html,
body {
  height: 100%;
  margin: 0;
}

body {
  min-height: 100%;
  background: radial-gradient(circle at top, #020617, #020617);
}

main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 0.75rem 3.25rem; 
  margin-top: -100px;
}

@supports (min-height: 100dvh) {
  main {
    min-height: 100dvh;
  }
}

.tetris-wrapper {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.tetris-card {
  background: transparent;
  border-radius: 1rem;
  border: none;
  padding: 0;
  max-width: 480px;
  width: 100%;
}

.tetris-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: .75rem;
}

.tetris-header h1 {
  font-size: 1rem;
}

.tetris-hud {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2.75rem;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.85rem;

  background: linear-gradient(
    to top,
    rgba(15, 23, 42, 0.98),
    rgba(15, 23, 42, 0.92)
  );
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  backdrop-filter: blur(12px);
  z-index: 20;
}

.tetris-hud-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tetris-hud code {
  background: transparent;
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  margin: 0;
}

.tetris-level-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  padding: 0.15rem 0.5rem;
  border-radius: 0.3rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, #00CFFF, #682ABA);
  color: oklch(61.676% 0.169 23.865);
}

.tetris-pause-btn {
  border-radius: .4rem !important;
  border: 1px solid color-mix(in srgb-linear, var(--accent) 60%, var(--danger) 20%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: brightness(5px);
  transition: all ease-in-out .5s;
  width: 35px;
  height: 25px;
}

.tetris-pause-btn i {
  font-size: 1rem;
  line-height: 1;
}

#level,
#lines {
  display: none;
}

.tetris-canvas-wrap {
  display: flex;
  justify-content: center;
}

#tetris {
  display: block;
  background: #020617;
  border-radius: 1.25rem 1.25rem .2rem .2rem;
  border: 1px solid color-mix(in srgb-linear, var(--accent) 60%, var(--danger) 30%);
  height: calc(100vh - 6rem);
  max-height: 500px;
  aspect-ratio: 300 / 525;
  width: auto;
  max-width: 100%;
  touch-action: none; 
}

@supports (height: 100dvh) {
  #tetris {
    height: calc(100dvh - 6rem);
  }
}

.tetris-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), #020617);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 1.5rem 1.25rem 3.25rem; 
}

.tetris-overlay.visible {
  display: flex;
}

.tetris-overlay-inner {
  max-width: 420px;
  width: 100%;
  background: rgba(15, 23, 42, 0.98);
  border-radius: 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 1.5rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.75);
}

.tetris-leaderboard {
  display: none; 
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: #0a0f17;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 0 18px rgba(0, 199, 255, 0.05);
}

.tetris-leaderboard-inner {
  display: flex;
  flex-direction: column;
}

.tetris-leaderboard-list {
  padding-left: 0;
  margin-top: 0.25rem;
  list-style: none;
}

.tetris-leaderboard-item {
  display: grid;
  grid-template-columns: 40px 60px 1fr 60px;
  padding: 0.45rem 0.5rem;
  margin-bottom: 0.4rem;
  background: rgba(255,255,255,0.03);
  border-radius: 10px;
  align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  transition: 0.2s ease;
  border-left: 4px solid transparent;
}

.tetris-leaderboard-item:hover {
  background: rgba(0, 199, 255, 0.08);
  transform: translateX(4px);
  border-left: 4px solid #00cfff;
  box-shadow: 0 0 10px rgba(0, 199, 255, 0.3);
}

.tetris-leaderboard-item:nth-child(1) {
  border-left-color: gold;
  background: rgba(255, 215, 0, 0.12);
}
.tetris-leaderboard-item:nth-child(1):before {
  content: "👑";
  margin-right: 6px;
}

.tetris-leaderboard-item:nth-child(2) {
  border-left-color: silver;
}
.tetris-leaderboard-item:nth-child(3) {
  border-left-color: #cd7f32; /* Bronze */
}

.tetris-rank {
  opacity: 0.7;
  font-size: 0.8rem;
}

.tetris-name {
  text-transform: uppercase;
  font-weight: bold;
  color: #00cfff;
}

.tetris-score {
  text-align: right;
  font-weight: bold;
}

.tetris-level {
  text-align: right;
  color: #8bc6ff;
}

.tetris-ranking-trigger {
  position: fixed;
  right: 1rem;
  bottom: 3.5rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: none;
  font-size: 0.8rem;
  font-weight: 600;
  color: #0b1120;
  background: linear-gradient(135deg, #00cfff, #682aba);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 0 18px rgba(0, 199, 255, 0.6);
  z-index: 30;
}

.tetris-ranking-trigger i {
  font-size: 1rem;
}

.tetris-ranking-modal {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.96), #020617);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1.25rem 3.25rem;
  z-index: 1200;
}

.tetris-ranking-modal.visible {
  display: flex;
}

.tetris-ranking-modal-inner {
  width: 100%;
  max-width: 420px;
  background: rgba(15, 23, 42, 0.98);
  border-radius: 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 1.25rem 1.25rem 1rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.85);
}

.tetris-ranking-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .75rem;
}

.tetris-ranking-modal-close {
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.8rem;
}

@media (min-width: 768px) {
  main {
    padding: 1rem 1rem;
    margin-top: -5rem;
  }

  .tetris-wrapper {
    justify-content: center;
    gap: 2rem;
  }

  .tetris-card {
    background: rgba(11, 22, 35, 0.95);
    border-radius: 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.25);
    padding: 1.5rem;
    max-width: 440px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  }

  .tetris-header h1 {
    font-size: 1.1rem;
  }

  .tetris-hud {
    position: static;
    height: auto;
    padding: 0;
    margin-bottom: 1rem;
    justify-content: space-between;
    background: transparent;
    border-top: none;
    backdrop-filter: none;
  }

  .tetris-hud-left {
    gap: 0.5rem;
  }

  .tetris-hud code {
    background: rgba(15, 23, 42, 0.85);
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
  }

  #level,
  #lines {
    display: inline-block;
  }

  .tetris-level-badge {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
  }

  .tetris-pause-btn {
    padding: 0.2rem 0.5rem;
  }

  #tetris {
    width: 300px;
    height: 525px;
    aspect-ratio: auto;
  }

  .tetris-overlay {
    padding-bottom: 1.5rem;
  }

  .tetris-leaderboard {
    display: block;
    max-width: 280px;
    margin-top: 0;
  }

  .tetris-ranking-trigger,
  .tetris-ranking-modal {
    display: none !important;
  }
}