:root {
  --bg: #0F1117;
  --surface: #1A1D27;
  --surface2: #232635;
  --border: rgba(255, 255, 255, 0.08);
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --blue: #3B82F6;
  --green: #22C55E;
  --red: #EF4444;
  --amber: #F59E0B;
  --purple: #8B5CF6;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, Inter, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.header h1 {
  font-size: 22px;
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-left: 12px;
}

.badge.paper {
  background: #f59e0b26;
  color: var(--amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

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

/* Promotion banner */
.promotion-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #22c55e1a;
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.promotion-banner .banner-icon {
  font-size: 24px;
}

.promotion-banner code {
  background: #ffffff1a;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 12px;
}

/* Metrics grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.metric-title {
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-value {
  font-size: 22px;
  font-weight: 600;
}

.metric-subtitle {
  color: var(--text-muted);
  font-size: 11px;
}

.progress-bar {
  height: 3px;
  background: #ffffff14;
  border-radius: 2px;
  margin-top: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* Sections */
.section {
  margin-bottom: 32px;
}

.section h2 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.chart-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.empty-chart,
.empty-table {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

/* Trade table */
.table-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow-x: auto;
}

.trade-table {
  width: 100%;
  border-collapse: collapse;
}

.trade-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.trade-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.trade-table tr:last-child td {
  border-bottom: none;
}

.trade-table tr:hover td {
  background: #ffffff05;
}

.market-question {
  max-width: 360px;
  color: var(--text-muted);
}

.direction-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.direction-badge.yes {
  background: #22c55e1a;
  color: var(--green);
}

.direction-badge.no {
  background: #ef44441a;
  color: var(--red);
}

/* Loading */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 16px;
  color: var(--text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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