/* BitDog - 全局样式（深蓝灰主题 + 绿色/浅蓝强调，参考 AI Trading 仪表板） */
:root {
  --bg-page: #1A202C;
  --bg-card: #2D3748;
  --bg-hover: #4A5568;
  --border: #4A5568;
  --text: #F7FAFC;
  --text-muted: #A0AEC0;
  --accent: #00C078;
  --accent-hover: #00E676;
  --accent-link: #63B3ED;
  --accent-link-hover: #90CDF4;
  --up: #48BB78;
  --down: #F56565;
  --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", monospace;
  --header-h: 56px;
  --radius: 8px;
  --radius-lg: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* 顶栏 - 参考图：左侧 Logo+搜索，右侧 导航+主操作 */
.bd-header {
  height: var(--header-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 32px;
}

.bd-header-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  min-width: 0;
}

.bd-header-center {
  display: flex;
  align-items: center;
  gap: 4px;
}

.bd-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bd-logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.bd-logo:hover {
  color: var(--accent-link-hover);
}

.bd-logo-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}

.bd-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.bd-nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

.bd-nav a:hover {
  color: var(--accent-link);
  background: var(--bg-hover);
}

.bd-nav a.active {
  color: var(--accent-link);
  background: transparent;
  border-bottom: 2px solid var(--accent-link);
  border-radius: 0;
  margin-bottom: -2px;
  padding-bottom: 6px;
}

.bd-btn-outline {
  background: transparent;
  color: var(--accent-link);
  border: 1px solid var(--accent-link);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.bd-btn-outline:hover {
  background: rgba(99, 179, 237, 0.12);
  color: var(--accent-link-hover);
  border-color: var(--accent-link-hover);
}

/* 顶部搜索（行情区）；非行情页用占位 */
.bd-search-wrap {
  position: relative;
  width: 280px;
  flex-shrink: 0;
}

.bd-search-wrap-placeholder input {
  cursor: pointer;
  color: var(--text-muted);
}

.bd-search-wrap-placeholder input:focus {
  border-color: var(--border);
}

.bd-search-wrap input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 36px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  outline: none;
}

.bd-search-wrap input::placeholder {
  color: var(--text-muted);
}

.bd-search-wrap input:focus {
  border-color: var(--accent);
}

.bd-search-result {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 320px;
  overflow-y: auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  display: none;
}

.bd-search-result.show {
  display: block;
}

.bd-search-result li {
  list-style: none;
  margin: 0;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bd-search-result li:last-child {
  border-bottom: none;
}

.bd-search-result li:hover {
  background: var(--bg-hover);
}

.bd-search-result .add-watch {
  font-size: 12px;
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--accent);
}

/* 用户菜单 */
.bd-user,
.bd-user-name {
  color: var(--text-muted);
  font-size: 13px;
}

.bd-user .logout,
.bd-btn-outline#logout {
  color: var(--accent-link);
  text-decoration: none;
}

.bd-user .logout:hover,
.bd-btn-outline#logout:hover {
  color: var(--accent-link-hover);
}

/* 主内容区 */
.bd-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* 卡片 - 参考图：更大圆角、留白、层次 */
.bd-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.bd-card:last-child {
  margin-bottom: 0;
}

.bd-card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--text);
  letter-spacing: 0.01em;
}

.bd-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
}
.bd-card-head .bd-card-title {
  margin: 0;
}
.bd-card-head .bd-link {
  color: var(--accent-link);
  font-size: 13px;
  text-decoration: none;
  flex-shrink: 0;
}
.bd-card-head .bd-link:hover {
  color: var(--accent-link-hover);
  text-decoration: underline;
}

/* 表格 */
.bd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.bd-table th,
.bd-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.bd-table th {
  color: var(--text-muted);
  font-weight: 500;
}

.bd-table th.bd-th-sortable {
  cursor: pointer;
  user-select: none;
  padding-right: 20px;
  position: relative;
}
.bd-table th.bd-th-sortable:hover {
  color: var(--accent-link);
}
.bd-table th.bd-th-sortable::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  margin-top: -4px;
  border: 4px solid transparent;
  border-top-color: currentColor;
  border-bottom: none;
  opacity: 0.4;
}
.bd-table th.bd-th-sortable.asc::after {
  border-top: none;
  border-bottom: 4px solid currentColor;
  margin-top: -8px;
  opacity: 1;
}
.bd-table th.bd-th-sortable.desc::after {
  opacity: 1;
}

.bd-table tr:hover td {
  background: var(--bg-hover);
}

.bd-table .up {
  color: var(--up);
}

.bd-table .down {
  color: var(--down);
}

.bd-symbol-link {
  color: var(--text);
  text-decoration: none;
}
.bd-symbol-link:hover {
  color: var(--accent-link);
  text-decoration: underline;
}

/* Tab */
.bd-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.bd-tabs a,
.bd-tabs span {
  padding: 10px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.bd-tabs a:hover {
  color: var(--text);
}

.bd-tabs a.active {
  color: var(--accent-link);
  border-bottom-color: var(--accent-link);
}

/* 按钮 */
.bd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}

.bd-btn-primary {
  background: var(--accent);
  color: #fff;
}

.bd-btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

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

.bd-btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.bd-btn-danger {
  background: transparent;
  color: var(--down);
  border: 1px solid var(--down);
}

.bd-btn-danger:hover {
  background: rgba(246,70,93,0.12);
}

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

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

.bd-form-group input {
  width: 100%;
  max-width: 360px;
  height: 40px;
  padding: 0 12px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
}

.bd-form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.bd-form-hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.bd-forgot-wrap {
  margin: -8px 0 16px 0;
  text-align: right;
}
.bd-forgot-link {
  color: var(--accent-link);
  font-size: 13px;
  text-decoration: none;
}
.bd-forgot-link:hover {
  color: var(--accent-link-hover);
  text-decoration: underline;
}

/* 空态 */
.bd-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.bd-empty p {
  margin: 0 0 12px 0;
}

/* 登录页居中 */
.bd-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.bd-login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}

.bd-login-card .bd-logo {
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
  flex-direction: column;
  gap: 12px;
}

.bd-login-card .bd-login-icon {
  width: 72px;
  height: 72px;
  display: block;
  border-radius: 16px;
}

.bd-login-card h1 {
  text-align: center;
  font-size: 1.25rem;
  margin: 0 0 24px 0;
  font-weight: 600;
}

.bd-login-card .bd-form-group input {
  max-width: none;
}

.bd-login-card .bd-btn {
  width: 100%;
  height: 44px;
  margin-top: 8px;
  margin-bottom: 16px;
}

.bd-login-card .switch-mode {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.bd-login-card .switch-mode a {
  color: var(--accent);
  text-decoration: none;
}

.bd-login-card .switch-mode a:hover {
  text-decoration: underline;
}

/* 涨跌色 */
.text-up { color: var(--up); }
.text-down { color: var(--down); }

/* 两列仪表盘布局 - 参考图左宽右窄 */
.bd-dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 28px;
  align-items: start;
}
@media (max-width: 1024px) {
  .bd-dashboard-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.bd-dashboard-left,
.bd-dashboard-right {
  min-width: 0;
}

/* 仪表盘概览区：大标题 + 状态行 */
.bd-dashboard-summary .bd-card-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
}
.bd-dashboard-summary .bd-status-line {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.bd-dashboard-summary .bd-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.bd-dashboard-summary .bd-stat label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.bd-dashboard-summary .bd-stat .bd-stat-value {
  font-size: 1.5rem;
  font-weight: 600;
}

/* AI 信号卡片占位 */
.bd-signal-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.bd-signal-item:last-child {
  border-bottom: none;
}
.bd-signal-pair {
  font-weight: 500;
  color: var(--text);
}
.bd-signal-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 8px;
}
.bd-signal-tag.buy {
  background: rgba(72, 187, 120, 0.2);
  color: var(--up);
}
.bd-signal-tag.sell {
  background: rgba(245, 101, 101, 0.2);
  color: var(--down);
}
.bd-signals-empty {
  color: var(--text-muted);
  font-size: 13px;
  padding: 24px 0;
  text-align: center;
}

/* 状态指示（绿色圆点 + 文案） */
.bd-status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.bd-status-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--up);
  flex-shrink: 0;
}
.bd-status-dot.paused::before {
  background: var(--text-muted);
}
.bd-status-dot.danger::before {
  background: var(--down);
}

/* 底部状态栏 */
.bd-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.bd-footer-left {
  display: flex;
  align-items: center;
  gap: 24px;
}
.bd-footer-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.bd-footer-right a {
  color: var(--accent-link);
  text-decoration: none;
}
.bd-footer-right a:hover {
  color: var(--accent-link-hover);
  text-decoration: underline;
}
body.bd-has-footer {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
body.bd-has-footer .bd-main {
  flex: 1;
}

/* 通用弹窗（退出确认等） */
.bd-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.bd-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}
.bd-modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.bd-logout-modal-message {
  margin: 0 0 24px 0;
  font-size: 15px;
  color: var(--text);
  line-height: 1.5;
}
.bd-logout-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}