@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;600&display=swap');
body { background-color: #050505; color: #00ff41; font-family: 'IBM Plex Mono', monospace; font-weight: 300; }
h1, h2 { font-weight: 600; text-transform: lowercase; letter-spacing: -0.05em; text-shadow: 0 0 15px rgba(0, 255, 65, 0.3); }
.card, .calculator-widget { 
  background: rgba(0, 20, 0, 0.4) !important; 
  border: 1px solid #00ff41 !important; 
  border-radius: 0 !important;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

input, select { background: #000 !important; border: 1px solid #00ff41 !important; color: #00ff41 !important; border-radius: 0 !important; padding: 0.75rem !important; font-family: 'IBM Plex Mono', monospace !important; }
input:focus { outline: none; box-shadow: 0 0 15px rgba(0, 255, 65, 0.4); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #050505; }
::-webkit-scrollbar-thumb { background: #00ff41; }