:root {
  --bg: #050505;
  --neon-green: #32FF7E;
  --neon-red: #FF3B6B;
  --neon-blue: #48CAFF;
  --text-primary: #F7F9FF;
  --text-secondary: #8C96A8;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--card-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.2px;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: conic-gradient(from 90deg, var(--neon-green), var(--neon-blue), var(--neon-red), var(--neon-green));
  box-shadow: 0 0 12px rgba(72, 202, 255, 0.5);
}

main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 32px 20px 64px;
}

.panel {
  width: 100%;
  max-width: 560px;
}

.centered {
  text-align: center;
  margin-top: 8vh;
}

.centered h1 {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 12px;
}

.muted {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.signin-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.auth-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.auth-button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.auth-button.apple:hover {
  border-color: rgba(247, 249, 255, 0.5);
}

.auth-button.google:hover {
  border-color: rgba(72, 202, 255, 0.6);
}

.error {
  margin-top: 18px;
  color: var(--neon-red);
  font-size: 13px;
}

.ghost-button {
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.ghost-button:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.3);
}

.summary-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}

.stat-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.sync-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.dot.live {
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(50, 255, 126, 0.7);
}

.dot.error {
  background: var(--neon-red);
  box-shadow: 0 0 8px rgba(255, 59, 107, 0.7);
}

.section-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.chart-block {
  margin-bottom: 28px;
}

.transactions-title {
  margin-bottom: 12px;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.chart-legend {
  display: flex;
  gap: 14px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.legend-swatch {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  display: inline-block;
}

.legend-swatch.positive {
  background: #0FA855;
}

.legend-swatch.negative {
  background: #E0325C;
}

.chart-container {
  position: relative;
  border-radius: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 12px 8px 4px;
}

.chart-svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.chart-bar {
  transition: opacity 0.1s ease;
  cursor: pointer;
}

.chart-bar:hover {
  opacity: 0.85;
}

.chart-end-label {
  font-size: 12px;
  font-weight: 700;
  fill: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Rounded", sans-serif;
}

.chart-axis-label {
  font-size: 10px;
  fill: var(--text-secondary);
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.chart-empty {
  padding: 32px 0;
  text-align: center;
}

.chart-tooltip {
  position: absolute;
  top: 8px;
  transform: translateX(-50%);
  background: rgba(10, 10, 10, 0.95);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  pointer-events: none;
  z-index: 5;
  white-space: nowrap;
}

.chart-tooltip strong {
  color: var(--text-primary);
  font-size: 13px;
}

.chart-tooltip span {
  color: var(--text-secondary);
}

.table-toggle {
  margin-top: 10px;
}

.table-toggle summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  padding: 4px 0;
}

.table-toggle summary:hover {
  color: var(--text-primary);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 8px;
  border-bottom: 1px solid var(--card-border);
}

.data-table td {
  padding: 8px;
  border-bottom: 1px solid var(--card-border);
  font-variant-numeric: tabular-nums;
}

.data-table td.positive {
  color: #32FF7E;
}

.data-table td.negative {
  color: #FF3B6B;
}

.transaction-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.transaction-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}

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

.transaction-amount {
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.transaction-amount.positive {
  color: var(--neon-green);
}

.transaction-amount.negative {
  color: var(--neon-red);
}

.footer {
  text-align: center;
  padding: 18px;
  font-size: 12px;
  color: var(--text-secondary);
  border-top: 1px solid var(--card-border);
}

@media (prefers-color-scheme: light) {
  /* Design is intentionally dark-only, matching the SpinLedger app's fixed theme. */
}