:root {
  --bg: #0B0B0B;
  --text: #FFFFFF;
  --text-dim: #A0A0A0;
  --accent: #FF4D00;
  --accent-light: #FF7A00;
}

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

.container {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

button {
  border: none;
  border-radius: 12px;
  padding: 14px 28px;
  font-size: 18px;
  color: white;
  background: var(--accent);
}

.start-btn {
  width: 70%;
  height: 140px;
  font-size: 26px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  box-shadow: 0 0 25px rgba(255, 77, 0, 0.5);
}

button {
  transition: 0.2s;
  cursor: pointer;
}

button:active {
  transform: scale(0.96);
}

button[disabled] {
  background: #444;
  cursor: not-allowed;
}

#splash {
  position: fixed;
  inset: 0;
  background: #0B0B0B;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

#splash h1 {
  color: #FF4D00;
  font-size: 42px;
  letter-spacing: 2px;
}