/* ═══════════════════════════════════════════════════════
   HIGH & LOW – GAME STYLESHEET
═══════════════════════════════════════════════════════ */

.hl-game {
  padding: 32px 24px 24px;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,201,167,0.06) 0%, transparent 60%),
              linear-gradient(180deg, rgba(30,18,69,0.9) 0%, rgba(13,8,32,0.95) 100%);
  position: relative;
  overflow: hidden;
}
.hl-game::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(0deg, rgba(0,180,100,0.04) 0%, transparent 100%);
  pointer-events: none;
}

/* ─── TITLE ─── */
.hl-game__title {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--gold-light);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  filter: drop-shadow(0 0 20px rgba(212,175,55,0.4));
}
.hl-game__subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 32px;
}

/* ─── CARDS AREA ─── */
.hl-cards-area {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hl-card-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.hl-card-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ─── PLAYING CARD ─── */
.card-container {
  perspective: 800px;
}

/* Card wrapper — no 3D transforms, just show/hide faces */
.playing-card {
  width: 120px;
  height: 180px;
  position: relative;
  cursor: default;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.5));
  transition: filter 0.3s ease, transform 0.3s ease;
}

/* Win / Lose shake animations (no 3D) */
.playing-card.win-card  { animation: cardWin  0.5s ease forwards; }
.playing-card.lose-card { animation: cardLose 0.5s ease forwards; }

@keyframes cardWin {
  0%, 100% { transform: scale(1); }
  30%  { transform: scale(1.12) rotate(3deg); }
  60%  { transform: scale(1.08) rotate(-2deg); }
}
@keyframes cardLose {
  0%, 100% { transform: scale(1); }
  25%  { transform: rotate(-5deg) scale(0.95); }
  75%  { transform: rotate(5deg) scale(0.95); }
}

/* Card flip animation – scaleX trick, no 3D needed */
@keyframes cardFlipIn {
  0%   { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}
@keyframes cardFlipOut {
  0%   { transform: scaleX(1); }
  100% { transform: scaleX(0); }
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  /* ensure children stack correctly */
  isolation: isolate;
}

/* Both faces occupy the same space */
.card-front, .card-back {
  position: absolute;
  inset: 0;
  border-radius: 12px;
}

/* Front face — hidden by default, shown only with .showing */
.card-front {
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 8px;
  box-shadow: inset 0 0 0 2px rgba(0,0,0,0.05);
  opacity: 0;          /* hidden by default */
  z-index: 1;
}
.card-front.red   { color: #d32f2f; }
.card-front.black { color: #1a1a1a; }

/* Back face — visible by default */
.card-back {
  background: linear-gradient(135deg, #1a0a4a, #2d1070);
  border: 3px solid rgba(212,175,55,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: 1;          /* visible by default */
  z-index: 2;
}
.card-back::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 2px solid rgba(212,175,55,0.3);
  border-radius: 8px;
  background: repeating-linear-gradient(
    45deg,
    rgba(212,175,55,0.05) 0px,
    rgba(212,175,55,0.05) 2px,
    transparent 2px,
    transparent 12px
  );
}
.card-back::after {
  content: '🌌';
  font-size: 2rem;
  opacity: 0.6;
}

/* When a card is "showing" — front on top, back hidden */
.playing-card.showing .card-front { opacity: 1; z-index: 3; }
.playing-card.showing .card-back  { opacity: 0; z-index: 1; pointer-events: none; }

/* When a card is "hidden-card" (face-down) — back on top, front hidden */
.playing-card.hidden-card .card-back  { opacity: 1; z-index: 3; }
.playing-card.hidden-card .card-front { opacity: 0; z-index: 1; pointer-events: none; }

/* Flip-in animation class (applied via JS during reveal) */
.playing-card.flip-in {
  animation: cardFlipIn 0.3s ease-out forwards;
}

.card-rank {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1;
}
.card-rank.top { align-self: flex-start; }
.card-rank.bottom { align-self: flex-end; transform: rotate(180deg); }
.card-suit.center {
  font-size: 2.8rem;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Card glow effects */
.playing-card.win-glow {
  filter: drop-shadow(0 0 16px rgba(0,255,136,0.7)) drop-shadow(0 8px 24px rgba(0,0,0,0.5));
}
.playing-card.lose-glow {
  filter: drop-shadow(0 0 16px rgba(255,100,100,0.6)) drop-shadow(0 8px 24px rgba(0,0,0,0.5));
}

/* ─── ARROW ─── */
.hl-arrow-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hl-arrow {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(212,175,55,0.15), rgba(74,31,140,0.2));
  border: 2px solid rgba(212,175,55,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--text-muted);
  transition: all 0.5s ease;
}
.hl-arrow.up {
  color: var(--aurora-green);
  border-color: var(--aurora-green);
  background: rgba(0,255,136,0.1);
  box-shadow: 0 0 20px rgba(0,255,136,0.3);
}
.hl-arrow.down {
  color: #ff6060;
  border-color: #ff6060;
  background: rgba(255,96,96,0.1);
  box-shadow: 0 0 20px rgba(255,96,96,0.3);
}
.hl-arrow.equal {
  color: var(--gold);
  border-color: var(--gold);
}
.hl-vs {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 3px;
}

/* ─── RESULT ─── */
.hl-result {
  text-align: center;
  padding: 8px 0;
  min-height: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.hl-result__icon { font-size: 1.6rem; margin-bottom: 4px; }
.hl-result__text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--text-muted);
  transition: all 0.3s;
}
.hl-result__text.win { color: var(--gold-light); font-size: 1.3rem; }
.hl-result__text.lose { color: #ff8080; }
.hl-result__text.tie { color: var(--aurora-blue); }
.hl-result__amount {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--aurora-green);
  min-height: 32px;
  transition: all 0.3s;
}

/* ─── STREAK BAR ─── */
.hl-streak-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 0;
  margin-bottom: 8px;
}
.hl-streak-info {
  display: flex;
  align-items: center;
  gap: 10px;
}
.hl-streak-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hl-streak-dots {
  display: flex;
  gap: 6px;
}
.streak-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(212,175,55,0.3);
  background: transparent;
  transition: all 0.3s;
}
.streak-dot.active {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 8px rgba(212,175,55,0.6);
}

.hl-streak-multiplier {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--gold);
  font-weight: 700;
  min-width: 40px;
  text-align: center;
  transition: all 0.3s;
}

/* ─── BET ROW ─── */
.hl-bet-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* ─── PREDICTION BUTTONS ─── */
.hl-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hl-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 140px;
  height: 100px;
  border-radius: var(--radius);
  border: 2px solid;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
  position: relative;
  overflow: hidden;
}
.hl-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  opacity: 0.1;
  transition: opacity 0.3s;
}
.hl-btn:hover::before { opacity: 0.2; }
.hl-btn i { font-size: 1.8rem; }
.hl-btn span { font-size: 0.9rem; font-weight: 700; letter-spacing: 2px; }
.hl-btn small { font-size: 0.7rem; opacity: 0.7; }

.hl-btn--higher {
  background: linear-gradient(135deg, rgba(0,201,167,0.15), rgba(0,180,120,0.05));
  border-color: var(--aurora-teal);
  color: var(--aurora-teal);
}
.hl-btn--higher:hover:not(:disabled) {
  background: rgba(0,201,167,0.25);
  box-shadow: 0 8px 32px rgba(0,201,167,0.3);
  transform: translateY(-4px);
}

.hl-btn--lower {
  background: linear-gradient(135deg, rgba(255,96,96,0.15), rgba(220,50,50,0.05));
  border-color: #ff6060;
  color: #ff8080;
}
.hl-btn--lower:hover:not(:disabled) {
  background: rgba(255,96,96,0.25);
  box-shadow: 0 8px 32px rgba(255,96,96,0.3);
  transform: translateY(-4px);
}

.hl-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Pressed state */
.hl-btn--higher.pressed {
  animation: btnPressHigher 0.3s ease;
}
.hl-btn--lower.pressed {
  animation: btnPressLower 0.3s ease;
}
@keyframes btnPressHigher {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(0.95) translateY(2px); background: rgba(0,201,167,0.4); }
}
@keyframes btnPressLower {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(0.95) translateY(2px); background: rgba(255,96,96,0.4); }
}

/* ─── HOW TO PLAY ─── */
.hl-howto {
  border-top: 1px solid rgba(212,175,55,0.1);
  padding-top: 8px;
  margin-top: 8px;
}
.hl-howto__title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 8px 0;
  user-select: none;
  transition: var(--transition);
}
.hl-howto__title:hover { color: var(--gold); }
.hl-howto__arrow { margin-left: auto; transition: transform 0.3s; }
.hl-howto.open .hl-howto__arrow { transform: rotate(180deg); }
.hl-howto__content {
  display: none;
  padding: 16px 0;
  animation: fadeIn 0.3s ease;
}
.hl-howto.open .hl-howto__content { display: block; }
.hl-howto__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.hl-howto__item {
  background: rgba(212,175,55,0.05);
  border: 1px solid rgba(212,175,55,0.15);
  border-radius: 8px;
  padding: 10px 12px;
}
.hl-howto__item strong {
  display: block;
  color: var(--gold);
  font-size: 0.8rem;
  margin-bottom: 2px;
}
.hl-howto__item span {
  color: var(--text-muted);
  font-size: 0.8rem;
}
.hl-howto__note {
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.7;
}

/* ─── DECK INFO ─── */
.deck-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 12px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  margin-top: 16px;
}
.deck-info i { color: var(--gold); }
.deck-info strong { color: var(--off-white); }

/* Win sparkles */
.sparkle {
  position: fixed;
  pointer-events: none;
  z-index: 600;
  font-size: 1.2rem;
  animation: sparkleFly linear forwards;
}
@keyframes sparkleFly {
  0%   { opacity: 1; transform: translateY(0) scale(1) rotate(0deg); }
  100% { opacity: 0; transform: translateY(-80px) scale(0.3) rotate(360deg); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 500px) {
  .hl-cards-area { gap: 16px; }
  .playing-card { width: 100px; height: 150px; }
  .card-suit.center { font-size: 2.2rem; }
  .hl-btn { width: 120px; height: 90px; }
  .hl-btn i { font-size: 1.5rem; }
}