:root {
  color-scheme: light;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: #0f1317;
  color: #e9edf2;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 20% 20%, #1d2430, #0b0f14 60%);
}

#app {
  width: min(900px, 92vw);
  display: grid;
  gap: 16px;
}

.header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.02em;
}

#status {
  font-size: 14px;
  color: #9fb1c3;
}

canvas {
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: #000;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.hint {
  margin: 0;
  font-size: 13px;
  color: #a3b2c6;
}

code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 6px;
}