@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700&family=Roboto:wght@400;700&display=swap');

:root {
  --bg-dark: #181c24;
  --bg-light: #232a36;
  --accent: #00ff99;
  --accent2: #00cfff;
  --danger: #ff3b3b;
  --text-main: #f4f4f4;
  --text-muted: #b0b8c1;
  --shadow: 0 4px 32px 0 rgba(0,255,153,0.15);
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Roboto', Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-light) 100%);
  color: var(--text-main);
  min-height: 100vh;
}

.container {
  max-width: 420px;
  margin: 2rem auto;
  background: rgba(35, 42, 54, 0.98);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  padding: 2rem 1.5rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  text-align: center;
  margin-bottom: 1.5rem;
}

h1 {
  font-family: 'Orbitron', monospace;
  font-size: 2.2rem;
  letter-spacing: 2px;
  color: var(--accent);
  margin: 0 0 0.2em 0;
  text-shadow: 0 0 8px var(--accent2);
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 0.5em;
}

.game-area {
  width: 100%;
  height: 220px;
  background: var(--bg-light);
  border-radius: 1.2rem;
  box-shadow: 0 2px 16px 0 rgba(0,255,153,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  transition: background 0.3s cubic-bezier(.4,2,.6,1);
  cursor: pointer;
  position: relative;
}

.game-area.active {
  background: var(--accent);
  box-shadow: 0 0 32px 0 var(--accent2);
}

.game-area.false-start {
  background: var(--danger);
  box-shadow: 0 0 32px 0 var(--danger);
}

.message {
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-main);
  margin-bottom: 1.2rem;
  text-shadow: 0 0 6px var(--accent2);
}

.start-btn {
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  color: #181c24;
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: 2rem;
  padding: 0.8em 2.2em;
  box-shadow: 0 2px 12px 0 var(--accent2);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  outline: none;
}

.start-btn:active {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scale(0.97);
}

.stats {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin: 1.2rem 0 0.5rem 0;
  gap: 0.5rem;
}

.stat {
  background: #232a36;
  border-radius: 1rem;
  padding: 0.7em 1.1em;
  font-size: 1.05rem;
  color: var(--text-main);
  box-shadow: 0 1px 6px 0 rgba(0,255,153,0.07);
  text-align: center;
  flex: 1 1 0;
}

footer {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 600px) {
  .container {
    padding: 1.2rem 0.5rem 1rem 0.5rem;
    max-width: 98vw;
  }
  .game-area {
    height: 160px;
  }
  .stats {
    flex-direction: column;
    gap: 0.6rem;
  }
  .stat {
    font-size: 1rem;
    padding: 0.6em 0.7em;
  }
}