:root {
  --text: #111111;
  --muted: #4b5563;
  --accent: #00f0ff;
  --accent-2: #ff00d4;
  --border: #111111;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Courier New", Courier, monospace;
  background: #ffffff;
  color: var(--text);
  line-height: 1.5;
}

.app-shell {
  width: min(900px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 3rem;
}

.hero {
  text-align: center;
  margin-bottom: 1.5rem;
}

.eyebrow {
  margin: 0 0 0.4rem;
  letter-spacing: 0.3em;
  font-size: 0.8rem;
  color: var(--accent-2);
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.subtitle {
  margin: 0.6rem auto 0;
  max-width: 620px;
  color: var(--muted);
}

.controls {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

button {
  border: 2px solid var(--border);
  padding: 0.8rem 1.2rem;
  background: #111111;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--accent);
}

button:hover {
  box-shadow: 4px 4px 0 var(--accent-2);
}

button:disabled {
  opacity: 0.8;
  cursor: wait;
}

.helper-text {
  margin: 0 0 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.reels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.reel-card {
  border: 2px solid var(--border);
  padding: 0.8rem;
  background: #ffffff;
}

.reel-card h3 {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.reel {
  min-height: 120px;
  display: grid;
  place-items: center;
  padding: 0.8rem;
  border: 2px solid var(--border);
  background: #ffffff;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.reel.is-active {
  border-color: var(--accent-2);
}

.result-line {
  margin: 0;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 720px) {
  .reels {
    grid-template-columns: 1fr;
  }
}