/* ── Modal Overlays ── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 550px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  transform: scale(0.95);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-content.large {
  max-width: 800px;
}

.modal-content.small {
  max-width: 400px;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted-foreground);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  color: var(--foreground);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: rgba(0,0,0,0.01);
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
}

/* Chat-specific overlay details */
.chat-messages-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 350px;
  overflow-y: auto;
  padding: 1rem;
  background-color: rgba(0,0,0,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.chat-bubble {
  max-width: 75%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  line-height: 1.5;
}

.chat-bubble.sent {
  align-self: flex-end;
  background-color: var(--primary);
  color: var(--primary-foreground);
  border-bottom-right-radius: 2px;
}

.chat-bubble.received {
  align-self: flex-start;
  background-color: var(--card);
  color: var(--foreground);
  border: 1px solid var(--border);
  border-bottom-left-radius: 2px;
}
.chat-meta {
  font-size: 0.65rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
  text-align: right;
}
.chat-bubble.received .chat-meta {
  text-align: left;
}