:root {
  color-scheme: dark;
  --bg: #071512;
  --felt: #135f42;
  --felt-dark: #082f24;
  --felt-light: #1c7d58;
  --wood: #5a321f;
  --gold: #ffd27a;
  --good: #7df0b0;
  --bad: #ff8c8c;
  --panel: rgba(8, 23, 20, 0.78);
  --line: rgba(255, 255, 255, 0.14);
  --text: #f5fbf7;
  --muted: #b2c7be;
  --card: #f8faf5;
  --card-ink: #141b17;
  --red: #c92e36;
  --black: #121918;
  --card-w: clamp(42px, 5.2vw, 72px);
  --card-h: calc(var(--card-w) * 1.42);
  --ease: cubic-bezier(.2, .9, .2, 1);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

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

body {
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(90, 50, 31, 0.62), rgba(7, 21, 18, 0.86) 40%, rgba(4, 9, 10, 0.96)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.024) 0 2px, transparent 2px 26px),
    #071512;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  transition: transform 160ms var(--ease), background 160ms var(--ease), border-color 160ms var(--ease), opacity 160ms var(--ease), box-shadow 160ms var(--ease);
  touch-action: manipulation;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.14);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  width: 100%;
  height: 100dvh;
  min-height: 520px;
  overflow: hidden;
}

.topbar {
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: max(8px, env(safe-area-inset-top)) clamp(10px, 1.6vw, 20px) 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(90deg, rgba(5, 15, 13, 0.94), rgba(17, 58, 43, 0.78));
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 38px;
  border: 1px solid rgba(255, 210, 122, 0.58);
  border-radius: 7px;
  background: linear-gradient(145deg, rgba(255, 210, 122, 0.3), rgba(28, 125, 88, 0.42));
  color: var(--gold);
  font-size: 0.9rem;
  font-weight: 950;
  box-shadow: inset 0 0 18px rgba(255, 210, 122, 0.12);
}

.brand h1 {
  font-size: clamp(1.18rem, 2.4vw, 1.85rem);
  line-height: 1;
  white-space: nowrap;
}

.brand p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.84rem;
}

.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.turn-pill {
  min-width: 122px;
  max-width: 38vw;
  padding: 10px 12px;
  border: 1px solid rgba(125, 240, 176, 0.42);
  border-radius: 999px;
  background: rgba(28, 125, 88, 0.22);
  color: var(--good);
  font-weight: 900;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: inset 0 0 18px rgba(125, 240, 176, 0.08);
}

.icon-button {
  min-width: 64px;
  padding-inline: 12px;
}

.game-table {
  position: relative;
  display: grid;
  grid-template-rows: minmax(280px, 1.7fr) minmax(154px, 0.66fr);
  gap: clamp(8px, 1vw, 12px);
  min-height: 0;
  padding: clamp(8px, 1.2vw, 12px);
  border: clamp(8px, 1.4vw, 16px) solid rgba(84, 48, 29, 0.94);
  background:
    radial-gradient(ellipse at 50% 45%, rgba(28, 125, 88, 0.96) 0, rgba(19, 95, 66, 0.94) 46%, rgba(8, 47, 36, 0.97) 82%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 0 1px, transparent 1px 14px),
    var(--felt);
  box-shadow: inset 0 0 0 1px rgba(255, 214, 145, 0.18), inset 0 0 90px rgba(0, 0, 0, 0.36);
  overflow: hidden;
}

.game-table::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 210, 122, 0.1), transparent 22%),
    radial-gradient(circle at 84% 82%, rgba(255, 255, 255, 0.06), transparent 20%);
  mix-blend-mode: screen;
}

.tableau-wrap,
.play-zone {
  position: relative;
  z-index: 1;
  min-height: 0;
}

.tableau-wrap {
  display: grid;
  place-items: center;
  overflow: visible;
}

.tableau {
  position: relative;
  width: min(100%, calc(var(--card-w) * 10.9));
  height: calc(var(--card-h) * 3.15);
  min-height: 0;
}

.tableau-card {
  position: absolute;
  left: calc(var(--x) * 1%);
  top: calc(var(--y) * 1%);
  transform: translate(-50%, 0);
  width: var(--card-w);
  height: var(--card-h);
}

.tableau-card .card,
.tableau-card .card-back {
  width: 100%;
  height: 100%;
}

.tableau-card.newly-exposed .card {
  animation: flipIn 280ms var(--ease);
}

.play-zone {
  display: grid;
  grid-template-columns: minmax(110px, 0.56fr) minmax(110px, 0.56fr) minmax(180px, 0.8fr) minmax(220px, 1.08fr);
  align-items: stretch;
  gap: clamp(8px, 1.1vw, 14px);
  width: min(1100px, 100%);
  justify-self: center;
}

.stack,
.waste-stack,
.score-panel,
.message-panel,
.modal-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.stack,
.waste-stack {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  padding: 10px;
  overflow: hidden;
}

.stock-stack.can-draw {
  border-color: rgba(125, 240, 176, 0.55);
  box-shadow: 0 0 0 1px rgba(125, 240, 176, 0.18), var(--shadow);
}

.stack-card,
.waste-card-slot {
  display: grid;
  place-items: center;
  width: var(--card-w);
  height: var(--card-h);
}

.stack-card.back,
.card-back {
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent 38%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.12) 0 5px, transparent 5px 10px),
    linear-gradient(155deg, #143f55, #0b2433 52%, #174d39);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.34);
}

.stack-label,
.stack-count {
  font-size: 0.76rem;
  font-weight: 950;
}

.stack-count {
  color: var(--muted);
}

.score-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: center;
  gap: 7px;
  padding: 10px;
}

.score-panel div {
  display: grid;
  align-items: center;
  justify-items: center;
  gap: 3px;
  min-width: 0;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.055);
  text-align: center;
}

.score-panel strong {
  color: var(--gold);
  font-size: 1.18rem;
}

.mini-label {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 900;
  text-transform: uppercase;
}

.message-panel {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 10px;
  min-width: 0;
  padding: 12px;
}

.table-message,
.selection-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px;
  border-radius: 7px;
  line-height: 1.22;
  text-align: center;
}

.table-message {
  border: 1px solid rgba(255, 210, 122, 0.25);
  background: rgba(255, 210, 122, 0.1);
  color: #ffe4aa;
  font-weight: 900;
}

.selection-hint {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.16);
  color: var(--muted);
  font-size: 0.84rem;
}

.card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: var(--card-w);
  height: var(--card-h);
  padding: clamp(6px, 0.7vw, 9px);
  border: 1px solid rgba(15, 24, 21, 0.3);
  border-radius: 8px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.99), rgba(235, 240, 233, 0.97)),
    var(--card);
  color: var(--card-ink);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.28);
  user-select: none;
  transform-origin: bottom center;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), filter 180ms var(--ease);
}

button.card {
  min-height: 0;
}

button.card.playable {
  border-color: rgba(125, 240, 176, 0.78);
  box-shadow: 0 0 0 1px rgba(125, 240, 176, 0.24), 0 12px 24px rgba(0, 0, 0, 0.28);
}

button.card.playable:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 0 2px rgba(125, 240, 176, 0.32), 0 18px 32px rgba(0, 0, 0, 0.38);
}

button.card.unplayable {
  filter: saturate(0.76) brightness(0.88);
}

.card-back {
  width: var(--card-w);
  height: var(--card-h);
}

.card-rank,
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 950;
  line-height: 1;
}

.card-rank {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.card-suit {
  display: grid;
  place-items: center;
  font-size: clamp(1.42rem, 2.4vw, 2.05rem);
}

.card-foot {
  color: rgba(20, 27, 23, 0.68);
  font-size: clamp(0.54rem, 0.72vw, 0.68rem);
}

.red {
  color: var(--red);
}

.black {
  color: var(--black);
}

.moving-card {
  position: fixed;
  z-index: 100;
  pointer-events: none;
  margin: 0;
  transition: transform 280ms var(--ease), opacity 280ms var(--ease);
}

.is-moving-source {
  visibility: hidden;
}

.modal-backdrop {
  position: fixed;
  z-index: 60;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(1, 7, 6, 0.68);
  backdrop-filter: blur(8px);
  opacity: 1;
  transition: opacity 180ms var(--ease);
}

.modal-backdrop.is-hidden {
  pointer-events: none;
  opacity: 0;
}

.modal-card {
  width: min(900px, 100%);
  max-height: min(760px, calc(100dvh - 36px));
  overflow: auto;
  padding: clamp(16px, 2.4vw, 24px);
}

.menu-card,
.result-card {
  width: min(560px, 100%);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-head h2 {
  font-size: clamp(1.25rem, 2.7vw, 1.8rem);
}

.close-button {
  display: grid;
  place-items: center;
  width: 42px;
  min-width: 42px;
  height: 42px;
  padding: 0;
  font-size: 1.1rem;
}

.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.rules-grid section,
.save-status,
.save-details,
.summary-panel {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.055);
}

.rules-grid h3 {
  margin-bottom: 7px;
  color: var(--gold);
  font-size: 0.94rem;
}

.rules-grid p {
  color: rgba(244, 251, 247, 0.82);
  font-size: 0.92rem;
  line-height: 1.45;
}

.wide-action {
  width: 100%;
}

.primary-action {
  border-color: rgba(255, 210, 122, 0.55);
  background: linear-gradient(180deg, rgba(255, 210, 122, 0.26), rgba(127, 89, 31, 0.36));
  color: #fff5d5;
  font-weight: 950;
  box-shadow: inset 0 0 18px rgba(255, 210, 122, 0.12);
}

.save-status,
.save-details {
  margin-top: 14px;
  border-color: rgba(255, 210, 122, 0.22);
  background: rgba(255, 210, 122, 0.1);
  color: #ffe4aa;
  font-weight: 850;
  line-height: 1.35;
}

.save-details {
  border-color: rgba(125, 240, 176, 0.22);
  background: rgba(125, 240, 176, 0.08);
  color: rgba(244, 251, 247, 0.88);
}

.save-details:empty {
  display: none;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.three-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#resultSummary {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.summary-panel {
  display: grid;
  gap: 10px;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.055);
}

.summary-row strong {
  color: var(--gold);
}

.confetti-layer {
  pointer-events: none;
  position: fixed;
  z-index: 90;
  inset: 0;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  animation: confetti 1200ms var(--ease) forwards;
}

@keyframes flipIn {
  from {
    transform: rotateY(90deg) scale(0.96);
    opacity: 0.7;
  }
  to {
    transform: rotateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes confetti {
  from {
    transform: translateY(-12vh) translateX(0) rotate(0);
    opacity: 1;
  }
  to {
    transform: translateY(108vh) translateX(var(--drift)) rotate(520deg);
    opacity: 0;
  }
}

@media (max-width: 900px) {
  :root {
    --card-w: clamp(34px, 9.6vw, 54px);
  }

  .app-shell {
    min-height: 500px;
  }

  .topbar {
    padding: max(8px, env(safe-area-inset-top)) 10px 8px;
  }

  .brand p {
    display: none;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 38px;
    height: 34px;
    font-size: 0.74rem;
  }

  .top-actions {
    gap: 4px;
  }

  .turn-pill {
    min-width: 82px;
    max-width: 28vw;
    padding: 8px 7px;
    font-size: 0.72rem;
  }

  .icon-button {
    min-width: 44px;
    padding-inline: 6px;
    font-size: 0.72rem;
  }

  .game-table {
    grid-template-rows: minmax(224px, 1.52fr) minmax(152px, 0.7fr);
    gap: 7px;
    padding: 8px;
    border-width: 8px;
  }

  .tableau {
    width: min(100%, calc(var(--card-w) * 11.2));
    height: calc(var(--card-h) * 3.12);
  }

  .play-zone {
    grid-template-columns: 0.65fr 0.65fr 0.82fr 1.1fr;
    gap: 7px;
  }

  .stack,
  .waste-stack,
  .score-panel,
  .message-panel {
    padding: 8px;
  }

  .score-panel {
    gap: 5px;
  }

  .score-panel div {
    padding: 6px;
    place-items: center;
    gap: 2px;
  }

  .score-panel strong {
    font-size: 0.96rem;
  }

  .table-message,
  .selection-hint {
    min-height: 36px;
    padding: 8px;
    font-size: 0.72rem;
  }

  .stack-label,
  .stack-count,
  .mini-label {
    font-size: 0.6rem;
  }

  .card {
    padding: 5px;
  }

  .rules-grid,
  .three-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  :root {
    --card-w: clamp(30px, 8.7vw, 42px);
  }

  .brand h1 {
    font-size: 0.95rem;
  }

  .brand-mark {
    display: none;
  }

  .turn-pill {
    min-width: 70px;
    max-width: 24vw;
    padding-inline: 5px;
  }

  .icon-button {
    min-width: 40px;
    padding-inline: 5px;
    font-size: 0.66rem;
  }

  .game-table {
    grid-template-rows: minmax(190px, 1.45fr) minmax(146px, 0.74fr);
    border-width: 6px;
  }

  .play-zone {
    grid-template-columns: 0.72fr 0.72fr 0.8fr;
    grid-template-rows: 1fr auto;
  }

  .message-panel {
    grid-column: 1 / -1;
    grid-row: 2;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .selection-hint {
    display: none;
  }

  .card-rank {
    font-size: 0.78rem;
  }

  .card-suit {
    font-size: 1.08rem;
  }

  .card-foot {
    font-size: 0.44rem;
  }
}