:root {
  --bg-primary: #212121;
  --bg-secondary: #2d2d2d;
  --text-primary: #e0e0e0;
  --border-color: #424242;
  --link-color: #64b5f6;
}

body {
  font-family: "Roboto", sans-serif;
  line-height: 1.6;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
}

.content-card {
  max-width: 800px;
  margin: 24px auto;
  padding: 24px 40px;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

h1 {
  font-size: 26px;
  font-weight: 500;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 8px;
  margin-top: 0;
}

h2 {
  font-size: 19px;
  margin-top: 2.5em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
}

h3 {
  font-size: 17px;
  margin-top: 2em;
}

a {
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.back-link {
  font-weight: 500;
  display: inline-block;
  margin-bottom: 24px;
}

ul,
ol {
  padding-left: 20px;
}

code {
  background-color: var(--bg-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Roboto Mono", monospace;
  overflow-wrap: break-word;
}

/* --- NEW: Form Styles for data-request.html --- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input[type="email"] {
  width: 100%;
  padding: 10px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: normal;
}

.button {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--link-color);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  text-align: center;
  transition: background-color 0.2s ease;
}

.button:hover {
  background-color: #1976d2; /* A darker blue */
  text-decoration: none;
}

hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 30px 0;
}

.submit {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: 4px;
  background-color: var(--link-color);
  color: white;
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.button:hover {
  background-color: var(--accent-dark);
  text-decoration: none;
}

/* --- Form Feedback Styles --- */
.form-feedback {
  margin-top: 15px;
  padding: 10px;
  border-radius: 4px;
  display: block;
}
.form-feedback.hidden {
  display: none;
}
.form-feedback.success {
  background-color: #4caf50;
  color: white;
}
.form-feedback.error {
  background-color: var(--danger-color);
  color: white;
}