/* ============================================
   DESIGN SYSTEM - SmartStack Business Analysis
   ============================================ */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #f97316;
    --accent: #06b6d4;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --bg-input: #151d2e;
    --text: #b8c4d1;
    --text-muted: #8a9bb0;
    --text-bright: #e2e8f0;
    --border: #334155;
    --border-light: #475569;
    --success: #22c55e;
    --warning: #eab308;
    --error: #ef4444;
    --info: #3b82f6;
    --sidebar-width: 280px;
    --header-height: 52px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}
