/* Base */
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #f9fafb;
  color: #1f2937;
}

.dark body {
  background-color: #0f172a;
  color: #e2e8f0;
}

/* Container */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Header */
header {
  background: #1e293b;
  color: white;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

header a:hover {
  text-decoration: underline;
}

header img {
  height: 40px;
  width: auto;
}

/* Titres */
h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #2563eb;
}

.dark h2 {
  color: #60a5fa;
}

/* Liens */
a {
  color: #2563eb;
  text-decoration: underline;
}

a:hover {
  color: #1d4ed8;
}