/* ============================================================
   聊天区域
   ============================================================ */

#chatHeader {
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-base);
  background: var(--color-bg-primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
  z-index: 5;
}
#characterInfo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
}
#characterInfo img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--color-border);
  border: 2px solid var(--color-primary-light);
  box-shadow: 0 0 0 2px var(--color-bg-primary);
}
#characterInfo h2 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}
#characterInfo p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
.header-actions {
  display: flex;
  gap: var(--spacing-xs);
}

#chatMessages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
  background: var(--color-bg-secondary);
  transition: background var(--transition-base);
}
.message {
  display: flex;
  gap: var(--spacing-md);
  max-width: 80%;
  animation: messageIn 0.3s ease both;
}
@keyframes messageIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.message.assistant {
  align-self: flex-start;
}
.message .avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  background: var(--color-border);
  object-fit: cover;
  border: 1px solid var(--color-border-light);
}
.message .bubble {
  background: var(--color-bg-primary);
  padding: var(--spacing-sm) var(--spacing-base);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  word-wrap: break-word;
  max-width: 100%;
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-fast);
}
.message .bubble:hover {
  box-shadow: var(--shadow-md);
}
.message.user .bubble {
  background: var(--color-primary-gradient);
  color: #fff;
  border-bottom-right-radius: var(--radius-xs);
  border-color: var(--color-primary);
}
.message.assistant .bubble {
  border-bottom-left-radius: var(--radius-xs);
  background: var(--color-bg-primary);
}
.message .bubble p {
  margin-bottom: var(--spacing-xs);
}
.message .bubble p:last-child {
  margin-bottom: 0;
}
.message .timestamp {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
  text-align: right;
  opacity: 0.8;
}
.message.user .timestamp {
  color: rgba(255, 255, 255, 0.7);
}

#chatInput {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-primary);
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-end;
  flex-shrink: 0;
}
#messageInput {
  flex: 1;
  border-radius: var(--radius-lg);
  padding: 0.4rem 0.8rem;
  min-height: 36px;
  max-height: 120px;
  background: var(--color-bg-secondary);
  border: 1.5px solid var(--color-border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  resize: none;
  overflow-y: auto;
  line-height: 1.1;
}
#messageInput:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

/* 输入框包裹层（app.js 注入语音按钮时创建，内含 textarea 与麦克风按钮）：
   默认 display:contents —— 包裹层自身不产生盒子，布局与按钮直连 #chatInput
   完全一致；移动端（见下方媒体查询）转为定位基准层，把麦克风框进输入框内。 */
#chatInput .input-wrap {
  display: contents;
}

/* 移动端（全主题统一，微信手机版样式）：语音按钮框进输入框内右端 */
@media (max-width: 768px) {
  #chatInput .input-wrap {
    display: flex;
    position: relative;
    flex: 1;
    min-width: 0;
  }
  /* 右侧留出语音按钮的宽度，文字不压在图标下 */
  #chatInput .input-wrap #messageInput {
    padding-right: 42px;
    /* 默认一行高（textarea 的 rows="2" 会撑出两行，移动端不需要）。
       与 min-height 取齐，避免初次渲染与聚焦后（autoResize 写入 inline
       height）出现跳动；多行输入仍会由 autoResize 自动增高到 max-height。 */
    height: 36px;
  }
  #chatInput .mic-btn {
    position: absolute !important;
    right: 6px !important;
    left: auto !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 30px !important;
    height: 30px !important;
    margin: 0 !important;
    border: none !important;
    background: transparent !important;
    color: var(--color-text-muted) !important;
    font-size: 16px !important;
    z-index: 2;
  }
}
.send-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--color-primary) 30%, transparent);
}
.send-btn:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--color-primary) 40%, transparent);
}
.send-btn:active:not(:disabled) {
  transform: scale(0.92);
}
.send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}
.send-btn i {
  font-size: 1.2rem;
}

/* ---------- 隐藏移动端汉堡菜单（默认） ---------- */
#mobileMenuToggle {
  display: none;
}

/* ===== 消息上下文菜单 ===== */
.message-context-menu {
  position: fixed;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  padding: 0.25rem 0;
  min-width: 160px;
  max-height: 60vh;
  overflow-y: auto;
  animation: menuFadeIn 0.15s ease;
}
.message-context-menu button {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 0.9rem;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background 0.15s;
}
.message-context-menu button:hover {
  background: var(--color-bg-secondary);
}
.message-context-menu button:first-child {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.message-context-menu button:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
@keyframes menuFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

/* ===== 推荐回复容器 ===== */
.suggestions-container {
  padding: 0.5rem 1rem;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  margin: 0 0.5rem 0.5rem 0.5rem;
  animation: slideUp 0.2s ease;
}
.suggestions-title {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}
.suggestions-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.suggestion-btn {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--color-text-primary);
}
.suggestion-btn:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.suggestion-btn:active {
  transform: scale(0.96);
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   控制台消息（Utopia Console）
   ============================================================ */
.message.console {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  max-width: 85%;
  align-self: center;
  margin: 0.3rem 0;
  opacity: 0.9;
}

.message.console .console-icon {
  font-size: 1.2rem;
  line-height: 1.4;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.message.console .console-bubble {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.8rem;
  box-shadow: var(--shadow-xs);
  max-width: 100%;
  min-width: 120px;
  word-break: break-word;
  overflow-wrap: break-word;
}

.message.console .console-header {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 0.1rem;
  margin-bottom: 0.2rem;
}

.message.console .console-content {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  font-family: monospace;
  font-size: 0.85rem;
}

.message.console .console-line {
  padding: 0.05rem 0;
}

.message.console.console-success .console-bubble {
  border-left-color: var(--color-secondary);
}
.message.console.console-error .console-bubble {
  border-left-color: var(--color-danger);
}
.message.console.console-warning .console-bubble {
  border-left-color: var(--color-warning);
}

/* ============================================================
   移动端适配 - 控制台消息
   ============================================================ */
@media (max-width: 768px) {
  .message.console {
    max-width: 92%;
  }
  .message.console .console-bubble {
    padding: 0.3rem 0.6rem;
    min-width: 80px;
  }
  .message.console .console-content {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .message.console {
    max-width: 96%;
  }
  .message.console .console-bubble {
    padding: 0.2rem 0.4rem;
    min-width: 60px;
  }
  .message.console .console-content {
    font-size: 0.7rem;
  }
}

/* ============================================================
   代码块与行内代码
   ============================================================ */

.code-block {
  margin: 0.5rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  font-size: 0.85rem;
}

.code-block .code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0.6rem;
  background: var(--color-bg-sidebar);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.72rem;
}

.code-block .code-lang {
  color: var(--color-text-muted);
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.code-block .code-copy-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 0.8rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.code-block .code-copy-btn:hover {
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.code-block .code-copy-btn.copied {
  color: var(--color-secondary);
}

.code-block .code-copy-btn.copy-failed {
  color: var(--color-danger);
}

.code-block pre {
  margin: 0;
  padding: 0.75rem 0.9rem;
  overflow-x: auto;
  background: var(--color-bg-secondary);
  font-size: 0.85rem;
  line-height: 1.55;
  border-radius: 0;
}

.code-block pre code {
  background: transparent;
  padding: 0;
  border: none;
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  color: var(--color-text-primary);
  white-space: pre;
}

.inline-code {
  background: var(--color-bg-secondary);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-xs);
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  font-size: 0.88em;
  color: var(--color-primary);
  border: 1px solid var(--color-border-light);
}

/* ---------- 用户消息（气泡背景为深色）的适配 ---------- */
.message.user .bubble .code-block {
  background: rgba(0, 0, 0, 0.18);
  border-color: rgba(255, 255, 255, 0.15);
}

.message.user .bubble .code-block .code-header {
  background: rgba(0, 0, 0, 0.25);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.message.user .bubble .code-block .code-lang,
.message.user .bubble .code-copy-btn {
  color: rgba(255, 255, 255, 0.7);
}

.message.user .bubble .code-copy-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.message.user .bubble .code-block pre {
  background: transparent;
}

.message.user .bubble .code-block pre code {
  color: #fff;
}

.message.user .bubble .inline-code {
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.15);
}

/* ---------- 群聊消息的适配 ---------- */
.group-message-bubble .code-block {
  margin: 0.4rem 0;
}

.group-message.own .group-message-bubble .code-block {
  background: rgba(0, 0, 0, 0.18);
  border-color: rgba(255, 255, 255, 0.15);
}

.group-message.own .group-message-bubble .code-block .code-header {
  background: rgba(0, 0, 0, 0.25);
}

.group-message.own .group-message-bubble .code-block .code-lang,
.group-message.own .group-message-bubble .code-copy-btn {
  color: rgba(255, 255, 255, 0.7);
}

.group-message.own .group-message-bubble .code-block pre code {
  color: #fff;
}

.group-message.own .group-message-bubble .inline-code {
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 768px) {
  .code-block {
    font-size: 0.8rem;
  }
  .code-block pre {
    padding: 0.6rem 0.7rem;
    font-size: 0.8rem;
  }
  .code-block .code-header {
    padding: 0.2rem 0.5rem;
    font-size: 0.68rem;
  }
}