body {
  margin: 0;
  min-height: 100vh;
  background: #0f172a;
  color: #e2e8f0;
  font-family: system-ui, sans-serif;
}

.layout {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: 1.5rem;
  padding: 1.5rem;
}

canvas {
  background: #020617;
  border: 1px solid #1e293b;
  border-radius: 4px;
}

.panel {
  width: 260px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.panel h1.wordmark {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.wordmark-mark {
  width: 13px;
  height: 13px;
  color: #7dd3fc;
}

.wordmark-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.wordmark-sub {
  align-self: flex-end;
  padding-bottom: 0.16rem;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #64748b;
}

.github-link {
  font-size: 0.75rem;
  color: #7dd3fc;
  text-decoration: none;
  white-space: nowrap;
}

.github-link:hover {
  text-decoration: underline;
}

.panel-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.75rem;
  background: #1e293b;
  border-radius: 6px;
}

.panel-group h2 {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
}

.control output {
  align-self: flex-end;
  font-size: 0.75rem;
  color: #94a3b8;
}

.control-checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.panel-hint {
  margin: 0;
  font-size: 0.8rem;
  color: #94a3b8;
}

.panel-buttons {
  flex-direction: row;
  flex-wrap: wrap;
}

.panel-group button {
  flex: 1;
  padding: 0.4rem 0.6rem;
  background: #334155;
  color: #e2e8f0;
  border: 1px solid #475569;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
}

.panel-group button:hover {
  background: #475569;
}

.panel-readout {
  flex-direction: row;
  justify-content: space-between;
  font-size: 0.85rem;
}

.panel-footer {
  font-size: 0.7rem;
  text-align: center;
  color: #64748b;
}

.panel-footer a {
  color: #7dd3fc;
  text-decoration: none;
}

.panel-footer a:hover {
  text-decoration: underline;
}