/* Grid Blitz - base styles */

html, body {
  margin: 0;
  padding: 0;
  background: #07070f;
  color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 18px;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: none;
}

.container {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
}

@media (min-width: 520px) {
  .container {
    max-width: 480px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 560px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 600px;
  }
}

#hud {
  color: #ffffff;
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.game-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#game-canvas {
  display: block;
  max-width: 100%;
  border-radius: 12px;
  background: rgba(30, 30, 50, 0.9);
  touch-action: none;
}

#blocks-tray {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
  padding: 12px 0;
}

.block-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
  border-radius: 8px;
}

.block-slot:hover:not(.no-place) {
  transform: scale(1.08);
}

.block-slot:active:not(.no-place) {
  transform: scale(0.95);
}

.block-slot.dragging {
  opacity: 0.5;
}

.block-slot.no-place {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.block-slot canvas {
  display: block;
}

.grid-blitz-drag-overlay {
  pointer-events: none;
  z-index: 9999;
}

.grid-blitz-drag-overlay canvas {
  display: block;
}

@media (max-width: 400px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  #blocks-tray {
    padding-left: 8px;
    padding-right: 8px;
    gap: 12px;
  }
}