:root {
  --bg: #f0e6ff;
  --bg2: #e8daf5;
  --card: rgba(255, 255, 255, 0.65);
  --card-hover: rgba(255, 255, 255, 0.85);
  --text: #2a1a3e;
  --muted: #6b5a80;
  --accent: #7e3fbf;
  --accent2: #e6a817;
  --glow: rgba(126, 63, 191, 0.12);
  --border: rgba(126, 63, 191, 0.18);
  --border-hover: rgba(230, 168, 23, 0.55);
  --radius: 14px;
  --radius-sm: 10px;
}

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

body {
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 15% 5%, rgba(160, 100, 240, 0.3) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 85%, rgba(255, 200, 60, 0.25) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent2); }

/* --- Header --- */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1rem 1.5rem;
  background: rgba(240, 230, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
}

header.site h1 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header.site .sub { color: var(--muted); font-size: 0.82rem; }

header.site .back-link {
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(230, 168, 23, 0.15), rgba(126, 63, 191, 0.1));
  color: var(--accent2);
  border: 1px solid rgba(230, 168, 23, 0.3);
}

/* --- Main --- */
main {
  padding: 1.5rem 1.5rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Collection Header --- */
.collection-head {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.collection-head h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.collection-head .addr {
  font-size: 0.78rem;
  color: var(--muted);
  word-break: break-all;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.collection-head .stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
}

.collection-head .stat {
  font-size: 0.8rem;
  color: var(--muted);
}

.collection-head .stat strong {
  color: var(--text);
  font-weight: 600;
}

/* --- Grid --- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 1rem; }
}

@media (min-width: 1024px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(195px, 1fr)); }
}

/* --- Card --- */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  box-shadow: 0 8px 30px var(--glow);
}

.card.clickable { cursor: pointer; }

.card-img, .nft-thumb {
  aspect-ratio: 1;
  background: var(--bg2);
  overflow: hidden;
  position: relative;
}

.nft-thumb img, .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
  image-rendering: pixelated;
}

.card:hover .nft-thumb img,
.card:hover .card-img img {
  transform: scale(1.06);
}

.card-body {
  padding: 0.65rem 0.8rem 0.75rem;
}

.card-body h2 { font-size: 0.9rem; font-weight: 600; margin-bottom: 0.15rem; }
.card-body p { font-size: 0.75rem; color: var(--muted); }

.nft-meta {
  padding: 0.5rem 0.7rem 0.6rem;
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nft-meta .token-id {
  font-weight: 600;
  color: var(--accent);
}

/* --- Loading skeleton --- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.03) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-thumb { aspect-ratio: 1; }
.skeleton-text { height: 0.8rem; width: 60%; margin: 0.5rem 0.7rem; border-radius: 4px; }

/* --- Messages --- */
.msg {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 1rem;
  background: rgba(255, 180, 80, 0.08);
  border: 1px solid rgba(255, 180, 80, 0.25);
  color: #f0d9a8;
}

.msg.err {
  background: rgba(255, 80, 80, 0.08);
  border-color: rgba(255, 80, 80, 0.3);
  color: #ffb4b4;
}

/* --- NFT Detail Modal --- */
.nft-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(42, 26, 62, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.nft-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.nft-modal {
  background: #fff;
  border: 1px solid var(--border-hover);
  border-radius: 18px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(80, 40, 120, 0.2), 0 0 60px var(--glow);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.25s ease;
}

.nft-modal-overlay.open .nft-modal {
  transform: scale(1) translateY(0);
}

.nft-modal-img {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 18px 18px 0 0;
  background: var(--bg2);
}

.nft-modal-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
}

.nft-modal-body {
  padding: 1.25rem;
}

.nft-modal-body h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.nft-modal-body .modal-id {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.nft-modal-body .modal-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.trait-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.trait-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem;
  text-align: center;
  transition: border-color 0.15s;
}

.trait-card:hover {
  border-color: var(--border-hover);
}

.trait-type {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent2);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.trait-value {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(42, 26, 62, 0.6);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  z-index: 2;
}

.modal-close:hover { background: rgba(42, 26, 62, 0.85); }

/* --- Footer --- */
footer.site {
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

/* --- Loading text --- */
.loading {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1rem 0;
}

/* --- Pager --- */
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.35rem;
  padding: 1.5rem 0 0.5rem;
  flex-wrap: wrap;
}

.pager-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pager-btn:hover:not(:disabled):not(.active) {
  background: var(--card-hover);
  border-color: var(--border-hover);
  box-shadow: 0 2px 12px var(--glow);
}

.pager-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: var(--accent2);
  color: #fff;
  font-weight: 600;
  cursor: default;
}

.pager-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pager-dots {
  color: var(--muted);
  font-size: 0.85rem;
  padding: 0 0.15rem;
  user-select: none;
}

/* --- Fade-in animation for cards --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.card.loaded {
  animation: fadeInUp 0.35s ease both;
}