:root {
  --bg: #0b0b0f;
  --surface: #13131a;
  --surface-2: #1a1a24;
  --border: #262634;
  --text: #e7e7ee;
  --muted: #8a8a99;
  --accent: linear-gradient(135deg, #5b8dff 0%, #a06bff 100%);
  --accent-glow: rgba(139, 108, 255, 0.30);
  --success: #38d39f;
  --danger: #ff5c7c;
  --radius-card: 12px;
  --radius-pill: 20px;
  --shadow-soft: 0 6px 24px rgba(0, 0, 0, 0.35);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 11, 15, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  letter-spacing: 0.3px;
  background: var(--accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 18px;
}
.brand span { color: transparent; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
}
.tab {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  transition: all 180ms var(--ease);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  white-space: nowrap;
}
.tab:hover {
  color: var(--text);
  background: var(--surface-2);
  border-color: #3a3a52;
  transform: translateY(-1px);
}
.tab.active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 24px var(--accent-glow);
}
.tab:focus-visible {
  outline: 2px solid #8b6cff;
  outline-offset: 2px;
}

/* ---------- Main wrap ---------- */
.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px;
}

/* ---------- Banner ---------- */
.banner {
  margin: 8px 0 16px;
  padding: 22px 20px;
  border-radius: var(--radius-card);
  background: linear-gradient(160deg, rgba(91,141,255,0.10), rgba(160,107,255,0.10));
  border: 1px solid var(--border);
  text-align: center;
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255,255,255,0.04);
}
.banner h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

/* ---------- Grid (7 columns everywhere) ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}
@media (max-width: 640px) {
  .grid { gap: 3px; }
  .wrap { padding: 8px; }
  .banner { padding: 14px 12px; }
  .banner h1 { font-size: 15px; }
}

/* ---------- Card ---------- */
.card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.card:hover {
  border-color: #3a3a52;
  box-shadow: 0 0 0 1px rgba(139,108,255,0.20), var(--shadow-soft);
}
.thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--surface-2);
}
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 300ms var(--ease);
}
.card:hover .thumb img { transform: scale(1.03); }

.copy-btn {
  width: 100%;
  padding: 6px 6px;
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  cursor: pointer;
  transition: all 180ms var(--ease);
  letter-spacing: 0.2px;
}
.copy-btn:hover {
  background: var(--accent);
  color: #fff;
}
.copy-btn:active { transform: scale(0.96); }
.copy-btn.copied {
  background: linear-gradient(135deg, #2ad59a, #38d39f);
  color: #04241a;
  font-weight: 600;
}
.copy-btn:focus-visible {
  outline: 2px solid #8b6cff;
  outline-offset: -2px;
}

@media (max-width: 640px) {
  .copy-btn { font-size: 9px; padding: 4px 2px; }
}

/* ---------- Skeleton ---------- */
.skeleton {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-card);
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite linear;
  border: 1px solid var(--border);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Empty / Denied ---------- */
.empty, .denied {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.empty div, .denied-icon {
  font-size: 40px;
  margin-bottom: 12px;
}
.denied h2 { color: var(--text); margin: 0 0 6px; font-weight: 600; }
.denied p, .empty p { margin: 0; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  padding: 12px 18px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
  z-index: 100;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.success { border-color: rgba(56,211,159,0.4); color: var(--success); }
.toast.error   { border-color: rgba(255,92,124,0.4); color: var(--danger); }