/* ==========================================================================
   7. Modals & Lightbox Styles
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 14, 23, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 850px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 18px;
  color: var(--text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  background: var(--danger-red-soft);
  color: var(--danger-red);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-bubble {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  line-height: 1.6;
  max-width: 88%;
}

.chat-bubble-user {
  align-self: flex-start;
  background: var(--brand-teal-soft);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-top-right-radius: 2px;
}

.chat-bubble-ai {
  align-self: flex-end;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-top-left-radius: 2px;
}

/* Lightbox for Charts */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 95vw;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}