:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  --page: #f6f2e9;
  --ink: #17202a;
  --panel: #fffaf0;
  --accent: #f06f4f;
  --accent-strong: #c54830;
  --secondary: #247c7a;
  --board: #efe4d0;
  --background-image: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--page), white 20%), var(--page)),
    var(--background-image);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: default;
}

a {
  color: inherit;
}

.setup-shell,
.game-shell,
.legal-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 1rem;
  color: var(--ink);
  background:
    var(--background-image) center / cover fixed,
    var(--page);
}

.setup-shell,
.legal-shell {
  gap: 1.25rem;
}

.setup-hero,
.theme-section,
.start-section,
.legal-content {
  width: min(100%, 980px);
  margin-inline: auto;
}

.setup-hero {
  display: grid;
  gap: 1.25rem;
  padding-block: 1rem 0.5rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  width: 3rem;
  aspect-ratio: 1;
  border-radius: 0.75rem;
  background:
    linear-gradient(135deg, var(--accent), var(--secondary));
  box-shadow: 0 0.75rem 1.75rem rgb(0 0 0 / 0.16);
}

.eyebrow {
  margin: 0 0 0.1rem;
  color: color-mix(in srgb, var(--ink), transparent 30%);
  font-size: 0.82rem;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 2.7rem;
  line-height: 1;
}

h2 {
  margin-bottom: 0.7rem;
  font-size: 1rem;
}

.setup-controls {
  display: grid;
  gap: 0.75rem;
}

.primary-button,
.secondary-button,
.plain-button,
.icon-button,
.theme-option {
  min-height: 2.8rem;
  border: 0;
  border-radius: 0.65rem;
}

.primary-button {
  color: #ffffff;
  background: var(--accent-strong);
}

.secondary-button {
  color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--secondary), transparent 30%);
  background: color-mix(in srgb, var(--secondary), white 82%);
}

.field {
  display: grid;
  gap: 0.35rem;
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.65rem 0.8rem;
  color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--ink), transparent 76%);
  border-radius: 0.65rem;
  background: color-mix(in srgb, var(--panel), white 16%);
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.theme-option {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem;
  color: var(--ink);
  text-align: left;
  border: 2px solid transparent;
  background: color-mix(in srgb, var(--panel), transparent 8%);
}

.theme-option.is-active {
  border-color: var(--accent-strong);
}

.theme-preview {
  display: grid;
  place-items: center;
  width: 3.4rem;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 0.55rem;
  background: var(--board);
}

.theme-preview img {
  width: 90%;
  height: 90%;
  object-fit: contain;
}

.start-section {
  display: grid;
  gap: 0.75rem;
}

.setup-note {
  margin: 0;
  color: color-mix(in srgb, var(--ink), transparent 22%);
}

.game-shell {
  gap: 0.8rem;
}

.game-topbar,
.status-row,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.game-topbar {
  width: min(100%, 1120px);
  margin-inline: auto;
}

.plain-button {
  padding-inline: 0;
  color: var(--ink);
  font-weight: 900;
  background: transparent;
}

.game-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.game-code {
  padding: 0.45rem 0.6rem;
  border-radius: 0.55rem;
  color: #ffffff;
  background: var(--secondary);
  font-weight: 900;
}

.icon-button {
  padding-inline: 0.8rem;
  color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--ink), transparent 78%);
  background: color-mix(in srgb, var(--panel), transparent 10%);
}

.score-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  width: min(100%, 1120px);
  margin-inline: auto;
}

.score-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.25rem;
  padding: 0.65rem 0.8rem;
  border: 2px solid transparent;
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--panel), transparent 8%);
}

.score-pill span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.score-pill strong {
  font-size: 1.35rem;
}

.status-row {
  width: min(100%, 1120px);
  min-height: 3.1rem;
  margin-inline: auto;
  padding: 0.7rem 0.85rem;
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--panel), transparent 10%);
}

.status-row p {
  margin: 0;
  font-weight: 800;
}

.play-layout {
  display: grid;
  gap: 0.75rem;
  width: min(100%, 1120px);
  margin-inline: auto;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
  padding: 0.55rem;
  border-radius: 0.8rem;
  background: color-mix(in srgb, var(--board), transparent 8%);
}

.card-button {
  min-width: 0;
  padding: 0;
  aspect-ratio: 3 / 4;
  border: 0;
  border-radius: 0.55rem;
  background: transparent;
}

.card-button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.card-face {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border: 2px solid color-mix(in srgb, var(--ink), transparent 85%);
  border-radius: 0.55rem;
  background: color-mix(in srgb, var(--panel), white 10%);
  box-shadow: 0 0.45rem 1rem rgb(0 0 0 / 0.13);
  transition: transform 160ms ease, border-color 160ms ease;
}

.card-button:not(:disabled):hover .card-face {
  transform: translateY(-2px);
}

.card-button.is-revealed .card-face {
  border-color: var(--card-accent, var(--accent));
}

.card-button.is-matched .card-face {
  opacity: 0.72;
}

.card-face img {
  width: 88%;
  height: 88%;
  object-fit: contain;
}

.support-row {
  display: grid;
  gap: 0.55rem;
  align-items: center;
  color: color-mix(in srgb, var(--ink), transparent 18%);
  font-weight: 700;
}

.coffee-button {
  width: fit-content;
  min-height: 2.6rem;
  padding: 0.65rem 1rem;
  border-radius: 0.7rem;
  color: #111111;
  background: #ffdd00;
  box-shadow: 0 0.3rem 0.85rem rgb(0 0 0 / 0.15);
  font-weight: 900;
  text-decoration: none;
}

.completion-support {
  display: grid;
  gap: 0.75rem;
  width: min(100%, 1120px);
  margin-inline: auto;
  padding: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--accent), transparent 45%);
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--panel), white 12%);
  box-shadow: 0 0.35rem 1rem rgb(0 0 0 / 0.1);
}

.completion-support p {
  margin: 0.15rem 0 0;
  color: color-mix(in srgb, var(--ink), transparent 24%);
  font-weight: 700;
}

.dismiss-button {
  width: fit-content;
  min-height: 2.35rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--ink), transparent 74%);
  border-radius: 0.6rem;
  color: var(--ink);
  background: color-mix(in srgb, var(--panel), white 18%);
}

.promo-panel {
  position: relative;
  display: grid;
  place-items: stretch;
  min-height: 5.75rem;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--secondary), transparent 55%);
  border-radius: 0.65rem;
  background: #dfe8ee;
}

.promo-link {
  position: relative;
  display: grid;
  align-content: center;
  width: 100%;
  min-height: 100%;
  padding: 1.9rem 0.8rem 0.75rem;
  color: #17202a;
  text-decoration: none;
}

.promo-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.promo-disclosure {
  position: absolute;
  top: 0.45rem;
  left: 0.55rem;
  z-index: 2;
  padding: 0.12rem 0.38rem;
  border-radius: 0.35rem;
  color: #17202a;
  background: rgb(255 255 255 / 0.78);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.promo-copy {
  position: relative;
  z-index: 1;
  width: fit-content;
  max-width: 100%;
  padding: 0.35rem 0.55rem;
  border-radius: 0.5rem;
  background: rgb(255 255 255 / 0.76);
  box-shadow: 0 0.25rem 0.9rem rgb(0 0 0 / 0.16);
}

.promo-copy strong {
  color: #173042;
  overflow-wrap: anywhere;
}

.promo-panel-top,
.promo-panel-bottom {
  width: min(100%, 1120px);
  margin-inline: auto;
}

.promo-panel-side {
  display: none;
}

.site-footer {
  width: min(100%, 1120px);
  margin: auto auto 0;
  flex-wrap: wrap;
  justify-content: center;
  color: color-mix(in srgb, var(--ink), transparent 24%);
  font-size: 0.9rem;
}

.site-footer a {
  padding: 0.35rem 0.5rem;
}

.legal-content {
  padding-block: 1rem;
}

.legal-content p,
.legal-content li {
  max-width: 72ch;
}

@media (min-width: 560px) {
  .setup-controls {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }

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

  .board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.6rem;
  }

  .support-row {
    grid-template-columns: auto max-content;
    justify-content: start;
  }

  .completion-support {
    grid-template-columns: minmax(0, 1fr) max-content max-content;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .setup-shell,
  .game-shell,
  .legal-shell {
    padding: 1.5rem;
  }

  .setup-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: end;
    min-height: 30vh;
  }

  h1 {
    font-size: 4rem;
  }

  .theme-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .play-layout {
    grid-template-columns: minmax(0, 1fr) 10rem;
    align-items: stretch;
  }

  .board {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.7rem;
    padding: 0.75rem;
  }

  .promo-panel-side {
    display: block;
    min-height: 100%;
    grid-column: 2;
    grid-row: 1;
  }

  .board {
    grid-column: 1;
  }
}