/* ======== CHAT LAYOUT STYLES ======== */
#main-content {
  display: flex;
  width: 100%;
  min-height: 100vh;
  align-items: stretch;
  padding: 0;
  margin: 0;
  overflow: hidden;
  position: relative;
}

#chat-container {
  display: flex;
  flex: 1 1 100%;
  min-width: 400px;
  justify-content: center;
  transition: none;
  position: relative;
  z-index: 99999;
}

/* Copy controls in chat container */
.copy-controls-chat {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 8px;
  z-index: 1000;
}

.copy-controls-chat .copy-control-btn {
  padding: 8px 12px !important;
  background: var(--button-bg) !important;
  color: var(--button-text) !important;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background-color 0.2s ease;
  box-shadow: 0 2px 4px var(--shadow-color);
}

.copy-controls-chat .copy-control-btn:hover {
  background: var(--button-hover) !important;
}

.copy-controls-chat .copy-control-btn.dimmed {
  opacity: 0.4;
  cursor: default;
}

.copy-controls-chat .copy-control-btn.dimmed:hover {
  background: var(--button-bg) !important;
}

.copy-controls-chat .copy-control-btn i {
  font-size: 11px;
}

#chat {
  width: 70%;
  display: flex;
  flex-direction: column;
  height: 100vh;
  transition: none;
}

.file-viewer-active #main-content {
  gap: 0;
}

.file-viewer-active #chat-container {
  flex: 0 0 50%;
  min-width: 350px;
}

/* Adjust chat width when file viewer is active */
.file-viewer-active #chat {
  width: 85%;  /* Wider when file viewer is open since container is narrower */
}

/* Enable transitions only after initial state is set and not dragging */
.file-viewer-active #chat-container:not(.dragging) {
  transition: flex 0.3s ease;
}

.file-viewer-active #chat:not(.dragging) {
  transition: width 0.3s ease;
}

#chat-splitter {
  z-index: 100;
  flex-shrink: 0;
}

.file-viewer-active #chat-container.dragging,
.file-viewer-active #chat.dragging {
  transition: none;
  user-select: none;
}

#file-viewer {
  /* 50% less half the splitter width (8px/2 = 4px) */
  flex: 0 0 calc(50% - 4px);
  background: var(--bg-secondary);
  overflow: auto;
  min-width: 300px;
  display: none;
}

.file-viewer-active #chat-splitter,
.file-viewer-active #file-viewer {
  display: block;
}

.file-viewer-active #chat-splitter.dragging ~ #file-viewer {
  user-select: none;
  pointer-events: none;
}

.file-viewer-active #chat-splitter.dragging ~ #chat-container {
  user-select: none;
  pointer-events: none;
}

#chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}