:root {
  color-scheme: light;
  --canvas: #f4f0e7;
  --canvas-deep: #ebe5da;
  --surface: #fffdfa;
  --surface-raised: #ffffff;
  --ink: #17211d;
  --muted: #667069;
  --muted-soft: #8b928d;
  --line: #d8d5cc;
  --line-strong: #bbbdb5;
  --accent: #1f6b52;
  --accent-deep: #15533f;
  --accent-soft: #dcebe4;
  --accent-pale: #edf5f1;
  --red-suit: #b83a37;
  --black-suit: #23302a;
  --score-0: #68736d;
  --score-2: #4d7288;
  --score-5: #2f7c75;
  --score-7: #4f7c49;
  --score-8: #6269a4;
  --score-9: #885e91;
  --score-12: #a45643;
  --score-16: #a13f67;
  --perfect-gold: #c28e16;
  --perfect-gold-soft: #f4e5b2;
  --shadow: 0 16px 45px rgb(35 43 38 / 9%);
  --card-shadow: 0 4px 12px rgb(29 36 32 / 8%), 0 1px 2px rgb(29 36 32 / 8%);
  --lift-shadow: 0 18px 32px rgb(22 33 28 / 18%), 0 4px 8px rgb(22 33 28 / 10%);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-settle: cubic-bezier(.2, .8, .2, 1);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Baskerville, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--canvas);
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% -15%, rgb(255 255 255 / 82%), transparent 42%),
    var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

button:not(:disabled) {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 72%, white);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.ambient-orb {
  position: fixed;
  z-index: -1;
  top: -20vw;
  left: 50%;
  width: min(76vw, 760px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(154 195 176 / 17%), rgb(154 195 176 / 0%) 68%);
  transform: translateX(-50%);
  pointer-events: none;
}

.app-shell {
  display: flex;
  flex-direction: column;
  width: min(100%, 500px);
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(8px, env(safe-area-inset-top)) 16px max(10px, env(safe-area-inset-bottom));
}

.topbar {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  align-items: center;
  min-height: 62px;
}

.brand-lockup {
  text-align: center;
}

.brand-lockup h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 5.5vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1;
}

.brand-lockup h1 i {
  margin-inline: .08em;
  color: var(--accent);
  font-size: .66em;
  font-weight: 400;
}

.brand-lockup p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.icon-button {
  display: inline-grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  transition: background-color 140ms ease, transform 100ms ease;
}

.icon-button:hover {
  background: rgb(255 255 255 / 62%);
}

.icon-button:active {
  transform: scale(.95);
}

.icon-button svg,
.dock-button svg,
.secondary-button svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.icon-button.small {
  width: 36px;
  height: 36px;
  font-family: var(--serif);
  font-size: 1.75rem;
}

.game {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  gap: clamp(6px, 1.2svh, 12px);
  width: 100%;
}

.game-status {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(100%, 394px);
  min-height: 36px;
}

.mode-label,
.turn-label {
  margin: 0;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.mode-label {
  justify-self: start;
}

.turn-label {
  justify-self: center;
}

.turn-label span {
  color: var(--ink);
}

.score-pill {
  display: flex;
  min-width: 64px;
  min-height: 34px;
  padding: 4px 9px;
  justify-self: end;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line));
  border-radius: 999px;
  background: rgb(255 255 255 / 58%);
  color: var(--accent-deep);
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  transition: transform 180ms var(--ease-out), background-color 180ms ease;
}

.score-pill small {
  color: var(--muted-soft);
  font-family: var(--sans);
  font-size: .62rem;
  font-weight: 600;
}

.score-pill.is-updating {
  background: var(--accent-soft);
  transform: scale(1.07);
}

.score-pill.is-concealed {
  border-color: var(--line);
  color: var(--muted);
}

.preview-rail {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  width: min(100%, 356px);
  min-height: 40px;
  margin: 0;
  padding: 0;
  gap: 3px;
  list-style: none;
}

.preview-item {
  position: relative;
  min-width: 0;
  aspect-ratio: .82;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgb(255 253 250 / 68%);
  color: var(--black-suit);
  transition: opacity 180ms ease, transform 180ms var(--ease-out), border-color 180ms ease, background-color 180ms ease;
}

.preview-card {
  position: absolute;
  inset: 0;
  width: 100%;
  padding: 0;
  touch-action: manipulation;
  border: 0;
  border-radius: inherit;
  background: transparent;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

.preview-card:focus-visible {
  outline-offset: 2px;
}

.preview-item.is-selectable:not(.is-current):hover {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--line));
  background: rgb(255 255 255 / 88%);
  transform: translateY(-1px);
}

.preview-item.is-selectable:active {
  transform: translateY(0) scale(.95);
}

.preview-item.is-red {
  color: var(--red-suit);
}

.preview-item.is-current {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 2px var(--accent-soft);
  transform: translateY(-2px);
}

.preview-item.is-placed {
  border-color: transparent;
  background: color-mix(in srgb, var(--accent-soft) 62%, transparent);
  color: var(--accent);
  opacity: .58;
}

.preview-item.is-placed::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--accent-deep);
  content: "✓";
  font-size: .78rem;
  font-weight: 800;
  pointer-events: none;
}

.preview-item.is-placed .mini-rank,
.preview-item.is-placed .mini-suit {
  opacity: 0;
}

.mini-rank {
  position: absolute;
  top: 3px;
  left: 4px;
  font-family: var(--serif);
  font-size: clamp(.64rem, 3vw, .82rem);
  font-weight: 700;
  line-height: 1;
}

.mini-suit {
  position: absolute;
  right: 3px;
  bottom: 2px;
  font-size: clamp(.52rem, 2.5vw, .68rem);
  line-height: 1;
}

.board-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  width: 100%;
}

.board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  width: min(calc(100vw - 32px), 356px, 43svh);
  min-width: 246px;
  aspect-ratio: 1;
  gap: 8px;
  isolation: isolate;
}

.board::before {
  position: absolute;
  z-index: -2;
  inset: -10px;
  border: 1px solid rgb(23 33 29 / 6%);
  border-radius: 24px;
  background: rgb(255 255 255 / 22%);
  box-shadow: inset 0 0 30px rgb(255 255 255 / 38%);
  content: "";
}

.board-cell {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 0;
  overflow: visible;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: clamp(12px, 3.5vw, 17px);
  background: rgb(255 255 255 / 30%);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 38%);
  transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease, transform 120ms ease;
}

.board-cell::after {
  position: absolute;
  inset: 8px;
  border: 1px dashed rgb(65 78 70 / 12%);
  border-radius: 10px;
  content: "";
  pointer-events: none;
}

.board-cell.center-cell:not(.is-filled)::before {
  position: absolute;
  inset: 50% auto auto 50%;
  color: color-mix(in srgb, var(--accent) 45%, var(--muted-soft));
  content: "4×";
  font-family: var(--serif);
  font-size: clamp(.85rem, 4vw, 1.05rem);
  font-weight: 700;
  transform: translate(-50%, -50%);
}

.board-cell.is-filled {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

.board-cell.is-filled::after {
  display: none;
}

.board-cell:not(.is-filled):not(:disabled):hover,
.board-cell.is-drop-target {
  border-color: var(--accent);
  background: var(--accent-pale);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}

.board-cell.is-selected .card-face {
  box-shadow: 0 0 0 3px var(--accent), var(--lift-shadow);
  transform: translateY(-3px) scale(1.015);
}

.board-cell.is-pocket .card-face {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 74%, white), var(--card-shadow);
}

.card-face {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  padding: 9px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgb(30 42 36 / 10%);
  border-radius: inherit;
  background:
    linear-gradient(145deg, rgb(255 255 255 / 85%), rgb(255 252 247 / 65%)),
    var(--surface);
  box-shadow: var(--card-shadow);
  color: var(--black-suit);
  user-select: none;
  -webkit-user-select: none;
  transition: box-shadow 140ms ease, transform 140ms var(--ease-out), opacity 140ms ease;
}

.card-face::after {
  position: absolute;
  inset: 5px;
  border: 1px solid rgb(27 38 32 / 5%);
  border-radius: calc(clamp(12px, 3.5vw, 17px) - 5px);
  content: "";
  pointer-events: none;
}

.card-face.is-red {
  color: var(--red-suit);
}

.card-rank {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 11vw, 3.35rem);
  font-weight: 600;
  letter-spacing: -.05em;
  line-height: 1;
}

.card-suit {
  margin-top: -.08em;
  font-size: clamp(1.05rem, 5vw, 1.45rem);
  line-height: 1;
}

.card-corner {
  position: absolute;
  top: 8px;
  left: 9px;
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--serif);
  font-size: clamp(.68rem, 3.2vw, .9rem);
  font-weight: 700;
  line-height: 1;
}

.card-corner.bottom {
  inset: auto 9px 8px auto;
  transform: rotate(180deg);
}

.pocket-outline {
  position: absolute;
  z-index: 4;
  width: calc(66.6667% - 2.6667px);
  height: calc(66.6667% - 2.6667px);
  border: 2px solid transparent;
  border-radius: clamp(18px, 5vw, 24px);
  opacity: 0;
  pointer-events: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.pocket-outline.is-visible {
  border-color: color-mix(in srgb, var(--pocket-color) 82%, white);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--pocket-color) 24%, transparent);
  opacity: .9;
}

.pocket-outline.is-best-pocket {
  border-color: var(--pocket-color);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--pocket-color) 28%, transparent),
    0 0 0 3px color-mix(in srgb, var(--perfect-gold) 72%, transparent),
    0 0 16px color-mix(in srgb, var(--perfect-gold) 30%, transparent);
}

.pocket-outline-nw { top: 0; left: 0; }
.pocket-outline-ne { top: 0; right: 0; }
.pocket-outline-sw { bottom: 0; left: 0; }
.pocket-outline-se { right: 0; bottom: 0; }

.pocket-node {
  --pocket-color: var(--line-strong);
  position: absolute;
  z-index: 6;
  display: grid;
  width: 30px;
  height: 30px;
  padding: 0;
  place-items: center;
  border: 3px solid var(--canvas);
  border-radius: 50%;
  background: var(--line-strong);
  box-shadow: 0 2px 7px rgb(23 33 29 / 17%);
  color: white;
  font-size: .72rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  opacity: .68;
  transform: translate(-50%, -50%);
  transition: width 160ms var(--ease-out), height 160ms var(--ease-out), background-color 160ms ease, opacity 160ms ease, transform 160ms var(--ease-out);
}

.pocket-node:not(.is-complete) {
  pointer-events: none;
}

.pocket-node.is-complete {
  width: 34px;
  height: 34px;
  opacity: 1;
}

.pocket-node.is-visible {
  background: var(--pocket-color);
}

.pocket-node.is-hidden-score {
  background: #68736d;
  color: rgb(255 255 255 / 88%);
}

.pocket-node.is-best-pocket {
  border-color: var(--perfect-gold-soft);
  box-shadow:
    0 0 0 3px var(--perfect-gold),
    0 4px 12px rgb(102 72 8 / 24%);
}

.pocket-node.is-popping {
  animation: pocket-pop 320ms var(--ease-out);
}

.pocket-node-nw { top: 33.333%; left: 33.333%; }
.pocket-node-ne { top: 33.333%; left: 66.667%; }
.pocket-node-sw { top: 66.667%; left: 33.333%; }
.pocket-node-se { top: 66.667%; left: 66.667%; }

.score-0 { --pocket-color: var(--score-0); }
.score-2 { --pocket-color: var(--score-2); }
.score-5 { --pocket-color: var(--score-5); }
.score-7 { --pocket-color: var(--score-7); }
.score-8 { --pocket-color: var(--score-8); }
.score-9 { --pocket-color: var(--score-9); }
.score-12 { --pocket-color: var(--score-12); }
.score-16 { --pocket-color: var(--score-16); }

.board-caption {
  min-height: 17px;
  margin: 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: .88rem;
  font-style: italic;
  text-align: center;
}

.play-dock,
.action-dock {
  width: min(100%, 394px);
  min-height: 88px;
  margin-top: auto;
}

.play-dock {
  display: grid;
  grid-template-columns: 72px 1fr 72px;
  align-items: end;
}

.dock-button {
  display: flex;
  min-width: 64px;
  min-height: 58px;
  padding: 7px 5px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--muted);
  font-size: .66rem;
  font-weight: 700;
  transition: background-color 140ms ease, color 140ms ease, transform 100ms ease, opacity 140ms ease;
}

.dock-button:not(:disabled):hover {
  background: rgb(255 255 255 / 58%);
  color: var(--ink);
}

.dock-button:not(:disabled):active {
  transform: scale(.96);
}

.dock-button:disabled {
  opacity: .3;
}

.dock-button.is-takeout {
  color: var(--accent-deep);
}

.current-card-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.current-card-wrap.is-drop-target .current-card,
.current-card-wrap.has-selection .current-card {
  border-radius: 16px;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 72%, white);
}

.current-card-wrap.is-drop-target .current-card {
  background: var(--accent-soft);
  transform: translateY(-3px) scale(1.03);
}

.current-card-wrap > p {
  margin: 0;
  color: var(--muted);
  font-size: .6rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.current-card {
  width: clamp(62px, 18vw, 72px);
  aspect-ratio: 1;
  padding: 0;
  touch-action: none;
  border: 0;
  border-radius: 14px;
  background: transparent;
  transition: transform 120ms var(--ease-out), opacity 120ms ease;
}

.current-card:active {
  transform: translateY(-4px) scale(1.025);
}

.current-card .card-rank {
  font-size: clamp(1.7rem, 8vw, 2.3rem);
}

.current-card .card-suit {
  font-size: clamp(.85rem, 4vw, 1.1rem);
}

.current-card .card-corner {
  display: none;
}

.current-card.is-dragging {
  opacity: .18;
}

.drag-ghost {
  position: fixed;
  z-index: 100;
  width: 76px;
  height: 76px;
  border-radius: 15px;
  pointer-events: none;
  transform: translate(-50%, -50%) rotate(1.5deg) scale(1.03);
  filter: drop-shadow(0 16px 18px rgb(19 28 24 / 24%));
}

.drag-ghost .card-rank {
  font-size: 2.25rem;
}

.drag-ghost .card-suit {
  font-size: 1.05rem;
}

.drag-ghost .card-corner {
  display: none;
}

.action-dock {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.primary-button,
.secondary-button,
.text-button {
  min-height: 48px;
  border-radius: 999px;
  font-weight: 750;
  letter-spacing: -.01em;
  transition: transform 100ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.primary-button {
  min-width: min(100%, 230px);
  padding: 12px 24px;
  border: 1px solid var(--accent);
  background: var(--accent);
  box-shadow: 0 7px 18px rgb(31 107 82 / 18%);
  color: white;
}

.primary-button:hover {
  background: var(--accent-deep);
  box-shadow: 0 9px 22px rgb(31 107 82 / 23%);
}

.primary-button:active,
.secondary-button:active,
.text-button:active {
  transform: scale(.975);
}

.primary-button.wide,
.text-button.wide {
  width: 100%;
}

.secondary-button {
  display: inline-flex;
  min-width: 112px;
  padding: 11px 18px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.secondary-button svg {
  width: 18px;
  height: 18px;
}

.text-button {
  padding: 11px 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--accent-deep);
}

.result-copy {
  text-align: center;
}

.result-score {
  display: flex;
  margin: 0;
  align-items: baseline;
  justify-content: center;
  gap: 5px;
  font-family: var(--serif);
  font-variant-numeric: tabular-nums;
}

.result-score strong {
  font-size: 2.05rem;
  line-height: .9;
}

.result-score span {
  color: var(--muted);
  font-size: 1rem;
}

.result-copy > p:last-child {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: .78rem;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.result-actions .reveal-button {
  width: 100%;
  min-height: 40px;
  padding-block: 7px;
  border-color: transparent;
}

.score-action-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.score-action-row .primary-button {
  min-width: 0;
  max-width: 230px;
  flex: 1;
}

.mini-action {
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
}

.mini-action:disabled {
  opacity: .35;
}

.mini-action.is-drop-target {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-deep);
  transform: scale(1.06);
}

.mini-action svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.result-actions .primary-button {
  display: inline-flex;
  min-width: 154px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.result-actions .primary-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.first-hint {
  margin: -2px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: .78rem;
  font-style: italic;
  text-align: center;
}

.quiet-footer {
  display: flex;
  min-height: 34px;
  padding-top: 5px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--muted-soft);
  font-size: .68rem;
}

.quiet-footer button {
  min-height: 30px;
  padding: 4px;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.quiet-footer button:hover {
  color: var(--ink);
}

.toast {
  position: fixed;
  z-index: 200;
  bottom: calc(20px + env(safe-area-inset-bottom));
  left: 50%;
  max-width: calc(100vw - 32px);
  padding: 10px 15px;
  border: 1px solid rgb(255 255 255 / 14%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink) 94%, transparent);
  box-shadow: 0 10px 30px rgb(0 0 0 / 20%);
  color: white;
  font-size: .76rem;
  font-weight: 650;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 180ms ease, transform 220ms var(--ease-out);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.perfect-ring {
  position: fixed;
  z-index: 150;
  top: 50%;
  left: 50%;
  width: 70px;
  height: 70px;
  border: 3px solid var(--accent);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(.3);
}

.perfect-ring.is-active {
  animation: perfect-ring 900ms var(--ease-out);
}

.sheet {
  width: min(calc(100% - 24px), 440px);
  max-height: min(88dvh, 720px);
  margin: auto auto max(8px, env(safe-area-inset-bottom));
  padding: 30px 22px 22px;
  overflow-x: hidden;
  overflow-y: auto;
  border: 1px solid rgb(38 49 43 / 10%);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgb(24 32 28 / 24%);
  color: var(--ink);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 220ms ease, transform 240ms var(--ease-out), display 240ms allow-discrete, overlay 240ms allow-discrete;
  scrollbar-width: none;
}

.sheet::-webkit-scrollbar {
  display: none;
}

.sheet[open] {
  opacity: 1;
  transform: translateY(0);
}

@starting-style {
  .sheet[open] {
    opacity: 0;
    transform: translateY(14px);
  }
}

.sheet::backdrop {
  background: rgb(20 29 25 / 0%);
  backdrop-filter: blur(0);
  transition: background-color 220ms ease, backdrop-filter 220ms ease, display 240ms allow-discrete, overlay 240ms allow-discrete;
}

.sheet[open]::backdrop {
  background: rgb(20 29 25 / 35%);
  backdrop-filter: blur(3px);
}

@starting-style {
  .sheet[open]::backdrop {
    background: rgb(20 29 25 / 0%);
    backdrop-filter: blur(0);
  }
}

.sheet-handle {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 40px;
  height: 4px;
  border-radius: 999px;
  background: var(--line);
  transform: translateX(-50%);
}

.sheet-close {
  position: absolute;
  top: 13px;
  right: 15px;
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0 0 2px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--canvas);
  color: var(--muted);
  font-size: 1.55rem;
  font-weight: 300;
  line-height: 1;
}

.eyebrow {
  margin: 5px 0 7px;
  color: var(--accent);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.sheet h2,
.tutorial-slide h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 8vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.05;
}

.sheet-intro,
.tutorial-slide > p:last-child {
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.45;
}

.tutorial-visual {
  display: flex;
  margin: 2px auto 15px;
  flex-direction: column;
  align-items: center;
}

.tutorial-example-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  width: min(58vw, 218px);
  aspect-ratio: 1;
  gap: 5px;
}

.tutorial-example-cell {
  min-width: 0;
  min-height: 0;
  border-radius: 10px;
  transition: opacity 200ms ease, filter 200ms ease, transform 220ms var(--ease-out);
}

.tutorial-example-cell .card-face {
  padding: 5px;
  border-radius: 10px;
}

.tutorial-example-cell .card-face::after {
  inset: 3px;
  border-radius: 7px;
}

.tutorial-example-cell .card-rank {
  font-size: clamp(1.38rem, 7vw, 1.78rem);
}

.tutorial-example-cell .card-suit {
  font-size: clamp(.68rem, 3vw, .85rem);
}

.tutorial-example-cell .card-corner {
  top: 5px;
  left: 6px;
  font-size: clamp(.48rem, 2.2vw, .62rem);
}

.tutorial-example-cell .card-corner.bottom {
  inset: auto 6px 5px auto;
}

.tutorial-example-cell.is-muted {
  opacity: .28;
  filter: grayscale(.7);
}

.tutorial-example-cell.is-center-focus {
  z-index: 5;
  transform: scale(1.045);
}

.tutorial-example-cell.is-center-focus .card-face {
  box-shadow: 0 0 0 3px var(--accent), 0 10px 22px rgb(31 107 82 / 22%);
}

.tutorial-pocket-outline {
  position: absolute;
  z-index: 4;
  width: calc(66.6667% - 1.6667px);
  height: calc(66.6667% - 1.6667px);
  border: 2px solid var(--line-strong);
  border-radius: 15px;
  opacity: 0;
  pointer-events: none;
  transition: border-color 220ms ease, box-shadow 220ms ease, opacity 220ms ease;
}

.tutorial-pocket-outline.is-preview {
  border-color: color-mix(in srgb, var(--accent) 46%, var(--line));
  opacity: .52;
}

.tutorial-pocket-outline.is-subdued {
  opacity: .1;
}

.tutorial-pocket-outline.is-active {
  border-color: var(--pocket-color);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--pocket-color) 24%, transparent);
  opacity: .92;
}

.tutorial-pocket-outline.is-best-pocket {
  box-shadow: 0 0 0 3px var(--perfect-gold), 0 0 13px color-mix(in srgb, var(--perfect-gold) 32%, transparent);
}

.tutorial-pocket-node {
  position: absolute;
  z-index: 7;
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--line-strong);
  box-shadow: 0 2px 6px rgb(23 33 29 / 16%);
  color: white;
  font-size: .62rem;
  font-weight: 800;
  opacity: .55;
  transform: translate(-50%, -50%);
  transition: background-color 220ms ease, box-shadow 220ms ease, opacity 220ms ease, transform 220ms var(--ease-out);
}

.tutorial-pocket-node.is-subdued {
  opacity: .18;
}

.tutorial-pocket-node.is-active {
  background: var(--pocket-color);
  opacity: 1;
}

.tutorial-pocket-node.is-best-pocket {
  border-color: var(--perfect-gold-soft);
  box-shadow: 0 0 0 3px var(--perfect-gold), 0 3px 9px rgb(102 72 8 / 22%);
}

.tutorial-visual[data-step="0"] .tutorial-pocket-node.is-preview {
  animation: tutorial-pocket 1.9s ease-in-out 2;
}

.tutorial-visual[data-step="0"] [data-tutorial-pocket-node="1"] { animation-delay: 120ms; }
.tutorial-visual[data-step="0"] [data-tutorial-pocket-node="2"] { animation-delay: 240ms; }
.tutorial-visual[data-step="0"] [data-tutorial-pocket-node="3"] { animation-delay: 360ms; }

.tutorial-visual[data-step="1"] .tutorial-pocket-outline.is-active {
  animation: tutorial-outline-pulse 1.6s ease-in-out 2;
}

.tutorial-example-callout {
  min-height: 28px;
  margin: 9px 0 0;
  padding: 6px 11px;
  border: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  border-radius: 999px;
  background: var(--canvas);
  color: var(--muted);
  font-size: .64rem;
  font-weight: 750;
  letter-spacing: .01em;
  line-height: 1.25;
  text-align: center;
}

.tutorial-slide {
  display: none;
  min-height: 132px;
}

.tutorial-slide.is-active {
  display: block;
  animation: slide-in 240ms var(--ease-out);
}

.tutorial-footer {
  display: flex;
  margin-top: 8px;
  align-items: center;
  justify-content: space-between;
}

.tutorial-footer .primary-button {
  min-width: 116px;
}

.tutorial-dots {
  display: flex;
  gap: 6px;
}

.tutorial-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
  transition: width 180ms var(--ease-out), background-color 180ms ease;
}

.tutorial-dots i.is-active {
  width: 18px;
  border-radius: 999px;
  background: var(--accent);
}

.hands-list {
  display: grid;
  margin: 18px 0 0;
  padding: 0;
  gap: 2px;
  list-style: none;
}

.hands-list li {
  display: flex;
  min-height: 42px;
  padding: 8px 4px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
}

.hands-list li:last-child {
  border-bottom: 0;
}

.hands-list span {
  font-family: var(--serif);
  font-size: 1.03rem;
}

.hands-list strong {
  display: grid;
  min-width: 34px;
  min-height: 28px;
  padding: 4px 8px;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: .75rem;
}

.calendar-header {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  margin: 18px 0 12px;
  align-items: center;
}

.calendar-header p {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 650;
  text-align: center;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-weekdays {
  margin-bottom: 4px;
  color: var(--muted-soft);
  font-size: .61rem;
  font-weight: 800;
  text-align: center;
}

.calendar-day,
.calendar-empty {
  min-width: 0;
  min-height: 46px;
}

.calendar-day {
  position: relative;
  display: flex;
  padding: 5px 2px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  font-size: .78rem;
  font-variant-numeric: tabular-nums;
}

.calendar-day small {
  margin-top: 2px;
  color: var(--muted);
  font-size: .53rem;
}

.calendar-day.is-played {
  background: var(--accent-pale);
  color: var(--accent-deep);
}

.calendar-day.is-perfect {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--accent-soft);
  font-weight: 800;
}

.calendar-day.is-selected {
  box-shadow: inset 0 0 0 2px var(--ink);
}

.calendar-day:disabled {
  color: var(--line-strong);
  cursor: default;
}

.archive-legend {
  display: flex;
  margin-top: 14px;
  justify-content: center;
  gap: 18px;
  color: var(--muted);
  font-size: .64rem;
}

.archive-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.archive-legend i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-pale);
}

.archive-legend .perfect-dot {
  border: 1px solid var(--accent);
  background: var(--accent-soft);
}

.settings-list {
  margin: 18px 0;
  border-top: 1px solid var(--line);
}

.guidance-setting {
  margin: 0;
  padding: 14px 0 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.guidance-setting legend {
  display: flex;
  width: 100%;
  padding: 0 0 11px;
  flex-direction: column;
  gap: 3px;
}

.guidance-setting legend strong {
  font-size: .88rem;
}

.guidance-setting legend small {
  color: var(--muted);
  font-size: .67rem;
}

.guidance-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  gap: 3px;
  border-radius: 16px;
  background: var(--canvas-deep);
}

.guidance-options label {
  position: relative;
  min-width: 0;
}

.guidance-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.guidance-options span {
  display: flex;
  min-height: 58px;
  padding: 8px 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border: 1px solid transparent;
  border-radius: 13px;
  text-align: center;
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.guidance-options b {
  font-size: .82rem;
}

.guidance-options small {
  color: var(--muted);
  font-size: .6rem;
  line-height: 1.25;
}

.guidance-options input:checked + span {
  border-color: color-mix(in srgb, var(--accent) 22%, var(--line));
  background: var(--surface);
  box-shadow: 0 3px 10px rgb(27 39 33 / 7%);
}

.guidance-options input:focus-visible + span {
  outline: 3px solid color-mix(in srgb, var(--accent) 72%, white);
  outline-offset: 2px;
}

.setting-row {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
}

.setting-row > span {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.setting-row strong {
  font-size: .88rem;
}

.setting-row small {
  color: var(--muted);
  font-size: .67rem;
}

.setting-row input[type="checkbox"] {
  position: relative;
  width: 48px;
  height: 28px;
  margin: 0;
  flex: 0 0 auto;
  border: 0;
  border-radius: 999px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--line-strong);
  transition: background-color 180ms ease;
}

.setting-row input[type="checkbox"]::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 2px 5px rgb(0 0 0 / 18%);
  content: "";
  transition: transform 180ms var(--ease-out);
}

.setting-row input[type="checkbox"]:checked {
  background: var(--accent);
}

.setting-row input[type="checkbox"]:checked::after {
  transform: translateX(20px);
}

.setting-row input[type="checkbox"]:disabled {
  opacity: .45;
}

.solution-total {
  display: flex;
  margin: 12px 0 14px;
  align-items: baseline;
  justify-content: center;
  gap: 5px;
  font-family: var(--serif);
  font-variant-numeric: tabular-nums;
}

.solution-total strong {
  color: var(--accent-deep);
  font-size: 2rem;
}

.solution-total span {
  color: var(--muted);
}

.solution-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  width: min(100%, 262px);
  margin: 0 auto 17px;
  aspect-ratio: 1;
  gap: 6px;
}

.solution-cell {
  min-width: 0;
  min-height: 0;
  border-radius: 12px;
}

.solution-cell .card-face {
  padding: 6px;
  border-radius: 12px;
}

.solution-cell .card-rank {
  font-size: 2rem;
}

.solution-cell .card-suit {
  font-size: .95rem;
}

.solution-cell .card-corner {
  top: 6px;
  left: 7px;
  font-size: .68rem;
}

.solution-cell .card-corner.bottom {
  inset: auto 7px 6px auto;
}

.solution-pocket-outline {
  position: absolute;
  z-index: 4;
  width: calc(66.6667% - 2px);
  height: calc(66.6667% - 2px);
  border: 2px solid var(--pocket-color);
  border-radius: 17px;
  opacity: .88;
  pointer-events: none;
}

.solution-pocket-outline.is-best-pocket {
  box-shadow: 0 0 0 2px var(--perfect-gold), 0 0 11px color-mix(in srgb, var(--perfect-gold) 28%, transparent);
}

.solution-pocket-node {
  position: absolute;
  z-index: 6;
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--pocket-color);
  box-shadow: 0 2px 7px rgb(23 33 29 / 17%);
  color: white;
  font-size: .68rem;
  font-weight: 800;
  transform: translate(-50%, -50%);
}

.solution-pocket-node.is-best-pocket {
  border-color: var(--perfect-gold-soft);
  box-shadow: 0 0 0 2px var(--perfect-gold), 0 3px 9px rgb(102 72 8 / 22%);
}

.solution-center {
  margin: 0 0 13px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: .92rem;
  line-height: 1.45;
  text-align: center;
}

.solution-breakdown {
  margin: 0;
  padding: 0;
  list-style: none;
}

.solution-breakdown li {
  display: flex;
  min-height: 48px;
  padding: 7px 3px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
}

.solution-breakdown li > span {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.solution-breakdown b {
  font-family: var(--serif);
  font-size: .94rem;
}

.solution-breakdown small {
  color: var(--muted);
  font-size: .65rem;
}

.solution-breakdown strong {
  display: grid;
  min-width: 34px;
  min-height: 30px;
  place-items: center;
  border: 2px solid var(--pocket-color);
  border-radius: 999px;
  color: var(--pocket-color);
  font-size: .72rem;
}

.solution-breakdown strong.is-best-pocket {
  box-shadow: 0 0 0 2px var(--perfect-gold-soft);
}

.solution-note {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: .68rem;
  line-height: 1.45;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 22px 0;
  gap: 8px;
}

.stats-grid div {
  display: flex;
  min-width: 0;
  padding: 12px 3px;
  flex-direction: column;
  align-items: center;
  border-radius: 14px;
  background: var(--canvas);
  text-align: center;
}

.stats-grid strong {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-variant-numeric: tabular-nums;
}

.stats-grid span {
  margin-top: 3px;
  color: var(--muted);
  font-size: .55rem;
  font-weight: 700;
  text-transform: uppercase;
}

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

@keyframes pocket-pop {
  0% { transform: translate(-50%, -50%) scale(.72); }
  60% { transform: translate(-50%, -50%) scale(1.12); }
  100% { transform: translate(-50%, -50%) scale(1); }
}

@keyframes perfect-ring {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.3); }
  18% { opacity: .9; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(9); }
}

@keyframes slide-in {
  from { opacity: 0; transform: translateX(8px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes tutorial-pocket {
  0%, 55%, 100% { transform: translate(-50%, -50%) scale(1); }
  15% { transform: translate(-50%, -50%) scale(1.28); }
}

@keyframes tutorial-outline-pulse {
  0%, 100% { opacity: .72; }
  50% { opacity: 1; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--pocket-color) 28%, transparent), 0 0 12px color-mix(in srgb, var(--pocket-color) 18%, transparent); }
}

@media (min-width: 700px) and (min-height: 760px) {
  .app-shell {
    padding-top: 14px;
  }

  .topbar {
    min-height: 68px;
  }
}

@media (max-height: 700px) {
  .app-shell {
    padding-top: max(3px, env(safe-area-inset-top));
  }

  .topbar {
    min-height: 52px;
  }

  .preview-rail {
    min-height: 32px;
    width: min(100%, 320px);
  }

  .play-dock,
  .action-dock {
    min-height: 72px;
  }

  .current-card {
    width: 58px;
  }

  .quiet-footer {
    min-height: 28px;
  }
}

@media (max-height: 620px) {
  .tutorial-sheet {
    max-height: calc(100dvh - 16px);
    padding: 24px 18px 14px;
  }

  .tutorial-visual {
    margin-bottom: 8px;
  }

  .tutorial-example-board {
    width: min(48vw, 164px);
  }

  .tutorial-example-callout {
    min-height: 24px;
    margin-top: 6px;
    padding: 4px 9px;
    font-size: .58rem;
  }

  .tutorial-slide {
    min-height: 0;
  }

  .tutorial-slide h2 {
    font-size: 1.48rem;
  }

  .tutorial-slide > p:last-child {
    margin-block: 9px 0;
    font-size: .88rem;
    line-height: 1.35;
  }

  .tutorial-slide .eyebrow {
    margin-block: 3px 5px;
  }

  .tutorial-footer {
    margin-top: 5px;
  }

  .tutorial-footer .primary-button {
    min-height: 44px;
  }

  .game.is-result .board,
  .game.is-chase .board {
    width: min(calc(100vw - 24px), 39svh);
  }

  .game.is-result,
  .game.is-chase {
    gap: 4px;
  }

  .game.is-result .action-dock,
  .game.is-chase .action-dock {
    gap: 6px;
  }
}

@media (max-width: 355px) {
  .app-shell {
    padding-inline: 12px;
  }

  .board {
    width: min(calc(100vw - 24px), 43svh);
  }

  .result-actions .primary-button {
    min-width: 145px;
    padding-inline: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 100ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 100ms !important;
  }
}

html[data-reduce-motion="true"] *,
html[data-reduce-motion="true"] *::before,
html[data-reduce-motion="true"] *::after {
  scroll-behavior: auto !important;
  animation-duration: 100ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 100ms !important;
}