/* =================================================
   ETH K线展示 - Bybit 风格精致暗色主题
   ================================================= */

/* ---------- CSS 变量 ---------- */
:root {
  --bg-primary: #0d0d1a;
  --bg-secondary: #14142a;
  --bg-tertiary: #1c1c3a;
  --bg-elevated: #1e1e3a;
  --bg-hover: #26264a;
  --bg-active: #2e2e5a;

  --border-primary: #2b2b4a;
  --border-subtle: #1e1e3a;
  --border-focus: #3b6eff;

  --text-primary: #ffffff;
  --text-secondary: #a0a0b8;
  --text-tertiary: #6c6c8a;
  --text-disabled: #4a4a6a;

  --green-primary: #0ecb81;
  --green-bg: rgba(14, 203, 129, 0.12);
  --green-bg-hover: rgba(14, 203, 129, 0.2);
  --red-primary: #f6465d;
  --red-bg: rgba(246, 70, 93, 0.12);
  --red-bg-hover: rgba(246, 70, 93, 0.2);

  --blue-primary: #3b6eff;
  --blue-bg: rgba(59, 110, 255, 0.12);
  --blue-bg-hover: rgba(59, 110, 255, 0.2);

  --gold-primary: #f0b90b;
  --gold-bg: rgba(240, 185, 11, 0.12);
  --orange-primary: #e67e22;

  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow-green: 0 0 12px rgba(14, 203, 129, 0.15);
  --shadow-glow-red: 0 0 12px rgba(246, 70, 93, 0.15);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- Layout ---------- */
.container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-primary);
}

/* ---------- 顶部标题栏 (Bybit 风格) ---------- */
.header {
  background: var(--bg-secondary);
  padding: 0 20px;
  height: 56px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-focus), transparent);
  opacity: 0.3;
}

.symbol-info {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.symbol-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  position: relative;
}

.symbol-name::after {
  content: 'PERP';
  font-size: 9px;
  font-weight: 600;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.5px;
}

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

.price {
  font-size: 26px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--green-primary);
  letter-spacing: -0.5px;
  transition: color var(--transition-fast);
  line-height: 1;
}

.price.negative {
  color: var(--red-primary);
}

.change {
  font-size: 13px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  background: var(--green-bg);
  color: var(--green-primary);
  font-family: var(--font-mono);
  transition: all var(--transition-fast);
}

.change.negative {
  background: var(--red-bg);
  color: var(--red-primary);
}

/* 24h 变化指示器 */
.change-indicator {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.change-indicator::before {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 5px solid currentColor;
  margin-right: 2px;
}

.change.negative .change-indicator::before {
  border-bottom: none;
  border-top: 5px solid currentColor;
}

/* OHLC 信息 */
.ohlc-info {
  display: flex;
  gap: 20px;
  margin-left: auto;
  font-size: 12px;
  align-items: center;
}

.ohlc-item {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.ohlc-item b {
  color: var(--text-tertiary);
  font-weight: 500;
}

.ohlc-item span {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
}

.ohlc-item .value-up {
  color: var(--green-primary);
}

.ohlc-item .value-down {
  color: var(--red-primary);
}

/* ---------- 数据来源标签 ---------- */
.data-source-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--gold-bg);
  color: var(--gold-primary);
  border: 1px solid rgba(240, 185, 11, 0.2);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ---------- 主体区域 ---------- */
.main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* ---------- 左侧边栏 ---------- */
.sidebar {
  width: 200px;
  background: var(--bg-secondary);
  padding: 16px 12px;
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-primary) transparent;
}

.sidebar-scroll::-webkit-scrollbar {
    width: 3px;
}

.sidebar-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-scroll::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 2px;
}

.sidebar-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--border-focus);
}

/* 导航按钮 (Bybit 风格 tab) */
.nav-buttons {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  padding: 3px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.nav-btn {
  flex: 1;
  text-align: center;
  padding: 7px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  transition: all var(--transition-normal);
  position: relative;
}

.nav-btn:hover {
  color: var(--text-secondary);
  background: var(--bg-hover);
}

.nav-btn.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* 时间周期标题 */
.interval-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0 4px;
}

/* 时间周期按钮网格 */
.interval-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 12px;
}

.interval-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.interval-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-primary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

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

.interval-btn.active {
  background: var(--blue-bg);
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  font-weight: 600;
  box-shadow: 0 0 12px rgba(59, 110, 255, 0.1);
}

.interval-btn.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--blue-primary);
  opacity: 0.5;
}

/* ---------- 数据统计 ---------- */
.data-info {
  padding: 12px 4px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 8px;
}

.info-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

#data-stats {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.8;
}

#data-stats div {
  padding: 2px 0;
  display: flex;
  justify-content: space-between;
}

#data-stats div::after {
  content: '';
  flex: 1;
  border-bottom: 1px dotted var(--border-subtle);
  margin: 0 8px;
  align-self: flex-end;
  margin-bottom: 4px;
}

/* 切换到 / toggle 按钮 */
.profile-toggle {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.toggle-btn {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.toggle-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.toggle-btn.active {
  background: var(--gold-bg);
  border-color: rgba(240, 185, 11, 0.3);
  color: var(--gold-primary);
}

/* ---------- K线图区域 ---------- */
.chart-area {
  flex: 1;
  padding: 6px;
  background: var(--bg-primary);
  min-width: 0;
}

#chart-container {
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

/* ---------- 底部状态栏 ---------- */
.footer {
  background: var(--bg-secondary);
  padding: 0 20px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-primary);
  flex-shrink: 0;
}

#status {
  color: var(--green-primary);
  font-weight: 500;
}

#status.loading {
  color: var(--blue-primary);
}

#status.error {
  color: var(--red-primary);
}

#data-time {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 11px;
}

.data-source-hint {
  color: var(--gold-primary);
  font-style: normal;
  font-weight: 500;
  opacity: 0.8;
}

/* ---------- 加载动画 ---------- */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  color: var(--text-tertiary);
  font-size: 13px;
  gap: 12px;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--blue-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 脉冲动画 */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

/* 淡入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--transition-normal) ease-out;
}

/* 滑入动画 */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in {
  animation: slideInRight var(--transition-normal) ease-out;
}

/* ---------- 回测面板 (Bybit 风格卡片) ---------- */
.backtest-panel {
  margin-top: 8px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
}

.backtest-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 8px 4px;
  user-select: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.backtest-header:hover {
  background: var(--bg-hover);
}

.backtest-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--orange-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.backtest-title::before {
  content: '◆';
  font-size: 8px;
  opacity: 0.7;
}

.backtest-arrow {
  font-size: 10px;
  color: var(--text-tertiary);
  transition: transform var(--transition-normal);
  display: inline-block;
}

.backtest-arrow.expanded {
    transform: rotate(90deg);
}

.backtest-body {
  display: none;
  margin-top: 8px;
  animation: fadeIn var(--transition-normal) ease-out;
}

.backtest-body.expanded {
    display: block;
}

.backtest-params {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.param-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
}

.param-label {
  font-size: 11px;
  color: var(--text-tertiary);
  min-width: 44px;
  text-align: right;
  font-weight: 500;
  flex-shrink: 0;
}

.param-input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: var(--font-mono);
  outline: none;
  transition: all var(--transition-fast);
  min-width: 0;
}

.param-input:hover {
  border-color: var(--border-primary);
}

.param-input:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 2px var(--blue-bg);
}

.param-input::placeholder {
  color: var(--text-disabled);
}

select.param-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath fill='%236c6c8a' d='M0 0l4 5 4-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 24px;
}

/* 参数段落标签 */
.param-section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin: 10px 0 4px;
  padding: 6px 0 2px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 6px;
}

.param-section-label:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

/* 缓存控制按钮 */
.cache-actions {
  display: flex;
  gap: 6px;
}
.cache-btn {
  flex: 1;
  padding: 4px 8px;
  font-size: 10px;
  background: #2a2a4a;
  border: 1px solid #3a3a5c;
  border-radius: 3px;
  color: #a0a0b8;
  cursor: pointer;
  transition: all 0.15s ease;
}
.cache-btn:hover {
  background: #3a3a5c;
  color: #e0e0e0;
}
.cache-status {
  font-size: 10px;
  color: #0ecb81;
  cursor: help;
}
.cache-status.miss {
  color: #f0b90b;
}
.cache-status.offline {
  color: #f6465d;
}

/* 运行回测按钮 (Bybit 风格) */
.bt-run-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--orange-primary), #d35400);
  border: none;
  color: #fff;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  margin-top: 8px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.3px;
}

.bt-run-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s;
}

.bt-run-btn:hover::before {
  left: 100%;
}

.bt-run-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(230, 126, 34, 0.3);
}

.bt-run-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.bt-run-btn:disabled {
  background: var(--bg-tertiary) !important;
  color: var(--text-disabled) !important;
  cursor: not-allowed !important;
  transform: none !important;
  box-shadow: none !important;
}

/* 回测结果卡片 */
.backtest-result {
  margin-top: 10px;
  padding: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  animation: fadeIn var(--transition-normal) ease-out;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.result-row:last-of-type {
  border-bottom: none;
}

.result-label {
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.result-value {
  font-size: 12px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 600;
}

.result-value.positive {
  color: var(--green-primary);
}

.result-value.negative {
  color: var(--red-primary);
}

/* 交易明细按钮 */
.bt-detail-btn {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--orange-primary);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 11px;
  font-weight: 500;
  margin-top: 8px;
  transition: all var(--transition-normal);
}

.bt-detail-btn:hover {
  background: var(--bg-hover);
  border-color: var(--orange-primary);
  box-shadow: 0 0 12px rgba(230, 126, 34, 0.1);
}

/* ---------- 弹窗 (Bybit 风格 Modal) ---------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 200ms ease-out;
}

.modal-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  width: 92vw;
  max-width: 960px;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: slideUp 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-primary);
}

.modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--orange-primary);
}

.modal-close {
  font-size: 18px;
  color: var(--text-tertiary);
  cursor: pointer;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--red-primary);
  background: var(--red-bg);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  max-height: 460px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-primary) transparent;
}

.modal-body::-webkit-scrollbar {
    width: 4px;
}

.modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 2px;
}

/* ---------- 交易明细表格 (Bybit 风格) ---------- */
.trade-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 11px;
  table-layout: fixed;
}

.trade-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.trade-table th {
  background: var(--bg-primary);
  color: var(--text-tertiary);
  padding: 10px 8px;
  text-align: center;
  font-weight: 500;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-primary);
  white-space: nowrap;
}

.trade-table td {
  padding: 8px 6px;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.trade-table tr {
  transition: background var(--transition-fast);
}

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

.trade-table td:first-child {
  color: var(--text-tertiary);
  font-size: 10px;
}

.trade-dir-long {
  color: var(--green-primary) !important;
  font-weight: 600;
}

.trade-dir-short {
  color: var(--red-primary) !important;
  font-weight: 600;
}

.trade-pnl-positive {
  color: var(--green-primary) !important;
  font-weight: 600;
}

.trade-pnl-negative {
  color: var(--red-primary) !important;
  font-weight: 600;
}

/* ---------- 开关 (Bybit 风格切换) ---------- */
.switch-label {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex: 0 0 auto;
  cursor: pointer;
}

.switch-label .switch-input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: 20px;
  transition: all var(--transition-normal);
}

.switch-slider::before {
  content: '';
  position: absolute;
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-tertiary);
  border-radius: 50%;
  transition: all var(--transition-normal);
}

.switch-input:checked+.switch-slider {
  background-color: var(--orange-primary);
  border-color: var(--orange-primary);
}

.switch-input:checked+.switch-slider::before {
  transform: translateX(16px);
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .sidebar {
    width: 160px;
    padding: 12px 8px;
  }

  .header {
    padding: 0 12px;
    height: 48px;
  }

  .symbol-name {
    font-size: 15px;
  }

  .price {
    font-size: 20px;
  }

  .ohlc-info {
    gap: 10px;
    font-size: 10px;
  }

  .ohlc-item span {
    font-size: 10px;
  }
}

@media (max-width: 640px) {
  .sidebar {
    width: 140px;
    padding: 10px 6px;
  }

  .interval-list {
    grid-template-columns: 1fr;
  }

  .ohlc-info {
    display: none;
  }

  .nav-buttons {
    gap: 2px;
  }

  .nav-btn {
    font-size: 10px;
    padding: 6px 4px;
  }

  .header {
    padding: 0 8px;
    height: 44px;
  }

  .symbol-name {
    font-size: 13px;
  }

  .price {
    font-size: 18px;
  }

  .change {
    font-size: 11px;
    padding: 1px 6px;
  }
}

/* ---------- 响应式表格 ---------- */
@media (max-width: 768px) {
  .trade-table {
    font-size: 10px;
  }

  .trade-table th,
  .trade-table td {
    padding: 6px 3px;
  }
}

/* ---------- 自定义滚动条 (全局) ---------- */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ---------- 选中文本颜色 ---------- */
::selection {
  background: var(--blue-bg);
  color: var(--text-primary);
}

/* ---------- 工具类 ---------- */
.text-green {
  color: var(--green-primary);
}

.text-red {
  color: var(--red-primary);
}

.text-gold {
  color: var(--gold-primary);
}

.text-muted {
  color: var(--text-tertiary);
}

.font-mono {
  font-family: var(--font-mono);
}