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

body {
  background: #0f0f13;
  color: #e2e2f0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  padding: 40px 20px;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

header h1 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
}

.subtitle {
  font-size: 14px;
  color: #6a6a8a;
  margin-top: 5px;
}

/* Platform status row */
.platforms {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.platform-status {
  background: #1a1a24;
  border: 1px solid #2e2e42;
  border-radius: 8px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.platform-label {
  font-size: 13px;
  font-weight: 600;
  color: #a0a0c0;
}

.status { font-size: 12px; color: #6a6a8a; }
.status.loading { color: #f0a500; }
.status.ok      { color: #4ade80; }
.status.error   { color: #f87171; }

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
}

.meta { font-size: 13px; color: #6a6a8a; flex: 1; }

.filter-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #a0a0c0;
  cursor: pointer;
  user-select: none;
}

.filter-label input { cursor: pointer; accent-color: #5b4cf5; }

/* Cards */
.grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: #1a1a24;
  border: 1px solid #2e2e42;
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s;
}

.card.arb {
  border-color: #4ade80;
  box-shadow: 0 0 14px rgba(74, 222, 128, 0.08);
}

.card-title {
  font-size: 15px;
  font-weight: 500;
  color: #e2e2f0;
  line-height: 1.45;
}

.arb-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(74, 222, 128, 0.12);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.35);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  width: fit-content;
}

/* Market comparison row */
.markets {
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  align-items: center;
  gap: 10px;
}

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

.platform-name {
  font-size: 11px;
  font-weight: 700;
  color: #6a6a8a;
  text-transform: uppercase;
  letter-spacing: 0.7px;
}

.prices {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.price {
  font-size: 13px;
  font-family: "Courier New", monospace;
  padding: 3px 8px;
  border-radius: 4px;
  background: #12121a;
  color: #c8c8e0;
  border: 1px solid transparent;
}

.price.cheaper {
  border-color: #5b4cf5;
  color: #a48fff;
  background: rgba(91, 76, 245, 0.15);
}

.market-link {
  display: inline-block;
  font-size: 12px;
  color: #5b4cf5;
  text-decoration: none;
  transition: color 0.15s;
}

.market-link:hover { color: #a48fff; text-decoration: underline; }

/* Delta column */
.divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.diff {
  font-size: 11px;
  color: #6a6a8a;
  background: #12121a;
  padding: 4px 6px;
  border-radius: 5px;
  white-space: nowrap;
  text-align: center;
}

.diff.notable { color: #f0a500; background: rgba(240, 165, 0, 0.1); }
.diff.large   { color: #f87171; background: rgba(248, 113, 113, 0.1); }

.kalshi-title {
  font-size: 11px;
  color: #5a5a7a;
  font-style: italic;
  line-height: 1.4;
  margin-bottom: 2px;
}

.match-score {
  font-size: 11px;
  color: #3a3a5a;
}

.empty {
  color: #6a6a8a;
  font-size: 14px;
  text-align: center;
  padding: 60px 20px;
}

@media (max-width: 560px) {
  .markets { grid-template-columns: 1fr; }
  .divider { align-items: flex-start; }
}