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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Site navigation */
.site-nav {
  display: flex;
  gap: 18px;
  padding-bottom: 14px;
  margin-bottom: 24px;
  border-bottom: 1px solid #21262d;
  flex-wrap: wrap;
}
.site-nav a {
  color: #8b949e;
  text-decoration: none;
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: 4px;
}
.site-nav a:hover {
  color: #c9d1d9;
  background: #21262d;
}
.site-nav a.active {
  color: #58a6ff;
  font-weight: 600;
}

header {
  margin-bottom: 32px;
}

h1 {
  font-size: 1.5rem;
  color: #58a6ff;
  margin-bottom: 8px;
}

h2 {
  font-size: 1.1rem;
  color: #58a6ff;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid #21262d;
}

#config-summary {
  font-size: 0.8rem;
  color: #8b949e;
}

section {
  margin-bottom: 32px;
}

/* Stat cards */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.stat-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 16px;
}

.stat-card .label {
  font-size: 0.75rem;
  color: #8b949e;
  margin-bottom: 4px;
}

.stat-card .value {
  font-size: 1.4rem;
  font-weight: 700;
  color: #c9d1d9;
}

.stat-card .value.positive { color: #3fb950; }
.stat-card .value.negative { color: #f85149; }

.positive { color: #3fb950; }
.negative { color: #f85149; }

.contract-btn {
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 6px 12px;
  color: #c9d1d9;
  font-size: 0.8rem;
  cursor: pointer;
}

.contract-btn:hover {
  border-color: #58a6ff;
  background: #161b22;
}

.view-toggle, .segment-toggle {
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 4px 12px;
  color: #c9d1d9;
  font-size: 0.75rem;
  cursor: pointer;
}

.view-toggle:hover, .segment-toggle:hover {
  border-color: #58a6ff;
}

.view-toggle.active, .segment-toggle.active {
  background: #1f6feb;
  border-color: #58a6ff;
  color: #fff;
}

/* Charts */
.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.chart-container {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 16px;
  position: relative;
}

.chart-container.wide {
  max-height: 400px;
}

/* Table */
.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

th {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid #30363d;
  color: #8b949e;
  font-weight: 500;
  cursor: pointer;
}

th:hover { color: #58a6ff; }

td {
  padding: 8px;
  border-bottom: 1px solid #21262d;
}

tr:hover { background: #161b22; }

tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #1f2937; }

/* Game detail */
#game-detail-content {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 16px;
  font-size: 0.8rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.detail-section h3 {
  font-size: 0.85rem;
  color: #58a6ff;
  margin-bottom: 8px;
}

.action-log {
  max-height: 300px;
  overflow-y: auto;
  font-family: monospace;
  font-size: 0.7rem;
  line-height: 1.6;
}

.action-log .build { color: #58a6ff; }
.action-log .sell { color: #3fb950; }
.action-log .contract { color: #f0883e; }

@media (max-width: 768px) {
  .chart-row { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}