/* ============================================
   底部交互终端 - 三态布局
   状态1: 展开（默认）- 输出区+输入行
   状态2: 收起输出区（output-collapsed）- 只有输入行
   状态3: 收起至右（collapsed-right）- 窄条，可竖向拖动
   ============================================ */
#terminal-input {
  position: fixed;
  bottom: 0;
  right: 0;
  background: var(--terminal-bg);
  border: 1px dashed var(--terminal-border);
  font-family: var(--terminal-font);
  z-index: 2000;
  width: 400px;
  max-height: 480px;
  display: flex;
  flex-direction: column;
  transition: right 0.3s, bottom 0.3s;
  box-sizing: border-box;
  user-select: none;
}

@media (max-width: 480px) {
  #terminal-input {
    width: 100vw;
    right: 0;
    border-right: none;
  }
  #terminal-input.collapsed-right {
    width: 36px;
  }
}

/* ===== 顶部工具栏 ===== */
#terminal-header {
  display: flex;
  align-items: center;
  background: var(--terminal-bg);
  border-bottom: 1px dashed var(--terminal-border);
  flex-shrink: 0;
  height: 36px;
  cursor: grab;
}

#toggle-output-btn {
  background: transparent;
  border: none;
  color: var(--terminal-text);
  font-size: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

#toggle-output-btn:hover {
  background: var(--terminal-accent);
  color: var(--terminal-bg);
}

#collapse-right-btn {
  background: transparent;
  border: none;
  border-left: 1px dashed var(--terminal-border);
  color: var(--terminal-text);
  font-size: 14px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: auto;
}

#collapse-right-btn:hover {
  background: var(--terminal-accent);
  color: var(--terminal-bg);
}

#terminal-drag-handle {
  flex: 1;
  height: 100%;
  display: none;
  align-items: center;
  padding-left: 10px;
  color: var(--terminal-border);
  font-size: 11px;
  cursor: ns-resize;
  user-select: none;
}

#terminal-drag-handle::before {
  content: '⋮⋮';
  letter-spacing: 2px;
}

/* ===== 输出区 ===== */
#terminal-output {
  flex: 1;
  overflow-y: auto;
  padding: 10px 15px;
  min-height: 80px;
  font-size: 13px;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

/* ===== 输入行 ===== */
#terminal-input-row {
  display: flex;
  align-items: center;
  padding: 8px 15px;
  border-top: 1px dashed var(--terminal-border);
  flex-shrink: 0;
}

/* 输入行内的收起至右按钮 */
#terminal-input-row #collapse-right-btn {
  border-left: none;
  border-top: none;
  border-bottom: none;
  border-right: 1px dashed var(--terminal-border);
}

/* ===== 状态2: 收起输出区 ===== */
#terminal-input.output-collapsed #terminal-output {
  display: none;
}

#terminal-input.output-collapsed #toggle-output-btn {
  transform: rotate(180deg);
}

/* ===== 状态3: 收起至右 ===== */
#terminal-input.collapsed-right {
  width: 36px;
  height: 36px !important;
  max-height: 36px;
  min-height: 0;
  bottom: 0;
  top: auto;
  overflow: hidden;
  border: 1px dashed var(--terminal-border);
  border-right: none;
  border-bottom: none;
}

#terminal-input.collapsed-right #terminal-header {
  writing-mode: vertical-rl;
  text-orientation: upright;
  border-bottom: none;
  border-right: none;
  height: 100%;
  width: 100%;
  cursor: ns-resize;
  background: var(--terminal-bg);
}

/* 收起至右时，header里只显示拖动条+展开按钮 */
#terminal-input.collapsed-right #toggle-output-btn,
#terminal-input.collapsed-right #collapse-right-btn {
  display: none;
}

#terminal-input.collapsed-right #terminal-drag-handle {
  display: flex;
  width: 100%;
  height: 100%;
  writing-mode: vertical-rl;
  padding: 4px 0;
  font-size: 11px;
  align-items: center;
  justify-content: center;
}

#terminal-input.collapsed-right #terminal-output,
#terminal-input.collapsed-right #terminal-input-row {
  display: none;
}

/* ===== 路径提示符 ===== */
#terminal-input .terminal-prompt-label {
  color: var(--terminal-accent);
  margin-right: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}

/* ===== 输入框 ===== */
#terminal-input input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--terminal-text);
  font-family: var(--terminal-font);
  font-size: 14px;
  outline: none;
  caret-color: var(--terminal-accent);
  padding: 0;
}

#terminal-input input::placeholder {
  color: #555;
}

.terminal-collapse-btn:hover {
  background: var(--terminal-accent);
  color: var(--terminal-bg);
  border-color: var(--terminal-accent);
}

/* 命令行提示符 */
.terminal-prompt {
  color: var(--terminal-accent) !important;
  font-family: var(--terminal-font) !important;
  font-size: 14px !important;
  margin-bottom: 10px !important;
  padding: 10px 0;
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

.terminal-prompt::before {
  content: 'PS ' attr(data-path) '> ';
  color: var(--terminal-accent);
}

/* --- 这里是你要的光标 --- */
.terminal-prompt::after {
  content: '';
  display: inline-block;
  width: 5px;
  height: 1.2em;
  background-color: var(--terminal-accent); /* 跟着主题色走 */
  margin-left: 5px;
  vertical-align: middle;
  animation: terminal-cursor-blink 1s step-start infinite;
}

/* 闪烁动画定义 */
@keyframes terminal-cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 链接 */
a {
  color: var(--terminal-accent) !important;
  text-decoration: none !important;
}

a:hover {
  text-decoration: underline !important;
  color: var(--terminal-amber) !important;
}