:root {
  --action-blue: #0066cc;
  --action-blue-focus: #0071e3;
  --canvas: #ffffff;
  --canvas-soft: #f5f5f7;
  --hairline: #d8d8df;
  --ink: #1d1d1f;
  --ink-muted: #6e6e73;
  --positive: #1d7f45;
  --danger: #d70015;
  --surface-dark: #242426;

  color-scheme: light;
  font-family: "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  background: var(--canvas-soft);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 18%, rgba(29, 127, 69, 0.12), transparent 32%),
    linear-gradient(145deg, #ffffff 0%, #f5f5f7 48%, #eef4fb 100%);
}

button,
input {
  font: inherit;
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--action-blue-focus);
  outline-offset: 2px;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  gap: 12px;
  padding: 24px 30px;
}

.hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 16px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-weight: 600;
}

h1 {
  font-size: 40px;
  line-height: 1;
}

h2 {
  font-size: 22px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 8px;
}

.meta span {
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  padding: 8px 12px;
  font-size: 14px;
}

.play {
  align-self: center;
  display: grid;
  grid-template-columns: minmax(360px, 560px) minmax(250px, 320px);
  justify-content: center;
  align-items: stretch;
  gap: 16px;
}

.table {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 22px;
  min-height: 430px;
  border: 1px solid var(--hairline);
  border-radius: 24px;
  background: var(--canvas);
  padding: 24px;
}

.dice-row {
  display: flex;
  justify-content: center;
  gap: 18px;
}

.die {
  position: relative;
  width: 148px;
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 10px;
  border: 1px solid var(--hairline);
  border-radius: 30px;
  background: var(--canvas);
  padding: 24px;
  box-shadow: 0 18px 34px rgba(18, 24, 38, 0.12);
}

.die i {
  width: 18px;
  height: 18px;
  align-self: center;
  justify-self: center;
  border-radius: 999px;
  background: var(--ink);
}

.die i[data-dot="1"] {
  grid-area: 1 / 1;
}

.die i[data-dot="2"] {
  grid-area: 1 / 3;
}

.die i[data-dot="3"] {
  grid-area: 2 / 2;
}

.die i[data-dot="4"] {
  grid-area: 3 / 1;
}

.die i[data-dot="5"] {
  grid-area: 3 / 3;
}

.die i[data-dot="6"] {
  grid-area: 2 / 1;
}

.die i[data-dot="7"] {
  grid-area: 2 / 3;
}

.die.waiting {
  place-items: center;
  display: grid;
  background: var(--surface-dark);
  color: #ffffff;
}

.die.waiting span {
  font-size: 42px;
  font-weight: 800;
}

.dice-row.rolling .die {
  transform: rotate(-2deg);
}

.dice-row.rolling .die:nth-child(2) {
  transform: rotate(2deg);
}

.total {
  display: grid;
  place-items: center;
  width: 110px;
  height: 110px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--canvas-soft);
}

.total span {
  font-size: 40px;
  font-weight: 800;
}

.total small {
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.total.win,
.result.win {
  border-color: rgba(29, 127, 69, 0.3);
  background: #f1fbf5;
}

.total.lose,
.result.lose {
  border-color: rgba(215, 0, 21, 0.18);
  background: #fff7f7;
}

.panel {
  display: grid;
  gap: 12px;
}

.stake {
  display: grid;
  gap: 8px;
  border: 1px solid var(--hairline);
  border-radius: 18px;
  background: var(--canvas);
  padding: 16px;
}

.stake span {
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 600;
}

.stake input {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--canvas-soft);
  padding: 11px 12px;
  color: var(--ink);
}

.choices {
  display: grid;
  gap: 10px;
}

.choices button {
  min-width: 0;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--canvas);
  padding: 14px;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition:
    border-color 140ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 140ms cubic-bezier(0.16, 1, 0.3, 1);
}

.choices button strong,
.choices button span {
  display: block;
}

.choices button strong {
  font-size: 18px;
  font-weight: 700;
}

.choices button span {
  margin-top: 4px;
  color: var(--ink-muted);
  font-size: 13px;
}

.choices button.selected {
  border-color: var(--action-blue);
  box-shadow: inset 0 0 0 1px var(--action-blue);
}

.choices button:active:not(:disabled),
.roll-button:active:not(:disabled) {
  transform: scale(0.96);
}

.choices button:disabled,
.roll-button:disabled,
.stake input:disabled {
  cursor: default;
  opacity: 0.58;
}

.roll-button {
  border: 1px solid var(--action-blue);
  border-radius: 999px;
  background: var(--action-blue);
  padding: 13px 18px;
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  transition:
    background-color 140ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 140ms cubic-bezier(0.16, 1, 0.3, 1);
}

.roll-button:hover:not(:disabled) {
  background: var(--action-blue-focus);
}

.result,
.history,
.error {
  justify-self: stretch;
  margin: 0;
  border-radius: 18px;
  padding: 14px 16px;
  font-size: 14px;
}

.result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--hairline);
  background: var(--canvas);
}

.result strong {
  display: block;
  font-size: 19px;
  font-weight: 600;
}

.result span,
.history small,
.empty-history {
  color: var(--ink-muted);
}

.settlement {
  min-width: 96px;
  border-left: 1px solid var(--hairline);
  padding-left: 16px;
}

.history {
  display: grid;
  gap: 10px;
  border: 1px solid var(--hairline);
  background: var(--canvas);
}

.history ol {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.history li {
  display: grid;
  grid-template-columns: 48px 76px 1fr;
  gap: 10px;
  align-items: baseline;
}

.history strong {
  font-weight: 700;
}

.error {
  background: #fff0f0;
  color: var(--danger);
  font-weight: 600;
}

@media (max-width: 840px) {
  .shell {
    min-height: 100svh;
    grid-template-rows: auto auto auto auto;
    padding: 18px;
  }

  .hero {
    display: block;
  }

  .meta {
    justify-content: start;
    margin-top: 16px;
  }

  h1 {
    font-size: 34px;
  }

  .play {
    grid-template-columns: 1fr;
  }

  .table {
    min-height: 360px;
  }

  .die {
    width: min(36vw, 132px);
    border-radius: 24px;
    padding: 20px;
  }

  .total {
    width: 86px;
    height: 86px;
  }

  .result {
    display: grid;
  }

  .settlement {
    border-left: 0;
    border-top: 1px solid var(--hairline);
    padding-top: 12px;
    padding-left: 0;
  }
}

@media (max-width: 520px) {
  .history li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .choices button,
  .roll-button {
    transition: none;
  }
}