:root{--primary: #2563EB;--bg: #F1F5F9;--card: #FFFFFF;--text: #1E293B;--success: #10B981;--warning: #F59E0B;--danger: #EF4444}body{font-family:Inter,sans-serif;background-color:var(--bg);color:var(--text);margin:0;padding:20px}.container{max-width:1200px;margin:0 auto}.header{margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid #e2e8f0}.header h1{color:var(--primary);margin:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.card{background:var(--card);padding:1.5rem;border-radius:12px;box-shadow:0 4px 6px -1px #0000001a}.card h3{margin-top:0;font-size:1rem;color:#64748b}.big-number{font-size:2.5rem;font-weight:700;margin:0;color:var(--primary)}