/* ==========================================================================
   Grok Desk - Binance 公共现货只读行情看板
   纯静态前端原型样式表 · 无外部CDN · 无远程字体 · 系统字体栈 · 响应式支持下限 320px
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS 变量与设计系统令牌
   -------------------------------------------------------------------------- */
:root {
  /* 背景层次 */
  --bg-deep: #07090e;
  --bg-surface-1: #0d121c;
  --bg-surface-2: #121824;
  --bg-surface-3: #182030;
  --bg-hover: #1f2a3e;

  /* 边框色 */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(0, 240, 255, 0.16);
  --border-bright: rgba(0, 240, 255, 0.45);

  /* 主题色系 */
  --cyan-primary: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.25);
  --green-positive: #00e676;
  --green-glow: rgba(0, 230, 118, 0.25);
  --red-negative: #ff3366;
  --red-glow: rgba(255, 51, 102, 0.25);
  --amber-warning: #ffb800;
  --amber-glow: rgba(255, 184, 0, 0.25);

  /* 文本颜色 */
  --text-high: #f0f4fc;
  --text-medium: #8fa0b5;
  --text-muted: #526278;
  --text-dim: #354153;

  /* 字体族定义 (严格系统字体，无远程依赖) */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* 阴影与微光 */
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.45);
  --shadow-glow-cyan: 0 0 16px rgba(0, 240, 255, 0.2);
  --shadow-glow-green: 0 0 14px rgba(0, 230, 118, 0.2);
  --shadow-glow-red: 0 0 14px rgba(255, 51, 102, 0.2);

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* --------------------------------------------------------------------------
   2. 基础重置与全局设置
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  color-scheme: dark;
  background-color: var(--bg-deep);
  color: var(--text-high);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at 50% 20%, rgba(0, 240, 255, 0.03) 0%, transparent 60%),
              radial-gradient(circle at 85% 75%, rgba(0, 230, 118, 0.02) 0%, transparent 50%),
              var(--bg-deep);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* 键盘可访问性焦点轮廓 */
:focus-visible {
  outline: 2px solid var(--cyan-primary);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   3. 布局外容器
   -------------------------------------------------------------------------- */
.app-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 12px 16px 32px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   4. 顶部状态栏与数据源声明
   -------------------------------------------------------------------------- */
.top-status-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.status-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.brand-badge {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  color: var(--cyan-primary);
  text-shadow: 0 0 10px var(--cyan-glow);
}

.source-tag {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-high);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.host-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan-primary);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-medium);
  padding: 2px 8px;
  border-radius: 12px;
}

.status-indicators {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.connection-status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-sans);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-dim);
  display: inline-block;
}

/* 状态色映射 */
.status-loading .status-dot {
  background-color: var(--cyan-primary);
  box-shadow: 0 0 8px var(--cyan-primary);
  animation: pulse-dot 1.2s infinite ease-in-out;
}

.status-connected .status-dot {
  background-color: var(--green-positive);
  box-shadow: 0 0 8px var(--green-positive);
}
.status-connected {
  border-color: rgba(0, 230, 118, 0.3);
  color: var(--green-positive);
}

.status-stale .status-dot {
  background-color: var(--amber-warning);
  box-shadow: 0 0 8px var(--amber-warning);
}
.status-stale {
  border-color: rgba(255, 184, 0, 0.3);
  color: var(--amber-warning);
}

.status-error .status-dot {
  background-color: var(--red-negative);
  box-shadow: 0 0 8px var(--red-negative);
}
.status-error {
  border-color: rgba(255, 51, 102, 0.3);
  color: var(--red-negative);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.3; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.2); }
}

.status-meta {
  font-size: 0.82rem;
  color: var(--text-medium);
  display: flex;
  align-items: center;
  gap: 4px;
}

.meta-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--text-high);
}

.polling-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.status-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg-surface-2);
  color: var(--text-high);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 32px;
}

.btn:hover {
  background: var(--bg-surface-3);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
}

.btn:active {
  transform: translateY(1px);
}

.btn-icon {
  font-size: 0.95rem;
  line-height: 1;
}

/* --------------------------------------------------------------------------
   5. 合规声明条 & 警示横幅
   -------------------------------------------------------------------------- */
.notice-banner {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.08) 0%, rgba(13, 18, 28, 0.8) 100%);
  border-left: 4px solid var(--cyan-primary);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
}

.notice-content {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
}

.notice-icon {
  font-size: 1rem;
}

.notice-primary {
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
}

.notice-secondary {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-medium);
  letter-spacing: 0.06em;
}

.stale-banner {
  background: rgba(255, 184, 0, 0.12);
  border: 1px solid var(--amber-warning);
  color: #ffdc73;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-icon {
  font-size: 1.1rem;
  color: var(--amber-warning);
}

.hidden {
  display: none !important;
}

/* --------------------------------------------------------------------------
   6. 模式切换条 (EDGE / KELLY / TAKER / CLOSER 纯UI展示，非交易语义)
   -------------------------------------------------------------------------- */
.mode-strip-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 14px;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}

.mode-strip-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mode-strip-title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--text-medium);
}

.mode-strip-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.mode-strip {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mode-tab {
  position: relative;
  background: var(--bg-surface-2);
  color: var(--text-medium);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mode-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--text-dim);
  transition: all 0.3s ease;
}

.mode-tab.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  box-shadow: 0 0 10px var(--cyan-glow);
}

.mode-tab.active .mode-indicator {
  background-color: var(--cyan-primary);
  box-shadow: 0 0 6px var(--cyan-primary);
}

/* --------------------------------------------------------------------------
   7. 主三栏看板网格
   -------------------------------------------------------------------------- */
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(320px, 360px) minmax(340px, 1fr) minmax(360px, 480px);
  gap: 12px;
  align-items: stretch;
}

.panel {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.panel-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-high);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.04em;
}

.title-decor {
  color: var(--cyan-primary);
}

.panel-source-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-primary);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-medium);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.panel-decor-badge {
  font-size: 0.72rem;
  color: var(--text-medium);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   8. 左栏：币种选择器、行情主卡与逐时走势
   -------------------------------------------------------------------------- */
.symbol-selector {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
}

.symbol-btn {
  background: var(--bg-surface-2);
  color: var(--text-medium);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 2px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.symbol-btn:hover {
  background: var(--bg-surface-3);
  color: var(--cyan-primary);
}

.symbol-btn.active {
  background: rgba(0, 240, 255, 0.14);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  box-shadow: 0 0 8px var(--cyan-glow);
}

.quote-card {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quote-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.symbol-info {
  display: flex;
  align-items: center;
  gap: 6px;
}

.symbol-name {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #fff;
}

.market-tag {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  color: var(--text-medium);
}

.badge-stale {
  font-size: 0.72rem;
  color: var(--amber-warning);
  background: rgba(255, 184, 0, 0.15);
  border: 1px solid var(--amber-warning);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

.quote-main-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.price-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-high);
}

.price-currency {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-medium);
}

.quote-change-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
}

.change-badge {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
}

.change-badge.positive {
  background: rgba(0, 230, 118, 0.15);
  color: var(--green-positive);
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.change-badge.negative {
  background: rgba(255, 51, 102, 0.15);
  color: var(--red-negative);
  border: 1px solid rgba(255, 51, 102, 0.3);
}

.change-badge.neutral {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-medium);
  border: 1px solid var(--border-subtle);
}

.change-amount-wrapper {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

#quote-change-amount {
  color: var(--text-medium);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 10px;
  padding-top: 6px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 4px;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-label {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.metric-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-high);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 24小时走势图容器 */
.hourly-chart-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.chart-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-high);
}

.chart-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 150px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.dashboard-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.chart-overlay-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(13, 18, 28, 0.88);
  backdrop-filter: blur(2px);
  color: var(--text-medium);
  font-size: 0.85rem;
  padding: 12px;
  text-align: center;
  z-index: 2;
  transition: opacity 0.2s ease;
}

.placeholder-icon {
  font-size: 1.5rem;
  color: var(--cyan-primary);
}

.chart-footer-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   9. 中栏：中央装饰粒子球 (纯视觉，可独立暂停)
   -------------------------------------------------------------------------- */
.panel-center {
  align-items: center;
  justify-content: space-between;
  min-height: 440px;
  background: radial-gradient(circle at center, rgba(0, 240, 255, 0.05) 0%, var(--bg-surface-1) 70%);
}

.center-panel-header {
  width: 100%;
}

.orb-viewport {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: auto 0;
}

.orb-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.orb-overlay-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  padding: 18px 10px;
}

.orb-ring-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.8);
}

.orb-center-badge {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7, 9, 14, 0.75);
  border: 1px solid var(--border-medium);
  padding: 4px 12px;
  border-radius: 20px;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
}

.badge-ring {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-primary);
  margin-right: 6px;
  box-shadow: 0 0 6px var(--cyan-primary);
}

.badge-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-primary);
}

.orb-control-strip {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding-top: 6px;
  border-top: 1px solid var(--border-subtle);
}

.orb-control-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
}

.reduced-motion-tag {
  font-size: 0.7rem;
  color: var(--amber-warning);
  background: rgba(255, 184, 0, 0.1);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   10. 右栏：信号光谱矩阵 (SIGNAL SPECTROGRAM)
   -------------------------------------------------------------------------- */
.panel-right {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.spectrogram-desc-bar {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.75rem;
}

.spec-unit-tag {
  color: var(--text-medium);
}

.spec-unit-tag code,
.spec-source-tag code {
  font-family: var(--font-mono);
  color: var(--cyan-primary);
}

.spec-source-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.spectrogram-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin: 2px 0;
}

.legend-gradient {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, #ff3366, #3a1925, #121824);
}

.legend-gradient-pos {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, #121824, #12382a, #00e676);
}

.spectrogram-container {
  position: relative;
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px;
  min-height: 250px;
  overflow-x: auto;
}

.matrix-grid {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 380px;
}

.matrix-header-row {
  display: grid;
  grid-template-columns: 54px repeat(24, 1fr);
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
  padding-bottom: 2px;
}

.matrix-row {
  display: grid;
  grid-template-columns: 54px repeat(24, 1fr);
  gap: 2px;
  align-items: center;
}

.matrix-row-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-high);
  text-align: left;
  padding-right: 4px;
}

.matrix-cell {
  aspect-ratio: 1 / 1;
  min-width: 10px;
  border-radius: 2px;
  background: var(--bg-surface-3);
  border: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.matrix-cell:hover,
.matrix-cell:focus-visible {
  transform: scale(1.35);
  z-index: 10;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
  border-color: var(--cyan-primary);
  outline: none;
}

.cell-detail-card {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 0.78rem;
  color: var(--text-medium);
  min-height: 52px;
  display: flex;
  align-items: center;
}

.detail-active-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.detail-col {
  display: flex;
  flex-direction: column;
}

.detail-col-label {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.detail-col-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-high);
}

/* --------------------------------------------------------------------------
   11. 下方统计散点/离散图表区
   -------------------------------------------------------------------------- */
.lower-charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.lower-chart-card {
  padding: 12px;
}

.chart-title-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chart-field-source {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.chart-field-source code {
  font-family: var(--font-mono);
  color: var(--cyan-primary);
}

.badge-field {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-medium);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.lower-canvas-wrap {
  position: relative;
  width: 100%;
  height: 180px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   12. 底部合规声明与技术规格
   -------------------------------------------------------------------------- */
.dashboard-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 16px;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-top: 4px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-high);
}

.footer-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.footer-text code {
  font-family: var(--font-mono);
  color: var(--cyan-primary);
  background: rgba(0, 240, 255, 0.06);
  padding: 1px 4px;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   13. 响应式布局与媒体查询 (适应下限至 320px)
   -------------------------------------------------------------------------- */
@media (max-width: 1240px) {
  .dashboard-grid {
    grid-template-columns: minmax(300px, 340px) 1fr;
  }
  .panel-right {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .lower-charts-grid {
    grid-template-columns: 1fr;
  }
  .dashboard-footer {
    grid-template-columns: 1fr;
  }
  .panel-center {
    min-height: 360px;
  }
  .orb-viewport {
    max-width: 320px;
  }
}

@media (max-width: 540px) {
  .app-container {
    padding: 8px 8px 24px 8px;
    gap: 8px;
  }
  .top-status-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .status-indicators {
    width: 100%;
    justify-content: space-between;
  }
  .status-actions {
    width: 100%;
    justify-content: flex-start;
  }
  .symbol-selector {
    grid-template-columns: repeat(3, 1fr);
  }
  .price-val {
    font-size: 1.6rem;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   14. 减弱动态效果 (prefers-reduced-motion)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .status-dot {
    animation: none !important;
  }
}