:root {
  --bg: #0f1115;
  --surface: #171a21;
  --border: #262b36;
  --fg: #e8eaed;
  --muted: #98a1b3;
  --accent: #60a5fa;
  --accent-dim: #15203a;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .9em;
  background: #0b0d11;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .1em .4em;
}

pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  background: #0b0d11;
  border: 1px solid var(--border);
  border-radius: 10px;
}
pre code { background: none; border: 0; padding: 0; font-size: .85rem; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: #12151b;
}

.brand { font-weight: 650; text-decoration: none; color: var(--fg); }

.topbar nav { display: flex; gap: .35rem; }
.topbar nav a {
  padding: .4rem .8rem;
  border-radius: 999px;
  font-size: .92rem;
  text-decoration: none;
  color: var(--muted);
}
.topbar nav a:hover { color: var(--fg); background: #1c202a; }
.topbar nav a.active { color: var(--accent); background: var(--accent-dim); }

main {
  flex: 1;
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: space-between;
  max-width: 62rem;
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .85rem;
}

.hero { margin-bottom: 2.5rem; }
.hero.narrow { max-width: 40rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--accent);
}
.badge.muted { color: var(--muted); }

.dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

h1 {
  margin: .6rem 0 .5rem;
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  letter-spacing: -.025em;
  line-height: 1.15;
}

h2 { margin: 0 0 .75rem; font-size: 1.05rem; }

.lede { margin: 0; color: var(--muted); max-width: 44rem; }

.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }

.btn {
  display: inline-block;
  padding: .55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #0a1020;
  font: inherit;
  font-size: .92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  margin-bottom: 1rem;
}

.note {
  margin: 1rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .88rem;
}

/* ---------------------------------------------------------------- storefront */

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.cart-link { display: inline-flex; align-items: center; gap: .4rem; }
.cart-link .count {
  min-width: 1.3rem;
  padding: 0 .35rem;
  border-radius: 999px;
  background: var(--accent);
  color: #0a1020;
  font-size: .75rem;
  font-weight: 700;
  text-align: center;
}

.btn-sm { padding: .4rem .85rem; font-size: .85rem; }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--fg);
}
.btn-ghost:hover { background: #1c202a; filter: none; }

.eyebrow {
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.price { font-variant-numeric: tabular-nums; font-weight: 650; }
.price-lg { margin: .35rem 0 1rem; font-size: 1.6rem; }

.pill {
  padding: .3rem .7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: .8rem;
}

.notice {
  margin: 0 0 1.5rem;
  padding: .85rem 1.1rem;
  background: var(--accent-dim);
  border: 1px solid #24365c;
  border-radius: 10px;
  color: var(--fg);
  font-size: .9rem;
}

/* filters */

.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.75rem; }
.chip {
  padding: .35rem .85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: .85rem;
  text-decoration: none;
}
.chip:hover { color: var(--fg); background: #1c202a; }
.chip.on { color: var(--accent); background: var(--accent-dim); border-color: #24365c; }

/* product grid */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-art, .detail-art, .line-art {
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 35%, #1e2432, #12151b);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}
.card-art { aspect-ratio: 4 / 3; font-size: 3.25rem; }

.card-body { display: flex; flex-direction: column; gap: .4rem; padding: 1.1rem; flex: 1; }
.card-body h2 { margin: 0; font-size: 1rem; }
.card-body h2 a { color: var(--fg); text-decoration: none; }
.card-body h2 a:hover { color: var(--accent); }

.blurb { margin: 0; color: var(--muted); font-size: .88rem; flex: 1; }

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-top: .6rem;
  padding-top: .9rem;
  border-top: 1px solid var(--border);
}
.card-foot form { margin: 0; }

/* product detail */

.crumbs {
  display: flex;
  gap: .5rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: .85rem;
}
.crumbs a { text-decoration: none; color: var(--muted); }
.crumbs a:hover { color: var(--accent); }

.detail {
  display: grid;
  grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.detail-art {
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 6rem;
}
.detail-body h1 { margin: .5rem 0 0; }

.stock { margin: 1.25rem 0 0; font-size: .88rem; }
.stock.in { color: #6ee7a8; }
.stock.out { color: var(--muted); }

.buy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-top: 1rem;
}
.buy label { color: var(--muted); font-size: .88rem; }

input[type="number"] {
  width: 4.75rem;
  padding: .5rem .6rem;
  background: #0b0d11;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  font: inherit;
  font-size: .92rem;
}
input[type="number"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* cart */

.lines { margin: 0 0 1.5rem; padding: 0; list-style: none; display: grid; gap: .75rem; }

.line {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.line-art { width: 4rem; height: 4rem; border: 1px solid var(--border); border-radius: 10px; font-size: 1.9rem; }
.line-main { display: flex; flex-direction: column; gap: .15rem; min-width: 0; }
.line-name { color: var(--fg); font-weight: 600; text-decoration: none; }
.line-name:hover { color: var(--accent); }
.line-unit { color: var(--muted); font-size: .85rem; }
.line-qty { display: flex; align-items: center; gap: .5rem; margin: 0; }
.line-total { font-variant-numeric: tabular-nums; font-weight: 650; white-space: nowrap; }

.summary dl { margin: 0; display: grid; gap: .55rem; }
.summary dl > div { display: flex; justify-content: space-between; gap: 1rem; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; font-variant-numeric: tabular-nums; }
.summary .grand {
  margin-top: .35rem;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
  font-size: 1.15rem;
  font-weight: 650;
}
.summary .grand dt { color: var(--fg); }
.summary .actions form { margin: 0; }

@media (max-width: 40rem) {
  .detail { grid-template-columns: 1fr; gap: 1.25rem; }
  .detail-art { max-width: 14rem; font-size: 4rem; }
  .line { grid-template-columns: 3rem minmax(0, 1fr); row-gap: .75rem; }
  .line-art { width: 3rem; height: 3rem; font-size: 1.5rem; }
  .line-qty, .line-total { grid-column: 2; justify-self: start; }
}