body {
  color-scheme: light-dark;
  font-family: 'Arial', sans-serif;
  background-color: light-dark(#accdf7, #024226);
  color: #1a1a1a;
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  background: linear-gradient(45deg, #007944, #005f87);
  color: white;
  padding: 2rem 1rem;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.logo {
  max-width: 220px;
  margin-bottom: 1rem;
}

.admin-btn {
  position: fixed;
  right: 1em;
  top: 1em;
  background-color: #007944;
  color: white;
  border: none;
  padding: 0.7rem 1.2rem;
  border-radius: 5px;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s;
}

.admin-btn:hover {
  background-color: #005f87;
}

.remove-btn {
  display: none;
}

.admin-mode .remove-btn {
  display: inline-block;
}

form {
  max-width: 600px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

form label {
  display: block;
  margin-bottom: 1rem;
  font-weight: bold;
}

form input, form textarea {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.5rem;
  background-color: #f4f7f6;
  color: #1a1a1a;
  border: 1px solid #ccc;
  border-radius: 4px;
}

form textarea {
  resize: vertical;
  min-height: 100px;
}

button {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #007944;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #005f87;
}

button:disabled {
  background-color: #aaa;
  cursor: not-allowed;
}

button .btn-loader {
  display: none;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #007944;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  animation: spin 1s linear infinite;
  margin-left: 0.5rem;
}

button.loading .btn-text {
  display: none;
}

button.loading .btn-loader {
  display: inline-block;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

#recentConcerns {
  max-width: 800px;
  margin: 3rem auto;
  padding: 2rem;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.concern {
  padding: 1rem;
  border-bottom: 1px solid #ddd;
}