:root {
  --bg: #0b1d3a;
  --card: #12294d;
  --text: #eef3fb;
  --muted: #9fb2cf;
  --error: #ff8a80;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

#app {
  max-width: 28rem;
  margin: 0 auto;
  padding: 1.5rem 1rem env(safe-area-inset-bottom);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  text-align: center;
}

.card {
  background: var(--card);
  border-radius: 0.75rem;
  padding: 1.25rem;
}

.muted { color: var(--muted); }
.small { font-size: 0.8rem; }
.error { color: var(--error); }

footer { margin-top: auto; text-align: center; }

.pick-btn, .submit-btn {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.pick-btn:hover, .submit-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.submit-btn {
  text-align: center;
  font-weight: 600;
  margin-top: 1rem;
}

.joker-btn {
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.4rem;
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.joker-btn--active {
  background: rgba(255, 200, 0, 0.18);
  color: #ffc800;
  border-color: rgba(255, 200, 0, 0.4);
}

input[type="number"] {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0.375rem;
  padding: 0.4rem;
  font-size: 1rem;
  font-family: inherit;
}