frontend/styles.css

/* Réinitialisation de base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Corps de la page */
body {
  background-color: #f7fafc;
  font-family: Arial, sans-serif;
  min-height: 100vh;
}

/* Conteneur principal */
.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Titre principal */
h1 {
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  color: #2d3748;
  margin-bottom: 1rem;
}

/* Sous-titre */
.subtitle {
  text-align: center;
  color: #718096;
  margin-bottom: 2rem;
}

/* Conteneur des onglets */
.tab-container {
  background-color: #fff;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

/* Navigation des onglets */
.tab-nav {
  display: flex;
  border-bottom: 1px solid #e2e8f0;
  position: relative;
}

.tab-nav .tab-btn {
  flex: 1;
  padding: 1rem;
  background-color: #f7fafc;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-align: center;
  font-size: 1rem;
}

.tab-nav .tab-btn:hover {
  background-color: #edf2f7;
  transform: scale(1.05);
}

.tab-nav .tab-btn.active {
  background-color: #edf2f7;
  font-weight: bold;
}

/* Effet de soulignement dynamique sur les onglets */
.tab-nav .tab-btn {
  position: relative;
}

.tab-nav .tab-btn::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background-color: #4299e1;
  transition: width 0.3s ease, left 0.3s ease;
}

.tab-nav .tab-btn:hover::after,
.tab-nav .tab-btn.active::after {
  width: 100%;
  left: 0;
}

/* Contenu des onglets */
.tab-content-wrapper {
  padding: 1.5rem;
}

.tab-content {
  margin-bottom: 1rem;
}

/* Masquer les éléments */
.hidden {
  display: none;
}

/* Styles des formulaires */
.form {
  margin-bottom: 1rem;
}

.form input[type="text"],
.form textarea,
.form select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #cbd5e0;
  border-radius: 0.25rem;
  font-size: 1rem;
}

.textarea {
  resize: vertical;
  min-height: 80px;
}

/* Input type file caché */
.hidden-file {
  display: none;
}

/* Label pour le chargement de fichier */
.file-upload {
  display: block;
  width: 100%;
  padding: 1rem;
  border: 2px dashed #cbd5e0;
  border-radius: 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-bottom: 1rem;
}

.file-upload:hover {
  background-color: #f7fafc;
}

/* Affichage du nom du fichier */
.filename-display {
  text-align: center;
  color: #718096;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Boutons */
.btn {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 0.25rem;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Boutons de couleur */
.btn-blue {
  background-color: #4299e1;
}

.btn-blue:hover {
  background-color: #3182ce;
}

.btn-green {
  background-color: #48bb78;
}

.btn-green:hover {
  background-color: #38a169;
}

.btn-purple {
  background-color: #9f7aea;
}

.btn-purple:hover {
  background-color: #805ad5;
}

.btn-indigo {
  background-color: #667eea;
}

.btn-indigo:hover {
  background-color: #5a67d8;
}

.btn-pink {
  background-color: #ed64a6;
}

.btn-pink:hover {
  background-color: #d53f8c;
}

/* Boîte de résultat */
.result-box {
  margin-top: 1rem;
  padding: 1rem;
  background-color: #f7fafc;
  border-radius: 0.25rem;
  min-height: 100px;
}

/* Placeholder dans la boîte de résultat */
.result-box .placeholder {
  color: #a0aec0;
  font-style: italic;
}

/* Sélecteur de formulaire */
.select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #cbd5e0;
  border-radius: 0.25rem;
}

/* Styles pour les messages d'erreur et d'information */
.error {
  color: #e53e3e;
  font-weight: bold;
  margin: 0;
}

.info {
  color: #3182ce;
  font-style: italic;
  margin: 0;
}

.small {
  font-size: 0.875rem;
  color: #718096;
  margin-top: 0.5rem;
}

/* Style pour les images dans les visualisations */
.result-box img {
  max-width: 100%;
  height: auto;
  margin-top: 1rem;
  border-radius: 0.25rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Navbar avec animation d'apparition */
nav {
  filter: drop-shadow(0.25rem 0.25rem 0.25rem rgba(0, 0, 0, 0.3));
  width: 100%;
  max-width: 14rem;
  opacity: 0;
  transform: translateY(-20px);
  animation: fadeInDown 0.5s ease-out forwards;
}

/* Animation keyframes pour la navbar */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Préférence de réduction des animations */
@media (prefers-reduced-motion: reduce) {
  nav * {
    transition: 5s !important;
    animation: 10ms !important;
  }
}

/* Responsivité pour petits écrans */
@media (max-width: 768px) {
  .tab-nav {
    flex-direction: column;
  }

  .tab-nav .tab-btn {
    padding: 0.75rem;
    font-size: 0.875rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .container {
    padding: 1rem;
  }
}