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

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

body {
  min-height: 100dvh;
  color: var(--ak-ink);
  font-family: var(--ak-font-body);
  background-color: var(--ak-bg);
  background-image: var(--ak-bg-art);
  background-size: var(--ak-bg-size);
}

button {
  font-family: inherit;
  color: inherit;
  touch-action: manipulation;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.play {
  --gap: 6px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  width: min(100%, 480px);
  height: 100dvh;
  max-height: 100dvh;
  margin: 0 auto;
  padding:
    max(6px, env(safe-area-inset-top, 0px))
    max(6px, env(safe-area-inset-right, 0px))
    max(6px, env(safe-area-inset-bottom, 0px))
    max(6px, env(safe-area-inset-left, 0px));
  overflow: hidden;
  touch-action: manipulation;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  background-color: transparent;
  background-image: var(--ak-backdrop-layer);
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}

.wink {
  position: absolute;
  z-index: 2;
  top: max(8px, env(safe-area-inset-top, 0px));
  left: 18%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ak-accent-2);
  box-shadow: 0 0 12px var(--ak-glow);
  pointer-events: none;
}

.mute {
  position: absolute;
  z-index: 8;
  top: max(6px, env(safe-area-inset-top, 0px));
  right: max(6px, env(safe-area-inset-right, 0px));
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 2px solid var(--ak-outline);
  border-radius: var(--ak-radius);
  background: var(--ak-surface);
  color: var(--ak-ink);
  box-shadow: var(--ak-shadow);
}

.mute-icon {
  width: 22px;
  height: 22px;
}

.mute-icon .slash {
  display: none;
}

.mute.is-muted .wave {
  display: none;
}

.mute.is-muted .slash {
  display: block;
}

.top,
.goal,
.voice,
.why,
.board-slot,
.pad {
  position: relative;
  z-index: 1;
}

.top {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding-right: 52px;
}

.play-logo {
  display: block;
  width: auto;
  height: 44px;
  max-width: 42%;
  object-fit: contain;
  filter: drop-shadow(0 0 6px var(--ak-glow));
}

.turn {
  min-width: 0;
}

.turn-who {
  margin: 0;
  font-family: var(--ak-font-display);
  font-size: clamp(22px, 6vw, 32px);
  font-weight: var(--ak-title-weight);
  line-height: 0.95;
  color: var(--ak-accent);
}

.turn-sub {
  margin: 2px 0 0;
  color: var(--ak-ink);
  font-size: 13px;
  font-weight: 700;
}

.hint {
  margin-left: auto;
  min-width: 64px;
  min-height: 48px;
  padding: 0 12px;
  border: 2px solid var(--ak-outline);
  border-radius: var(--ak-radius);
  background: var(--ak-btn-fill);
  color: var(--ak-btn-ink);
  box-shadow: var(--ak-shadow);
  font-family: var(--ak-font-display);
  font-size: 18px;
  font-weight: var(--ak-title-weight);
}

.goal,
.voice,
.why {
  margin: 0;
  padding: 6px 10px;
  border: 2px solid var(--ak-outline);
  border-radius: var(--ak-radius);
  background: color-mix(in srgb, var(--ak-surface) 88%, transparent);
  box-shadow: var(--ak-shadow);
}

.goal {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ak-ink);
}

.voice {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ak-ink);
}

.voice.is-invite {
  border-color: var(--ak-accent);
  box-shadow: var(--ak-shadow), 0 0 12px var(--ak-glow);
}

.why {
  z-index: 7;
  color: var(--ak-accent);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
}

.board-slot {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  place-items: center;
  container-type: size;
}

.board {
  position: relative;
  width: 100%;
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 308 / 320;
  border: 2px solid var(--ak-outline);
  border-radius: var(--ak-radius);
  background-color: var(--ak-ink);
  background-image: url("./art/nine-board.png");
  background-repeat: no-repeat;
  background-size: 124.026% 120%;
  background-position: 50% 48.4375%;
  box-shadow: var(--ak-shadow), 0 0 18px color-mix(in srgb, var(--ak-accent) 35%, transparent);
  touch-action: manipulation;
}

@supports (width: 1cqw) {
  .board {
    width: min(100cqw, calc(100cqh * 308 / 320));
  }
}

.board.is-win {
  box-shadow: var(--ak-shadow), 0 0 22px var(--ak-glow);
}

.grid,
.boxes {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  grid-template-rows: repeat(9, minmax(0, 1fr));
}

.boxes {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  pointer-events: none;
  z-index: 3;
}

.box {
  border: 2px solid transparent;
}

.cell {
  position: relative;
  margin: 0;
  padding: 6%;
  border: 0;
  background: var(--ak-ink);
  background-clip: content-box;
  color: var(--ak-bg);
  font-family: var(--ak-font-body);
  font-weight: 700;
  line-height: 1;
  container-type: size;
  touch-action: manipulation;
}

.digit,
.notes {
  position: absolute;
  inset: 8%;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.digit {
  font-size: 62cqmin;
}

.cell.is-given .digit {
  color: var(--ak-bg);
}

.cell.is-player .digit {
  color: var(--ak-accent);
}

.notes {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  color: var(--ak-accent-2);
  font-size: 24cqmin;
  font-weight: 700;
  text-shadow: 0 1px 0 var(--ak-bg), 0 0 2px var(--ak-bg);
}

.notes i {
  font-style: normal;
  display: grid;
  place-items: center;
}

.cell.is-on {
  z-index: 2;
  box-shadow: inset 0 0 0 2px var(--ak-accent), 0 0 10px var(--ak-glow);
}

.cell.is-coach {
  z-index: 2;
  box-shadow: inset 0 0 0 2px var(--ak-accent-2), 0 0 12px var(--ak-glow);
}

.cell.is-bad::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 10%;
  right: 10%;
  width: 18%;
  height: 18%;
  min-width: 6px;
  min-height: 6px;
  border-radius: 50%;
  background: var(--ak-accent);
  box-shadow: 0 0 6px var(--ak-accent);
  pointer-events: none;
}

.pad {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 0 0 auto;
}

.nums {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.num-row {
  display: grid;
  gap: 4px;
}

.num-row.is-five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.num-row.is-four {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.num,
.pencil,
.clear,
.check,
.btn-go,
.btn-alt {
  min-height: 48px;
  border: 2px solid var(--ak-outline);
  border-radius: var(--ak-radius);
  box-shadow: var(--ak-shadow);
  touch-action: manipulation;
}

.num {
  min-width: 0;
  aspect-ratio: 1;
  padding: 0;
  background-color: transparent;
  background-image: url("./art/digit-tiles.png");
  background-repeat: no-repeat;
}

.num[data-digit="1"] { background-size: 309.677% 345.455%; background-position: 0.769% 5.185%; }
.num[data-digit="2"] { background-size: 309.677% 322.034%; background-position: 50% 2.29%; }
.num[data-digit="4"] { background-size: 309.677% 316.667%; background-position: 0.769% 50%; }
.num[data-digit="5"] { background-size: 309.677% 316.667%; background-position: 50% 50%; }
.num[data-digit="6"] { background-size: 309.677% 487.179%; background-position: 97.692% 56.954%; }
.num[data-digit="7"] { background-size: 314.754% 316.667%; background-position: 1.527% 98.462%; }
.num[data-digit="8"] { background-size: 309.677% 316.667%; background-position: 50% 98.462%; }
.num[data-digit="9"] { background-size: 325.424% 316.667%; background-position: 96.992% 98.462%; }

.num.is-drawn {
  background-image: none;
  background: var(--ak-ink);
  color: var(--ak-bg);
  font-family: var(--ak-font-body);
  font-size: 30px;
  font-weight: 700;
  border-radius: 16px;
  box-shadow: var(--ak-shadow), inset 0 0 0 4px var(--ak-accent-2), inset 0 0 0 7px var(--ak-bg);
}

.tools {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 4px;
  align-items: stretch;
}

.jot-charm {
  position: absolute;
  z-index: 1;
  left: 4px;
  bottom: 2px;
  width: 28px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px var(--ak-glow));
  pointer-events: none;
}

.pencil,
.clear,
.check {
  position: relative;
  overflow: hidden;
  background: var(--ak-surface);
  color: var(--ak-ink);
  font-weight: 700;
}

.pencil img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}

.pencil img.jot-charm {
  inset: 2px auto auto 2px;
  z-index: 2;
  width: 16px;
  height: 22px;
  object-fit: contain;
}

.pencil span,
.clear,
.check {
  font-family: var(--ak-font-display);
  font-size: 16px;
  font-weight: var(--ak-title-weight);
}

.pencil span {
  position: absolute;
  z-index: 1;
  left: 4px;
  right: 4px;
  bottom: 3px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--ak-bg) 78%, transparent);
  color: var(--ak-ink);
  line-height: 1.1;
}

.pencil.is-on {
  box-shadow: var(--ak-shadow), 0 0 12px var(--ak-glow);
  outline: 2px solid var(--ak-accent-2);
}

.check {
  background: var(--ak-btn-fill);
  color: var(--ak-btn-ink);
}

.fx {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  overflow: hidden;
}

.bit {
  position: absolute;
  top: 46%;
  left: 50%;
  width: 8px;
  height: 12px;
  border-radius: 2px;
  opacity: 0;
}

.bit.is-a { background: var(--ak-accent); }
.bit.is-b { background: var(--ak-accent-2); }
.bit.is-c { background: var(--ak-ink); }

.fly {
  position: absolute;
  inset: 18%;
  display: grid;
  place-items: center;
  color: var(--ak-accent);
  font-size: 62cqmin;
  font-weight: 700;
  pointer-events: none;
}

.result {
  position: absolute;
  z-index: 6;
  left: max(8px, env(safe-area-inset-left, 0px));
  right: max(8px, env(safe-area-inset-right, 0px));
  bottom: max(8px, env(safe-area-inset-bottom, 0px));
}

.result-card {
  padding: 12px;
  border: 2px solid var(--ak-outline);
  border-radius: var(--ak-radius);
  background: var(--ak-surface);
  box-shadow: var(--ak-shadow), 0 0 16px var(--ak-glow);
}

.result-says {
  margin: 0;
  font-family: var(--ak-font-display);
  font-size: clamp(22px, 5.4vw, 30px);
  font-weight: var(--ak-title-weight);
  line-height: 1.1;
  color: var(--ak-ink);
}

.result-score {
  margin: 6px 0 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ak-accent);
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.btn-go,
.btn-alt {
  flex: 1 1 140px;
  padding: 0 12px;
  font-family: var(--ak-font-display);
  font-size: 16px;
  font-weight: var(--ak-title-weight);
}

.btn-go {
  background: var(--ak-btn-fill);
  color: var(--ak-btn-ink);
}

.btn-alt {
  background: var(--ak-choice-bg);
  color: var(--ak-choice-ink);
}

.cell:focus-visible,
.num:focus-visible,
.pencil:focus-visible,
.clear:focus-visible,
.check:focus-visible,
.hint:focus-visible,
.mute:focus-visible,
.btn-go:focus-visible,
.btn-alt:focus-visible {
  outline: 3px solid var(--ak-focus);
  outline-offset: 2px;
}

.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;
}

.boot-error {
  margin: 24px;
  color: var(--ak-ink);
  font-family: var(--ak-font-body);
}

@media (hover: hover) {
  .check:hover,
  .hint:hover,
  .btn-go:hover {
    background: var(--ak-btn-hover);
  }

  .clear:hover,
  .btn-alt:hover,
  .mute:hover {
    background: var(--ak-choice-bg);
  }
}

@media (max-width: 389px) {
  .play {
    --gap: 4px;
  }

  .goal {
    font-size: 12px;
  }

  .play-logo {
    height: 36px;
  }

  .turn-who {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .play-logo {
    animation: floaty 3.2s ease-in-out infinite;
  }

  .wink {
    animation: wink 2.6s ease-in-out infinite;
  }

  .jot-charm {
    animation: floaty 3.6s ease-in-out infinite;
  }

  .voice.is-invite {
    animation: invite 1.8s ease-in-out infinite;
  }

  .cell.is-coach {
    animation: coach 1.3s ease-in-out infinite;
  }

  .turn.is-cue {
    animation: cue 420ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .num,
  .pencil,
  .clear,
  .check,
  .hint,
  .mute,
  .btn-go,
  .btn-alt,
  .cell {
    transition: transform 80ms ease;
  }

  .num:active,
  .pencil:active,
  .clear:active,
  .check:active,
  .hint:active,
  .mute:active,
  .btn-go:active,
  .btn-alt:active,
  .cell:active {
    transform: scale(0.94, 1.05);
  }

  .num.is-tap {
    animation: squish 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .digit.is-land {
    animation: land 320ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .cell.is-wiggle {
    animation: wiggle 380ms ease-in-out;
  }

  .notes i.is-pop {
    animation: pop 240ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .fly {
    animation: hop 380ms ease-in forwards;
  }

  .board.is-win .box {
    animation: pulse 900ms ease-in-out;
    animation-delay: calc(var(--i) * 90ms);
  }

  .bit.is-go {
    animation: burst 900ms ease-out forwards;
    animation-delay: var(--delay, 0ms);
  }
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes wink {
  0%, 100% { opacity: 0.35; transform: scale(0.8); }
  45% { opacity: 1; transform: scale(1.15); }
  55% { opacity: 0.2; transform: scale(0.7); }
}

@keyframes invite {
  0%, 100% { box-shadow: var(--ak-shadow), 0 0 8px var(--ak-glow); }
  50% { box-shadow: var(--ak-shadow), 0 0 16px var(--ak-accent); }
}

@keyframes coach {
  0%, 100% { box-shadow: inset 0 0 0 2px var(--ak-accent-2), 0 0 6px var(--ak-glow); }
  50% { box-shadow: inset 0 0 0 3px var(--ak-accent), 0 0 14px var(--ak-glow); }
}

@keyframes cue {
  0% { transform: scale(0.92); }
  60% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

@keyframes squish {
  0% { transform: scale(1, 1); }
  40% { transform: scale(1.08, 0.88); }
  100% { transform: scale(1, 1); }
}

@keyframes land {
  0% { transform: scale(0.3, 0.3); }
  55% { transform: scale(1.18, 0.82); }
  100% { transform: scale(1, 1); }
}

@keyframes wiggle {
  0%, 100% { transform: translateX(0) rotate(0deg); }
  30% { transform: translateX(-4px) rotate(-2deg); }
  70% { transform: translateX(4px) rotate(2deg); }
}

@keyframes pop {
  0% { transform: scale(0.2); }
  70% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

@keyframes hop {
  0% { transform: translateY(0) scale(1); opacity: 1; }
  100% { transform: translateY(-18px) scale(0.6); opacity: 0; }
}

@keyframes pulse {
  0%, 100% { box-shadow: inset 0 0 0 0 transparent; }
  40% { box-shadow: inset 0 0 0 4px var(--ak-glow), 0 0 18px var(--ak-glow); }
}

@keyframes burst {
  0% { opacity: 1; transform: translate(0, 0) scale(1) rotate(0deg); }
  100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0.6) rotate(160deg); }
}