body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #111827;
  color: #f9fafb;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

h1, h2 {
  margin-bottom: 8px;
}

p {
  color: #9ca3af;
}

.card {
  background: #1f2937;
  border: 1px solid #374151;
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

button, .logout {
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  background: #2563eb;
  color: white;
  font-size: 16px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

button:hover, .logout:hover {
  opacity: 0.85;
}

.primary {
  background: #16a34a;
}

.warning {
  background: #d97706;
}

.danger {
  background: #dc2626;
}

.login-card {
  max-width: 360px;
  margin: 100px auto;
  background: #1f2937;
  padding: 28px;
  border-radius: 18px;
  border: 1px solid #374151;
}

input {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 12px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid #4b5563;
  background: #111827;
  color: white;
}

.error {
  background: #7f1d1d;
  padding: 10px;
  border-radius: 10px;
  margin-bottom: 12px;
}

pre {
  white-space: pre-wrap;
  background: #111827;
  padding: 12px;
  border-radius: 12px;
}