:root {
  --bg: #0e0f13;
  --card: #151822;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #2dd4bf;
  --accent-2: #60a5fa;
  --border: #232735;
  --cols-portrait: 2;
  --cols-landscape: 4;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
}

/* Animated background layer */
.animated-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.animated-bg .blob {
  position: absolute;
  width: 70vmax;
  height: 70vmax;
  filter: blur(60px);
  opacity: 0.35;
  will-change: transform;
}
.animated-bg .b1 {
  left: -10vmax;
  top: -10vmax;
  background: radial-gradient(circle at 30% 30%, rgba(45,212,191,0.35), transparent 60%);
  animation: blobFloat1 22s ease-in-out infinite alternate;
}
.animated-bg .b2 {
  right: -10vmax;
  bottom: -10vmax;
  background: radial-gradient(circle at 70% 70%, rgba(96,165,250,0.35), transparent 60%);
  animation: blobFloat2 26s ease-in-out infinite alternate;
}
.animated-bg .grain {
  position: absolute;
  inset: -50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  animation: grainShift 6s steps(6) infinite;
}

@keyframes blobFloat1 {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(10vmax, 5vmax, 0) scale(1.05) rotate(10deg); }
  100% { transform: translate3d(5vmax, 10vmax, 0) scale(1.1) rotate(20deg); }
}
@keyframes blobFloat2 {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-8vmax, -6vmax, 0) scale(1.07) rotate(-8deg); }
  100% { transform: translate3d(-12vmax, -2vmax, 0) scale(1.12) rotate(-16deg); }
}
@keyframes grainShift {
  0% { transform: translate3d(0,0,0); }
  100% { transform: translate3d(-10%, -10%, 0); }
}

.page-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(1.2) blur(10px);
  background: linear-gradient(180deg, rgba(20,22,30,0.9), rgba(20,22,30,0.6) 70%, transparent);
  border-bottom: 1px solid var(--border);
}
.page-title { margin: 0; padding: 16px 16px; font-size: 18px; }

.page-content { padding: 16px; position: relative; z-index: 1; }

.category-title { margin: 18px 4px 10px; font-size: 18px; color: var(--muted); font-weight: 700; }

.hero { margin: 8px 0 18px; text-align: center; }
.hero-title {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.hero-title .brand {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead { margin: 0 0 6px; color: var(--text); font-size: 15px; opacity: 0.95; }
.hero-sub { margin: 0; color: var(--muted); font-size: 14px; font-style: italic; }

@media (min-width: 640px) {
  .hero-title { font-size: 34px; }
  .hero-lead { font-size: 16px; }
}



.catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

@media (min-width: 640px) { .catalog { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .catalog { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* Orientation-based control of columns */
@media (orientation: portrait) {
  .catalog { grid-template-columns: repeat(var(--cols-portrait), minmax(0, 1fr)); }
}
@media (orientation: landscape) {
  .catalog { grid-template-columns: repeat(var(--cols-landscape), minmax(0, 1fr)); }
}

.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: linear-gradient(180deg, #151822, #121420);
  overflow: hidden;
}
.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #0b0d12;
}
.card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-body { padding: 10px 12px 12px 12px; }
.card-title { margin: 0 0 6px; font-size: 14px; font-weight: 600; }
.card-price { margin: 0; font-size: 13px; color: var(--accent); }
.card-sub { margin: 4px 0 0; font-size: 12px; color: var(--muted); }

.card-action {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding: 10px 12px 12px;
}
.btn {
  appearance: none;
  outline: none;
  border: 1px solid var(--border);
  background: #10131b;
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
}
.btn.primary { border-color: transparent; background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #0a0c12; font-weight: 700; }
.btn:active { transform: translateY(1px); }

.empty { color: var(--muted); text-align: center; padding: 32px 0; }