  --bg-raised: #1e293b;
  --bg-hover: #334155;
  --border-color: #334155;
  --border-subtle: #1e293b;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #94a3b8;

  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-glow: rgba(59, 130, 246, 0.15);

  --status-success: #22c55e;
  --status-success-bg: rgba(34, 197, 94, 0.1);
  --status-warning: #eab308;
  --status-warning-bg: rgba(234, 179, 8, 0.1);
  --status-error: #ef4444;
  --status-error-bg: rgba(239, 68, 68, 0.1);

  --chart-up: #3b82f6;
  --chart-down: #22c55e;

  /* Typography Stacks (No external Google Fonts due to strict CSP style-src 'self') */
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, Consolas, "SF Mono", "Liberation Mono", Menlo, Courier, monospace;

  /* Spacing & Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions & Shadows */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
  --glow-accent: 0 0 20px rgba(59, 130, 246, 0.2);
}