:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-card-hover: #1f2b3d;
  --border: #2a3a4e;
  --text-primary: #e8edf5;
  --text-secondary: #8b95a8;
  --text-muted: #5a6578;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-yellow: #f59e0b;
  --accent-purple: #8b5cf6;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

.dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* 顶部标题栏 */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.subtitle {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

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

.update-time {
  font-size: 13px;
  color: var(--text-secondary);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s;
}

.status-dot.online { background: var(--accent-green); box-shadow: 0 0 8px rgba(16,185,129,0.5); }
.status-dot.error { background: var(--accent-red); box-shadow: 0 0 8px rgba(239,68,68,0.5); }

/* 核心指标卡片 */
.metrics-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: transform 0.2s, border-color 0.2s;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-blue);
}

.metric-card.primary {
  background: linear-gradient(135deg, #1a2744 0%, #162040 100%);
  border-color: var(--accent-blue);
}

.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.metric-value {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}

.metric-card.primary .metric-value {
  font-size: 48px;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-sub {
  font-size: 14px;
  margin-top: 6px;
  font-weight: 600;
}

.metric-sub.up { color: var(--accent-green); }
.metric-sub.down { color: var(--accent-red); }

.metric-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

.metric-card.asset-card {
  background: linear-gradient(135deg, #1a2e1a 0%, #162016 100%);
  border-color: var(--accent-green);
}

.metric-card.asset-card .metric-value {
  font-size: 28px;
  color: var(--accent-green);
}

/* USD/JPY 详细报价 */
.quotes-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.quote-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.quote-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.currency-flag {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: white;
}

.currency-name {
  font-size: 16px;
  font-weight: 600;
}

.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.quote-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.quote-label {
  font-size: 12px;
  color: var(--text-muted);
}

.quote-value {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.quote-value.buy { color: var(--accent-green); }
.quote-value.sell { color: var(--accent-red); }

/* 图表 */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.chart-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.chart-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.chart-controls {
  display: flex;
  gap: 8px;
}

.chart-btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.chart-btn:hover { border-color: var(--accent-blue); color: var(--text-primary); }
.chart-btn.active { background: var(--accent-blue); border-color: var(--accent-blue); color: white; }

.chart-container {
  height: 350px;
  position: relative;
}

/* 通知与策略 */
.notify-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.notify-panel, .all-rates-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.notify-panel h2, .all-rates-panel h2 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.notify-config { display: flex; flex-direction: column; gap: 12px; }

.notify-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.notify-row label {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.notify-row input[type="number"] {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  width: 100%;
}

.notify-row select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  width: 100%;
}

.notify-row select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.holding-hint {
  font-size: 12px;
  color: var(--accent-yellow);
  margin-top: 2px;
}

.notify-row input[type="number"]:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.notify-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-blue);
}

.notify-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.btn {
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  flex: 1;
}

.btn-buy { background: var(--accent-green); color: white; }
.btn-buy:hover { background: #0d9668; }
.btn-sell { background: var(--accent-purple); color: white; }
.btn-sell:hover { background: #7c3aed; }
.btn-save { background: var(--accent-blue); color: white; }
.btn-save:hover { background: #2563eb; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.notify-status {
  margin-top: 12px;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 6px;
  display: none;
}

.notify-status.success { display: block; background: rgba(16,185,129,0.1); color: var(--accent-green); border: 1px solid rgba(16,185,129,0.2); }
.notify-status.error { display: block; background: rgba(239,68,68,0.1); color: var(--accent-red); border: 1px solid rgba(239,68,68,0.2); }

/* 动态阈值展示 */
.dynamic-thresholds {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.threshold-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.threshold-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.threshold-value {
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

.threshold-value.accent-green { color: var(--accent-green); }
.threshold-value.accent-purple { color: var(--accent-purple); }

/* 全部汇率表 */
.table-wrapper {
  overflow-x: auto;
  max-height: 350px;
  overflow-y: auto;
}

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

thead th {
  position: sticky;
  top: 0;
  background: var(--bg-card);
  padding: 10px 12px;
  text-align: left;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  z-index: 1;
}

tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(42,58,78,0.4);
  font-variant-numeric: tabular-nums;
}

tbody tr:hover { background: var(--bg-card-hover); }
tbody tr.highlight { background: rgba(59,130,246,0.08); }

/* 汇率计算器 + 持仓模拟 */
.tools-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.calc-panel, .position-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.calc-panel h2, .position-panel h2 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
  align-items: end;
}

.calc-group label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.calc-group select, .calc-group input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  width: 100%;
}

.calc-group select:focus, .calc-group input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.btn-calc {
  background: var(--accent-blue);
  color: white;
  padding: 8px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.btn-calc:hover { background: #2563eb; }

.calc-result {
  margin-top: 14px;
  padding: 14px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.8;
  display: none;
}

.calc-result.show { display: block; }

.calc-result .result-main {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 4px;
}

.calc-result .result-detail { color: var(--text-secondary); font-size: 13px; }

.position-config {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pos-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pos-row label {
  font-size: 12px;
  color: var(--text-muted);
}

.pos-row input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
}

.pos-row input:focus { outline: none; border-color: var(--accent-blue); }

.pos-row.full { grid-column: 1 / -1; }

.position-summary {
  margin-top: 14px;
  display: none;
}

.position-summary.show { display: block; }

.pos-card {
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.6;
}

.pos-card.profit { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.15); }
.pos-card.loss { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.15); }
.pos-card.neutral { background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.15); }

.pos-value {
  font-size: 18px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.pos-value.profit { color: var(--accent-green); }
.pos-value.loss { color: var(--accent-red); }

.pos-suggestion {
  margin-top: 10px;
  padding: 10px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: 8px;
  font-size: 13px;
  color: var(--accent-yellow);
}

/* 策略说明 */
.strategy-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.strategy-section h2 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.strategy-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.strategy-card {
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.buy-strategy { background: rgba(16,185,129,0.05); border-color: rgba(16,185,129,0.2); }
.sell-strategy { background: rgba(139,92,246,0.05); border-color: rgba(139,92,246,0.2); }

.strategy-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.buy-strategy h3 { color: var(--accent-green); }
.sell-strategy h3 { color: var(--accent-purple); }

.strategy-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.flow-step {
  padding: 8px 12px;
  background: rgba(255,255,255,0.05);
  border-radius: 6px;
  font-size: 13px;
  text-align: center;
  line-height: 1.4;
}

.flow-step small { color: var(--text-muted); }

.flow-arrow {
  color: var(--text-muted);
  font-size: 18px;
}

.strategy-tip {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.strategy-tip strong { color: var(--accent-yellow); }

/* 底部 */
.footer {
  text-align: center;
  padding: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

/* 加载动画 */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.loading .metric-value { animation: pulse 1.5s infinite; }

/* 响应式 */
@media (max-width: 1024px) {
  .metrics-row { grid-template-columns: 1fr; }
  .quotes-row { grid-template-columns: 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .notify-section { grid-template-columns: 1fr; }
  .strategy-cards { grid-template-columns: 1fr; }
  .tools-section { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .position-config { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .dashboard { padding: 12px; }
  .header { flex-direction: column; gap: 10px; text-align: center; }
  .metric-card.primary .metric-value { font-size: 36px; }
  .metric-value { font-size: 28px; }
  .chart-container { height: 250px; }
  .strategy-flow { justify-content: center; }
  .notify-actions { flex-direction: column; }
}