.coin-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  min-height: calc(100vh - var(--appbar-h));
}

.coin-stage {
  width: 100%;
  max-width: 600px;
  background: rgba(15, 118, 110, 0.1);
  border-radius: 20px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.coin-canvas-container {
  width: 100%;
  height: 300px;
  position: relative;
  cursor: pointer;
  border-radius: 15px;
  overflow: hidden;
  background: radial-gradient(circle, #134e4a 0%, #06201e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.coin-canvas-container canvas {
  max-width: 100%;
  max-height: 100%;
}

.coin-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  width: 100%;
}

.coin-settings {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-2);
  font-weight: bold;
}

.coin-settings select {
  padding: 5px 10px;
  border-radius: 8px;
  background: #06201e;
  color: var(--accent-2);
  border: 1px solid var(--accent);
  outline: none;
}

.coin-flip-btn {
  padding: 12px 40px;
  font-size: 1.2rem;
  border-radius: 999px;
  font-weight: bold;
  transition: transform 0.2s, box-shadow 0.2s;
}

.coin-flip-btn:active {
  transform: scale(0.95);
}

.coin-result-text {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-2);
  height: 2rem;
}