/* ═══════════════════════════════════════════════════════════════
   MATCH THE PAINTINGS — memory game page
   ═══════════════════════════════════════════════════════════════ */

.game-page {
  max-width: 980px;
  margin: 0 auto;
  padding: 120px 6vw 120px;
  position: relative; z-index: 2;
}

/* ── HEADER ────────────────────────────────────────────── */
.game-header { text-align: center; margin-bottom: 32px; }
.game-title {
  display: flex; flex-direction: column; align-items: center;
  font-family: var(--display); font-weight: 800;
  font-size: clamp(44px, 8vw, 110px);
  line-height: .88; letter-spacing: -.03em;
}
.game-title-solid {
  color: var(--ink);
  filter: url(#watercolor);
  transform: rotate(-2deg);
}
.game-title-outline {
  color: transparent;
  -webkit-text-stroke: 2.5px var(--ink);
  transform: rotate(1deg);
  margin-top: 4px;
}
.game-sub {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-mute);
}

/* ── HUD ─────────────────────────────────────────────────── */
.game-hud {
  display: flex; gap: 12px; align-items: center; justify-content: center;
  flex-wrap: wrap;
  margin: 24px 0 24px;
}
.hud-pill {
  padding: 10px 18px;
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  box-shadow: 4px 4px 0 var(--ink);
  font-family: var(--display);
  font-weight: 800;
  font-size: 20px;
  display: inline-flex; align-items: center; gap: 10px;
}
.hud-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 400;
}
.hud-moves { background: var(--yolk); transform: rotate(-2deg); }
.hud-pairs { background: var(--bubble); transform: rotate(2deg); }
.hud-time  { background: var(--spring); transform: rotate(-1deg); }
.hud-best  { background: var(--paper); transform: rotate(1deg); }

/* ── BOARD ──────────────────────────────────────────────── */
.match-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 680px;
  margin: 0 auto;
  padding: 22px;
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: 24px;
  box-shadow: 10px 10px 0 var(--ink), -16px -16px 0 var(--bubble);
  transform: rotate(-.5deg);
  position: relative;
}
/* paper-tape corners */
.match-board::before,
.match-board::after {
  content: "";
  position: absolute;
  width: 110px; height: 28px;
  border: 1px solid rgba(0,0,0,.1);
  box-shadow: 0 2px 6px rgba(0,0,0,.12);
  z-index: 3;
}
.match-board::before { top: -14px; left: -18px; transform: rotate(-22deg); background: rgba(255,204,63,.8); }
.match-board::after  { top: -14px; right: -18px; transform: rotate(20deg);  background: rgba(124,192,237,.75); }

/* ── CARDS ──────────────────────────────────────────────── */
.match-card {
  position: relative;
  aspect-ratio: 1;
  perspective: 800px;
  background: none;
  border: 0;
  padding: 0;
  cursor: none;
}
.card-inner {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  transition: transform .5s cubic-bezier(.3,1.3,.4,1);
  border-radius: 14px;
}
.match-card.is-flip .card-inner,
.match-card.is-matched .card-inner {
  transform: rotateY(180deg);
}
.card-back, .card-front {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 14px;
  border: 2.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.card-back {
  background: var(--cream-2);
  padding: 14%;
}
.card-back svg { width: 100%; height: 100%; }
.card-front {
  background: var(--paper);
  transform: rotateY(180deg);
}
.card-front img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  -webkit-user-drag: none;
}

/* rotate each card slightly, sketchbook feel */
.match-card:nth-child(4n+1) .card-inner { transform: rotate(-1.5deg); }
.match-card:nth-child(4n+2) .card-inner { transform: rotate(1deg); }
.match-card:nth-child(4n+3) .card-inner { transform: rotate(-.5deg); }
.match-card:nth-child(4n)   .card-inner { transform: rotate(2deg); }

.match-card.is-flip:nth-child(4n+1) .card-inner,
.match-card.is-matched:nth-child(4n+1) .card-inner { transform: rotate(-1.5deg) rotateY(180deg); }
.match-card.is-flip:nth-child(4n+2) .card-inner,
.match-card.is-matched:nth-child(4n+2) .card-inner { transform: rotate(1deg) rotateY(180deg); }
.match-card.is-flip:nth-child(4n+3) .card-inner,
.match-card.is-matched:nth-child(4n+3) .card-inner { transform: rotate(-.5deg) rotateY(180deg); }
.match-card.is-flip:nth-child(4n) .card-inner,
.match-card.is-matched:nth-child(4n) .card-inner   { transform: rotate(2deg) rotateY(180deg); }

/* different back color per card position (painterly paper) */
.match-card:nth-child(5n+1) .card-back { background: #fde2d1; }
.match-card:nth-child(5n+2) .card-back { background: #d4efe4; }
.match-card:nth-child(5n+3) .card-back { background: #fff0b8; }
.match-card:nth-child(5n+4) .card-back { background: #e7dcff; }
.match-card:nth-child(5n)   .card-back { background: #c7e4ff; }

/* matched: gentle glow halo */
.match-card.is-matched .card-front {
  box-shadow: 3px 3px 0 var(--ink), 0 0 0 4px var(--bubble);
  animation: matched-pop .5s cubic-bezier(.3,1.8,.4,1);
}
@keyframes matched-pop {
  0%   { transform: rotateY(180deg) scale(1); }
  50%  { transform: rotateY(180deg) scale(1.08); }
  100% { transform: rotateY(180deg) scale(1); }
}

/* hover: slight lift */
.match-card:not(.is-flip):not(.is-matched):hover .card-inner {
  transform: translateY(-4px) rotate(-2deg);
}

/* ── CONTROLS ──────────────────────────────────────────── */
.game-controls {
  margin-top: 36px;
  text-align: center;
}
.game-btn {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(22px, 2.6vw, 32px);
  padding: 18px 42px;
  background: var(--bubble);
  border: 3px solid var(--ink);
  border-radius: 999px;
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform .2s cubic-bezier(.3,1.5,.4,1), box-shadow .2s, background .2s;
  cursor: none;
  display: inline-flex; align-items: center; gap: 14px;
  transform: rotate(-2deg);
}
.game-btn:hover {
  transform: rotate(2deg) translate(-2px, -3px);
  box-shadow: 10px 10px 0 var(--ink);
  background: var(--yolk);
}
.game-btn:active {
  transform: rotate(-3deg) translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--ink);
}
.btn-wiggle {
  display: inline-block;
  animation: wiggle-arrow 1.4s ease-in-out infinite;
}
@keyframes wiggle-arrow {
  0%,100% { transform: translateX(0); }
  50%     { transform: translateX(6px); }
}
.game-hint {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: .1em;
}

/* ── GAME OVER OVERLAY ────────────────────────────────── */
.game-over {
  position: fixed; inset: 0;
  background: rgba(26,20,16,.75);
  display: none; align-items: center; justify-content: center;
  z-index: 500;
  backdrop-filter: blur(8px);
  padding: 20px;
}
.game-over.is-active { display: flex; animation: fade-in .3s ease; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.game-over-card {
  max-width: 460px; width: 100%;
  padding: 48px 36px;
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: 24px;
  box-shadow: 12px 12px 0 var(--bubble), 24px 24px 0 var(--ink);
  text-align: center;
  position: relative;
  animation: go-pop .5s cubic-bezier(.3,1.8,.4,1);
  transform: rotate(-2deg);
}
@keyframes go-pop {
  0%   { transform: rotate(-2deg) scale(.7); opacity: 0; }
  100% { transform: rotate(-2deg) scale(1); opacity: 1; }
}
.go-title {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(36px, 6vw, 54px);
  line-height: 1;
  margin-bottom: 18px;
}
.go-title-solid {
  color: var(--ink);
  filter: url(#watercolor);
}
.go-score {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.go-score span {
  font-family: var(--display);
  font-weight: 800;
  color: var(--tomato);
  display: inline-block;
  padding: 0 4px;
}
.go-msg {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink-mute);
  letter-spacing: .1em;
  margin: 14px 0 28px;
}
.game-again {
  transform: rotate(2deg);
  background: var(--spring);
}

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 600px) {
  .game-page { padding: 100px 4vw 80px; }
  .match-board { gap: 10px; padding: 14px; }
  .hud-pill { font-size: 16px; padding: 8px 14px; }
  .game-btn { font-size: 20px; padding: 14px 30px; }
}
@media (max-width: 420px) {
  .match-board { grid-template-columns: repeat(3, 1fr); }
}