:root {
  --background-color: #1a1a1a;
  --surface-color: #2a2a2a;
  --primary-color: #00ffc3;
  --text-color: #f0f0f0;
  --error-color: #ff4757;
  --success-color: #2ed573;
  --border-radius: 12px;
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

@keyframes result-pop {
  0% { transform: scale(0.8); opacity: 0; }
  80% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  background-color: var(--background-color);
  /* Adding a subtle noise texture */
  background-image: linear-gradient(rgba(0,0,0,0.1) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.1) 1px, transparent 1px);
  background-size: 2px 2px;
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

header {
  width: 100%;
  max-width: 800px;
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--surface-color);
}

header h1 {
  margin: 0;
  font-size: 1.5em;
  color: var(--primary-color);
  text-shadow: 0 0 10px var(--primary-color);
}

.earnings-display {
  display: flex;
  flex-direction: column;
  gap: 5px;
  text-align: right;
}

.earnings-display h2 {
  margin: 0;
  font-size: 0.9em;
  color: #ccc;
}

.up-earnings #up-earnings-amount {
  color: var(--success-color);
  font-weight: bold;
  text-shadow: 0 0 8px var(--success-color);
}

.down-earnings #down-earnings-amount {
  color: var(--error-color);
  font-weight: bold;
  text-shadow: 0 0 8px var(--error-color);
}

.balance h2 {
  margin: 0;
  font-size: 1.2em;
}

#balance-amount {
  color: var(--success-color);
  font-weight: bold;
  text-shadow: 0 0 12px var(--success-color);
  transition: all 0.3s ease;
}

main {
  width: 100%;
  max-width: 800px;
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
}

coin-flip-game {
  width: 100%;
  display: block;
  background-color: var(--surface-color);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid #333;
}

/* Add this to the web component's style to apply the animation */
.result-animation {
    animation: result-pop 0.4s ease-out;
}