/* Bepe Match — kid-friendly trait-matching game.
   Layered on top of base.css and shares some primitives with brawl.css. */

/* ---------- difficulty picker ---------- */
.difficulty-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 640px;
  margin: 16px auto 6px;
}

.diff-card {
  cursor: pointer;
  border: 2px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: white;
  padding: 16px 12px 14px;
  border-radius: 22px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  text-align: center;
  font: inherit;
}
.diff-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 122, 0, 0.6);
}
.diff-card.active {
  border-color: var(--orange);
  background: linear-gradient(180deg, rgba(255, 122, 0, 0.18), rgba(255, 42, 163, 0.06));
  box-shadow: 0 0 28px rgba(255, 122, 0, 0.4);
}

.diff-label { font-size: 22px; font-weight: 900; letter-spacing: -0.02em; }
.diff-detail { font-size: 14px; color: #ffe1ba; margin-top: 6px; font-weight: 800; }
.diff-detail-sub { font-size: 12px; color: var(--ink-2); }

.btn.big {
  font-size: 17px;
  padding: 16px 22px;
}

/* ---------- HUD (timer / score / pairs / misses) ---------- */
.hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-width: 540px;
  margin: 14px auto 0;
}

.hud-cell {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025));
  border-radius: 14px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  backdrop-filter: blur(14px);
}

.hud-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-2);
}
.hud-value {
  font-size: 22px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}

/* ---------- board ---------- */
.match-board-shell { padding: 18px; }

.match-board {
  display: grid;
  gap: 14px;
  max-width: 980px;
  margin: 0 auto;
}

.match-card {
  position: relative;
  aspect-ratio: 3 / 4;
  perspective: 800px;
  cursor: pointer;
}

.mc-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

.match-card.matched .mc-inner {
  filter: drop-shadow(0 0 22px rgba(85, 255, 136, 0.55));
}
.match-card.matched .mc-front {
  border-color: rgba(85, 255, 136, 0.8);
}

.match-card:not(.flipped):hover .mc-inner {
  transform: rotateY(8deg) translateY(-3px);
}

.mc-back, .mc-front {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  backface-visibility: hidden;
  overflow: hidden;
  border: 1px solid var(--line);
}

.mc-back {
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 42, 163, 0.4), transparent 55%),
    linear-gradient(135deg, #1a0512, #06040f 70%);
  display: grid;
  place-items: center;
  font-size: 36px;
  color: rgba(255, 122, 0, 0.85);
  text-shadow: 0 0 22px rgba(255, 122, 0, 0.7);
}
.mc-back .rune { animation: pulse 2.6s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(1.12); opacity: 0.7; } }

.mc-front {
  transform: rotateY(180deg);
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
}
.mc-front img {
  width: 100%;
  flex: 1 1 auto;
  object-fit: cover;
  display: block;
}

.mc-front-meta {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  display: flex;
  justify-content: flex-start;
}

.mc-trait {
  background: linear-gradient(180deg, rgba(0,0,0,0.4), rgba(0,0,0,0.85));
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 0 0 auto;
}
.mc-trait .trait-label {
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 800;
}
.mc-trait .trait-value {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: white;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- score flash (floating +N / -N) ---------- */
.score-flash {
  position: fixed;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  font-size: 64px;
  font-weight: 900;
  letter-spacing: -0.04em;
  pointer-events: none;
  animation: scoreFlash 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  text-shadow: 0 4px 30px currentColor;
}
.score-flash.good { color: #55ff88; }
.score-flash.bad  { color: #ff5577; }

@keyframes scoreFlash {
  0%   { opacity: 0; transform: translateX(-50%) translateY(20px) scale(0.7); }
  20%  { opacity: 1; transform: translateX(-50%) translateY(0) scale(1.1); }
  60%  { opacity: 1; transform: translateX(-50%) translateY(-30px) scale(1); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-90px) scale(0.95); }
}

/* ---------- result badges ---------- */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 8px auto 18px;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 900;
  padding: 8px 14px;
  border-radius: 999px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-pill.best {
  background: linear-gradient(135deg, var(--gold), var(--orange));
  color: #16020c;
  box-shadow: 0 0 24px rgba(255, 208, 106, 0.45);
}

/* ---------- responsive ---------- */
@media (max-width: 800px) {
  .difficulty-row { grid-template-columns: 1fr; max-width: 360px; }
  .hud { grid-template-columns: repeat(2, 1fr); max-width: 360px; }
  .match-board { gap: 10px; }
}

@media (max-width: 520px) {
  .mc-trait .trait-value { font-size: 11px; }
  .mc-back { font-size: 28px; }
  .score-flash { font-size: 48px; }
}