/* Style global */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f0f4f8;
  color: #1e293b;
  margin: 0;
  padding: 0;
}

/* Header général */
.site-header {
  background-color: #ffffff;
  box-shadow: 0 3px 12px rgba(0,0,0,0.15);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

/* Logo */
.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #2563eb;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Navbar */
.navbar {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Boutons de navigation */
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 500;
  color: #ffffff;
  background-color: #2563eb;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  transition: background-color 0.3s, transform 0.2s, box-shadow 0.2s;
}

.nav-btn:hover {
  background-color: #1e40af;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

/* Bouton déconnexion distinct */
.nav-btn.logout {
  background-color: #ef4444;
}

.nav-btn.logout:hover {
  background-color: #b91c1c;
}

/* Bouton administrateur */
.adm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 500;
  color: #ffffff;
  background-color: #10b981; /* vert émeraude */
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  transition: background-color 0.3s, transform 0.2s, box-shadow 0.2s;
}

.adm-btn:hover {
  background-color: #047857; /* vert plus foncé au survol */
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

/* Boutons de navigation */
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 500;
  color: #ffffff;
  background-color: #2563eb;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  transition: background-color 0.3s, transform 0.2s, box-shadow 0.2s;
}

.nav-btn:hover {
  background-color: #1e40af;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

/* Bouton déconnexion distinct */
.nav-btn.logout {
  background-color: #ef4444;
}

.nav-btn.logout:hover {
  background-color: #b91c1c;
}

.home-btn {
  /* Héritage des styles nav-btn */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 500;
  color: #ffffff;
  background-color: #f59e0b; /* orange clair */
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  transition: background-color 0.3s, transform 0.2s, box-shadow 0.2s;
}

/* Hover spécifique Accueil */
.home-btn:hover {
  background-color: #b45309; /* orange plus foncé */
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

/* Conteneur principal (dashboard, pages) */
.main-app {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 2rem;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  text-align: center;
}

h1, h2 {
  color: #0f172a;
  margin-bottom: 1rem;
}

ul {
  list-style: none;
  padding: 0;
}

ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #e2e8f0;
}

/* Boutons standards */
button {
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #1e293b;
  padding: 0.4rem 0.8rem;
  transition: background 0.2s;
}

button:hover {
  background: #e2e8f0;
}

input, select {
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
}

/* Dashboard spécifique */
.dashboard-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.dash-btn {
  display: block;
  padding: 0.8rem 1.5rem;
  background-color: #2563eb;
  color: #ffffff;
  font-weight: 500;
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.3s, transform 0.2s;
}

.dash-btn:hover {
  background-color: #1e40af;
  transform: translateY(-2px);
}

.dashadm-btn {
  display: block;
  padding: 0.8rem 1.5rem;
  background-color: #10b981;
  color: #ffffff;
  font-weight: 500;
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.3s, transform 0.2s;
}

.dashadm-btn:hover {
  background-color: #047857;
  transform: translateY(-2px);
}

.dash-btn.logout {
  background-color: #ef4444;
}

.dash-btn.logout:hover {
  background-color: #b91c1c;
}

/* Séparateur optionnel */
hr {
  margin: 0;
  border: none;
  border-top: 1px solid #e2e8f0;
}

.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.file-card {
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1rem;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
}

.file-name {
  font-weight: bold;
  margin-bottom: 0.5rem;
  word-break: break-word;
}

.file-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.btn {
  padding: 0.3rem 0.6rem;
  background: #2563eb;
  color: white;
  text-decoration: none;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  text-align: center;
}

.btn:hover {
  background: #1e40af;
}

.file-type {
  font-size: 0.75rem;
  color: #475569;
  text-align: right;
}