* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #f0f0f0;
  overflow: auto;
}

#container-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-height: 100vh;
}

#container {
  /* border: 1px solid black; */
  width: 90vw;
  max-height: calc(100vh - 70px);
  aspect-ratio: 44 / 60; /* 44:60 ratio */
  flex: 1 0 auto; /* Grow to fill available space, no shrink */
  overflow: hidden; /* Clip overflow */
  display: flex;
  justify-content: center;
  align-items: center;
}

#controls {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding: 10px;
  height: 60px;
  overflow-x: auto; /* side-scrolling */
  white-space: nowrap;
  width: 90vw; /* Match canvas width */
  flex: 0 0 auto;
}

#cycle-zones, #cycle-objectives, #add-unit, #toggle-drag-mode {
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
}

#cycle-zones:hover, #cycle-objectives:hover, #add-unit:hover, #toggle-drag-mode:hover {
  background-color: #45a049;
}

#unit-controls {
  display: flex;
  flex-direction: row;
  gap: 10px;
  align-items: center;
}

#unit-select {
  padding: 8px;
  font-size: 14px;
  border-radius: 5px;
  border: 1px solid #ccc;
  height: 36px;
}

@media (max-width: 600px) {
  #container {
    width: 95vw;
    max-height: calc(100vh - 70px);
  }
  #controls {
    width: 95vw;
  }
  #cycle-zones, #cycle-objectives, #add-unit, #toggle-drag-mode, #unit-select {
    padding: 6px 12px;
    font-size: 12px;
    height: 32px;
  }
  #unit-select {
    height: 32px;
  }
}