body, html {
  margin: 0; padding: 0; font-family: sans-serif;
  background: #f7f7f7; color: #222;
}
#loginPage {
  display: flex; justify-content: center; align-items: center;
  height: 100vh; background: #2e7d32;
}
#loginBox {
  background: #388e3c; padding: 30px; border-radius: 12px; color: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  text-align: center; width: 300px;
}
#loginBox input {
  width: 100%; padding: 10px; margin: 8px 0;
  border: none; border-radius: 8px;
}
#loginBox button {
  background: #ff6d00; color: white; padding: 12px;
  border: none; border-radius: 10px; font-weight: bold;
}
header {
  background: #2e7d32; color: white; padding: 10px 20px;
  display: flex; justify-content: space-between; align-items: center;
}
nav {
  display: flex; gap: 10px; padding: 10px; background: #1b5e20;
}
nav button {
  flex: 1; padding: 10px; border: none;
  background: #66bb6a; color: white; font-weight: bold;
  border-radius: 8px;
}
main {
  padding: 20px;
}