.og-tetris-app {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background: #c0c0c0;
  box-sizing: border-box;
  font-family: 'MS Sans Serif', Tahoma, sans-serif;
  user-select: none;
}

.og-tetris-menubar {
  display: flex;
  background: #c0c0c0;
  border-bottom: 1px solid #808080;
  padding: 2px 4px;
  gap: 8px;
}

.og-tetris-menu-btn {
  font-size: 11px;
  padding: 2px 6px;
  cursor: pointer;
}

.og-tetris-menu-btn:hover {
  background: #000080;
  color: #ffffff;
}

.og-tetris-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  background: #c0c0c0;
  border-bottom: 2px groove #ffffff;
}

.og-tetris-btn {
  background: #c0c0c0;
  border-top: 2px solid #ffffff;
  border-left: 2px solid #ffffff;
  border-right: 2px solid #808080;
  border-bottom: 2px solid #808080;
  font-size: 11px;
  padding: 2px 8px;
  cursor: pointer;
}

.og-tetris-btn:active {
  border-top: 2px solid #808080;
  border-left: 2px solid #808080;
  border-right: 2px solid #ffffff;
  border-bottom: 2px solid #ffffff;
}

.og-tetris-scorebox {
  margin-left: auto;
  display: flex;
  gap: 12px;
  font-size: 11px;
}

.og-tetris-stat {
  display: flex;
  align-items: center;
  gap: 4px;
}

.og-tetris-stat-val {
  background: #000000;
  color: #00ff00;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  font-weight: bold;
  padding: 1px 6px;
  border: 1px inset #808080;
  min-width: 44px;
  text-align: right;
}

.og-tetris-stat-val.yellow {
  color: #ffff00;
}

.og-tetris-viewport {
  position: relative;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #181824;
  padding: 6px;
  overflow: hidden;
}

.og-tetris-canvas {
  display: block;
  background: #101018;
  border: 2px inset #808080;
  image-rendering: pixelated;
}

.og-tetris-statusbar {
  display: flex;
  justify-content: space-between;
  padding: 2px 6px;
  font-size: 11px;
  background: #c0c0c0;
  border-top: 1px solid #808080;
}

.og-tetris-boss-screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  z-index: 9999;
  display: none;
  flex-direction: column;
  font-family: Tahoma, 'MS Sans Serif', sans-serif;
  color: #000000;
  cursor: default;
}

.og-tetris-boss-menubar {
  display: flex;
  gap: 10px;
  background: #ece9d8;
  padding: 2px 8px;
  font-size: 11px;
  border-bottom: 1px solid #d4d0c8;
}

.og-tetris-boss-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ece9d8;
  padding: 3px 8px;
  font-size: 11px;
  border-bottom: 1px solid #808080;
}

.og-tetris-boss-formula {
  display: flex;
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid #d4d0c8;
  padding: 2px 8px;
  font-size: 11px;
}

.og-tetris-boss-grid {
  flex: 1;
  overflow: auto;
  background: #ffffff;
}

.og-tetris-boss-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 11px;
}

.og-tetris-boss-table th {
  background: #ebeadb;
  border: 1px solid #d4d0c8;
  font-weight: normal;
  padding: 2px 6px;
  text-align: center;
}

.og-tetris-boss-table td {
  border: 1px solid #d4d0c8;
  padding: 2px 6px;
  white-space: nowrap;
}

.og-tetris-boss-active-cell {
  outline: 2px solid #000000;
  background: #f0fff0 !important;
}