* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui;
  background: #2f3338;
  color: #f4f4f4;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;

  /* Prevent page from scrolling when joystick is active */
  overflow-x: hidden;
}

#game-wrapper {
  width: 100%;
  max-width: 900px;
  padding: 10px;
}

#header {
  text-align: center;
  margin-bottom: 10px;
}

#header h1 {
  margin: 0 0 5px;
  font-size: 1.4rem;
}

#top-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: 8px;
}

.stat {
  padding: 4px 8px;
  background: #41464f;
  border-radius: 6px;
}

button {
  background: #f6c453;
  color: #222;
  border: none;
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-weight: 600;
}

#game-container {
  background: #202328;
  padding: 8px;
  border-radius: 10px;
  box-shadow: 0 0 12px rgba(0,0,0,0.4);
}

#gameCanvas {
  width: 100%;
  background: #808080;
  border-radius: 6px;
  max-height: 70vh;
  display: block;

  /* Prevent touch scroll during gameplay */
  touch-action: none;
}

#game-container-relative {
  /* Prevent browser scroll behavior completely while inside game zone */
  touch-action: none;
}

#legend {
  margin-top: 6px;
  font-size: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.legend-color {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid #444;
}

#message-overlay {
  position: absolute;
  inset: 0;
  display: none;
  justify-content: center;
  align-items: center;
}

#message-box {
  background: rgba(15, 16, 20, 0.96);
  padding: 16px;
  border-radius: 10px;
  text-align: center;
}

/* ============================================================
   SINGLE FLOATING JOYSTICK (Optimized and Professional)
============================================================ */

#joystick {
  width: 22vw;                    /* auto-scale, perfect feel */
  max-width: 140px;
  min-width: 85px;
  aspect-ratio: 1/1;
  background: rgba(255,255,255,0.06);
  border: 2px solid rgba(255,255,255,0.22);
  border-radius: 50%;
  position: fixed;

  bottom: 9vh;                    /* always above Android/iPhone bars */
  left: 6vw;                      /* ergonomic natural thumb position */

  touch-action: none;
  display: none;                  /* visible only when user touches */
  justify-content: center;
  align-items: center;
  z-index: 99;

  backdrop-filter: blur(6px);     /* premium translucent look */
}

#stick {
  width: 42%;
  height: 42%;
  background: rgba(255,255,255,0.45);
  border-radius: 50%;
  position: absolute;

  transform: translate(0,0);
  box-shadow: 0 0 12px rgba(255,255,255,0.35);
  transition: transform 40ms linear;     /* micro-smoothed movement */
}

/* Larger tablets get stronger thumb controls */
@media (min-width: 768px) {
  #joystick {
    width: 18vw;
    max-width: 150px;
  }
}