html,body{height:100%}body{margin:0;font-family:Roboto,Helvetica Neue,sans-serif}:root{--primary: #0f766e;--primary-dark: #0b5f59;--bg: #f5f7fb;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--border: #e5e7eb;--radius: 12px}