:root {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --surface-2: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --good: #0ca30c;
  --critical: #d03b3b;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-1: #1a1a19;
    --surface-2: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.1);
    --series-1: #3987e5;
    --series-2: #d95926;
    --good: #0ca30c;
    --critical: #e66767;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--surface-2);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.4;
}

.hidden {
  display: none !important;
}

.screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.login-card {
  width: 320px;
}

.login-card h1 {
  font-size: 20px;
  margin: 0 0 4px;
}

.login-card p {
  color: var(--text-secondary);
  margin: 0 0 16px;
  font-size: 13px;
}

input,
select,
button {
  font: inherit;
  color: inherit;
}

input,
select {
  width: 100%;
  padding: 8px 10px;
  margin: 6px 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 9px 14px;
  background: var(--series-1);
  color: white;
  font-weight: 600;
}

button.secondary {
  background: var(--surface-2);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error {
  color: var(--critical);
  font-size: 13px;
  min-height: 18px;
}

header.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
}

header.app-header h1 {
  font-size: 16px;
  margin: 0;
}

.balance {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 20px;
}

.card h2 {
  font-size: 15px;
  margin: 0 0 12px;
  color: var(--text-secondary);
}

.legend {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.market {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
}

.market-question {
  font-weight: 600;
  margin-bottom: 4px;
}

.market-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.market-score {
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.bet-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.bet-row select,
.bet-row input {
  margin: 0;
  width: auto;
}

.status-settled {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.device-row {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--grid);
}

.device-row input {
  margin: 0;
}