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

body {
  background: #0a0a1a;
  color: #e0e0e0;
  font-family: 'Courier New', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

header {
  text-align: center;
  padding: 20px 10px 10px;
}

header h1 {
  font-size: 1.8rem;
  letter-spacing: 4px;
  color: #00ff88;
  text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

header .subtitle {
  font-size: 0.75rem;
  color: #666;
  margin-top: 4px;
}

/* Game area */
.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px;
}

#game-canvas {
  border: 1px solid #1a1a3a;
  border-radius: 4px;
  cursor: none;
  max-width: 100%;
  height: auto;
}

/* Controls bar */
.controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 10px;
  flex-wrap: wrap;
}

.controls button {
  background: #1a1a3a;
  color: #e0e0e0;
  border: 1px solid #333;
  padding: 8px 18px;
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.15s, border-color 0.15s;
}

.controls button:hover {
  background: #2a2a4a;
  border-color: #00ff88;
}

.controls button.active {
  background: #00ff88;
  color: #0a0a1a;
  border-color: #00ff88;
}

.controls label {
  font-size: 0.75rem;
  color: #888;
  display: flex;
  align-items: center;
  gap: 6px;
}

.controls input[type="range"] {
  width: 100px;
  accent-color: #00ff88;
}

.stats-bar {
  display: flex;
  gap: 20px;
  justify-content: center;
  padding: 4px 10px 8px;
  font-size: 0.75rem;
  color: #888;
}

.stats-bar span {
  white-space: nowrap;
}

.stats-bar .value {
  color: #00ff88;
}

/* Dashboard */
.dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 10px 20px 30px;
  max-width: 860px;
  margin: 0 auto;
}

.panel {
  background: #0f0f24;
  border: 1px solid #1a1a3a;
  border-radius: 6px;
  padding: 10px;
  height: 200px;
  overflow: hidden;
}

.panel .panel-title {
  font-size: 0.7rem;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.panel canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Network panel spans more */
.panel.network {
  grid-column: 1 / -1;
  height: 280px;
}

.panel.inputs-panel {
  grid-column: 1 / 2;
}

@media (max-width: 800px) {
  .dashboard {
    grid-template-columns: repeat(2, 1fr);
    padding: 10px;
  }
  .panel.network {
    grid-column: 1 / -1;
  }
}

@media (max-width: 500px) {
  .dashboard {
    grid-template-columns: 1fr;
  }
  .panel.network {
    grid-column: 1;
  }
  header h1 {
    font-size: 1.3rem;
  }
}