/* ============================================
   小七 · 云端控制台 - 样式表 v2.0
   ============================================ */

:root {
  --primary: #6c5ce7;
  --primary-light: #a29bfe;
  --primary-dark: #5a4bd1;
  --bg: #0f0f1a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222244;
  --bg-sidebar: #12121f;
  --text: #e8e8f0;
  --text-muted: #8888a0;
  --text-dim: #55557a;
  --border: #2a2a4a;
  --success: #00d68f;
  --success-bg: rgba(0,214,143,0.1);
  --warning: #ffaa00;
  --warning-bg: rgba(255,170,0,0.1);
  --danger: #ff6b6b;
  --danger-bg: rgba(255,107,107,0.1);
  --info: #54a0ff;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --chat-max-width: 800px;
  --transition: 0.2s ease;
}

/* 浅色主题 */
[data-theme="light"] {
  --bg: #f0f2f5;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f5f8;
  --bg-sidebar: #ffffff;
  --text: #1a1a2e;
  --text-muted: #666680;
  --text-dim: #9999aa;
  --border: #e0e0ea;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ========== 侧边栏 ========== */
.sidebar {
  width: 220px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 10;
  transition: background var(--transition);
}

.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon { font-size: 28px; }

.logo-text {
  font-size: 17px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  flex: 1;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 14px;
}

.nav-item:hover {
  background: rgba(108, 92, 231, 0.1);
  color: var(--text);
}

.nav-item.active {
  background: rgba(108, 92, 231, 0.2);
  color: var(--primary-light);
  font-weight: 600;
}

.nav-icon { font-size: 18px; }

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.online { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.offline { background: var(--danger); }
.status-dot.checking { background: var(--warning); animation: pulse 1s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.conn-url {
  color: var(--text-dim);
  word-break: break-all;
  font-family: monospace;
  font-size: 11px;
}

/* ========== 主内容区 ========== */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
  min-width: 0;
}

.page { display: none; }
.page.active { display: block; animation: fadeIn 0.2s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
}

.header-actions {
  display: flex;
  gap: 8px;
}

/* ========== 通用组件 ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  transition: background var(--transition), border var(--transition);
}

.card-header {
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  background: var(--primary);
  color: white;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.btn-danger {
  background: var(--danger);
}

.btn-danger:hover {
  background: #e05555;
}

.btn-block {
  display: flex;
  width: 100%;
  justify-content: center;
  padding: 12px;
  font-size: 15px;
}

/* ========== 表单 ========== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  transition: border var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,92,231,0.15);
}

.form-input::placeholder {
  color: var(--text-dim);
}

.form-input-sm {
  padding: 6px 10px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.form-input-sm:focus {
  border-color: var(--primary);
}

.form-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
  line-height: 1.5;
}

.form-hint code {
  background: var(--bg-card-hover);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
}

.input-group {
  display: flex;
  gap: 8px;
}

.input-group .form-input {
  flex: 1;
}

/* ========== 统计数据卡片 ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: background var(--transition);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--success);
}

.stat-value.checking { color: var(--warning); }
.stat-value.sm { font-size: 13px; word-break: break-all; }
.stat-value.error { color: var(--danger); }

/* ========== 架构图 ========== */
.arch-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 0;
}

.arch-node {
  text-align: center;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  min-width: 120px;
  font-size: 13px;
}

.arch-node.brain { border-color: var(--primary); background: rgba(108,92,231,0.08); }
.arch-node.mail { border-color: var(--info); background: rgba(84,160,255,0.08); }
.arch-node.bot { border-color: var(--success); background: rgba(0,214,143,0.08); }

.arch-icon { font-size: 32px; margin-bottom: 8px; }
.arch-desc { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.arch-arrow { font-size: 20px; color: var(--text-dim); }

/* ========== 连接方式 ========== */
.conn-method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.conn-method {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
}

.conn-icon { font-size: 28px; margin-bottom: 8px; }
.conn-name { font-weight: 600; font-size: 14px; }
.conn-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  margin: 6px 0;
  background: var(--bg-card-hover);
  color: var(--text-muted);
}
.conn-badge.active { background: var(--success-bg); color: var(--success); }
.conn-desc { font-size: 12px; color: var(--text-dim); }

/* ========== 表格 ========== */
.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-card-hover); }

.loading-row {
  text-align: center;
  color: var(--text-dim);
  padding: 40px !important;
}

.data-table code {
  background: var(--bg-card-hover);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 11px;
}

/* ========== 快捷操作 ========== */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  transition: all var(--transition);
}

.action-btn:hover {
  border-color: var(--primary);
  background: rgba(108,92,231,0.08);
  transform: translateY(-2px);
}

.action-icon { font-size: 24px; }

/* ========== 对话框 ========== */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
  max-width: var(--chat-max-width);
  margin: 0 auto;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.msg {
  display: flex;
  gap: 12px;
  max-width: 85%;
}

.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg.assistant { align-self: flex-start; }
.msg.system { align-self: flex-start; }

.msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  background: var(--bg-card-hover);
}

.msg.user .msg-avatar {
  background: var(--primary);
  color: white;
  font-size: 14px;
}

.msg-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  transition: background var(--transition);
}

.msg.user .msg-body {
  background: rgba(108,92,231,0.12);
  border-color: rgba(108,92,231,0.25);
}

.msg-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.msg-content {
  line-height: 1.7;
  word-wrap: break-word;
}

.msg-content p { margin-bottom: 8px; }
.msg-content p:last-child { margin-bottom: 0; }
.msg-content ul, .msg-content ol { padding-left: 20px; margin-bottom: 8px; }
.msg-content li { margin-bottom: 4px; }
.msg-content code {
  background: rgba(0,0,0,0.2);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 13px;
}
.msg-content pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  overflow-x: auto;
  margin: 8px 0;
}
.msg-content pre code {
  background: none;
  padding: 0;
  font-size: 13px;
}
.msg-content strong { font-weight: 700; }
.msg-content a { color: var(--info); text-decoration: none; }
.msg-content a:hover { text-decoration: underline; }
.msg-content blockquote {
  border-left: 3px solid var(--primary);
  padding-left: 12px;
  color: var(--text-muted);
  margin: 8px 0;
}

.msg-content table {
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 13px;
  width: 100%;
}

.msg-content th, .msg-content td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}

.msg-content th {
  background: var(--bg-card-hover);
  font-weight: 600;
}

.msg.thinking .msg-body {
  opacity: 0.7;
}

.thinking-dots::after {
  content: '...';
  animation: thinkingDot 1.5s infinite;
}

@keyframes thinkingDot {
  0% { content: '.'; }
  33% { content: '..'; }
  66% { content: '...'; }
}

.chat-input-area {
  display: flex;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.chat-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text);
  font-size: 14px;
  resize: none;
  outline: none;
  font-family: inherit;
  line-height: 1.5;
  min-height: 48px;
  max-height: 150px;
  transition: border var(--transition);
}

.chat-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,92,231,0.12);
}

.send-btn {
  padding: 12px 20px;
  font-size: 14px;
  align-self: flex-end;
  height: 48px;
}

/* ========== 聊天嵌入模式 ========== */
.chat-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  width: fit-content;
}

.chat-tab {
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  background: transparent;
  color: var(--text-muted);
  transition: all var(--transition);
}

.chat-tab.active {
  background: var(--primary);
  color: white;
}

.chat-tab:hover:not(.active) {
  color: var(--text);
}

.chat-embed-container {
  height: calc(100vh - 220px);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  position: relative;
}

.chat-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.chat-embed-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--text-muted);
}

.chat-embed-placeholder .placeholder-icon {
  font-size: 48px;
  opacity: 0.5;
}

.chat-embed-placeholder h3 {
  font-size: 16px;
  color: var(--text);
}

.chat-embed-placeholder p {
  font-size: 13px;
  margin-bottom: 8px;
}

.chat-direct-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 220px);
  max-width: var(--chat-max-width);
  margin: 0 auto;
}

.model-selector {
  max-width: var(--chat-max-width);
  margin: 0 auto;
  padding: 8px 0;
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}

.model-selector select {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg-card);
  color: var(--text);
  font-size: 12px;
  outline: none;
}

/* ========== 设置引导 ========== */
.setup-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.setup-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.setup-icon { font-size: 64px; margin-bottom: 16px; }

.setup-card h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.setup-desc {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.setup-skip {
  margin-top: 16px;
  font-size: 13px;
}

.setup-skip a {
  color: var(--text-dim);
  text-decoration: none;
}

.setup-skip a:hover {
  color: var(--text-muted);
}

/* ========== 关于页面 ========== */
.about-hero {
  text-align: center;
  padding: 20px 0;
}

.about-logo { font-size: 64px; margin-bottom: 12px; }
.about-hero h2 { font-size: 22px; }
.about-ver { color: var(--text-dim); font-size: 13px; margin-top: 4px; }

.deploy-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.step-content strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 4px;
}

.step-content code {
  background: var(--bg-card-hover);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 12px;
}

/* ========== 主题切换 ========== */
.theme-toggle {
  display: flex;
  gap: 8px;
}

.theme-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  transition: all var(--transition);
}

.theme-btn.active {
  border-color: var(--primary);
  background: rgba(108,92,231,0.12);
  color: var(--primary-light);
}

/* ========== Toast ========== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  animation: slideIn 0.3s ease;
  max-width: 360px;
  box-shadow: var(--shadow);
}

.toast.info { background: var(--info); color: white; }
.toast.success { background: var(--success); color: #0f0f1a; }
.toast.error { background: var(--danger); color: white; }
.toast.warning { background: var(--warning); color: #0f0f1a; }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
    overflow: hidden;
  }
  .sidebar .logo-text,
  .sidebar .nav-item span:last-child,
  .sidebar .connection-status span:last-child,
  .sidebar .conn-url {
    display: none;
  }
  .sidebar .nav-item {
    justify-content: center;
    padding: 12px;
  }
  .sidebar .nav-icon { font-size: 20px; }
  .sidebar .logo-icon { font-size: 24px; }
  .sidebar-header { padding: 16px 12px; }
  .sidebar-footer { padding: 12px; }
  .main-content { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-actions { grid-template-columns: repeat(2, 1fr); }
  .arch-grid { flex-direction: column; }
  .arch-arrow { transform: rotate(90deg); }
  .msg { max-width: 95%; }
  .chat-container { height: calc(100vh - 140px); }
  .input-group { flex-wrap: wrap; }
  .input-group .form-input { min-width: 100%; }
  .input-group .btn { flex: 1; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .quick-actions { grid-template-columns: 1fr; }
  .setup-card { padding: 24px; }
}

/* ========== 代码块语法高亮（仿） ========== */
.msg-content .hljs-keyword { color: var(--primary-light); }
.msg-content .hljs-string { color: var(--success); }
.msg-content .hljs-number { color: var(--warning); }
.msg-content .hljs-comment { color: var(--text-dim); font-style: italic; }
.msg-content .hljs-function { color: var(--info); }