:root {
  --game-bg: #080b12;
  --game-bg-2: #0e1420;
  --card-bg: #111827;
  --card-border: rgba(212, 175, 55, 0.22);
  --card-hover: rgba(212, 175, 55, 0.45);
  --text-main: #f0f2f5;
  --text-dim: #9aa3b2;
  --text-muted: #6b7280;
  --accent: #d4af37;
  --accent-soft: rgba(212, 175, 55, 0.12);
  --danger: #ef4444;
  --success: #22c55e;
  --info: #3b82f6;

  --rarity-common: #9aa3b2;
  --rarity-uncommon: #4ade80;
  --rarity-rare: #60a5fa;
  --rarity-epic: #c084fc;
  --rarity-legendary: #f59e0b;
  --rarity-mythic: #f43f5e;
}

* {
  box-sizing: border-box;
}

body.game-body {
  background: var(--game-bg);
  color: var(--text-main);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  margin: 0;
  min-height: 100vh;
}

.game-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top nav ─────────────────────────────────────────────────────────────── */
.game-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: rgba(8, 11, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.12);
}

.game-nav .brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-decoration: none;
}

.game-nav .nav-tabs {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.game-nav .nav-tabs::-webkit-scrollbar {
  display: none;
}

.game-nav .nav-tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 0.5rem 0.85rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.game-nav .nav-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.game-nav .nav-tab.active {
  color: var(--game-bg);
  background: var(--accent);
}

.game-nav .currencies {
  display: flex;
  gap: 0.75rem;
  font-size: 0.8rem;
}

.currency-pill {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.currency-pill .icon {
  font-size: 0.9rem;
}

.currency-pill.ink { color: #60a5fa; }
.currency-pill.dust { color: #c084fc; }
.currency-pill.gold { color: var(--accent); }

/* ── Main content ────────────────────────────────────────────────────────── */
.game-main {
  flex: 1;
  padding: 1.25rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.game-section {
  display: none;
  animation: fadeIn 0.25s ease;
}

.game-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-header {
  margin-bottom: 1.25rem;
}

.section-header h1 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.section-header p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ── Cards ───────────────────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
  gap: 1rem;
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

.card {
  position: relative;
  background: var(--card-bg);
  border-radius: 0.75rem;
  border: 1px solid var(--card-border);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  display: flex;
  flex-direction: column;
  aspect-ratio: 3 / 4;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 50%, rgba(0,0,0,0.2) 100%);
  pointer-events: none;
  z-index: 2;
}

.card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--card-hover);
  border-color: var(--card-hover);
}

.card .card-frame {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 3;
  border: 2px solid transparent;
  transition: border-color 0.18s ease;
}

.card.common .card-frame { border-color: var(--rarity-common); }
.card.uncommon .card-frame { border-color: var(--rarity-uncommon); }
.card.rare .card-frame { border-color: var(--rarity-rare); }
.card.epic .card-frame { border-color: var(--rarity-epic); }
.card.legendary .card-frame { border-color: var(--rarity-legendary); }
.card.mythic .card-frame { border-color: var(--rarity-mythic); }

.card .card-glow {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 1;
  filter: blur(12px);
}

.card:hover .card-glow {
  opacity: 0.35;
}

.card.common .card-glow { background: var(--rarity-common); }
.card.uncommon .card-glow { background: var(--rarity-uncommon); }
.card.rare .card-glow { background: var(--rarity-rare); }
.card.epic .card-glow { background: var(--rarity-epic); }
.card.legendary .card-glow { background: var(--rarity-legendary); }
.card.mythic .card-glow { background: var(--rarity-mythic); }

.card .card-top-bar {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.6rem 0.25rem;
}

.card .cost-badge {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--accent);
}

.card .category-icon {
  font-size: 0.85rem;
  opacity: 0.85;
}

.card .card-art {
  position: relative;
  z-index: 4;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  overflow: hidden;
}

.card .card-art .mascot-placeholder {
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2.5rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 20px rgba(0,0,0,0.3);
}

.card .card-info {
  position: relative;
  z-index: 4;
  padding: 0.6rem;
  background: linear-gradient(0deg, rgba(0,0,0,0.75) 0%, transparent 100%);
}

.card .card-name {
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 0 0.15rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card .card-stats {
  position: relative;
  z-index: 4;
  display: flex;
  justify-content: space-around;
  padding: 0.4rem 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.35);
}

.card .stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

.card .stat-value {
  font-size: 0.9rem;
  font-weight: 700;
}

.card .stat-label {
  font-size: 0.55rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.card .stat.power .stat-value { color: #f87171; }
.card .stat.health .stat-value { color: #34d399; }
.card .stat.speed .stat-value { color: #60a5fa; }

.card .rarity-stamp {
  position: absolute;
  top: 0.35rem;
  right: 0.35rem;
  z-index: 5;
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.35rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid currentColor;
}

.card.common .rarity-stamp { color: var(--rarity-common); }
.card.uncommon .rarity-stamp { color: var(--rarity-uncommon); }
.card.rare .rarity-stamp { color: var(--rarity-rare); }
.card.epic .rarity-stamp { color: var(--rarity-epic); }
.card.legendary .rarity-stamp { color: var(--rarity-legendary); }
.card.mythic .rarity-stamp { color: var(--rarity-mythic); }

/* ── Card detail modal ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  max-width: 420px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  z-index: 10;
}

/* ── Filters ─────────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  align-items: center;
}

.filter-bar .filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.filter-chip {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-chip:hover {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-main);
}

.filter-chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.search-input {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  padding: 0.55rem 0.9rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  min-width: 220px;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Pack opening ────────────────────────────────────────────────────────── */
.pack-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: 1.5rem;
}

.pack {
  width: 220px;
  height: 300px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 2px solid var(--accent);
  border-radius: 1rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.15);
  transition: transform 0.2s ease;
}

.pack:hover {
  transform: scale(1.03);
}

.pack .pack-seal {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 2px solid var(--accent);
  display: grid;
  place-items: center;
  font-size: 2rem;
}

.pack-reveal {
  display: none;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 1rem;
}

.pack-reveal.active {
  display: flex;
}

.pack-reveal .card {
  width: 165px;
  animation: revealPop 0.4s ease backwards;
}

@keyframes revealPop {
  0% { opacity: 0; transform: scale(0.6) translateY(20px); }
  60% { transform: scale(1.08); }
  100% { opacity: 1; transform: scale(1); }
}

/* ── Deck builder ────────────────────────────────────────────────────────── */
.deck-builder {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .deck-builder {
    grid-template-columns: 1.4fr 0.6fr;
  }
}

.deck-panel {
  background: var(--game-bg-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 0.75rem;
  padding: 1rem;
}

.deck-panel h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.deck-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.5rem;
}

.deck-slot {
  aspect-ratio: 3 / 4;
  background: rgba(0, 0, 0, 0.25);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 0.5rem;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.deck-slot:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.deck-slot.filled {
  border-style: solid;
  border-color: var(--card-border);
  background: var(--card-bg);
  color: var(--text-main);
  font-size: 0.65rem;
  padding: 0.35rem;
  text-align: center;
}

/* ── Battlefield ─────────────────────────────────────────────────────────── */
.battlefield {
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.05) 0%, rgba(14, 20, 32, 0.8) 100%);
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: 1rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

.hero-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.hero-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.hero-health {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--danger);
}

.deck-count, .mana-pool {
  font-size: 0.875rem;
  color: var(--text-dim);
}

.turn-banner {
  text-align: center;
  padding: 0.5rem;
  margin: 0.5rem 0;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
}

.board-row {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  min-height: 140px;
  padding: 0.5rem;
}

.board-row .card {
  width: 110px;
  aspect-ratio: 3 / 4;
}

.hand-row {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.hand-row .card {
  width: 130px;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.game-log {
  background: var(--game-bg-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 0.5rem;
  padding: 0.75rem;
  height: 120px;
  overflow-y: auto;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.game-log p {
  margin: 0 0 0.35rem;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.1rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  color: #0b0f17;
}

.btn.primary:hover:not(:disabled) {
  background: #e4c150;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.12);
}

.btn.secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.14);
}

/* ── Empty states ────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-dim);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

.empty-state h3 {
  margin: 0 0 0.35rem;
  color: var(--text-main);
}

.empty-state p {
  margin: 0;
  font-size: 0.9rem;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.game-footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ── Reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}