/* IMPORTANT : html et body doivent avoir 100% de hauteur */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

/* Body en flex colonne, prend toute la hauteur */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: #0a0f24;
  color: #e0e0e0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* main prend tout l'espace disponible */
main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem 1rem;
  text-align: center;
}

/* Header */
header {
  background-color: #121b40;
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 255, 150, 0.2);
}

header nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

header nav ul li a {
  color: #00ff88;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: color 0.3s ease;
}

header nav ul li a:hover {
  color: #ffffff;
}

/* Section Accueil */
section#accueil img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 15px #00ff88;
  margin-bottom: 1.5rem;
  border: 3px solid #00ff88;
}

section#accueil h1 {
  font-size: 2rem;
  color: #00ff88;
  margin: 0;
}

/* Footer */
footer {
  background-color: #121b40;
  text-align: center;
  padding: 1rem 0;
  font-size: 0.9rem;
  color: #7bd39f;
  box-shadow: inset 0 1px 5px rgba(0, 255, 136, 0.15);
}
#terminal {
  background-color: #001f1f;
  border-radius: 8px;
  padding: 1rem;
  width: 600px;
  max-width: 90vw;
  margin: 2rem auto;
  font-family: 'Courier New', Courier, monospace;
  color: #00ff88;
  box-shadow: 0 0 15px #00ff88;
}

#terminal .prompt {
  color: #00ffaa;
  font-weight: bold;
}