/* ═══════════════════════════════════════════════════════════
   CONNECTIONS DISPLAY - Phase 2 Styles
   Beautiful panels for Talmud, Midrash, cross-references
   ═══════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────
   CONNECTIONS GRID
   ───────────────────────────────────────────── */
.connections-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

@media (min-width: 1200px) {
  .connections-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ─────────────────────────────────────────────
   CONNECTION PANELS
   ───────────────────────────────────────────── */
.connection-panel {
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.connection-panel:hover {
  border-color: var(--border-gold);
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.2);
}

.connection-panel.expanded {
  border-color: var(--border-gold);
}

/* Specific panel colors */
.gemara-panel.expanded {
  border-color: rgba(212, 175, 55, 0.6);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), var(--bg-card));
}

.midrash-panel.expanded {
  border-color: rgba(91, 75, 138, 0.6);
  background: linear-gradient(135deg, rgba(91, 75, 138, 0.05), var(--bg-card));
}

.mishnah-panel.expanded {
  border-color: rgba(43, 76, 126, 0.6);
  background: linear-gradient(135deg, rgba(43, 76, 126, 0.05), var(--bg-card));
}

/* ─────────────────────────────────────────────
   PANEL HEADER
   ───────────────────────────────────────────── */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.panel-header:hover {
  background: rgba(212, 175, 55, 0.05);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.panel-icon {
  font-size: 1.75rem;
}

.panel-title h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--warm-gold);
  margin: 0;
  font-weight: 700;
}

.panel-count {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(212, 175, 55, 0.15);
  color: var(--soft-gold);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
}

.panel-toggle {
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--warm-gold);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-toggle:hover {
  background: rgba(212, 175, 55, 0.2);
  transform: scale(1.1);
}

/* ─────────────────────────────────────────────
   PANEL CONTENT
   ───────────────────────────────────────────── */
.panel-content {
  padding: 2rem;
}

.panel-intro {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  font-style: italic;
  line-height: 1.6;
}

.connections-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.connections-list-compact {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

/* ─────────────────────────────────────────────
   CONNECTION ITEMS
   ───────────────────────────────────────────── */
.connection-item {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--border-gold);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.connection-item:hover {
  background: rgba(212, 175, 55, 0.08);
  border-left-color: var(--warm-gold);
  transform: translateX(5px);
}

.connection-item-compact {
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.connection-ref {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.ref-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.ref-link {
  font-family: var(--font-serif);
  color: var(--warm-gold);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: color var(--transition-fast);
}

.ref-link:hover {
  color: var(--soft-gold);
  text-decoration: underline;
}

.connection-preview {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

.more-refs {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
  text-align: center;
}

/* ─────────────────────────────────────────────
   EMPTY/ERROR STATES
   ───────────────────────────────────────────── */
.connections-empty,
.connections-error,
.connections-loading {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.connections-empty h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--warm-gold);
  margin-bottom: 1rem;
}

.connections-empty p,
.connections-error p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

.connections-loading {
  border-style: solid;
  border-color: var(--border-gold);
}

.connections-loading p {
  color: var(--text-secondary);
  margin: 1rem 0 0 0;
}

/* ─────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .panel-header {
    padding: 1rem 1.5rem;
  }

  .panel-content {
    padding: 1.5rem;
  }

  .panel-title h3 {
    font-size: 1.25rem;
  }

  .panel-icon {
    font-size: 1.5rem;
  }

  .connections-list-compact {
    grid-template-columns: 1fr;
  }
}

/* ─────────────────────────────────────────────
   ANIMATIONS
   ───────────────────────────────────────────── */
@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 2000px;
  }
}

.panel-content[style*="display: block"] {
  animation: slideDown 0.3s ease-out;
}