/* ==========================================================================
   Automy 奥托迈 · 产品原型样式
   高保真原型界面专用: 应用主框架、对话窗、市场、知识库、管理后台等
   ========================================================================== */

/* ------------------------------------------------------------------
   原型容器 - 模拟桌面应用窗口
   ------------------------------------------------------------------ */
.prototype-shell {
  min-height: calc(100vh - var(--topbar-height));
  background: var(--color-bg-subtle);
  padding: var(--space-4);
}
.prototype-frame {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--topbar-height) - var(--space-8));
  min-height: 560px;
}

/* 原型应用三栏布局 */
.app-frame {
  display: flex;
  height: 100%;
  overflow: hidden;
}
.app-frame__sidebar {
  width: 240px;
  background: var(--color-bg-elevated);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.app-frame__main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--color-bg);
  overflow: hidden;
}
.app-frame__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.app-frame__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}
.app-frame__subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin: 2px 0 0;
}
.app-frame__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
}
.app-frame__right {
  width: 320px;
  background: var(--color-bg-elevated);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

/* 应用侧边栏 */
.app-sidebar__header {
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.app-sidebar__brand {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-text);
}
.app-sidebar__new {
  margin-left: auto;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: white;
  border: none;
  font-size: 18px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.app-sidebar__new:hover { background: var(--color-primary-hover); }
.app-sidebar__nav {
  flex: 1;
  padding: var(--space-3);
  overflow-y: auto;
}
.app-sidebar__section-label {
  padding: var(--space-3) var(--space-3) var(--space-2);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
}
.app-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.app-nav-item:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text);
}
.app-nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary-active);
  font-weight: 500;
}
.app-nav-item__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.app-nav-item__count {
  margin-left: auto;
  font-size: 11px;
  color: var(--color-text-tertiary);
}
.app-sidebar__footer {
  padding: var(--space-3);
  border-top: 1px solid var(--color-border-light);
}

/* 应用顶栏 */
.app-topbar {
  height: 52px;
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}
.app-topbar__title {
  font-size: var(--font-size-md);
  font-weight: 600;
}
.app-topbar__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ------------------------------------------------------------------
   对话区
   ------------------------------------------------------------------ */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.chat-message {
  display: flex;
  gap: var(--space-3);
  max-width: 80%;
}
.chat-message--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-message__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}
.chat-message--user .chat-message__avatar { background: var(--color-secondary); }
.chat-message__body {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  line-height: var(--line-normal);
  color: var(--color-text);
}
.chat-message--user .chat-message__body {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.chat-message__meta {
  font-size: 11px;
  color: var(--color-text-tertiary);
  margin-top: 4px;
}
.chat-message--user .chat-message__meta { text-align: right; }

/* 流式输出光标 */
.chat-cursor {
  display: inline-block;
  width: 7px;
  height: 14px;
  background: var(--color-primary);
  vertical-align: middle;
  margin-left: 2px;
  animation: pulse 1s steps(2) infinite;
}

.chat-typing {
  display: inline-flex;
  gap: 4px;
  padding: var(--space-2) 0;
}
.chat-typing__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
  animation: chat-typing 1.4s ease-in-out infinite;
}
.chat-typing__dot:nth-child(2) { animation-delay: 0.2s; }
.chat-typing__dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes chat-typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* 输入区 */
.chat-input {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  background: var(--color-bg-elevated);
}
.chat-input__textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  max-height: 120px;
  min-height: 38px;
  line-height: var(--line-normal);
  transition: border-color var(--transition-fast);
}
.chat-input__textarea:focus { border-color: var(--color-primary); }
.chat-input__toolbar {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.chat-input__btn {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.chat-input__btn:hover { color: var(--color-primary); border-color: var(--color-primary-border); }
.chat-input__send {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  border: none;
  color: white;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.chat-input__send:hover { background: var(--color-primary-hover); }
.chat-input__send:disabled { background: var(--color-bg-muted); color: var(--color-text-tertiary); cursor: not-allowed; }

/* ------------------------------------------------------------------
   快捷能力入口
   ------------------------------------------------------------------ */
.chat-quick-actions {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  overflow-x: auto;
  flex-wrap: nowrap;
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
}
.chat-quick-actions::-webkit-scrollbar { height: 4px; }
.chat-quick-actions::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.quick-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.quick-chip:hover {
  background: var(--color-primary-bg);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}
.quick-chip__icon {
  font-size: 14px;
  line-height: 1;
}

/* ------------------------------------------------------------------
   大圆角输入卡片 Chat Composer
   ------------------------------------------------------------------ */
.chat-composer {
  margin: var(--space-3) var(--space-5) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.chat-composer:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 0 0 3px var(--color-primary-bg);
}

/* 顶部：角色/智能体选择器 + 模式切换 */
.chat-composer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 0;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.composer-agent-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.composer-agent-selector:hover {
  background: var(--color-bg-muted);
}
.composer-agent-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.composer-agent-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.composer-agent-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}
.composer-agent-tag {
  font-size: 10px;
  color: var(--color-text-tertiary);
}
.composer-agent-arrow {
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.chat-composer__mode {
  display: flex;
  gap: 4px;
  align-items: center;
}
.composer-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.composer-mode-btn:hover {
  background: var(--color-bg-muted);
  color: var(--color-text-secondary);
}
.composer-mode-btn.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-primary-border);
}

/* 中间：文本输入区 */
.chat-composer__body {
  padding: 4px 12px;
}
.chat-composer__textarea {
  width: 100%;
  resize: none;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-normal);
  min-height: 44px;
  max-height: 200px;
  padding: 8px 0;
}
.chat-composer__textarea::placeholder {
  color: var(--color-text-tertiary);
}

/* 底部：工具栏 + 发送 */
.chat-composer__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px 8px;
  gap: var(--space-2);
}
.chat-composer__tools {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.composer-tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.composer-tool-btn:hover {
  background: var(--color-bg-muted);
  color: var(--color-primary);
}
.composer-tool-btn--text {
  padding: 5px 8px;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.composer-tool-btn--text:hover {
  background: var(--color-bg-muted);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}
.composer-divider {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  margin: 0 4px;
}

.chat-composer__send {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}
.chat-composer__send:hover {
  background: var(--color-primary-hover);
}
.chat-composer__send:disabled {
  background: var(--color-bg-muted);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

/* ------------------------------------------------------------------
   市场卡片
   ------------------------------------------------------------------ */
.market-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.market-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.market-card__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.market-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
}
.market-card__icon.icon-purple { background: #EEF2FF; color: #6366F1; }
.market-card__icon.icon-orange { background: #FFF7ED; color: #F97316; }
.market-card__icon.icon-green { background: var(--color-success-light); color: var(--color-success); }
.market-card__icon.icon-blue { background: var(--color-info-light); color: var(--color-info); }
.market-card__icon.icon-pink { background: #FDF2F8; color: #EC4899; }
.market-card__title { font-size: var(--font-size-md); font-weight: 600; margin-bottom: 2px; }
.market-card__author { font-size: var(--font-size-xs); color: var(--color-text-tertiary); }
.market-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-snug);
  margin: 0 0 var(--space-3);
  flex: 1;
}
.market-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: var(--space-3);
}
.market-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-light);
  margin-top: auto;
}
.market-card__stats {
  display: flex;
  gap: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}
.market-card__stat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* 安装按钮状态 */
.install-btn[data-installed="true"] {
  background: var(--color-success-light);
  color: var(--color-success);
  border-color: var(--color-success-border);
}
.install-btn[data-installed="true"]::before { content: '✓ '; }

/* ------------------------------------------------------------------
   知识库 / 文档列表
   ------------------------------------------------------------------ */
.doc-list { display: flex; flex-direction: column; gap: var(--space-2); }
.doc-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.doc-item:hover { border-color: var(--color-primary-border); background: var(--color-bg-subtle); }
.doc-item__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary-active);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.doc-item__body { flex: 1; min-width: 0; }
.doc-item__title { font-size: var(--font-size-sm); font-weight: 500; margin-bottom: 2px; }
.doc-item__meta { font-size: var(--font-size-xs); color: var(--color-text-tertiary); }

/* 知识库卡片视图 */
.knowledge-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.knowledge-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-sm);
}
.knowledge-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: var(--space-3);
}
.knowledge-card__title { font-size: var(--font-size-md); font-weight: 600; margin-bottom: var(--space-1); }
.knowledge-card__count { font-size: var(--font-size-xs); color: var(--color-text-tertiary); }

/* ------------------------------------------------------------------
   用户档案
   ------------------------------------------------------------------ */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}
.profile-header__avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 600;
  flex-shrink: 0;
}
.profile-header__info { flex: 1; }
.profile-header__name { font-size: var(--font-size-xl); font-weight: 600; margin-bottom: 2px; }
.profile-header__meta { font-size: var(--font-size-sm); color: var(--color-text-secondary); }

/* ------------------------------------------------------------------
   管理后台 - 统计卡
   ------------------------------------------------------------------ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.stat-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-fast);
}
.stat-card:hover { box-shadow: var(--shadow-sm); }
.stat-card__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}
.stat-card__value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  letter-spacing: -0.02em;
}
.stat-card__trend {
  font-size: var(--font-size-xs);
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.stat-card__trend--up { color: var(--color-success); }
.stat-card__trend--down { color: var(--color-danger); }

/* ------------------------------------------------------------------
   原型占位符 (展示效果)
   ------------------------------------------------------------------ */
.prototype-banner {
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning-border);
  color: #92400E;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
[data-theme="dark"] .prototype-banner { color: var(--color-warning); }
.prototype-banner__icon { font-size: 16px; }

/* ------------------------------------------------------------------
   登录页
   ------------------------------------------------------------------ */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}
.auth-shell::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08), transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05), transparent 50%);
  pointer-events: none;
}
.auth-card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}
.auth-card__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--space-8);
}
.auth-card__title { font-size: var(--font-size-2xl); font-weight: 700; margin-top: var(--space-3); color: var(--color-text); }
.auth-card__subtitle { font-size: var(--font-size-sm); color: var(--color-text-secondary); margin-top: var(--space-1); }

/* ------------------------------------------------------------------
   工作台 - 仪表盘
   ------------------------------------------------------------------ */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
  padding: var(--space-6);
}
.recent-agents {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.recent-agent-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.recent-agent-item:hover {
  border-color: var(--color-primary-border);
  transform: translateX(2px);
}
.recent-agent-item__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--color-primary-light);
  flex-shrink: 0;
}
.recent-agent-item__body { flex: 1; min-width: 0; }
.recent-agent-item__title { font-size: var(--font-size-sm); font-weight: 500; }
.recent-agent-item__preview {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ------------------------------------------------------------------
   MCP 服务卡片
   ------------------------------------------------------------------ */
.mcp-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-fast);
}
.mcp-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-md);
}
.mcp-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.mcp-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.mcp-card__title { font-size: var(--font-size-md); font-weight: 600; }
.mcp-card__status {
  margin-left: auto;
  font-size: var(--font-size-xs);
}
.mcp-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}
.mcp-card__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: var(--space-3);
}
.mcp-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-light);
}

/* ------------------------------------------------------------------
   代码编辑器占位
   ------------------------------------------------------------------ */
.code-editor {
  background: #0F172A;
  color: #E2E8F0;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: var(--line-snug);
  overflow: auto;
}
.code-editor__line {
  display: flex;
  gap: var(--space-4);
}
.code-editor__ln {
  color: #475569;
  user-select: none;
  text-align: right;
  width: 24px;
  flex-shrink: 0;
}

/* ------------------------------------------------------------------
   响应式
   ------------------------------------------------------------------ */
@media (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .app-frame__right { display: none; }
}
@media (max-width: 768px) {
  .app-frame__sidebar { width: 60px; }
  .app-sidebar__brand,
  .app-nav-item__label,
  .app-nav-item__count,
  .app-sidebar__section-label,
  .app-sidebar__new { display: none; }
  .stat-grid { grid-template-columns: 1fr; }
  .prototype-shell { padding: var(--space-2); }
  .prototype-frame { height: calc(100vh - var(--topbar-height) - var(--space-4)); }
  .chat-message { max-width: 100%; }
}

/* ==========================================================================
   标注模式 (Annotation Mode)
   开启后右侧浮窗显示当前原型页对应的需求数与设计说明
   ========================================================================== */
.annotation-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: all 0.2s;
}
.annotation-toggle:hover { transform: scale(1.1); }
.annotation-toggle.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.annotation-panel {
  position: fixed;
  top: 64px;
  right: 16px;
  bottom: 80px;
  width: 320px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.annotation-panel__header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.annotation-panel__title { font-weight: 600; font-size: 14px; }
.annotation-panel__body { flex: 1; overflow-y: auto; padding: 12px 16px; }
.annotation-panel__section { margin-bottom: 16px; }
.annotation-panel__label {
  font-size: 12px;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.annotation-req-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text);
  margin-bottom: 4px;
  transition: background 0.15s;
}
.annotation-req-item:hover { background: var(--color-bg-subtle); }
.annotation-req-title { font-size: 13px; }

/* 标注模式下,原型内容右移 */
body.annotation-mode .prototype-frame .app-frame__main {
  margin-right: 336px;
}
@media (max-width: 1280px) {
  .annotation-panel { width: 280px; }
  body.annotation-mode .prototype-frame .app-frame__main { margin-right: 296px; }
}

/* ==========================================================================
   用户中心 Profile 专用样式
   ========================================================================== */

/* Hero 头部卡 */
.profile-hero {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.profile-hero__cover {
  height: 96px;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
  position: relative;
}
.profile-hero__cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.18), transparent 60%);
}
.profile-hero__body {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: 0 var(--space-5) var(--space-5);
  margin-top: -32px;
  position: relative;
}
.profile-hero__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  font-size: 32px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid var(--color-bg-elevated);
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}
.profile-hero__info {
  flex: 1;
  padding-top: 36px;
  min-width: 0;
}
.profile-hero__name {
  font-size: var(--font-size-xl);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.profile-hero__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 4px;
}
.profile-hero__tags {
  display: flex;
  gap: 6px;
  margin-top: var(--space-2);
  flex-wrap: wrap;
}
.profile-hero__actions {
  padding-top: 36px;
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* 顶部统计卡 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.stat-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.stat-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.stat-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 4px;
}
.stat-card__icon--blue { background: #dbeafe; }
.stat-card__icon--purple { background: #ede9fe; }
.stat-card__icon--green { background: #d1fae5; }
.stat-card__icon--orange { background: #ffedd5; }
.stat-card__value {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
}
.stat-card__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}
.stat-card__trend {
  font-size: var(--font-size-xs);
  margin-top: 4px;
}
.stat-card__trend--up { color: var(--color-success); }

/* 用户中心布局 */
.profile-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-4);
  align-items: start;
}
.profile-side {
  position: sticky;
  top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* 左侧 Tab */
.profile-side__nav .card-body { padding: 6px; }
.profile-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.profile-tab:hover { background: var(--color-bg-subtle); color: var(--color-text); }
.profile-tab.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 500;
}
.profile-tab__icon { font-size: 16px; width: 20px; text-align: center; }

/* 套餐卡 */
.profile-plan__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.profile-plan__name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 2px;
}
.profile-plan__bar {
  background: var(--color-bg-subtle);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  margin: 12px 0 6px;
}
.profile-plan__bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 999px;
  transition: width var(--transition-base);
}
.profile-plan__usage {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

/* 右侧内容 */
.profile-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.profile-section {
  scroll-margin-top: 80px;
}

/* 表单网格 */
.form-grid {
  display: grid;
  gap: var(--space-3);
}
.form-grid--cols2 {
  grid-template-columns: repeat(2, 1fr);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group--full {
  grid-column: 1 / -1;
}
.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}
.form-input {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: inherit;
  width: 100%;
  box-sizing: border-box;
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}
textarea.form-input { resize: vertical; min-height: 60px; }

/* 偏好开关组 */
.profile-prefs {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-4);
  border: 1px solid var(--color-border-light);
}
.profile-pref {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--color-bg-elevated);
  gap: var(--space-3);
}
.profile-pref__info { flex: 1; min-width: 0; }
.profile-pref__title { font-weight: 500; font-size: var(--font-size-sm); }
.profile-pref__desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

/* 开关组件 */
.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch__slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: var(--transition-fast);
}
.switch__slider::before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  background: white;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: var(--transition-fast);
}
.switch input:checked + .switch__slider {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.switch input:checked + .switch__slider::before {
  transform: translate(18px, -50%);
}

/* 记忆统计 */
.profile-memory-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}
.profile-memory-stat { text-align: center; }
.profile-memory-stat__value {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
}
.profile-memory-stat__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

/* 记忆列表 */
.profile-memory-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.profile-memory-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.profile-memory-item:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}
.profile-memory-item__icon { font-size: 20px; }
.profile-memory-item__body { flex: 1; min-width: 0; }
.profile-memory-item__title {
  font-size: var(--font-size-sm);
  font-weight: 500;
}
.profile-memory-item__meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 2px;
}

/* 小工具类 */
.chip-sm {
  font-size: 11px !important;
  padding: 2px 8px !important;
}
.code-inline {
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  font-size: 12px;
  background: var(--color-bg-subtle);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-primary);
}
.profile-agent__icon {
  font-size: 20px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
}

/* 响应式 */
@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .profile-layout { grid-template-columns: 1fr; }
  .profile-side { position: static; }
  .profile-memory-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .form-grid--cols2 { grid-template-columns: 1fr; }
  .profile-hero__body { flex-direction: column; }
  .profile-hero__avatar { margin-top: -20px; }
}