body {
  font-family: 'UnifrakturCook', cursive;
  min-height: 100vh;
  width: 100vw;
  background: linear-gradient(135deg, #26006f, #0c1631 85%);
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.container {
  text-align: center;
  background: rgba(27, 20, 68, 0.93);
  border-radius: 22px;
  box-shadow: 0 4px 48px #0c1332;
  padding: 36px 24px;
}
.minimal-header {
  font-family: 'Montserrat', sans-serif;
  color: #fff;
  font-size: 2.3rem;
  font-weight: 600;
  letter-spacing: .05em;
  margin-bottom: 24px;
}
input {
  padding: 10px;
  width: 240px;
  font-size: 18px;
  font-family: 'Fira Mono', monospace;
  border-radius: 7px;
  border: none;
  margin-bottom: 10px;
  text-transform: uppercase;
  outline: none;
}
button {
  padding: 10px 18px;
  margin: 6px 2px;
  font-size: 16px;
  cursor: pointer;
  border: none;
  border-radius: 9px;
  background: linear-gradient(90deg, #1b83ed, #764fc8);
  color: #fff;
  font-family: 'Fira Mono', monospace;
  font-weight: 700;
  transition: background 0.18s;
}
button:hover {
  background-position: right center;
  background: linear-gradient(90deg, #764fc8, #1b83ed);
}
.canvas-wrapper {
  margin-top: 28px;
  padding: 0;
  display: flex;
  justify-content: center;
}
canvas {
  border: none;
  max-width: 90vw;
  max-height: 72vh;
  background: transparent;
  display: block;
}