/* MucaAI STL Shop — mucaai.com theme */
:root {
  --bg: #07070c;
  --bg-2: #0b0c15;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --text: #f4f4f8;
  --muted: #9b9cb0;
  --violet: #7c5cff;
  --cyan: #22d3ee;
  --green: #34d399;
  --grad: linear-gradient(100deg, #7c5cff 0%, #22d3ee 100%);
  --radius: 18px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100svh;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.container { width: min(1160px, 92vw); margin: 0 auto; }

.aurora {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden;
}
.aurora::before, .aurora::after {
  content: ""; position: absolute; width: 64vw; height: 64vw; border-radius: 50%;
  opacity: 0.16;
}
.aurora::before {
  top: -22.5vw; left: -16.5vw;
  background: radial-gradient(circle closest-side,
    rgba(124, 92, 255, 1) 0%, rgba(124, 92, 255, 0.34) 68%, transparent 92%);
}
.aurora::after {
  bottom: -24.5vw; right: -18.5vw;
  background: radial-gradient(circle closest-side,
    rgba(34, 211, 238, 1) 0%, rgba(34, 211, 238, 0.34) 68%, transparent 92%);
}
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 60; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (max-width: 860px) { .grain { display: none; } }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 7, 12, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: min(1160px, 92vw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0; gap: 1rem;
}
.brand {
  display: flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
}
.brand em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand .slash { color: var(--cyan); font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.nav-links a {
  font-size: 0.88rem; color: var(--muted); transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.on { color: var(--text); }
.user-chip {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.82rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.28rem 0.7rem 0.28rem 0.28rem;
  background: var(--surface);
}
.user-chip img {
  width: 22px; height: 22px; border-radius: 50%; object-fit: cover;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  padding: 0.72rem 1.35rem; border-radius: 999px;
  background: var(--grad); color: #fff; border: 0; cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(124, 92, 255, 0.35); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--cyan); box-shadow: 0 8px 24px rgba(34, 211, 238, 0.14); }
.btn-sm { padding: 0.48rem 0.95rem; font-size: 0.82rem; }

/* Hero */
.hero {
  padding: 3.2rem 0 1.6rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line); border-radius: 999px;
  padding: 0.38rem 0.95rem; background: var(--surface);
}
.hero-badge i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 10px var(--green);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.1;
  margin: 1rem 0 0.75rem; max-width: 18ch;
}
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { color: var(--muted); max-width: 52ch; margin-bottom: 1.4rem; }
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* Toolbar */
.toolbar {
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center;
  margin: 0.5rem 0 1.6rem;
}
.toolbar input, .toolbar select {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 0.65rem 0.9rem; min-width: 0;
}
.toolbar input { flex: 1 1 220px; }
.toolbar select { flex: 0 0 auto; }
.stat-pill {
  font-size: 0.8rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.4rem 0.85rem; background: var(--surface);
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.15rem;
  padding-bottom: 4rem;
}
.card {
  position: relative;
  display: flex; flex-direction: column;
  border-radius: var(--radius); overflow: hidden;
  background: var(--surface); border: 1px solid var(--line);
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
  cursor: pointer;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 92, 255, 0.45);
  background: var(--surface-2);
}
.card-preview {
  position: relative;
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(280px circle at 30% 20%, rgba(124, 92, 255, 0.18), transparent 65%),
    radial-gradient(280px circle at 75% 80%, rgba(34, 211, 238, 0.12), transparent 65%),
    #0d0d16;
  overflow: hidden;
}
.card-preview canvas { width: 100% !important; height: 100% !important; display: block; }
.card-preview img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.card-preview .placeholder {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 2.6rem; opacity: 0.55;
}
.card-body { padding: 1.05rem 1.15rem 1.2rem; display: flex; flex-direction: column; gap: 0.45rem; flex: 1; }
.card-body h3 {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 600;
  letter-spacing: -0.01em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  font-size: 0.74rem; color: var(--muted);
}
.card-meta span {
  border: 1px solid var(--line); border-radius: 999px; padding: 0.15rem 0.55rem;
}
.card-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 0.55rem;
}
.price {
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
}
.price small { font-size: 0.72rem; color: var(--muted); font-weight: 500; margin-left: 0.15rem; }

/* Empty / status */
.empty {
  grid-column: 1 / -1;
  text-align: center; padding: 3.5rem 1rem;
  border: 1px dashed var(--line); border-radius: var(--radius);
  color: var(--muted);
}
.empty h3 { color: var(--text); font-family: var(--font-display); margin-bottom: 0.5rem; }
.empty p { margin-bottom: 1.2rem; }

/* Detail layout */
.detail {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 1.5rem;
  padding: 1.5rem 0 4rem;
}
@media (max-width: 900px) {
  .detail { grid-template-columns: 1fr; }
}
.viewer-wrap {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #0d0d16;
  overflow: hidden;
  min-height: 420px;
  position: relative;
}
.viewer-wrap canvas { width: 100% !important; height: 100% !important; display: block; min-height: 420px; }
.viewer-hint {
  position: absolute; bottom: 12px; left: 12px;
  font-size: 0.75rem; color: var(--muted);
  background: rgba(7,7,12,0.7); border: 1px solid var(--line);
  border-radius: 999px; padding: 0.35rem 0.75rem;
  pointer-events: none;
}
.viewer-loading {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--muted); font-size: 0.9rem; background: rgba(7,7,12,0.35);
}
.buy-panel {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 1.5rem;
  align-self: start;
  position: sticky; top: 5.2rem;
}
.buy-panel h1 {
  font-family: var(--font-display); font-size: 1.65rem; font-weight: 700;
  letter-spacing: -0.02em; margin-bottom: 0.4rem;
}
.buy-panel .desc {
  color: var(--muted); font-size: 0.92rem; margin: 0.8rem 0 1.1rem;
  white-space: pre-wrap;
}
.buy-panel .price-lg {
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
  margin-bottom: 0.3rem;
}
.buy-panel .price-lg small { font-size: 0.85rem; color: var(--muted); font-weight: 500; }
.fmt-tags { display: flex; gap: 0.45rem; flex-wrap: wrap; margin: 0.9rem 0 1.2rem; }
.fmt-tags span {
  font-size: 0.78rem; font-weight: 600;
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  border-radius: 999px; padding: 0.28rem 0.75rem;
}
.seller-row {
  display: flex; align-items: center; gap: 0.6rem;
  margin: 1rem 0; font-size: 0.88rem; color: var(--muted);
}
.seller-row img { width: 28px; height: 28px; border-radius: 50%; }
.buy-actions { display: grid; gap: 0.6rem; margin-top: 0.5rem; }
.alert {
  border-radius: 12px; padding: 0.75rem 0.95rem; margin-bottom: 0.9rem;
  font-size: 0.88rem;
}
.alert.ok { background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52, 211, 153, 0.3); color: var(--green); }
.alert.err { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: #f87171; }
.alert.info { background: rgba(124, 92, 255, 0.1); border: 1px solid rgba(124, 92, 255, 0.3); color: #c4b5fd; }

/* Order success */
.order-box {
  margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line);
}
.order-box h3 { font-family: var(--font-display); margin-bottom: 0.6rem; }
.dl-row { display: grid; gap: 0.5rem; }

/* Mine table */
.mine-list { display: grid; gap: 0.85rem; padding-bottom: 4rem; }
.mine-item {
  display: grid; grid-template-columns: 88px 1fr auto; gap: 1rem; align-items: center;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); padding: 0.85rem;
}
.mine-item .thumb {
  width: 88px; height: 88px; border-radius: 12px; overflow: hidden;
  background: #0d0d16; display: grid; place-items: center;
}
.mine-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.mine-item h3 { font-family: var(--font-display); font-size: 1.05rem; }
.mine-item .sub { color: var(--muted); font-size: 0.84rem; }
.mine-actions { display: flex; flex-direction: column; gap: 0.4rem; }
@media (max-width: 640px) {
  .mine-item { grid-template-columns: 72px 1fr; }
  .mine-actions { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; }
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2.2rem;
  color: var(--muted); font-size: 0.82rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem;
}
.footer a { color: var(--cyan); }

.hidden { display: none !important; }
.spin {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--line); border-top-color: var(--cyan);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }