/* === Styles communs === */
body {
  margin: 0;
  padding: 0;
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #ffffff, #ff0000, #008000);
  background-size: 400% 400%;
  animation: gradientShift 8s ease infinite;
  color: white;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container {
  background: rgba(0, 0, 0, 0.5);
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  padding: 25px;
  max-width: 420px;
  width: 90%;
  text-align: center;
}

/* === Titres et paragraphes === */
h1, h2, h3 {
  color: #fff;
  text-shadow: 1px 1px 5px rgba(0,0,0,0.5);
}

p {
  color: #fff;
  margin: 10px 0;
}

/* === Boutons === */
button, .btn {
  background: #ff0000; /* rouge */
  color: white;
  border: none;
  border-radius: 30px;
  padding: 12px 20px;
  font-size: 1em;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
}

button:hover, .btn:hover {
  background: #008000; /* vert */
  transform: scale(1.05);
}

.btn-back {
  margin-top: 15px;
  background: transparent;
  border: 2px solid white;
  color: white;
  border-radius: 20px;
}

.btn-back:hover {
  background: white;
  color: #008000;
}

/* === Champs des formulaires === */
input {
  padding: 12px;
  border-radius: 10px;
  border: 2px solid #ff0000;
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  font-size: 1em;
  outline: none;
  transition: 0.3s;
}

input:focus {
  border-color: #008000;
  box-shadow: 0 0 6px #00cc66;
}

/* === Page d’accueil === */
.home .container {
  text-align: center;
  padding: 20px;
  max-width: 400px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 20px;
}

.logo img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 10px;
}

.logo h1 {
  font-size: 2em;
  margin: 0;
  color: white;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}

.description {
  margin: 15px 0 25px;
  font-size: 1.1em;
  line-height: 1.4;
}

/* === Bouton d'accueil === */
.btn-continue {
  background: white;
  color: #ff0000;
  font-weight: bold;
  border: none;
  border-radius: 30px;
  padding: 12px 25px;
  font-size: 1.1em;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-continue:hover {
  background: #008000;
  color: white;
  transform: scale(1.05);
}

/* === Page Étudiants === */
.etudiants-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 15px;
}

.etudiant-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.etudiant-num {
  font-weight: bold;
  color: #ffffff;
  width: 25px;
  text-align: right;
}

.etudiant-row input {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 2px solid #ff0000;
  outline: none;
  font-size: 1em;
  background: rgba(255, 255, 255, 0.95);
}

.etudiant-row input:focus {
  border-color: #00cc66;
}

/* 🔹 Bouton confirmer séparé */
#formEtudiants .btn {
  margin-top: 25px;
  background: white;
  color: #ff0000;
  border-radius: 25px;
}

#formEtudiants .btn:hover {
  background: #008000;
  color: white;
}

/* ✅ Message de confirmation */
.message-confirmation {
  background: #00cc66;
  color: white;
  font-weight: bold;
  text-align: center;
  padding: 15px;
  border-radius: 10px;
  margin-top: 20px;
  font-size: 1.1em;
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* === Responsive === */
@media (max-width: 600px) {
  .container { padding: 20px; }
  .logo img { width: 80px; height: 80px; }
  h1 { font-size: 1.6em; }
  input, button { font-size: 0.9em; }
}

/* === FORMULAIRES === */
form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

input {
  padding: 12px;
  border-radius: 10px;
  border: 2px solid #ff0000;
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  font-size: 1em;
  outline: none;
}

input::placeholder {
  color: #555;
  opacity: 0.8;
}

input:focus {
  border-color: #00cc66;
  box-shadow: 0 0 6px #00cc66;
}

.buttons {
  display: flex;
  flex-direction: column;
  gap: 20px; /* espace entre les boutons (au lieu de 10px) */
  margin-top: 30px; /* espace au-dessus de la liste */
}
/* === PAGE D'ACCUEIL (ARABE + LOGO ROND) === */
.home .container {
  background: rgba(0, 0, 0, 0.55);
  border-radius: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  padding: 40px 30px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  color: white;
  animation: fadeIn 1.5s ease-in-out;
}

.logo img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%; /* rend le logo parfaitement rond */
  border: 4px solid white;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
  margin-bottom: 15px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo img:hover {
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(0, 255, 100, 0.6);
}

.logo h1 {
  font-size: 1.6em;
  color: #fff;
  margin-bottom: 15px;
  text-shadow: 1px 1px 8px rgba(0, 0, 0, 0.5);
}

.description {
  font-size: 1.1em;
  margin-bottom: 25px;
  color: #f8f8f8;
}

.btn-continue {
  background: white;
  color: #ff0000;
  border: none;
  border-radius: 25px;
  padding: 12px 30px;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-continue:hover {
  background: #008000;
  color: white;
  transform: scale(1.05);
}
/* === Ajustement de l’espacement du bouton de déconnexion === */
.btn-logout {
  margin-top: 40px; /* 🔹 espace supplémentaire sous les boutons de cycle */
}
/* === Ajustement de la page de connexion === */
.container {
  padding-top: 50px; /* 🔹 espace au-dessus du contenu */
}

.logo {
  margin-bottom: 30px; /* 🔹 espace entre le logo et le formulaire */
}

.logo img {
  width: 130px;
  height: 130px;
  display: block;
  margin: 0 auto 10px auto; /* centré + espace en bas */
}

.logo h1 {
  margin: 0;
  font-size: 1.5em;
}
body.etudiants {
  align-items: flex-start;
  overflow-y: auto;
  padding-top: 40px;
}

body.home {
  align-items: center;
}