/* EduFabTech — game-tile.css (Pair match / concentration). Önek gm-tile-. Kart rengi --gm-tile-c (JS verir). */
.gm-tile-box {
  width: min(560px, 100%);
  margin: 0 auto;
  padding: 14px;
  box-sizing: border-box;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(132, 94, 255, .14), transparent 60%),
    linear-gradient(180deg, #131822 0%, #0e1219 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .04);
  font-family: var(--sans);
  color: var(--text);
  user-select: none;
  -webkit-user-select: none;
}

/* HUD */
.gm-tile-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  margin-bottom: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 4px 12px rgba(0, 0, 0, .3);
  font-size: .92rem;
}
.gm-tile-status { color: var(--text); font-weight: 700; white-space: nowrap; }
.gm-tile-progress { display: flex; gap: 4px; flex: 1 1 auto; justify-content: center; }
.gm-tile-pip {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  transition: background .2s ease, box-shadow .2s ease;
}
.gm-tile-pip-on {
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 0 8px rgba(67, 212, 155, .8);
}
.gm-tile-clock {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  white-space: nowrap;
}

/* Tahta */
.gm-tile-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 10px;
  background: linear-gradient(180deg, #0b0e14, #0a0c11);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, .6);
  touch-action: manipulation;
}

/* Kart = düğme; iç yüzey 3B döner */
.gm-tile-card {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: 48px;
  padding: 0;
  margin: 0;
  background: transparent;
  border: 0;
  border-radius: calc(var(--radius-sm) + 2px);
  perspective: 700px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform .12s ease;
}
.gm-tile-card:focus { outline: none; }
.gm-tile-card:focus-visible .gm-tile-inner { box-shadow: 0 0 0 3px var(--brand), 0 0 14px rgba(67, 212, 155, .5); }
.gm-tile-card:not(.gm-tile-up):hover .gm-tile-inner { transform: translateY(-2px); }
.gm-tile-card:not(.gm-tile-up):active { transform: translateY(2px) scale(.97); }

.gm-tile-inner {
  position: absolute;
  inset: 0;
  display: block;
  border-radius: inherit;
  transform-style: preserve-3d;
  transition: transform .28s cubic-bezier(.3, .8, .35, 1), box-shadow .2s ease;
  box-shadow: 0 6px 14px rgba(0, 0, 0, .5), 0 1px 0 rgba(255, 255, 255, .04);
}
.gm-tile-up .gm-tile-inner { transform: rotateY(180deg); }

.gm-tile-back,
.gm-tile-face {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
}

/* Kart arkası: desen + merkez işaret */
.gm-tile-back {
  background:
    radial-gradient(60% 60% at 50% 40%, rgba(25, 227, 255, .16), transparent 70%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .045) 0 6px, transparent 6px 12px),
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, .035) 0 6px, transparent 6px 12px),
    linear-gradient(160deg, #1b2440 0%, #121a30 55%, #0e1424 100%);
  border: 1px solid rgba(25, 227, 255, .32);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), inset 0 -8px 14px rgba(0, 0, 0, .35);
}
.gm-tile-mark {
  width: 30%;
  height: 30%;
  border-radius: 22%;
  background: linear-gradient(145deg, rgba(25, 227, 255, .55), rgba(132, 94, 255, .45));
  box-shadow: 0 0 12px rgba(25, 227, 255, .35), inset 0 1px 0 rgba(255, 255, 255, .3);
  transform: rotate(45deg);
}

/* Kart yüzü: simgenin rengiyle ışıyan koyu yüzey */
.gm-tile-face {
  transform: rotateY(180deg);
  color: var(--gm-tile-c, #fff);
  background:
    radial-gradient(70% 70% at 50% 30%, color-mix(in srgb, var(--gm-tile-c, #fff) 28%, transparent), transparent 75%),
    linear-gradient(160deg, #1f2a44 0%, #151d33 100%);
  border: 1px solid color-mix(in srgb, var(--gm-tile-c, #fff) 55%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), inset 0 -8px 14px rgba(0, 0, 0, .35);
}
.gm-tile-svg {
  width: 58%;
  height: 58%;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--gm-tile-c, #fff) 60%, transparent)) drop-shadow(0 2px 2px rgba(0, 0, 0, .5));
}

/* Eşleşme: kalıcı parıltı + kısa zıplama */
.gm-tile-done { cursor: default; }
.gm-tile-done .gm-tile-face {
  border-color: var(--brand);
  background:
    radial-gradient(70% 70% at 50% 30%, color-mix(in srgb, var(--gm-tile-c, #fff) 34%, transparent), transparent 75%),
    linear-gradient(160deg, #1b3a33 0%, #132a28 100%);
}
.gm-tile-done .gm-tile-inner { box-shadow: 0 0 0 1px rgba(67, 212, 155, .7), 0 0 18px rgba(67, 212, 155, .45), 0 6px 14px rgba(0, 0, 0, .5); }
.gm-tile-pop .gm-tile-inner { animation: gm-tile-pop .26s cubic-bezier(.2, .9, .3, 1.4); }
@keyframes gm-tile-pop {
  0% { transform: rotateY(180deg) scale(1); }
  45% { transform: rotateY(180deg) scale(1.12); }
  100% { transform: rotateY(180deg) scale(1); }
}

/* Uyumsuz: sarsıntı + kırmızı kenar */
.gm-tile-miss .gm-tile-face { border-color: var(--err); }
.gm-tile-miss .gm-tile-inner { animation: gm-tile-shake .24s ease; box-shadow: 0 0 0 1px rgba(239, 106, 98, .6), 0 0 14px rgba(239, 106, 98, .4), 0 6px 14px rgba(0, 0, 0, .5); }
@keyframes gm-tile-shake {
  0%, 100% { transform: rotateY(180deg) translateX(0); }
  25% { transform: rotateY(180deg) translateX(-4px); }
  50% { transform: rotateY(180deg) translateX(4px); }
  75% { transform: rotateY(180deg) translateX(-3px); }
}

/* Bitiş: tahta yeşil ışır */
.gm-tile-won .gm-tile-grid { border-color: var(--brand); box-shadow: inset 0 2px 10px rgba(0, 0, 0, .6), 0 0 24px rgba(67, 212, 155, .35); transition: box-shadow .3s ease, border-color .3s ease; }

.gm-tile-hint {
  margin: 12px 0 0;
  font-size: .85rem;
  color: var(--muted);
  text-align: center;
}

/* Hareketi azalt: anlık durum değişimi, animasyon yok */
.gm-tile-reduced .gm-tile-inner,
.gm-tile-reduced .gm-tile-card,
.gm-tile-reduced .gm-tile-pip,
.gm-tile-reduced .gm-tile-grid { transition: none; }
.gm-tile-reduced .gm-tile-card:not(.gm-tile-up):hover .gm-tile-inner,
.gm-tile-reduced .gm-tile-card:not(.gm-tile-up):active { transform: none; }
.gm-tile-reduced .gm-tile-pop .gm-tile-inner,
.gm-tile-reduced .gm-tile-miss .gm-tile-inner { animation: none; }
@media (prefers-reduced-motion: reduce) {
  .gm-tile-inner, .gm-tile-card, .gm-tile-pip, .gm-tile-grid { transition: none; }
  .gm-tile-card:not(.gm-tile-up):hover .gm-tile-inner, .gm-tile-card:not(.gm-tile-up):active { transform: none; }
  .gm-tile-pop .gm-tile-inner, .gm-tile-miss .gm-tile-inner { animation: none; }
}

@media (max-width: 400px) {
  .gm-tile-box { padding: 10px; }
  .gm-tile-bar { padding: 7px 10px; font-size: .85rem; gap: 8px; }
  .gm-tile-pip { width: 7px; height: 7px; }
  .gm-tile-grid { gap: 8px; padding: 8px; }
  .gm-tile-hint { font-size: .8rem; }
}