/* ========================================
   MODAL CHANGELOG - NOUVEAUTÉS
   ======================================== */

/* Overlay */
#changelogOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

#changelogOverlay.visible {
  opacity: 1;
  pointer-events: all;
}

/* Boîte du modal */
.changelog-box {
  background: var(--bg-card, #1e2433);
  border: 1px solid var(--border-color, #2d3748);
  border-radius: 20px;
  padding: 0;
  max-width: 540px;
  width: 92%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  transform: scale(0.88) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

#changelogOverlay.visible .changelog-box {
  transform: scale(1) translateY(0);
}

/* En-tête */
.changelog-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 1.5rem 1.75rem 1.25rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
}

.changelog-header-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.changelog-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  width: fit-content;
  margin-bottom: 0.35rem;
}

.changelog-header h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.changelog-header p {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

/* Bouton fermer */
.changelog-close-btn {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: background 0.2s ease, transform 0.2s ease;
  margin-top: 2px;
}

.changelog-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

/* Corps scrollable */
.changelog-body {
  overflow-y: auto;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex: 1;
}

/* Scrollbar personnalisée */
.changelog-body::-webkit-scrollbar {
  width: 5px;
}
.changelog-body::-webkit-scrollbar-track {
  background: transparent;
}
.changelog-body::-webkit-scrollbar-thumb {
  background: var(--border-color, #2d3748);
  border-radius: 999px;
}

/* Entrée de changelog */
.changelog-entry {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.changelog-entry-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.changelog-entry-date {
  font-size: 0.75rem;
  color: var(--text-muted, #718096);
  background: var(--bg-secondary, #1a1f2e);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border-color, #2d3748);
  white-space: nowrap;
}

.changelog-entry-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary, #fff);
  margin: 0;
}

/* Liste des changements */
.changelog-changes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.changelog-changes-list li {
  font-size: 0.9rem;
  color: var(--text-secondary, #a0aec0);
  padding: 0.5rem 0.75rem;
  background: var(--bg-secondary, #1a1f2e);
  border-radius: 10px;
  border-left: 3px solid var(--accent-primary, #667eea);
  line-height: 1.4;
  transition: background 0.2s ease;
}

.changelog-changes-list li:hover {
  background: var(--bg-card-hover, #252d3f);
}

/* Séparateur entre entrées */
.changelog-entry + .changelog-entry {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color, #2d3748);
}

/* Pied du modal */
.changelog-footer {
  padding: 1rem 1.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--border-color, #2d3748);
  flex-shrink: 0;
  background: var(--bg-card, #1e2433);
}

.changelog-footer-hint {
  font-size: 0.78rem;
  color: var(--text-muted, #718096);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.changelog-dismiss-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.changelog-dismiss-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.changelog-dismiss-btn:active {
  transform: translateY(0);
}

/* Responsive mobile */
@media (max-width: 480px) {
  .changelog-box {
    width: 96%;
    max-height: 90vh;
    border-radius: 16px;
  }

  .changelog-header {
    padding: 1.25rem 1.25rem 1rem;
  }

  .changelog-body {
    padding: 1.25rem;
  }

  .changelog-footer {
    padding: 0.85rem 1.25rem 1rem;
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .changelog-dismiss-btn {
    text-align: center;
  }
}