* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1rem;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f4f6f8;
  color: #222;
}

.container {
  width: 100%;
  max-width: 620px;
  padding: 2rem;
  text-align: center;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

h1 {
  margin-bottom: 0.5rem;
  font-size: 2rem;
}

.subtitle {
  margin-bottom: 1.75rem;
  color: #555;
  line-height: 1.5;
}

/* FILTRES */

.filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.filter-group {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.4rem;
}

.filter-group label {
  font-weight: 600;
}

.filter-group select {
  width: 100%;
  padding: 0.65rem;
  font: inherit;
  color: #333;
  background-color: #fff;
  border: 1px solid #cbd2dc;
  border-radius: 6px;
  cursor: pointer;
}

/* IDÉE GÉNÉRÉE */

.idea-box {
  width: 100%;
  min-height: 100px;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background-color: #eef2f7;
  border-radius: 8px;
}

#idea {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  color: #222;
}

#idea-details {
  width: 100%;
  margin-top: 1rem;
}

#idea-details[hidden] {
  display: none;
}

.idea-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.idea-meta span {
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #3b5bdb;
  background-color: #fff;
  border-radius: 20px;
}

#idea-description {
  margin-bottom: 1.25rem;
  line-height: 1.5;
  color: #444;
}

.idea-skills {
  text-align: left;
}

.idea-skills h2 {
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.idea-skills ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  list-style: none;
}

.idea-skills li {
  padding: 0.4rem 0.65rem;
  font-size: 0.85rem;
  background-color: #fff;
  border: 1px solid #d8dee8;
  border-radius: 6px;
}

/* BOUTONS */

button {
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  color: #fff;
  background-color: #4a6cf7;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background-color: #3b5bdb;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

button:focus-visible,
select:focus-visible {
  outline: 3px solid #9aabff;
  outline-offset: 2px;
}

/* FAVORIS */

#favorite-btn {
  margin-top: 1.25rem;
  color: #3b5bdb;
  background-color: #fff;
  border: 1px solid #4a6cf7;
}

#favorite-btn:hover {
  background-color: #e8edff;
}

.favorites {
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: left;
  border-top: 1px solid #d8dee8;
}

.favorites h2 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

#favorites-empty {
  color: #666;
  font-size: 0.95rem;
}

#favorites-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
}

.favorite-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background-color: #f4f6f8;
  border-radius: 6px;
}

.favorite-item span {
  line-height: 1.4;
}

.remove-favorite-btn {
  flex-shrink: 0;
  padding: 0.45rem 0.7rem;
  font-size: 0.85rem;
  color: #555;
  background-color: #fff;
  border: 1px solid #cbd2dc;
}

.remove-favorite-btn:hover {
  color: #222;
  background-color: #e7eaf0;
}

/* RESPONSIVE */

@media (max-width: 600px) {
  body {
    align-items: flex-start;
    padding: 1rem;
  }

  .container {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  .filters {
    flex-direction: column;
  }

  .idea-box {
    padding: 1.25rem;
  }

  button {
    width: 100%;
  }

  .favorite-item {
    align-items: flex-start;
    flex-direction: column;
  }

  .remove-favorite-btn {
    width: auto;
  }
}