body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow: auto;
}

body::before {
  content: none;
}

.main-container {
  width: max-content;
  min-width: 0;
  display: flex;
  gap: 14px;
  padding: 10px;
  align-items: flex-start;
  justify-content: center;
}

.board-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.board-wrap {
  padding: 0;
  box-shadow: none;
}

#tetris {
  display: block;
  width: 320px;
  height: 640px;
  background: #16130f;
  border: none;
  border-radius: 8px;
  outline: none;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#tetris:focus,
#tetris:focus-visible {
  outline: none;
  box-shadow: none;
}

.controls-panel {
  width: 180px;
  min-width: 180px;
  gap: 8px;
  justify-content: flex-start;
  align-self: flex-start;

}

.panel-plain {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}

.score-strip {
  padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: grid;
  gap: 6px;
}

.score-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.score-label {
  color: var(--text3);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.5px;
}

.score-value {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.score-value.blue {
  color: var(--blue);
}

.action-btn {
  height: 40px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--sans);
}

.panel-label {
  margin-bottom: 6px;
}

#next,
#hold {
  display: block;
  width: 120px;
  margin: 0 auto;
  background: transparent;
  border: none;
}

#next { height: 210px; }
#hold { height: 92px; }

.mode-switch-card {
  position: relative;
  height: 96px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  overflow: hidden;
  cursor: pointer;
  user-select: none;
}

.mode-zone {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  font-family: var(--sans);
  position: relative;
  z-index: 2;
}

.mode-zone.top { border-bottom: 1px solid rgba(255,255,255,.06); }

.mode-zone.active {
  color: #1a1408;
}

.mode-thumb {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 48px;
  border-radius: 10px;
  background: var(--accent);
  transition: top .09s linear;
  z-index: 1;
  pointer-events: none;
}

.mode-switch-card.arrow .mode-thumb { top: 48px; }

.hint {
  font-size: 11px;
  color: var(--text2);
}

.hint-outside {
  width: min(980px, calc(100vw - 24px));
  margin: 2px auto 4px;
  text-align: center;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.overlay-sub {
  color: var(--text2);
}