/* ── CARD SIZE TOKENS ─────────────────────────────────────────── */
:root {
  --mc-card: 86px;
  --mc-font: 38px;
}

@media (max-width: 580px) {
  :root { --mc-card: 68px; --mc-font: 30px; }
}

@media (max-width: 460px) {
  :root { --mc-card: 56px; --mc-font: 24px; }
}

/* ── GRID WRAPPER ────────────────────────────────────────────── */
.mc-grid-wrap {
  overflow-x: auto;
  overflow-y: visible;
  display: flex;
  justify-content: center;
  padding: 8px 4px 12px;
}

/* ── GRID ────────────────────────────────────────────────────── */
#mcGrid {
  display: grid;
  /* --mc-cols set by JS via gridTemplateColumns style */
  gap: 8px;
  transition: filter .25s;
}

#mcGrid.blurred {
  filter: blur(8px);
  pointer-events: none;
}

/* ── CARD CONTAINER ──────────────────────────────────────────── */
.mc-card {
  width: var(--mc-card);
  height: var(--mc-card);
  cursor: pointer;
  perspective: 700px;
  flex-shrink: 0;
}

/* ── CARD INNER (rotates on flip) ────────────────────────────── */
.mc-card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.38s cubic-bezier(.4,0,.2,1);
  border-radius: 10px;
}

.mc-card.flipped .mc-card-inner,
.mc-card.matched .mc-card-inner {
  transform: rotateY(180deg);
}

/* ── SHARED FACE STYLES ──────────────────────────────────────── */
.mc-card-back,
.mc-card-face {
  position: absolute;
  inset: 0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* ── CARD BACK (face-down state) ─────────────────────────────── */
.mc-card-back {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dk) 100%);
  color: rgba(255,255,255,.55);
  font-size: calc(var(--mc-card) * 0.35);
  font-weight: 900;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 2px 6px rgba(0,0,0,.18);
}

[data-theme="dark"] .mc-card-back {
  background: linear-gradient(135deg, #1e3a5f 0%, #0d1f35 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 2px 6px rgba(0,0,0,.4);
}

/* ── CARD FACE (face-up state) ───────────────────────────────── */
.mc-card-face {
  transform: rotateY(180deg);
  font-size: var(--mc-font);
  background: var(--best-bg);
  border: 2px solid var(--border-light);
  transition: background .2s, border-color .2s;
}

/* ── MATCHED STATE ───────────────────────────────────────────── */
.mc-card.matched {
  cursor: default;
}

.mc-card.matched .mc-card-face {
  background: #f0fdf4;
  border-color: #86efac;
}

[data-theme="dark"] .mc-card.matched .mc-card-face {
  background: #052e16;
  border-color: #166534;
}

/* Pulse animation on match */
@keyframes mc-match-pulse {
  0%   { transform: rotateY(180deg) scale(1); }
  40%  { transform: rotateY(180deg) scale(1.15); }
  100% { transform: rotateY(180deg) scale(1); }
}

.mc-card.matched .mc-card-inner {
  animation: mc-match-pulse .35s ease-out forwards;
}

/* ── HOVER — only real pointing devices ──────────────────────── */
@media (hover: hover) and (pointer: fine) {
  .mc-card:not(.flipped):not(.matched):hover .mc-card-inner {
    transform: rotateY(20deg);
    box-shadow: 3px 3px 12px rgba(42,111,189,.3);
  }
}

/* ── MOVES DISPLAY ───────────────────────────────────────────── */
.mc-moves {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

.mc-moves b {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
}

/* ── ACTION BUTTONS ──────────────────────────────────────────── */
.mc-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* ── BEST TIMES BOX ──────────────────────────────────────────── */
#bestBox {
  margin-top: 14px;
  max-width: 260px;
}

/* ── AD SLOTS ────────────────────────────────────────────────── */
.side-panel-ad     { display: none; }
.side-panel-mid-ad { display: none; }
.game-mid-ad       { display: none; margin: 0 auto 14px; }

@media (max-width: 775px) {
  .hdr-nav .ad-leaderboard { display: none; }
  .game-mid-ad { display: flex; }
}

@media (max-width: 1100px) {
  .content-row { grid-template-columns: 1fr; }
}

@media (min-width: 775px) and (max-width: 1100px) {
  .right-sidebar { display: none; }
  .side-panel-ad { display: flex; }
}

@media (max-width: 650px) {
  .side-panel-mid-ad { display: flex; margin: 0 auto; }
}