:root {
  --tetris-z: 999999;
  --tetris-bg: rgba(7, 11, 24, 0.78);
  --tetris-panel: linear-gradient(180deg, #171c2b 0%, #0e1220 100%);
  --tetris-border: rgba(255, 255, 255, 0.12);
  --tetris-text: #f6f7fb;
  --tetris-muted: #aeb7d0;
  --tetris-accent: #7c5cff;
  --tetris-accent-2: #23c9ff;
}

.tetris-launcher {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: var(--tetris-z);
}

.tetris-launcher__button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: 700 14px/1.2 inherit;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--tetris-accent), var(--tetris-accent-2));
  box-shadow: 0 10px 30px rgba(35, 201, 255, 0.28);
}

.tetris-launcher__button:hover,
.tetris-launcher__button:focus-visible,
.tetris-modal__restart:hover,
.tetris-modal__restart:focus-visible,
.tetris-modal__close:hover,
.tetris-modal__close:focus-visible {
  filter: brightness(1.08);
}

.tetris-modal[hidden] {
  display: none !important;
}

.tetris-modal {
  position: fixed;
  inset: 0;
  z-index: calc(var(--tetris-z) + 1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.tetris-modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--tetris-bg);
}

.tetris-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(920px, 100%);
  border-radius: 24px;
  border: 1px solid var(--tetris-border);
  background: var(--tetris-panel);
  color: var(--tetris-text);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  padding: 24px;
}

.tetris-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--tetris-border);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 28px;
  cursor: pointer;
}

.tetris-modal__header {
  margin-bottom: 20px;
  padding-right: 56px;
}

.tetris-modal__header h2,
.tetris-modal__header p {
  margin: 0;
}

.tetris-modal__eyebrow {
  margin: 0 0 8px;
  color: var(--tetris-accent-2);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.tetris-modal__meta {
  margin-top: 8px !important;
  color: var(--tetris-muted);
}

.tetris-modal__game {
  display: grid;
  grid-template-columns: minmax(280px, 300px) minmax(180px, 1fr);
  gap: 24px;
  align-items: start;
}

.tetris-modal__canvas {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--tetris-border);
  background: #090d18;
}

.tetris-modal__sidebar {
  display: grid;
  gap: 14px;
}

.tetris-stat {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--tetris-border);
  background: rgba(255, 255, 255, 0.04);
}

.tetris-stat__label {
  display: block;
  color: var(--tetris-muted);
  margin-bottom: 6px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tetris-stat strong {
  font-size: 28px;
}

.tetris-modal__restart {
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  font: 700 15px/1.2 inherit;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, #ff8a00, #ff4d6d);
}

body.tetris-modal-open {
  overflow: hidden;
}

@media (max-width: 720px) {
  .tetris-launcher {
    top: 14px;
    right: 14px;
  }

  .tetris-launcher__button {
    padding: 11px 15px;
    font-size: 13px;
  }

  .tetris-modal {
    padding: 12px;
  }

  .tetris-modal__dialog {
    padding: 18px;
  }

  .tetris-modal__game {
    grid-template-columns: 1fr;
  }

  .tetris-modal__canvas {
    margin-inline: auto;
  }
}