:root {
  --bg: #12161a;
  --panel: #1d232a;
  --accent: #56c2ff;
  --accent-soft: #a3dfff;
  --text: #f5f7fa;
  --error: #e74c3c;
  --success: #2ecc71;
  --font-main: 'Segoe UI', sans-serif;
}
* {
  box-sizing: border-box;
  font-family: var(--font-main);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  padding-top: 72px;
}
.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 1rem;
}
.account-section {
  background: var(--panel);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}
.account-section h3 {
  margin-top: 0;
  font-size: 1.3rem;
  color: var(--accent);
}
textarea {
  width: 100%;
  background: #1a1f26;
  color: var(--text);
  border: 1px solid #444;
  border-radius: 5px;
  padding: 0.8rem;
  margin-top: 0.5rem;
  resize: vertical;
}
button.save,
.enable-2fa-button {
  display: inline-block;
  margin-top: 1rem;
  background: var(--success);
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 5px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease-in-out;
}
button.save:hover,
.enable-2fa-button:hover {
  background: #27ae60;
}
.enable-2fa-button {
  background: #2980b9;
}
.enable-2fa-button:hover {
  background: #1f6698;
}
.success {
  background-color: var(--success);
  padding: 0.8rem;
  border-radius: 5px;
  color: #fff;
  margin-bottom: 1rem;
}
.enabled {
  color: var(--success);
}
.disabled {
  color: var(--error);
}
input[type="text"],
input[type="password"] {
  width: 100%;
  background: #1a1f26;
  color: var(--text);
  border: 1px solid #444;
  border-radius: 5px;
  padding: 0.6rem;
  margin-top: 0.5rem;
}