:root {
  --ink: #071014;
  --pine: #102226;
  --moss: #1b3332;
  --fog: #c5d8d0;
  --foam: #eef6f2;
  --tide: #3ecfb0;
  --gold: #f0c35a;
  --size: 4;
  --gap: clamp(0.34rem, calc(1.05rem - var(--size) * 0.08rem), 0.72rem);
  --pad: clamp(0.42rem, calc(1.1rem - var(--size) * 0.08rem), 0.78rem);
  --cell: clamp(
    1.65rem,
    calc(
      (
          min(100vw - 1.6rem, 32rem, 68dvh) - 2 * var(--pad) - (var(--size) - 1) * var(--gap)
        ) / var(--size)
    ),
    5.15rem
  );
  --board: calc(var(--size) * var(--cell) + (var(--size) - 1) * var(--gap) + 2 * var(--pad));
  --radius: 1.15rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Outfit, "Segoe UI", sans-serif;
  color: var(--foam);
  background: var(--ink);
  overflow-x: hidden;
}

body.is-menu {
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(62, 207, 176, 0.14), transparent 55%),
    radial-gradient(900px 600px at -10% 110%, rgba(96, 92, 255, 0.16), transparent 50%),
    linear-gradient(165deg, #08141a 0%, #071014 46%, #0b1a1c 100%);
}

.bruma-shift {
  position: absolute;
  inset: -6%;
  pointer-events: none;
}

.bruma-bg {
  display: block;
  width: 100%;
  height: 100%;
}

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  pointer-events: none;
}

.shell {
  width: min(38rem, calc(100% - 1.2rem));
  margin: 0 auto;
  padding: 1.6rem 0 2.4rem;
}

.top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.eyebrow,
.hint,
.foot {
  text-shadow:
    0 1px 2px rgba(7, 16, 20, 0.9),
    0 8px 22px rgba(7, 16, 20, 0.55);
}

.eyebrow {
  margin: 0 0 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.68rem;
  color: var(--fog);
}

h1 {
  margin: 0;
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(2.6rem, 8vw, 3.6rem);
  font-weight: 720;
  line-height: 0.9;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, #f7fff9 20%, #9ee7d2 70%, #f0c35a 140%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.scores {
  display: flex;
  gap: 0.55rem;
}

.score-card {
  position: relative;
  min-width: 5.4rem;
  padding: 0.45rem 0.7rem 0.5rem;
  border-radius: 0.95rem;
  background: rgba(16, 34, 38, 0.82);
  border: 1px solid rgba(231, 242, 238, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.score-card span {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog);
}

.score-card strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.score-pop {
  position: absolute;
  right: 0.55rem;
  top: 0.2rem;
  margin: 0;
  font-style: normal;
  font-weight: 700;
  color: var(--gold);
  opacity: 0;
  pointer-events: none;
}

.score-pop.is-on {
  animation: rise 700ms var(--ease);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.15rem 0 1.05rem;
}

.hint {
  margin: 0;
  max-width: 22rem;
  color: #b7c9c2;
  font-size: 0.92rem;
  line-height: 1.45;
}

.hint strong {
  color: var(--foam);
  font-weight: 600;
}

.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.72rem 1.05rem;
  white-space: nowrap;
  transition: transform 160ms var(--ease), background 160ms var(--ease), box-shadow 160ms var(--ease);
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn-primary {
  color: #08201c;
  background: linear-gradient(180deg, #9cf0d8, #3ecfb0);
  box-shadow: 0 10px 24px rgba(62, 207, 176, 0.22);
  white-space: nowrap;
}

.btn-primary:hover {
  box-shadow: 0 12px 28px rgba(62, 207, 176, 0.32);
}

.btn-danger {
  color: #2a1b06;
  background: linear-gradient(180deg, #ffe08a, #e59a2d);
  box-shadow: 0 10px 24px rgba(229, 154, 45, 0.22);
  white-space: nowrap;
}

.btn-danger:hover {
  box-shadow: 0 12px 28px rgba(229, 154, 45, 0.34);
}

a.btn {
  text-decoration: none;
  display: inline-grid;
  place-items: center;
}

.btn-ghost {
  color: var(--foam);
  background: rgba(238, 246, 242, 0.08);
  border: 1px solid rgba(238, 246, 242, 0.12);
}

.btn-ghost:hover {
  background: rgba(238, 246, 242, 0.14);
}

.btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn:disabled:hover,
.btn:disabled:active {
  transform: none;
  box-shadow: none;
  background: rgba(238, 246, 242, 0.08);
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.stage {
  position: relative;
  display: grid;
  place-items: center;
}

.board-opts {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  margin: 0 0 1rem;
}

.seg {
  display: flex;
  padding: 0.18rem;
  border-radius: 999px;
  background: rgba(16, 34, 38, 0.82);
  border: 1px solid rgba(231, 242, 238, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.seg-btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 650;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--fog);
  background: transparent;
  border-radius: 999px;
  padding: 0.48rem 0.72rem;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.seg-btn:hover {
  color: var(--foam);
}

.seg-btn.is-on,
.seg-btn[aria-pressed="true"] {
  color: #08201c;
  background: linear-gradient(180deg, #9cf0d8, #3ecfb0);
}

.toggle {
  appearance: none;
  border: 1px solid rgba(238, 246, 242, 0.12);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--foam);
  background: rgba(238, 246, 242, 0.08);
  border-radius: 999px;
  padding: 0.52rem 0.9rem;
  white-space: nowrap;
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.toggle:hover {
  background: rgba(238, 246, 242, 0.14);
}

.toggle.is-on,
.toggle[aria-pressed="true"] {
  border-color: rgba(62, 207, 176, 0.45);
  background: rgba(62, 207, 176, 0.16);
}

.board {
  position: relative;
  width: var(--board);
  height: var(--board);
  padding: var(--pad);
  border-radius: calc(var(--radius) + 0.35rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 30%),
    #102426;
  border: 1px solid rgba(158, 231, 210, 0.12);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  touch-action: none;
  user-select: none;
  --chain: 0;
}

.board.is-hot {
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 0 1px rgba(240, 195, 90, calc(var(--chain) * 0.55)),
    0 0 32px rgba(62, 207, 176, calc(var(--chain) * 0.4));
}

.board.is-chain {
  animation: board-chain 1100ms ease-in-out;
}

.board.is-chain-pay {
  animation: board-pay 1500ms ease-in-out;
}

.burst {
  position: absolute;
  inset: 0;
  z-index: 4;
  overflow: visible;
  border-radius: inherit;
  pointer-events: none;
  mix-blend-mode: screen;
}

.burst[hidden] {
  display: none;
}

.burst-spark,
.burst-shard {
  position: absolute;
  left: var(--x);
  top: var(--y);
  pointer-events: none;
  opacity: 0.45;
}

.burst-ring {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: transparent;
  box-shadow:
    0 0 0 1px rgba(255, 236, 190, calc(0.08 + var(--power) * 0.1)),
    0 0 22px 8px rgba(158, 231, 210, calc(0.05 + var(--power) * 0.08)),
    0 0 40px 16px rgba(240, 195, 90, calc(0.03 + var(--power) * 0.06));
  transform: scale(1);
  opacity: calc(0.28 + var(--power) * 0.22);
  animation: burst-ring 780ms ease-out forwards;
  animation-delay: var(--delay, 0ms);
}

.burst-spark {
  width: var(--size);
  height: var(--size);
  margin-left: calc(var(--size) / -2);
  margin-top: calc(var(--size) / -2);
  border-radius: 50%;
  background: var(--color);
  box-shadow: 0 0 12px var(--color);
  animation: burst-fly 700ms ease-out forwards;
  animation-delay: var(--delay, 0ms);
}

.burst-shard {
  width: var(--size);
  height: calc(var(--size) * 0.36);
  margin-left: calc(var(--size) / -2);
  margin-top: calc(var(--size) * -0.18);
  border-radius: 999px;
  background: var(--color);
  animation: burst-shard 720ms ease-out forwards;
  animation-delay: var(--delay, 0ms);
}

.board.is-burst::after {
  content: "";
  position: absolute;
  inset: -8%;
  z-index: 3;
  border-radius: inherit;
  pointer-events: none;
  box-shadow:
    0 0 28px 10px rgba(158, 231, 210, calc(var(--burst) * 0.16)),
    0 0 48px 18px rgba(240, 195, 90, calc(var(--burst) * 0.1));
  animation: burst-flash 640ms ease-out forwards;
}

.grid {
  display: grid;
  grid-template-columns: repeat(var(--size), var(--cell));
  grid-template-rows: repeat(var(--size), var(--cell));
  gap: var(--gap);
}

.cell {
  border-radius: calc(var(--radius) - 0.35rem);
  background: rgba(7, 16, 20, 0.45);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.tiles {
  position: absolute;
  inset: var(--pad);
}

.tile {
  position: absolute;
  width: var(--cell);
  height: var(--cell);
  display: grid;
  place-items: center;
  border-radius: calc(var(--radius) - 0.35rem);
  font-weight: 700;
  font-size: calc(var(--cell) * 0.42);
  letter-spacing: -0.04em;
  color: var(--fg, #08201c);
  background: var(--bg, #eef6f2);
  box-shadow:
    var(--glow, none),
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 10px 18px rgba(0, 0, 0, 0.18);
  transform: translate(
    calc(var(--c) * (var(--cell) + var(--gap))),
    calc(var(--r) * (var(--cell) + var(--gap)))
  );
  transition: transform 150ms var(--ease);
  z-index: 2;
}

.tile.is-instant {
  transition: none;
}

.tile.is-removing {
  z-index: 1;
  box-shadow: none;
}

.tile.is-waiting,
.tile.is-pop {
  z-index: 3;
}

.tile.is-spawn {
  animation: spawn 180ms var(--ease);
}

.tile.is-pop {
  animation: pop 220ms var(--ease);
}

.tile--small {
  font-size: calc(var(--cell) * 0.34);
}

.tile--tiny {
  font-size: calc(var(--cell) * 0.28);
}

.tile[data-v="2"] {
  --bg: #e7f3ee;
  --fg: #16312c;
}
.tile[data-v="4"] {
  --bg: #c5ddd4;
  --fg: #16312c;
}
.tile[data-v="8"] {
  --bg: #5ebaa4;
  --fg: #f4fffb;
}
.tile[data-v="16"] {
  --bg: #2f8f8a;
  --fg: #f4fffb;
}
.tile[data-v="32"] {
  --bg: #2b739e;
  --fg: #f7fbff;
}
.tile[data-v="64"] {
  --bg: #3d5fd4;
  --fg: #f7fbff;
}
.tile[data-v="128"] {
  --bg: #6a4fe0;
  --fg: #fff;
  --glow: 0 0 22px rgba(106, 79, 224, 0.38);
}
.tile[data-v="256"] {
  --bg: #a33de8;
  --fg: #fff;
  --glow: 0 0 22px rgba(163, 61, 232, 0.38);
}
.tile[data-v="512"] {
  --bg: #d62d8a;
  --fg: #fff;
  --glow: 0 0 22px rgba(214, 45, 138, 0.4);
}
.tile[data-v="1024"] {
  --bg: #e23b4a;
  --fg: #fff;
  --glow: 0 0 24px rgba(226, 59, 74, 0.42);
}
.tile[data-v="2048"] {
  --bg: linear-gradient(145deg, #ffe08a, #f0c35a 55%, #e59a2d);
  background: var(--bg);
  --fg: #2a1b06;
  --glow: 0 0 28px rgba(240, 195, 90, 0.55);
}
.tile[data-v="4096"],
.tile[data-v="8192"] {
  --bg: linear-gradient(145deg, #fff4d6, #ff8a3d);
  background: var(--bg);
  --fg: #3a1808;
  --glow: 0 0 28px rgba(255, 138, 61, 0.5);
}

.veil {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding:
    max(1.5rem, env(safe-area-inset-top))
    1.25rem
    max(1.5rem, env(safe-area-inset-bottom));
  background: rgba(7, 16, 20, 0.28);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  animation: veil-in 420ms var(--ease);
}

.veil[hidden] {
  display: none;
}

.veil-copy {
  width: min(28rem, 100%);
  margin: 0;
  text-align: center;
}

.veil-copy h2 {
  margin: 0;
  font-family: Fraunces, Georgia, serif;
  font-weight: 560;
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.veil-copy p {
  max-width: 22rem;
  margin: 0.85rem auto 0;
  color: var(--fog);
  font-size: 1.05rem;
  line-height: 1.5;
}

.veil-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1.35rem;
  margin-top: 1.65rem;
}

.veil-choice {
  appearance: none;
  margin: 0;
  padding: 0.15rem 0;
  border: 0;
  background: transparent;
  color: var(--foam);
  font: inherit;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.veil-choice:hover,
.veil-choice:focus-visible {
  color: var(--tide);
}

.veil-choice.is-main {
  color: #9ee7d2;
}

.veil-choice.is-warn {
  color: var(--gold);
}

.veil-choice.is-warn:hover,
.veil-choice.is-warn:focus-visible {
  color: #ffe08a;
}

.veil-choice:focus-visible {
  outline: 2px solid rgba(62, 207, 176, 0.75);
  outline-offset: 4px;
  border-radius: 2px;
}

.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.foot {
  margin-top: 1.15rem;
  color: #8aa29a;
  text-align: center;
  font-size: 0.88rem;
}

.save-status {
  margin: -0.2rem 0 0.9rem;
  text-align: right;
  color: var(--tide);
  font-size: 0.88rem;
}

.save-status.is-bad {
  color: #ffb4a8;
}

.save-dialog {
  width: min(42rem, calc(100vw - 1.2rem));
  max-height: min(40rem, calc(100vh - 1.4rem));
  margin: auto;
  padding: 0;
  overflow: auto;
  color: var(--foam);
  background: rgba(16, 34, 38, 0.97);
  border: 1px solid rgba(158, 231, 210, 0.18);
  border-radius: 1.2rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.save-dialog::backdrop {
  background: rgba(7, 16, 20, 0.66);
  backdrop-filter: blur(6px);
}

.save-dialog-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0;
  padding: 1.15rem 1.15rem 1.05rem;
}

.save-dialog-card h2 {
  margin: 0;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

.save-dialog-card p {
  margin: 0;
  color: var(--fog);
  line-height: 1.45;
}

.save-dialog-card code {
  color: var(--foam);
  font-family: Consolas, "Courier New", ui-monospace, monospace;
}

.save-dialog textarea {
  width: 100%;
  min-height: 16rem;
  margin: 0;
  padding: 0.75rem 0.8rem;
  resize: vertical;
  border-radius: 0.8rem;
  border: 1px solid rgba(238, 246, 242, 0.14);
  background: #071014;
  color: var(--foam);
  font-family: Consolas, "Courier New", ui-monospace, monospace;
  font-size: 0.92rem;
  line-height: 1.45;
  white-space: pre;
  overflow: auto;
}

.save-dialog textarea:focus {
  outline: 2px solid rgba(62, 207, 176, 0.75);
  outline-offset: 1px;
}

.save-msg {
  min-height: 1.3em;
  color: var(--fog);
}

.save-msg.is-ok {
  color: var(--tide);
}

.save-msg.is-bad {
  color: #ffb4a8;
}

@keyframes spawn {
  from {
    transform: translate(
        calc(var(--c) * (var(--cell) + var(--gap))),
        calc(var(--r) * (var(--cell) + var(--gap)))
      )
      scale(0.35);
    opacity: 0;
  }
  to {
    transform: translate(
        calc(var(--c) * (var(--cell) + var(--gap))),
        calc(var(--r) * (var(--cell) + var(--gap)))
      )
      scale(1);
    opacity: 1;
  }
}

@keyframes pop {
  0% {
    transform: translate(
        calc(var(--c) * (var(--cell) + var(--gap))),
        calc(var(--r) * (var(--cell) + var(--gap)))
      )
      scale(1);
  }
  55% {
    transform: translate(
        calc(var(--c) * (var(--cell) + var(--gap))),
        calc(var(--r) * (var(--cell) + var(--gap)))
      )
      scale(1.12);
  }
  100% {
    transform: translate(
        calc(var(--c) * (var(--cell) + var(--gap))),
        calc(var(--r) * (var(--cell) + var(--gap)))
      )
      scale(1);
  }
}

@keyframes rise {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  20% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-16px);
  }
}

@media (max-width: 40rem) {
  .top,
  .toolbar,
  .board-opts {
    flex-direction: column;
    align-items: stretch;
  }

  .mode-nav {
    width: 100%;
  }

  .mode-nav .seg-btn {
    flex: 1;
  }

  .seg {
    width: 100%;
  }

  .seg-btn {
    flex: 1;
    padding: 0.52rem 0.35rem;
  }

  .toggle {
    width: 100%;
  }

  .scores {
    justify-content: stretch;
  }

  .score-card {
    flex: 1;
  }

  .toolbar-actions {
    width: 100%;
  }

  .toolbar-actions .btn {
    flex: 1 1 8.5rem;
  }

  .hint {
    max-width: none;
  }

  .save-status {
    text-align: center;
  }

  .save-dialog textarea {
    min-height: 12rem;
  }
}

.mode-nav {
  display: flex;
  width: fit-content;
  margin: 0 0 1rem;
  padding: 0.18rem;
  border-radius: 999px;
  background: rgba(16, 34, 38, 0.82);
  border: 1px solid rgba(231, 242, 238, 0.08);
}

.mode-nav .seg-btn {
  text-decoration: none;
  display: inline-grid;
  place-items: center;
}

.mode-nav a.seg-btn:hover {
  color: var(--foam);
}

.foot a {
  color: var(--tide);
}

.shell--tetris,
.shell--snake {
  width: min(46rem, calc(100% - 1rem));
}

.shell--jet {
  width: min(52rem, calc(100% - 1rem));
  padding-top: 1rem;
}

.is-jet .toolbar {
  margin: 0.9rem 0 0.75rem;
}

.is-jet .mode-nav {
  margin-bottom: 0.75rem;
}

.hint p {
  margin: 0;
}

.controls {
  margin-top: 0.4rem;
  font-size: 0.86rem;
  color: #b7c9c2;
}

.controls summary {
  cursor: pointer;
  color: var(--tide);
  font-weight: 600;
}

.controls ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  line-height: 1.5;
}

.controls li + li {
  margin-top: 0.2rem;
}

.jet-stage {
  display: grid;
  gap: 0;
}

.jet-view {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: 68vh;
  border-radius: calc(var(--radius) + 0.35rem);
  overflow: hidden;
  background: #eef6f2;
  border: 1px solid rgba(158, 231, 210, 0.22);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  touch-action: none;
  user-select: none;
  cursor: crosshair;
}

.jet-view canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.rotate-hint {
  display: none;
  position: absolute;
  inset: auto 0 0.6rem;
  margin: 0;
  text-align: center;
  font-weight: 600;
  font-size: 0.86rem;
  color: #0b3b39;
  pointer-events: none;
  z-index: 3;
}

.hit-flash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle at 50% 55%, rgba(226, 59, 74, 0.05), rgba(226, 59, 74, 0.42));
  z-index: 4;
}

.hit-flash.is-on {
  animation: hitflash 360ms var(--ease);
}

.score-card strong.pips {
  display: flex;
  gap: 0.22rem;
  align-items: center;
  height: 1.35rem;
}

.pip {
  width: 0.6rem;
  height: 0.85rem;
  border-radius: 0.2rem;
  background: rgba(238, 246, 242, 0.14);
}

.pip.is-on {
  background: linear-gradient(180deg, #9cf0d8, #3ecfb0);
  box-shadow: 0 0 10px rgba(62, 207, 176, 0.45);
}

.jet-visor {
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: 0.45rem;
  z-index: 5;
  pointer-events: none;
  display: grid;
  gap: 0.32rem;
  padding: 0.42rem 0.55rem 0.48rem;
  border-radius: 0.9rem;
  background: linear-gradient(180deg, rgba(8, 22, 24, 0.22), rgba(8, 20, 22, 0.62));
  border: 1px solid rgba(15, 118, 110, 0.42);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 10px 28px rgba(8, 16, 18, 0.18);
  backdrop-filter: blur(8px);
}

.visor-row {
  display: grid;
  align-items: center;
  gap: 0.42rem;
}

.visor-row--life {
  grid-template-columns: auto 1fr auto;
}

.visor-row--arms {
  grid-template-columns: 1fr auto;
}

.jet-visor span,
.visor-heat em,
.visor-missile strong,
#health-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e7f7f2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}

#health-label {
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  font-weight: 700;
  min-width: 2.4rem;
  text-align: right;
}

.visor-bar {
  position: relative;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(7, 16, 20, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.visor-bar--life {
  height: 0.95rem;
}

.visor-bar--heat {
  height: 0.42rem;
}

.visor-fill {
  height: 100%;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(1);
}

.visor-fill--life {
  background: linear-gradient(90deg, #0f766e, #5eead4);
  box-shadow: 0 0 12px rgba(45, 212, 191, 0.45);
}

.visor-row--life.is-mid .visor-fill--life {
  background: linear-gradient(90deg, #d97706, #fbbf24);
}

.visor-row--life.is-low .visor-fill--life {
  background: linear-gradient(90deg, #be123c, #fb7185);
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.45);
}

.visor-row--life.is-hit .visor-bar--life {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.visor-heat {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.35rem;
  align-items: center;
}

.visor-heat em {
  font-style: normal;
  font-weight: 650;
  min-width: 4.2rem;
  text-align: right;
}

.visor-fill--heat {
  background: linear-gradient(90deg, #fbbf24, #ea580c);
}

.visor-heat.is-hot .visor-fill--heat {
  background: linear-gradient(90deg, #ef4444, #f97316);
}

.visor-heat.is-lock em {
  color: #fecaca;
}

.visor-missile {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding-left: 0.45rem;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.visor-missile strong {
  font-size: 0.78rem;
}

.visor-missile.is-ready strong {
  color: #99f6e4;
}

.visor-missile.is-storm strong {
  color: #fde68a;
}

.visor-row--life.is-immortal .visor-fill--life {
  background: linear-gradient(90deg, #0891b2, #67e8f9);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
}

.visor-buffs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.visor-buffs[hidden] {
  display: none;
}

.visor-buff {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.12rem 0.4rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.visor-buff--immortal {
  color: #083344;
  background: #67e8f9;
}

.visor-buff--barrage {
  color: #431407;
  background: #fbbf24;
}

.jet-touch {
  position: absolute;
  right: 0.42rem;
  bottom: 4.55rem;
  z-index: 6;
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
}

.jet-touch[hidden] {
  display: none;
}

.touch-arm {
  appearance: none;
  border: 1px solid rgba(15, 118, 110, 0.45);
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-radius: 999px;
  font: inherit;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
  color: #08332f;
  background: rgba(238, 246, 242, 0.72);
  box-shadow: 0 4px 10px rgba(8, 16, 18, 0.18);
  touch-action: none;
  cursor: pointer;
  opacity: 0.78;
}

.touch-arm--missile {
  background: rgba(251, 191, 36, 0.78);
  border-color: rgba(180, 83, 9, 0.45);
  color: #431407;
}

.touch-arm:active {
  transform: scale(0.96);
  opacity: 1;
}

@media (max-width: 40rem) {
  .jet-visor {
    left: 0.35rem;
    right: 0.35rem;
    bottom: 0.35rem;
    padding: 0.48rem 0.5rem 0.52rem;
  }

  .visor-bar--life {
    height: 1.15rem;
  }

  #health-label {
    font-size: 1.05rem;
  }

  .jet-touch {
    bottom: 5.1rem;
  }
}

@keyframes hitflash {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Fullscreen: the view takes the whole screen, controls stay reachable. */
.jet-stage:fullscreen,
.jet-stage:-webkit-full-screen {
  width: 100vw;
  height: 100vh;
  padding: 0.5rem;
  gap: 0;
  background: var(--ink);
  grid-template-rows: 1fr;
}

.jet-stage:fullscreen .jet-view,
.jet-stage:-webkit-full-screen .jet-view {
  aspect-ratio: auto;
  height: 100%;
  max-height: none;
  border-radius: 0.75rem;
}

.jet-stage:fullscreen .jet-visor,
.jet-stage:-webkit-full-screen .jet-visor {
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.65rem;
}

/* Orientation lock is unavailable on iOS, so ask for landscape instead. */
@media (orientation: portrait) {
  .jet-stage:fullscreen .rotate-hint,
  .jet-stage:-webkit-full-screen .rotate-hint {
    display: block;
  }
}

.snake-wrap {
  --scell: clamp(0.88rem, min(5.15vw, 3.15vh), 1.65rem);
  position: relative;
  width: calc(16 * var(--scell) + 2 * 0.55rem);
  height: calc(16 * var(--scell) + 2 * 0.55rem);
  padding: 0.55rem;
  border-radius: calc(var(--radius) + 0.35rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 30%),
    #102426;
  border: 1px solid rgba(158, 231, 210, 0.12);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  touch-action: none;
  user-select: none;
}

.snake-grid {
  display: grid;
  width: 100%;
  height: 100%;
  grid-template-columns: repeat(16, 1fr);
  grid-template-rows: repeat(16, 1fr);
  background: rgba(7, 16, 20, 0.45);
  border-radius: 0.55rem;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.scell {
  border: 1px solid rgba(7, 16, 20, 0.28);
}

.scell.is-body {
  background: #2f8f8a;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.scell.is-head {
  background: #3ecfb0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.scell.is-food {
  background: #f0c35a;
  border-radius: 40%;
  box-shadow: 0 0 14px rgba(240, 195, 90, 0.35);
}

.scores--tetris {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.scores--tetris .score-card {
  min-width: 4.4rem;
}

.tet-stage {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0.85rem;
}

.tet-side {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 6.4rem;
  padding-top: 0.15rem;
}

.mini-card {
  padding: 0.45rem 0.45rem 0.55rem;
  border-radius: 0.95rem;
  background: rgba(16, 34, 38, 0.82);
  border: 1px solid rgba(231, 242, 238, 0.08);
}

.mini-card span {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog);
}

.well-wrap {
  --tcell: clamp(0.82rem, min(7.2vw, 3.05vh), 1.7rem);
  position: relative;
  width: calc(10 * var(--tcell) + 2 * 0.55rem);
  height: calc(20 * var(--tcell) + 2 * 0.55rem);
  padding: 0.55rem;
  border-radius: calc(var(--radius) + 0.35rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 30%),
    #102426;
  border: 1px solid rgba(158, 231, 210, 0.12);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  touch-action: none;
  user-select: none;
}

.well,
.mini {
  display: grid;
  gap: 0;
}

.well {
  width: 100%;
  height: 100%;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(20, 1fr);
  background: rgba(7, 16, 20, 0.45);
  border-radius: 0.55rem;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.mini {
  --mini: 0.78rem;
  width: calc(4 * var(--mini));
  height: calc(4 * var(--mini));
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
}

.tcell {
  border: 1px solid rgba(7, 16, 20, 0.35);
}

.tcell.is-fill {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.tcell.is-ghost {
  opacity: 0.28;
}

.tcell.is-I { background: #3ecfb0; }
.tcell.is-O { background: #f0c35a; }
.tcell.is-T { background: #6a4fe0; }
.tcell.is-S { background: #5ebaa4; }
.tcell.is-Z { background: #d62d8a; }
.tcell.is-J { background: #2b739e; }
.tcell.is-L { background: #e59a2d; }

.touch-pad {
  display: none;
  margin: 1rem 0 0;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}

.pad-btn {
  appearance: none;
  border: 1px solid rgba(238, 246, 242, 0.12);
  border-radius: 0.9rem;
  background: rgba(238, 246, 242, 0.08);
  color: var(--foam);
  font: inherit;
  font-weight: 650;
  min-height: 3rem;
  cursor: pointer;
}

.pad-btn:active {
  transform: scale(0.98);
  background: rgba(62, 207, 176, 0.22);
}

@media (max-width: 44rem) {
  .tet-stage {
    flex-wrap: wrap;
  }

  .tet-side {
    width: auto;
    flex-direction: row;
    align-items: center;
    order: -1;
  }

  .touch-pad {
    display: grid;
  }

  .is-tetris .toolbar-actions .btn,
  .is-tetris .toolbar-actions a.btn {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tile,
  .score-pop,
  .tile.is-spawn,
  .tile.is-pop,
  .play-column,
  .veil,
  .drawer-scrim,
  .drawer-panel,
  .combo,
  .combo.is-in,
  .combo.is-settle .combo-figure,
  .combo.is-settle .combo-dir,
  .combo.is-break .combo-figure,
  .combo-dir.is-new,
  .combo-dir.is-arrive,
  .combo.is-arrive strong,
  .combo.is-tick strong,
  .board.is-chain,
  .board.is-chain-pay,
  .burst-ring,
  .burst-spark,
  .burst-shard,
  .board.is-burst::after {
    animation: none;
    transition: none;
  }

  .combo.is-break {
    opacity: 0;
  }
}

.menu-open {
  position: fixed;
  z-index: 30;
  top: max(0.95rem, env(safe-area-inset-top));
  right: max(0.95rem, env(safe-area-inset-right));
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0.35rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--fog);
  cursor: pointer;
  transition: color 180ms var(--ease);
}

.menu-open:hover,
.menu-open:focus-visible {
  color: var(--foam);
  background: transparent;
}

.menu-open:focus-visible {
  outline: 2px solid rgba(62, 207, 176, 0.75);
  outline-offset: 3px;
}

.menu-lines {
  display: grid;
  gap: 4px;
  width: 1.15rem;
}

.menu-lines i {
  display: block;
  height: 1.5px;
  border-radius: 1px;
  background: currentColor;
}

.play {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding:
    max(4.4rem, calc(env(safe-area-inset-top) + 3.2rem))
    max(0.8rem, env(safe-area-inset-right))
    max(1.6rem, env(safe-area-inset-bottom))
    max(0.8rem, env(safe-area-inset-left));
}

.play-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.45rem, 1.5vh, 0.75rem);
  width: min(var(--board), calc(100vw - 1.6rem));
  animation: arrive 720ms var(--ease) both;
}

.meters {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: 100%;
  gap: 1.5rem;
  padding: 0 0.15rem;
}

.meter {
  display: grid;
  justify-items: start;
  gap: 0.28rem;
  min-width: 0;
}

.meter--score {
  position: relative;
  justify-items: end;
  text-align: right;
}

.meter strong {
  font-family: Fraunces, Georgia, serif;
  font-weight: 560;
  font-size: clamp(2.05rem, 6.2vw, 2.85rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.045em;
  line-height: 0.9;
}

.meter span {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fog);
}

.meter .score-pop {
  right: 0;
  top: auto;
  bottom: 0.2rem;
  font-family: Outfit, "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.combo {
  position: absolute;
  z-index: 4;
  left: 0;
  right: 0;
  top: calc(100% + 0.9rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.28rem;
  width: 100%;
  margin: 0;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
  transition: color 720ms var(--ease);
}

.combo[hidden] {
  display: none;
}

.combo.is-in {
  animation: combo-in 420ms var(--ease) both;
}

.combo-figure {
  display: flex;
  align-items: baseline;
  gap: 0.48rem;
}

.combo strong {
  display: inline-block;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.45rem;
  font-weight: 560;
  letter-spacing: -0.04em;
  line-height: 0.9;
}

.combo.is-arrive strong {
  animation: combo-arrive 160ms cubic-bezier(0.2, 0.85, 0.2, 1);
}

.combo.is-tick strong {
  animation: combo-tick 320ms var(--ease);
}

.combo-label {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fog);
  transition: color 720ms var(--ease);
}

.combo-dirs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 100%;
  gap: 0.08rem 0.28rem;
}

.combo-dir {
  display: inline-flex;
  width: 0.82rem;
  height: 0.82rem;
  font-style: normal;
  line-height: 1;
  color: #d7c48a;
}

.combo-dir svg {
  display: block;
  width: 100%;
  height: 100%;
  transform: rotate(var(--point, 0deg));
}

.combo-dir[data-dir="up"] {
  --point: -90deg;
}

.combo-dir[data-dir="right"] {
  --point: 0deg;
}

.combo-dir[data-dir="down"] {
  --point: 90deg;
}

.combo-dir[data-dir="left"] {
  --point: 180deg;
}

.combo-dir.is-new {
  animation: combo-dir-in 260ms var(--ease) both;
}

.combo-dir.is-arrive {
  animation: combo-dir-arrive 150ms cubic-bezier(0.16, 0.84, 0.32, 1) both;
  animation-delay: var(--delay, 0ms);
}

.combo.is-settle,
.combo.is-settle .combo-label {
  color: var(--tide);
}

.combo.is-settle .combo-figure {
  animation: combo-bloom 720ms var(--ease) forwards;
}

.combo.is-settle .combo-dir {
  animation: combo-fly 420ms cubic-bezier(0.33, 0, 0.2, 1) forwards;
}

.combo.is-break .combo-figure {
  animation: combo-rise 420ms cubic-bezier(0.33, 0, 0.2, 1) forwards;
}

.drawer {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
}

.drawer.is-open {
  pointer-events: auto;
}

.drawer-scrim {
  position: absolute;
  inset: 0;
  background: rgba(7, 16, 20, 0.5);
  opacity: 0;
  transition: opacity 480ms var(--ease);
}

.drawer.is-open .drawer-scrim {
  opacity: 1;
}

.drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  width: min(24.5rem, 100%);
  padding:
    max(1.25rem, env(safe-area-inset-top))
    max(1.35rem, env(safe-area-inset-right))
    max(1.2rem, env(safe-area-inset-bottom))
    1.4rem;
  overflow: auto;
  overscroll-behavior: contain;
  color: var(--foam);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 18%),
    rgba(10, 22, 24, 0.94);
  border-left: 1px solid rgba(158, 231, 210, 0.14);
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  transform: translateX(104%);
  transition: transform 560ms var(--ease);
}

.drawer.is-open .drawer-panel {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.drawer-head .eyebrow {
  margin-bottom: 0.2rem;
}

.drawer-head h2 {
  margin: 0;
  font-family: Fraunces, Georgia, serif;
  font-size: 2.4rem;
  font-weight: 560;
  letter-spacing: -0.04em;
  line-height: 0.9;
  background: linear-gradient(120deg, #f7fff9 20%, #9ee7d2 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.drawer-close {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  margin: 0.15rem 0 0;
  padding: 0;
  border: 1px solid rgba(238, 246, 242, 0.14);
  border-radius: 999px;
  background: transparent;
  color: var(--fog);
  cursor: pointer;
  flex: none;
}

.drawer-close svg {
  stroke: currentColor;
  stroke-width: 1.3;
  fill: none;
}

.drawer-close:hover,
.drawer-close:focus-visible {
  color: var(--foam);
  border-color: rgba(158, 231, 210, 0.4);
}

.drawer-close:focus-visible,
.drawer-action:focus-visible,
.toggle:focus-visible,
.seg-btn:focus-visible {
  outline: 2px solid rgba(62, 207, 176, 0.75);
  outline-offset: 2px;
}

.drawer-best {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.35rem 0 0;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid rgba(238, 246, 242, 0.1);
}

.drawer-best span {
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fog);
}

.drawer-best strong {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.85rem;
  font-weight: 560;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
}

.drawer-body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.drawer-section {
  padding-top: 1.15rem;
}

.drawer-section h3 {
  margin: 0 0 0.45rem;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fog);
}

.drawer-lead {
  margin: 0 0 0.7rem;
  color: #9ab3ab;
  font-size: 0.88rem;
  line-height: 1.4;
}

.drawer-action {
  display: grid;
  gap: 0.12rem;
  width: 100%;
  margin: 0;
  padding: 0.78rem 0;
  border: 0;
  border-bottom: 1px solid rgba(238, 246, 242, 0.08);
  background: transparent;
  color: var(--foam);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.drawer-action span {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.drawer-action small {
  color: #9ab3ab;
  font-size: 0.82rem;
  line-height: 1.35;
}

.drawer-action:hover span,
.drawer-action:focus-visible span {
  color: #9ee7d2;
}

.drawer-action:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.drawer-action:disabled:hover span,
.drawer-action:disabled:focus-visible span {
  color: var(--foam);
}

.drawer .seg {
  width: 100%;
}

.drawer .seg-btn {
  flex: 1;
}

.drawer .toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin: 0;
  padding: 0.78rem 0;
  border: 0;
  border-bottom: 1px solid rgba(238, 246, 242, 0.08);
  border-radius: 0;
  background: transparent;
  color: var(--foam);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-align: left;
}

.drawer .toggle:hover {
  background: transparent;
  color: #9ee7d2;
}

.drawer .toggle.is-on,
.drawer .toggle[aria-pressed="true"] {
  border-color: rgba(238, 246, 242, 0.08);
  background: transparent;
  color: var(--foam);
}

.drawer .toggle.is-on:hover,
.drawer .toggle[aria-pressed="true"]:hover {
  color: #9ee7d2;
}

.drawer .save-status {
  margin: 0.75rem 0 0;
  text-align: left;
}

.drawer-note {
  margin: auto 0 0;
  padding-top: 1.6rem;
  color: #8aa29a;
  font-size: 0.86rem;
  line-height: 1.5;
}

@keyframes veil-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes burst-ring {
  to {
    transform: scale(calc(1.08 + var(--power) * 0.62 + var(--ring) * 0.08));
    opacity: 0;
  }
}

@keyframes burst-fly {
  to {
    transform: translate(var(--dx), var(--dy)) scale(0.3);
    opacity: 0;
  }
}

@keyframes burst-shard {
  to {
    transform: translate(var(--dx), var(--dy)) rotate(var(--spin, 40deg));
    opacity: 0;
  }
}

@keyframes burst-flash {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes board-chain {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(calc(1 + var(--chain) * 0.012));
  }
  100% {
    transform: scale(1);
  }
}

@keyframes board-pay {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(calc(1 + var(--chain) * 0.02));
    box-shadow:
      0 30px 60px rgba(0, 0, 0, 0.35),
      inset 0 1px 0 rgba(255, 255, 255, 0.06),
      0 0 0 2px rgba(240, 195, 90, calc(var(--chain) * 0.85)),
      0 0 42px rgba(240, 195, 90, calc(var(--chain) * 0.55));
  }
  100% {
    transform: scale(1);
  }
}

@keyframes combo-arrive {
  0% {
    transform: scale(1);
  }
  42% {
    transform: scale(1.36);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes combo-tick {
  0% {
    transform: scale(1);
  }
  42% {
    transform: scale(calc(1 + var(--chain) * 0.18));
  }
  100% {
    transform: scale(1);
  }
}

@keyframes combo-dir-arrive {
  from {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) rotate(var(--spin));
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes combo-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes combo-dir-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes combo-bloom {
  to {
    transform: scale(1.08);
  }
}

@keyframes combo-rise {
  from {
    opacity: 1;
    transform: translateY(0) scale(1.08);
  }
  to {
    opacity: 0;
    transform: translateY(-22px) scale(1.08);
  }
}

@keyframes combo-fly {
  to {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) rotate(var(--spin));
  }
}

.now-playing {
  position: fixed;
  z-index: 25;
  right: max(0.85rem, env(safe-area-inset-right));
  bottom: max(0.85rem, env(safe-area-inset-bottom));
  width: min(16.5rem, calc(100vw - 1.7rem));
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  animation: arrive 720ms var(--ease) both;
}

.now-playing[hidden] {
  display: none;
}

.now-playing.is-playing .now-playing-cover {
  box-shadow:
    0 0 0 1px rgba(158, 231, 210, 0.35),
    0 0 18px rgba(62, 207, 176, 0.22);
}

.now-playing-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 0.72rem;
  row-gap: 0.28rem;
  padding: 0.55rem 0.7rem 0.5rem 0.55rem;
  border-radius: 1rem;
  background: rgba(8, 16, 20, 0.38);
  border: 1px solid rgba(238, 246, 242, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.now-playing-cover {
  grid-row: 1 / span 2;
  flex: none;
  width: 2.85rem;
  height: 2.85rem;
  border-radius: 0.55rem;
  object-fit: cover;
  background: rgba(7, 16, 20, 0.65);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.now-playing-cover[hidden] {
  display: block;
  background:
    linear-gradient(145deg, rgba(62, 207, 176, 0.28), rgba(240, 195, 90, 0.18)),
    rgba(7, 16, 20, 0.65);
}

.now-playing-meta {
  min-width: 0;
  display: grid;
  gap: 0.08rem;
}

.now-playing-transport {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  min-width: 0;
}

.player-btn {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--fog);
  cursor: pointer;
}

.player-btn svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.35;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.player-btn .icon-play {
  display: none;
  fill: currentColor;
  stroke: none;
}

.now-playing:not(.is-playing) .player-btn--pause .icon-pause {
  display: none;
}

.now-playing:not(.is-playing) .player-btn--pause .icon-play {
  display: block;
}

.player-btn:hover,
.player-btn:focus-visible {
  color: var(--foam);
}

.player-btn:focus-visible {
  outline: 2px solid rgba(62, 207, 176, 0.75);
  outline-offset: 2px;
}

.now-playing-volume {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  margin-left: auto;
  min-width: 0;
}

.now-playing-volume .icon-muted {
  display: none;
}

.now-playing-volume.is-muted .icon-volume {
  display: none;
}

.now-playing-volume.is-muted .icon-muted {
  display: block;
}

.now-playing-slider-wrap {
  display: flex;
  align-items: center;
  width: 0;
  height: 1.15rem;
  margin-right: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    width 340ms var(--ease),
    margin-right 340ms var(--ease),
    opacity 180ms ease;
}

.now-playing-volume:hover .now-playing-slider-wrap,
.now-playing-volume:focus-within .now-playing-slider-wrap,
.now-playing-volume.is-open .now-playing-slider-wrap,
.now-playing-volume.is-dragging .now-playing-slider-wrap {
  width: 4.7rem;
  margin-right: 0.28rem;
  overflow: visible;
  opacity: 1;
}

.now-playing-slider {
  display: block;
  flex: none;
  width: 4.35rem;
  height: 0.28rem;
  margin: 0 0.16rem;
  appearance: none;
  border-radius: 999px;
  background: rgba(238, 246, 242, 0.14);
  cursor: pointer;
}

.now-playing-slider:focus {
  outline: none;
}

.now-playing-slider:focus-visible {
  outline: 2px solid rgba(62, 207, 176, 0.75);
  outline-offset: 3px;
}

.now-playing-slider::-webkit-slider-runnable-track {
  height: 0.28rem;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--tide) 0%,
    var(--tide) var(--fill, 40%),
    rgba(238, 246, 242, 0.14) var(--fill, 40%),
    rgba(238, 246, 242, 0.14) 100%
  );
}

.now-playing-slider::-webkit-slider-thumb {
  appearance: none;
  width: 0.72rem;
  height: 0.72rem;
  margin-top: -0.22rem;
  border: 0;
  border-radius: 999px;
  background: var(--foam);
  box-shadow: 0 0 0 1px rgba(7, 16, 20, 0.35);
}

.now-playing-slider::-moz-range-track {
  height: 0.28rem;
  border: 0;
  border-radius: 999px;
  background: rgba(238, 246, 242, 0.14);
}

.now-playing-slider::-moz-range-progress {
  height: 0.28rem;
  border-radius: 999px;
  background: var(--tide);
}

.now-playing-slider::-moz-range-thumb {
  width: 0.72rem;
  height: 0.72rem;
  border: 0;
  border-radius: 999px;
  background: var(--foam);
  box-shadow: 0 0 0 1px rgba(7, 16, 20, 0.35);
}

.now-playing-title,
.now-playing-artist {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.now-playing-title {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--foam);
}

.now-playing-artist {
  font-size: 0.78rem;
  color: var(--fog);
}

@media (prefers-reduced-motion: reduce) {
  .now-playing-slider-wrap {
    transition: none;
  }
}

.perf-toggle {
  position: fixed;
  z-index: 30;
  top: max(0.95rem, env(safe-area-inset-top));
  left: max(0.95rem, env(safe-area-inset-left));
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(8, 16, 20, 0.42);
  color: var(--fog);
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

.perf-toggle:hover,
.perf-toggle:focus-visible {
  color: var(--foam);
  background: rgba(8, 16, 20, 0.62);
}

.perf-toggle.is-on {
  color: #9ee7d2;
  box-shadow: 0 0 0 1px rgba(62, 207, 176, 0.35);
}

.perf-toggle:focus-visible {
  outline: 2px solid rgba(62, 207, 176, 0.75);
  outline-offset: 3px;
}

.perf-panel {
  position: fixed;
  z-index: 29;
  top: max(3.55rem, calc(env(safe-area-inset-top) + 2.6rem));
  left: max(0.75rem, env(safe-area-inset-left));
  width: min(15.5rem, calc(100vw - 1.5rem));
  padding: 0.65rem 0.72rem 0.55rem;
  border-radius: 0.85rem;
  background: rgba(8, 16, 20, 0.88);
  border: 1px solid rgba(158, 231, 210, 0.16);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 0.72rem;
  color: var(--fog);
  pointer-events: none;
}

.perf-panel[hidden] {
  display: none;
}

.perf-head {
  margin: 0 0 0.45rem;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog);
}

.perf-head strong {
  font-weight: 600;
  color: var(--foam);
}

.perf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem 0.5rem;
  margin: 0;
}

.perf-grid > div {
  display: grid;
  gap: 0.08rem;
}

.perf-grid dt {
  margin: 0;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
}

.perf-grid dd {
  margin: 0;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.05rem;
  font-weight: 560;
  font-variant-numeric: tabular-nums;
  color: var(--foam);
  line-height: 1;
}

.perf-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0.45rem 0 0;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.perf-meta strong {
  font-family: Outfit, "Segoe UI", sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--foam);
  text-align: right;
}

.perf-meta--canvas strong {
  font-size: 0.62rem;
  line-height: 1.25;
}

.perf-graph {
  display: block;
  width: 100%;
  height: 2.25rem;
  margin-top: 0.45rem;
  border-radius: 0.35rem;
}

body.is-quality-low .grain {
  display: none;
}

body.is-quality-low .perf-toggle,
body.is-quality-low .perf-panel {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body.is-quality-low .drawer-panel,
body.is-quality-low .veil,
body.is-quality-low .now-playing-card,
body.is-quality-low .save-dialog::backdrop {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body.is-quality-low .tile[data-v="128"],
body.is-quality-low .tile[data-v="256"],
body.is-quality-low .tile[data-v="512"],
body.is-quality-low .tile[data-v="1024"],
body.is-quality-low .tile[data-v="2048"],
body.is-quality-low .tile[data-v="4096"],
body.is-quality-low .tile[data-v="8192"] {
  --glow: none;
}

body.is-quality-low .board.is-hot {
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

body.is-quality-low .burst {
  mix-blend-mode: normal;
}

body.is-quality-low .board.is-chain,
body.is-quality-low .board.is-chain-pay {
  animation: none;
}

body.is-native-motion .tile:not(.is-pop):not(.is-spawn):not(.is-instant) {
  transition: none;
}

body.is-native-motion .tile.is-sliding {
  will-change: transform;
}

@media (max-width: 40rem) {
  .now-playing {
    width: min(15.5rem, calc(100vw - 1.4rem));
  }

  .now-playing-volume:hover .now-playing-slider-wrap,
  .now-playing-volume:focus-within .now-playing-slider-wrap,
  .now-playing-volume.is-open .now-playing-slider-wrap,
  .now-playing-volume.is-dragging .now-playing-slider-wrap {
    width: 3.8rem;
  }

  .now-playing-slider {
    width: 3.45rem;
  }

  .now-playing-cover {
    width: 2.55rem;
    height: 2.55rem;
  }

  .now-playing-title {
    font-size: 0.86rem;
  }

  .now-playing-artist {
    font-size: 0.74rem;
  }
}