.sts-tetris-section {
  --sts-bg: #0d100f;
  --sts-panel: rgba(10, 14, 12, 0.9);
  --sts-grid: rgba(255,255,255,0.07);
  --sts-text: #eef3ee;
  --sts-muted: rgba(238,243,238,0.72);
  --sts-accent: #7dd3fc;
  --sts-board-max-width: 420px;
  --sts-board-bg: #0a0f0d;
  --sts-section-padding: 0px;
  position: relative;
  min-height: var(--sts-section-height, 760px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px var(--sts-section-padding);
  overflow: hidden;
  background: var(--sts-bg);
}

.sts-theme-soft {
  --sts-bg: #111827;
  --sts-panel: rgba(17, 24, 39, 0.75);
  --sts-grid: rgba(255,255,255,0.08);
}

.sts-theme-transparent {
  --sts-bg: transparent;
  --sts-panel: transparent;
  --sts-grid: rgba(255,255,255,0.12);
}

.sts-full-width-mode.sts-theme-transparent {
  background: var(--sts-board-bg);
}

.sts-tetris-shell {
  width: min(100%, calc(var(--sts-board-max-width) + 140px));
  margin: 0 auto;
  text-align: center;
}

.sts-full-width-mode .sts-tetris-shell {
  width: 100%;
}

.sts-tetris-title {
  margin: 0 0 18px;
  color: var(--sts-text);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
}

.sts-tetris-board-wrap {
  position: relative;
  width: min(100%, var(--sts-board-max-width));
  height: calc(var(--sts-section-height, 760px) - 90px);
  min-height: 320px;
  margin: 0 auto;
  border: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 70px rgba(0,0,0,0.35);
  background: var(--sts-panel);
  outline: none;
}

.sts-full-width-mode .sts-tetris-board-wrap {
  width: 100%;
  height: calc(var(--sts-section-height, 760px) - 64px);
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

.sts-tetris-board-wrap:focus-visible,
.sts-tetris-board-wrap.sts-is-active {
  box-shadow: 0 0 0 2px rgba(125, 211, 252, 0.5), 0 18px 70px rgba(0,0,0,0.35);
}

.sts-full-width-mode .sts-tetris-board-wrap:focus-visible,
.sts-full-width-mode .sts-tetris-board-wrap.sts-is-active {
  box-shadow: none;
}

.sts-tetris-canvas {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  border: 0 !important;
  outline: none !important;
  box-shadow: none !important;
  background-color: var(--sts-board-bg);
  background-image:
    linear-gradient(var(--sts-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--sts-grid) 1px, transparent 1px);
  background-size: var(--sts-cell-size, 24px) var(--sts-cell-size, 24px), var(--sts-cell-size, 24px) var(--sts-cell-size, 24px);
  background-position: 1px 1px, 1px 1px;
  background-repeat: repeat;
}

.sts-tetris-overlay {
  position: absolute;
  inset: auto 12px 12px 12px;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.sts-tetris-overlay-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sts-text);
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(6px);
}

.sts-tetris-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.sts-full-width-mode .sts-tetris-meta {
  position: absolute;
  left: 18px;
  bottom: 18px;
  margin-top: 0;
  z-index: 3;
  justify-content: flex-start;
}

.sts-tetris-hint,
.sts-tetris-score {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--sts-muted);
  font-size: 13px;
}

.sts-tetris-score {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sts-tetris-score strong {
  color: var(--sts-text);
}

.sts-tetris-mobile-controls {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  width: min(100%, var(--sts-board-max-width));
  margin: 14px auto 0;
}

.sts-tetris-mobile-controls button {
  border: 0;
  border-radius: 14px;
  padding: 12px;
  font-size: 18px;
  cursor: pointer;
  background: rgba(255,255,255,0.08);
  color: #fff;
}

@media (max-width: 767px) {
  .sts-tetris-section {
    padding: 20px var(--sts-section-padding);
  }

  .sts-tetris-board-wrap {
    height: calc(var(--sts-section-height, 760px) - 54px);
    min-height: 260px;
    border-radius: 18px;
  }

  .sts-full-width-mode .sts-tetris-board-wrap {
    border-radius: 0;
  }

  .sts-full-width-mode .sts-tetris-meta {
    left: 10px;
    right: 10px;
    bottom: 10px;
    gap: 8px;
  }

  .sts-tetris-hint,
  .sts-tetris-score,
  .sts-tetris-overlay-text {
    font-size: 11px;
    padding: 8px 10px;
  }

  .sts-tetris-mobile-controls.sts-enabled {
    display: grid;
    width: 100%;
  }
}


.sts-full-width-mode .sts-tetris-shell,
.sts-full-width-mode .sts-tetris-board-wrap,
.sts-full-width-mode .sts-tetris-canvas {
  border: 0 !important;
  outline: none !important;
  box-shadow: none !important;
}