body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #0f1115;
  color: #e6e9ef;
}

code {
  font-family: 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
}

.page-header {
  padding: 32px 48px 12px;
  border-bottom: 1px solid #1e2230;
}

.page-header h1 {
  margin: 0 0 8px;
}

.controls {
  padding: 20px 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  border-bottom: 1px solid #1e2230;
}

.file-input {
  background: #1a1f2b;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.file-input input {
  display: none;
}

button {
  background: #4f6df5;
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #3a57dd;
}

.hint {
  flex-basis: 100%;
  margin: 0;
  color: #9aa3b2;
}

.report {
  padding: 24px 48px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.empty-state {
  padding: 24px;
  background: #1a1f2b;
  border-radius: 12px;
  color: #9aa3b2;
}

.report-meta,
.report-section,
.report-summary {
  background: #161a24;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid #202532;
}

.comparison-summary {
  margin-top: 16px;
  padding: 16px;
  background: #121624;
  border-radius: 12px;
  border: 1px solid #202532;
}

.comparison-summary h4 {
  margin: 0 0 12px;
}

.fastest-panel {
  margin: 24px 48px 0;
  background: #101420;
  border: 1px solid #253049;
  border-radius: 14px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.chart {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chart-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: start;
  padding: 12px;
  background: #1a1f2b;
  border-radius: 10px;
  border: 1px solid #22283a;
}

.chart-label {
  font-weight: 600;
  padding-top: 6px;
}

.chart-bars {
  display: grid;
  gap: 10px;
}

.chart-bar {
  display: grid;
  grid-template-columns: 140px 1fr 100px;
  gap: 12px;
  align-items: center;
}

.bar-label {
  color: #9aa3b2;
  font-size: 0.9rem;
}

.bar-track {
  height: 10px;
  background: #0f121a;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid #22283a;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #4f6df5, #6dd6ff);
}

.bar-value {
  text-align: right;
  color: #e6e9ef;
  font-variant-numeric: tabular-nums;
}

.label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9aa3b2;
}

.pair-detail {
  margin: 6px 0 0;
  color: #9aa3b2;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid #232838;
}

th {
  color: #9aa3b2;
  font-weight: 600;
}

@media (max-width: 900px) {
  .page-header {
    padding: 24px 20px 12px;
  }

  .controls {
    padding: 16px 20px;
  }

  .report {
    padding: 20px;
  }

  .fastest-panel {
    margin: 16px 20px 0;
  }

  .chart-row {
    grid-template-columns: 1fr;
  }

  .chart-bar {
    grid-template-columns: 1fr;
  }

  .bar-value {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .meta-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}