:root {
  color-scheme: light;
  --bg: #f4f7ff;
  --text: #19213a;
  --muted: #4c587d;
  --accent: #1f6feb;
  --warning: #a05a00;
  --surface: #ffffff;
  --surface-border: #d8e0f5;
  --table-bg: #e9f7ef;
  --table-border: #7cbf95;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #ffffff 0%, var(--bg) 55%);
}

.app {
  width: min(1400px, 98vw);
}

.topbar h1 {
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
}

.table-wrapper {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
  min-height: 280px;
  border: 1px solid var(--surface-border);
  box-shadow: 0 8px 22px rgb(19 42 90 / 8%);
}

#tableCanvas {
  display: block;
  width: 100%;
  height: min(56vh, 520px);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
}

.section-title {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--accent);
}

.table-panel th,
.table-panel td {
  padding: 0.28rem 0;
  color: var(--muted);
  font-size: 0.86rem;
  border: 0;
}

.table-panel th {
  font-weight: 600;
}

.paused-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgb(255 252 244 / 92%);
  border: 1px solid var(--warning);
  color: var(--warning);
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.5rem;
  border-radius: 7px;
}

.hidden {
  display: none;
}

.math-block {
  background: #f0f4ff;
  border: 1px solid var(--surface-border);
  color: var(--text);
  line-height: 1.55;
  font-size: 0.82rem;
}

.math-block b {
  color: var(--accent);
}


@media (min-width: 576px) {
  #tableCanvas {
    height: min(62vh, 620px);
  }
}

@media (min-width: 992px) {
  #tableCanvas {
    height: min(72vh, 720px);
  }

  .table-panel th,
  .table-panel td {
    font-size: 0.9rem;
  }
}