@import url('../shared/theme.css');

:root {
  --paper: var(--game-bg);
  --ink: var(--game-text);
  --muted: var(--game-muted);
  --leaf: var(--game-accent);
  --leaf-dark: var(--game-accent-strong);
  --sun: var(--game-warning);
  --cream: var(--game-surface);
  --line: var(--game-divider);
}

* {
  box-sizing: border-box;
}

body {
  display: grid;
  min-width: 280px;
  min-height: 100svh;
  margin: 0;
  place-items: stretch center;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 4%, var(--game-accent-soft), transparent 12rem), var(--paper);
  font-family: var(--game-font);
}

button {
  font: inherit;
}

.game {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.85rem;
  width: min(100%, 420px);
  min-height: 100svh;
  padding: 1rem;
}

header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

header > div {
  min-width: 0;
}

.kicker {
  margin: 0 0 0.15rem;
  color: var(--leaf);
  font-family: var(--game-mono);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

h1 {
  margin: 0;
  font-family: var(--game-font);
  font-size: 1.25rem;
  font-weight: 500;
}

.reset {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0.55rem 0.8rem;
  color: var(--leaf-dark);
  background: var(--game-surface);
  border: 1px solid var(--line);
  border-radius: var(--game-radius);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 750;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  background: var(--game-surface);
  border: 1px solid var(--line);
  border-radius: var(--game-radius);
}

.stats span {
  min-width: 0;
  padding: 0.5rem;
  color: var(--muted);
  font-size: 0.65rem;
  text-align: center;
}

.stats span + span {
  border-left: 1px solid var(--line);
}

.stats strong {
  display: block;
  margin-top: 0.12rem;
  color: var(--ink);
  font-family: var(--game-mono);
  font-size: 0.78rem;
}

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(44px, 1fr));
  gap: clamp(0.4rem, 2vw, 0.65rem);
  align-self: center;
  width: min(100%, 390px);
  margin-inline: auto;
}

.card {
  position: relative;
  display: grid;
  aspect-ratio: 1;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  place-items: center;
  color: transparent;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.2), transparent 22%),
    linear-gradient(145deg, var(--leaf), var(--leaf-dark));
  border: 0;
  border-radius: 26% 48% 26% 48%;
  box-shadow: 0 5px 12px rgba(32, 76, 61, 0.12);
  cursor: pointer;
  font-family: 'Segoe UI Symbol', 'Noto Sans Symbols 2', 'Apple Symbols', sans-serif;
  font-size: clamp(1.2rem, 7vw, 2rem);
  transition:
    transform 160ms ease,
    color 120ms ease,
    background 160ms ease,
    border-radius 160ms ease;
}

.card::after {
  position: absolute;
  width: 28%;
  height: 1px;
  background: rgba(255, 255, 255, 0.42);
  content: '';
  transform: rotate(-45deg);
}

.card:not([aria-disabled='true']):hover {
  transform: translateY(-2px);
}

.card:focus-visible,
.reset:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 3px;
}

.card.is-open,
.card.is-matched {
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--game-radius);
}

.card.is-open::after,
.card.is-matched::after {
  display: none;
}

.card.is-matched {
  color: var(--leaf-dark);
  background: var(--game-accent-soft);
  box-shadow: none;
}

.card[aria-disabled='true'] {
  cursor: default;
}

.status {
  min-height: 2.6em;
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.3;
  text-align: center;
}

@media (max-height: 440px) {
  .game {
    gap: 0.55rem;
    padding: 0.75rem;
  }

  .board {
    width: min(100%, 300px);
  }
}

@media (max-width: 320px) {
  header {
    gap: 0.5rem;
  }

  .reset {
    padding-inline: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card {
    transition: none;
  }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --game-surface: #212529;
    --game-accent-soft: #134e4a;
    --paper: #1c1c1d;
    --ink: #e0e0e0;
    --muted: #9e9e9e;
    --leaf: #5eead4;
    --leaf-dark: #2dd4bf;
    --sun: #fbbf24;
    --cream: #212529;
    --line: #424246;
  }
}