* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #0d1117;
  color: #e6edf3;
  min-height: 100vh;
}
.wrap {
  max-width: 420px;
  margin: 0 auto;
  padding: 16px;
}
h1 {
  font-size: 1.15rem;
  margin: 0 0 12px;
}
.card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
}
.score {
  display: flex;
  justify-content: space-between;
  font-size: 1.4rem;
  font-weight: 700;
}
.muted {
  color: #8b949e;
  font-size: 0.85rem;
}
label {
  display: block;
  margin: 10px 0 4px;
  font-size: 0.9rem;
}
input[type='range'] {
  width: 100%;
}
.btn {
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  background: #238636;
  color: #fff;
}
.btn:disabled {
  opacity: 0.45;
}
.btn.secondary {
  background: #21262d;
  border: 1px solid #30363d;
}
.status-wait {
  text-align: center;
  padding: 24px 8px;
}
.goal-preview {
  height: 120px;
  background: linear-gradient(#1a472a 0%, #14532d 100%);
  border-radius: 8px;
  position: relative;
  margin-top: 8px;
  border: 2px solid #fff3;
}
.flag-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 10px;
}
.flag-btn {
  padding: 12px 4px;
  border-radius: 10px;
  border: 1px solid #30363d;
  background: #21262d;
  color: #e6edf3;
  font-weight: 700;
  font-size: 0.85rem;
}
.flag-btn.selected {
  border-color: #238636;
  background: #1a3d2a;
}
.flag-btn:disabled {
  opacity: 0.35;
}
.dot {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.dot.ball {
  background: #fff;
}
.dot.keeper {
  background: #fbbf24;
  width: 28px;
  height: 28px;
  opacity: 0.9;
}
.flash {
  animation: pulse 0.6s ease;
}
@keyframes pulse {
  from {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
  to {
    transform: scale(1);
  }
}