* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0f;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --text: #fff;
  --text-dim: rgba(255, 255, 255, 0.5);
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.2);
}

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.back-btn {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  text-decoration: none;
  z-index: 1000;
  transition: all 0.3s ease;
}

.back-btn svg { width: 18px; height: 18px; }

.back-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

.header { text-align: center; margin-bottom: 1rem; }

.title {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.canvas-wrapper { position: relative; margin-bottom: 1rem; }

#antCanvas {
  display: block;
  background: #1a1510;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: crosshair;
  box-shadow: 0 0 60px rgba(245, 158, 11, 0.1), inset 0 0 60px rgba(0, 0, 0, 0.5);
}

.stats {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  display: flex;
  gap: 1rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1rem;
  width: 100%;
  max-width: 900px;
}

.control-group { display: flex; gap: 0.5rem; align-items: center; }

.control-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 6px;
}

.btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}

.slider {
  -webkit-appearance: none;
  width: 80px;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 15px var(--accent);
}

.slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.slider-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  min-width: 30px;
}

.info {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.info strong { color: var(--accent); }

.footer {
  margin-top: auto;
  padding-top: 0.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.75rem;
}

.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .container { padding: 0.75rem; }
  .back-btn { top: 0.5rem; left: 0.5rem; width: 36px; height: 36px; }
  .controls { gap: 0.75rem; }
  .slider { width: 60px; }
}

@media (max-width: 480px) {
  .title { font-size: 1.5rem; }
  .btn { padding: 0.4rem 0.75rem; font-size: 0.7rem; }
}