:root {
  --gold: #FFD700;
  --silver: #C0C0C0;
  --bronze: #CD7F32;
  --legendary: #FF6B35;
  --ultimate: #FF2D78;
  --epic: #9B59B6;
  --rare: #3498DB;
  --common: #95A5A6;
  --bg: #0a0e1a;
  --card-bg: #141824;
  --panel: #1a2035;
  --accent: #00D4AA;
  --text: #E8EAF0;
  --muted: #6B7280;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* NAV */
nav {
  background: var(--panel);
  border-bottom: 2px solid var(--accent);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo { font-size: 1.5rem; font-weight: 900; color: var(--accent); letter-spacing: 2px; }
.coins-display {
  background: linear-gradient(135deg, #1a2035, #0d1526);
  border: 1px solid var(--gold);
  border-radius: 20px;
  padding: 6px 16px;
  font-weight: 700;
  color: var(--gold);
  font-size: 1rem;
}
.nav-tabs { display: flex; gap: 4px; }
.nav-tab {
  background: none;
  border: none;
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background-color 0.2s, color 0.2s;
  touch-action: manipulation;
}
.nav-tab:hover, .nav-tab.active {
  background: var(--accent);
  color: #000;
}

/* PAGES */
.page { display: none; padding: 24px; max-width: 1400px; margin: 0 auto; }
.page.active { display: block; }

/* CARDS */
.card {
  border-radius: 16px;
  padding: 16px;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  touch-action: manipulation;
  width: 160px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  user-select: none;
}
.card:hover { transform: translateY(-6px) scale(1.03); }

.card.common {
  background: linear-gradient(160deg, #2c3e50, #1a252f);
  border: 2px solid var(--common);
  box-shadow: 0 4px 20px rgba(149,165,166,0.2);
}
.card.rare {
  background: linear-gradient(160deg, #1a3a5c, #0d2137);
  border: 2px solid var(--rare);
  box-shadow: 0 4px 25px rgba(52,152,219,0.35);
}
.card.epic {
  background: linear-gradient(160deg, #2d1b4e, #1a0d30);
  border: 2px solid var(--epic);
  box-shadow: 0 4px 30px rgba(155,89,182,0.45);
}
.card.legendary {
  background: linear-gradient(160deg, #3d1a00, #1f0d00);
  border: 2px solid var(--legendary);
  box-shadow: 0 4px 35px rgba(255,107,53,0.55);
  animation: legendaryPulse 2s infinite;
}
@keyframes legendaryPulse {
  0%, 100% { box-shadow: 0 4px 35px rgba(255,107,53,0.55); }
  50% { box-shadow: 0 4px 50px rgba(255,107,53,0.85), 0 0 20px rgba(255,215,0,0.3); }
}

.card-rarity-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.common .card-rarity-badge { background: var(--common); color: #000; }
.rare .card-rarity-badge { background: var(--rare); color: #fff; }
.epic .card-rarity-badge { background: var(--epic); color: #fff; }
.legendary .card-rarity-badge { background: var(--legendary); color: #fff; }

.card-overall {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 4px;
}
.common .card-overall { color: var(--common); }
.rare .card-overall { color: var(--rare); }
.epic .card-overall { color: var(--epic); }
.legendary .card-overall { color: var(--gold); }

.card-position {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 8px;
}

.card-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 8px;
  border: 2px solid rgba(255,255,255,0.1);
}

.card-name {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  line-height: 1.2;
}
.card-club {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.card-stats {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  font-size: 0.74rem;
}
.stat-item {
  display: flex;
  justify-content: space-between;
  padding: 2px 4px;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
}
.stat-label { color: var(--muted); }
.stat-val { font-weight: 700; }

.card-price {
  margin-top: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
}

/* GRID */
.cards-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-start;
}

/* SECTION HEADERS */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
}
.section-sub { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }

/* BUTTONS */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
  touch-action: manipulation;
}
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #00f0c0; transform: translateY(-1px); }
.btn-gold { background: linear-gradient(135deg, var(--gold), #FFA500); color: #000; }
.btn-gold:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(255,215,0,0.4); }
.btn-danger { background: #e74c3c; color: #fff; }
.btn-danger:hover { background: #c0392b; }
.btn-ultimate { background: linear-gradient(135deg, var(--ultimate), #ff6b9d); color: #fff; }
.btn-ultimate:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(255, 45, 120, 0.45); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #000; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

/* PACKS PAGE */
.packs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}
.pack-card {
  background: var(--panel);
  border-radius: 20px;
  padding: 28px;
  text-align: center;
  border: 2px solid transparent;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.pack-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
  pointer-events: none;
}
.pack-card.bronze-pack { border-color: var(--bronze); }
.pack-card.silver-pack { border-color: var(--silver); }
.pack-card.gold-pack { border-color: var(--gold); }
.pack-card.elite-pack { border-color: var(--legendary); }
.pack-card.ultimate-pack {
  border-color: var(--ultimate);
  box-shadow: 0 0 22px rgba(255, 45, 120, 0.2);
  animation: ultimate-glow 3s ease-in-out infinite;
}
@keyframes ultimate-glow {
  0%, 100% { box-shadow: 0 0 22px rgba(255, 45, 120, 0.2); }
  50%       { box-shadow: 0 0 38px rgba(255, 45, 120, 0.45); }
}

.pack-icon { font-size: 4rem; margin-bottom: 12px; display: block; }
.pack-name { font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; }
.pack-desc { color: var(--muted); font-size: 0.85rem; margin-bottom: 16px; line-height: 1.5; }
.pack-price { font-size: 1.4rem; font-weight: 900; color: var(--gold); margin-bottom: 16px; }

/* PACK OPENING ANIMATION */
.pack-opening-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.pack-opening-overlay.show { display: flex; }
.pack-reveal-area {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  justify-items: center;
  max-width: 1100px;
  padding: 20px;
}
.pack-reveal-area .card {
  width: 100%;
  max-width: 160px;
}
.pack-reveal-card {
  opacity: 0;
  transform: rotateY(90deg) scale(0.8);
  transition: opacity 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.pack-reveal-card.revealed {
  opacity: 1;
  transform: rotateY(0deg) scale(1);
}
.pack-opening-title {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 30px;
  text-align: center;
}
.pack-opening-actions { margin-top: 30px; display: flex; gap: 12px; }

/* MARKET PAGE */
.market-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.filter-select {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}
.search-input {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  width: 200px;
}
.search-input::placeholder { color: var(--muted); }

.market-card-wrap {
  position: relative;
}
.market-buy-btn {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s, bottom 0.2s;
  z-index: 10;
}
.market-card-wrap:hover .market-buy-btn { opacity: 1; bottom: -4px; }

/* COLLECTION PAGE */
.collection-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.stat-box {
  background: var(--panel);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.05);
}
.stat-box-val { font-size: 1.8rem; font-weight: 900; color: var(--accent); }
.stat-box-label { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

/* TRADE PAGE */
.trade-layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: start;
}
.trade-panel {
  background: var(--panel);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.05);
}
.trade-panel-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent);
}
.trade-slot {
  width: 100%;
  min-height: 80px;
  border: 2px dashed rgba(255,255,255,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.2s;
  padding: 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.trade-slot:hover { border-color: var(--accent); }
.trade-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding-top: 60px;
}
.trade-arrow-icon { font-size: 2rem; color: var(--accent); }
.trade-value-compare {
  background: var(--panel);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
  text-align: center;
  font-size: 0.85rem;
}

.ai-bot-select {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.bot-chip {
  background: var(--panel);
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.2s, color 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.bot-chip.selected { border-color: var(--accent); color: var(--accent); }
.bot-chip:hover { border-color: var(--accent); }

/* MODAL */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 500;
  align-items: center;
  justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--panel);
  border-radius: 20px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
}
.modal-title { font-size: 1.3rem; font-weight: 800; margin-bottom: 16px; color: var(--accent); }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.4rem;
  cursor: pointer;
}
.modal-close:hover { color: var(--text); }

/* TOAST */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--panel);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  animation: slideIn 0.3s ease, fadeOut 0.5s ease 4s forwards;
  max-width: 300px;
}
.toast.success { border-color: #2ecc71; }
.toast.error { border-color: #e74c3c; }
.toast.warning { border-color: var(--gold); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }

/* PRICE TICKER */
.price-ticker {
  background: var(--panel);
  border-radius: 12px;
  padding: 12px 20px;
  margin-bottom: 24px;
  display: flex;
  gap: 24px;
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,0.05);
}
.ticker-item { display: flex; flex-direction: column; align-items: center; min-width: 80px; }
.ticker-name { font-size: 0.75rem; color: var(--muted); }
.ticker-price { font-size: 0.85rem; font-weight: 700; color: var(--gold); }
.ticker-change { font-size: 0.75rem; }
.ticker-change.up { color: #2ecc71; }
.ticker-change.down { color: #e74c3c; }

/* SELL MODAL */
.sell-input {
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 1rem;
  width: 100%;
  margin: 12px 0;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .trade-layout { grid-template-columns: 1fr; }
  .trade-arrow { flex-direction: row; padding-top: 0; }
  nav { flex-wrap: wrap; gap: 8px; }
  .nav-tabs { flex-wrap: wrap; }
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--muted); border-radius: 3px; }

/* MINI CARD (for trade slots) */
.mini-card {
  width: 70px;
  border-radius: 8px;
  padding: 6px;
  text-align: center;
  font-size: 0.75rem;
  position: relative;
}
.mini-card.common { background: linear-gradient(160deg,#2c3e50,#1a252f); border: 1px solid var(--common); }
.mini-card.rare { background: linear-gradient(160deg,#1a3a5c,#0d2137); border: 1px solid var(--rare); }
.mini-card.epic { background: linear-gradient(160deg,#2d1b4e,#1a0d30); border: 1px solid var(--epic); }
.mini-card.legendary { background: linear-gradient(160deg,#3d1a00,#1f0d00); border: 1px solid var(--legendary); }
.mini-card-overall { font-size: 1rem; font-weight: 900; }
.mini-card-name { font-size: 0.7rem; font-weight: 700; margin-top: 2px; }
.mini-card-remove {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 16px;
  height: 16px;
  background: #e74c3c;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 900;
  color: #fff;
  border: none;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.empty-state-icon { font-size: 4rem; margin-bottom: 16px; }
.empty-state-text { font-size: 1rem; }

.rarity-filter-btn {
  padding: 6px 14px;
  border-radius: 20px;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--panel);
  color: var(--muted);
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.rarity-filter-btn.active-common { border-color: var(--common); color: var(--common); }
.rarity-filter-btn.active-rare { border-color: var(--rare); color: var(--rare); }
.rarity-filter-btn.active-epic { border-color: var(--epic); color: var(--epic); }
.rarity-filter-btn.active-legendary { border-color: var(--legendary); color: var(--legendary); }
.rarity-filter-btn.active-all { border-color: var(--accent); color: var(--accent); }

/* FOCUS VISIBLE */
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* DAILY GOALS */
.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.goal-card {
  background: var(--panel);
  border-radius: 14px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.07);
  position: relative;
  overflow: hidden;
}
.goal-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.goal-progress-bar {
  height: 8px;
  background: rgba(255,255,255,0.07);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 6px;
}
.goal-progress-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--accent);
  transition: width 0.5s ease;
}
.goal-progress-fill.complete { background: #2ecc71; }
.goal-label { font-size: 0.8rem; color: var(--muted); }
.goal-complete-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 1.3rem;
}

/* LEGENDARY CELEBRATION OVERLAY */
#legendary-flash {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9997;
  pointer-events: none;
  animation: legendaryFlashBg 0.35s ease-out forwards;
}
.legendary-flash-content {
  text-align: center;
  animation: legendaryPopIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.legendary-flash-title {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--legendary);
  text-shadow: 0 0 40px rgba(255,107,53,0.9);
  letter-spacing: 3px;
}
.legendary-flash-name {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gold);
  margin-top: 10px;
  text-shadow: 0 0 20px rgba(255,215,0,0.7);
}
@keyframes legendaryFlashBg {
  0%   { background: rgba(255,107,53,0.22); }
  100% { background: transparent; }
}
@keyframes legendaryPopIn {
  0%   { transform: scale(0.35); opacity: 0; }
  100% { transform: scale(1);    opacity: 1; }
}

/* COINS FLASH ANIMATION */
@keyframes coinFlash {
  0%   { box-shadow: 0 0 0 rgba(255,215,0,0); }
  40%  { box-shadow: 0 0 20px rgba(255,215,0,0.85); transform: scale(1.1); }
  100% { box-shadow: 0 0 0 rgba(255,215,0,0); transform: scale(1); }
}
.coins-display.coins-flash { animation: coinFlash 0.5s ease-out; }

/* PREFERS REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}