:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-color: #38bdf8;
  --accent-hover: #0284c7;
  --border-color: #334155;
  --modal-bg: #1e293b;
  --variant-badge-bg: #0f172a;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.site-header {
  background: #1e293b;
  border-bottom: 1px solid var(--border-color);
  padding: 30px 0;
  text-align: center;
}

.site-header h1 {
  margin: 0;
  color: var(--accent-color);
  font-size: 2.2rem;
}

.subtitle {
  color: var(--text-muted);
  margin-top: 5px;
}

.producer-banner {
  margin-top: 15px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #0f172a;
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: border-color 0.2s;
}

.producer-banner:hover {
  border-color: var(--accent-color);
}

.btn-producer {
  background: var(--accent-color);
  color: #0f172a;
  border: none;
  padding: 4px 12px;
  border-radius: 12px;
  font-weight: bold;
  cursor: pointer;
}

.tree-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.node-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.node-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
}

.node-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}

.node-title {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--accent-color);
}

.node-period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.node-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.node-summary {
  font-size: 0.92rem;
  color: var(--text-main);
}

/* Modale */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

.sub-modal {
  z-index: 1100;
}

.modal-content {
  background-color: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px;
  width: 90%;
  max-width: 650px;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.close-btn {
  position: absolute;
  right: 20px;
  top: 15px;
  font-size: 28px;
  font-weight: bold;
  color: var(--text-muted);
  cursor: pointer;
}

.close-btn:hover {
  color: var(--text-main);
}

.movement-img {
  width: 100%;
  max-height: 380px;         /* Limita l'altezza massima per non occupare tutto lo schermo */
  object-fit: contain;       /* MOSTRA L'IMMAGINE INTERA senza tagliarla né sgranarla */
  background-color: #0d131d; /* Sfondo scuro elegante per riempire eventuali bande laterali */
  border-radius: 8px;
  margin: 15px 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: block;
}

/* Varianti Badges */
.variants-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.variant-card-btn {
  background: var(--variant-badge-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--accent-color);
  cursor: pointer;
  font-weight: bold;
  font-size: 0.9rem;
  transition: background 0.2s, border-color 0.2s;
}

.variant-card-btn:hover {
  border-color: var(--accent-color);
  background: #1e293b;
}

.producer-link {
  color: var(--accent-color);
  text-decoration: underline;
  cursor: pointer;
}