@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Inter:wght@400;500;600&display=swap');

:root {
  --ink: #1c1a2e;
  --parchment: #efe6d8;
  --violet-deep: #2c2350;
  --violet-mid: #4a3b7a;
  --gold-foil: #c9a24b;
  --ember: #b5563f;
  --rarity-common: #8a8a8a;
  --rarity-uncommon: #4f9d69;
  --rarity-rare: #4a7fc9;
  --rarity-epic: #9b5fc0;
  --rarity-legendary: #c9a24b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ink);
  background-image:
    radial-gradient(circle at 15% 10%, rgba(74, 59, 122, 0.35), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(181, 86, 63, 0.15), transparent 45%);
  color: var(--parchment);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
}

h1, h2, h3, .brand-name { font-family: 'Fraunces', serif; }

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid rgba(201, 162, 75, 0.25);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { color: var(--gold-foil); font-size: 20px; }
.brand-name { letter-spacing: 0.12em; font-size: 18px; font-weight: 600; }

.tabs { display: flex; gap: 4px; background: rgba(0,0,0,0.2); padding: 4px; border-radius: 999px; }
.tab {
  background: none; border: none; color: rgba(239,230,216,0.6);
  padding: 8px 18px; border-radius: 999px; cursor: pointer; font-size: 14px;
  font-family: 'Inter', sans-serif; transition: all 0.2s ease;
}
.tab.active { background: var(--gold-foil); color: var(--ink); font-weight: 600; }
.tab:not(.active):hover { color: var(--parchment); }

.account { display: flex; align-items: center; gap: 14px; }
.gold-display { color: var(--gold-foil); font-weight: 600; font-family: 'Fraunces', serif; }

.btn {
  font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 600;
  padding: 10px 20px; border-radius: 999px; border: none; cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--gold-foil); color: var(--ink); }
.btn-ghost { background: transparent; border: 1px solid rgba(239,230,216,0.4); color: var(--parchment); }
.btn-danger { background: var(--ember); color: var(--parchment); }

main#app { padding: 40px 32px; max-width: 1100px; margin: 0 auto; }

.section-title {
  font-size: 28px; margin: 0 0 6px;
}
.section-sub { color: rgba(239,230,216,0.6); margin: 0 0 32px; font-size: 15px; }

/* Pack selection */
.pack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.pack-card {
  background: linear-gradient(160deg, var(--violet-mid), var(--violet-deep));
  border: 1px solid rgba(201, 162, 75, 0.3);
  border-radius: 16px;
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.pack-card::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(201,162,75,0.2), transparent 60%);
}
.pack-card h3 { margin: 0 0 4px; font-size: 22px; }
.pack-card .pack-price { font-size: 32px; font-family: 'Fraunces', serif; color: var(--gold-foil); margin: 12px 0; }
.pack-card p { color: rgba(239,230,216,0.7); font-size: 14px; line-height: 1.5; }
.pack-card .btn { width: 100%; margin-top: 16px; }

/* Card visual (shared across inventory/market/pack-opening) */
.fera-card {
  border-radius: 14px;
  padding: 16px;
  width: 180px;
  background: linear-gradient(165deg, #2a2450, #1c1a2e);
  border: 2px solid var(--rarity-common);
  position: relative;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.fera-card[data-rarity="uncommon"] { border-color: var(--rarity-uncommon); }
.fera-card[data-rarity="rare"] { border-color: var(--rarity-rare); }
.fera-card[data-rarity="epic"] { border-color: var(--rarity-epic); box-shadow: 0 0 24px rgba(155,95,192,0.35); }
.fera-card[data-rarity="legendary"] { border-color: var(--rarity-legendary); box-shadow: 0 0 30px rgba(201,162,75,0.5); }

.fera-card .emoji { font-size: 48px; text-align: center; margin-bottom: 8px; }
.fera-card .name { font-family: 'Fraunces', serif; font-size: 16px; margin: 0 0 2px; }
.fera-card .species { font-size: 11px; color: rgba(239,230,216,0.55); margin: 0 0 10px; }
.fera-card .stat-row { display: flex; justify-content: space-between; font-size: 12px; color: rgba(239,230,216,0.75); }
.fera-card .rarity-tag {
  position: absolute; top: 10px; right: 10px; font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 2px 8px; border-radius: 999px; background: rgba(0,0,0,0.35);
}

.card-grid { display: flex; flex-wrap: wrap; gap: 20px; }

.card-actions { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.card-actions input {
  width: 100%; padding: 6px 8px; border-radius: 6px; border: 1px solid rgba(239,230,216,0.3);
  background: rgba(0,0,0,0.25); color: var(--parchment); font-size: 13px;
}

.listing-card { position: relative; }
.listing-seller { font-size: 11px; color: rgba(239,230,216,0.5); margin-top: 8px; }

/* Modal */
.payment-banner {
  background: var(--gold-foil); color: var(--ink); text-align: center;
  padding: 10px; font-weight: 600; font-size: 14px; position: sticky; top: 0; z-index: 100;
}

.coin-options { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.coin-option-btn {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(0,0,0,0.25); border: 1px solid rgba(201,162,75,0.3);
  border-radius: 10px; padding: 12px 16px; cursor: pointer; color: var(--parchment);
  font-family: 'Inter', sans-serif; font-size: 14px; transition: border-color 0.15s ease;
}
.coin-option-btn:hover { border-color: var(--gold-foil); }
.coin-option-btn .coin-price { color: var(--gold-foil); font-weight: 600; }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(10,8,20,0.75);
  display: flex; align-items: center; justify-content: center; z-index: 50;
  backdrop-filter: blur(4px);
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--violet-deep); border: 1px solid rgba(201,162,75,0.3);
  border-radius: 16px; padding: 32px; width: 320px;
}
.modal h2 { margin-top: 0; }
.modal form { display: flex; flex-direction: column; gap: 14px; }
.modal label { font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.modal input {
  padding: 10px 12px; border-radius: 8px; border: 1px solid rgba(239,230,216,0.25);
  background: rgba(0,0,0,0.25); color: var(--parchment); font-size: 14px;
}
.link-btn {
  background: none; border: none; color: rgba(239,230,216,0.6); font-size: 13px;
  cursor: pointer; text-decoration: underline; margin-top: 10px; display: block; width: 100%;
}
.error { color: var(--ember); font-size: 13px; }

/* Pack opening ceremony */
.pack-open-stage { display: flex; flex-direction: column; align-items: center; gap: 28px; }
.pack-open-cards { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; max-width: 800px; }
.pack-open-cards .fera-card {
  animation: reveal 0.5s ease backwards;
}
@keyframes reveal {
  from { opacity: 0; transform: translateY(24px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.empty-state { text-align: center; padding: 60px 20px; color: rgba(239,230,216,0.5); }

@media (max-width: 720px) {
  .topbar { flex-direction: column; gap: 12px; }
  .tabs { order: 3; }
}