* {
  box-sizing: border-box;
}

h1 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
  color: #333;
}

.subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: #555;
  margin-bottom: 2rem;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9f9f9;
  margin: 0 auto;
  max-width: 800px;
  padding: 1rem;
}

form {
  margin-bottom: 1em;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

input[type="text"], button {
    width: 100%;
    font-size: 1.2rem;
    padding: 12px;
    margin-bottom: 1rem;
}

.card {
  background-color: white;
  border-radius: 10px;
  padding: 1em;
  margin-bottom: 1em;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  font-size: 1.1rem;
  line-height: 1.5;
}

.fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1em;
  margin-bottom: 0.5em;
}

.card-body p {
  margin: 0.3em 0;
}

.badge {
  background-color: #28a745;
  color: white;
  font-size: 0.8em;
  padding: 0.2em 0.5em;
  border-radius: 5px;
}

.section-separator {
  background-color: #f0f0f0;
  padding: 1em;
  margin: 2em 0 1em 0;
  border-left: 4px solid #999;
  font-style: italic;
  color: #333;
}

.low-score {
  background-color: #eeeeee;
  color: #777;
  box-shadow: none;
}

.feedback-form {
  border: 1px solid #ddd;
  background-color: #fdfdfd;
  padding: 0.8em;
  margin-top: 2em;
  margin-bottom: 2em;
  border-radius: 6px;
  font-size: 0.95rem;
  color: #444;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: none;
}

.feedback-form textarea {
  display: block;
  width: 100%;
  box-sizing: border-box;
  font-size: 1rem;
  padding: 1em;
  min-height: 120px;
  margin-bottom: 1rem;
  resize: vertical;
}

.feedback-form button {
  margin-right: 1em;
  padding: 0.75em 1.25em;
  font-size: 1rem;
}

.feedback-form p strong {
  font-weight: normal;
  font-size: 1rem;
  color: #666;
}

.result-item {
    font-size: 1.1rem;
    padding: 1rem;
    border-bottom: 1px solid #ccc;
}

#resultats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-name {
  font-size: 1.2rem;
  font-weight: bold;
  color: #222;
}

.valeur-carbone {
  font-size: 1.5rem;
  font-weight: bold;
  color: #006400;
  margin-top: 0.5rem;
  display: block;
}

.toggle-details {
  background-color: transparent;
  border: none;
  color: #0077cc;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  cursor: pointer;
  padding: 0;
}

.details {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #555;
}

.variants details summary {
    cursor: pointer;
    padding: 0.2em;
    margin-top: 0.5em;
    font-size: 1em;
    color: #333;
    background-color: #f9f9f9;
    border-left: 4px solid #ddd;
}
.variants {
    margin-top: 0.5em;
    background-color: #fefefe;
    padding: 0.5em;
    border-radius: 6px;
}

/* Conteneur pliable des variantes */
.variant-toggle details {
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 0.5em;
  margin-top: 0.75em;
}

.variant-toggle summary {
  font-weight: bold;
  font-size: 0.95em;
  color: #444;
  cursor: pointer;
  list-style: none;
}

.variant-toggle summary::-webkit-details-marker {
  display: none;
}

/* Bloc de chaque variante */
.variant {
  margin-top: 0.5em;
  padding: 0.5em;
  border-left: 3px solid #ccc;
  background-color: #fff;
  border-radius: 4px;
}

/* Texte des variantes */
.variant p {
  margin: 0.2em 0;
  font-size: 0.95em;
  color: #333;
}

/* Petit italique pour commentaire */
.variant p i {
  font-size: 0.85em;
  color: #666;
}

.infos {
  font-size: 0.9rem;
  color: #555;
  margin-top: 1em;
  text-align: center;
}