/* AnyCompany Shop — mobile-first, responsive storefront SPA.
   Brand: ink #232f3e, brand #ff9900. Vanilla CSS, no build step. */
:root {
  --brand: #ff9900;
  --ink: #232f3e;
  --bg: #f6f7f9;
  --line: #e3e6ea;
  --muted: #6b7280;
  --ok: #12633a;
  --err: #c0392b;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
}
h1 { font-size: 1.4rem; margin: 0 0 14px; }
code { background: #fff3d6; padding: 1px 5px; border-radius: 4px; font-size: .9em; }
button { font: inherit; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── top bar ─────────────────────────────────────────────────────────────── */
.topbar {
  background: var(--ink); color: #fff; padding: 10px 14px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.logo { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.logo .brand { color: var(--brand); }
.topnav { display: flex; align-items: center; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.navlink {
  background: none; border: 0; color: #cfd6df; cursor: pointer;
  padding: 8px 10px; border-radius: 8px; font-size: .92rem;
}
.navlink:hover { color: #fff; background: rgba(255,255,255,.08); }
.navlink[aria-current="page"] { color: #fff; }
.cart-btn { position: relative; }
.cart-count {
  display: inline-block; min-width: 20px; text-align: center;
  background: var(--brand); color: #111; border-radius: 999px;
  font-size: .78rem; font-weight: 700; padding: 1px 6px; margin-left: 2px;
}
.who { color: #9aa6b2; font-size: .85rem; padding: 0 6px; }

/* ── layout ──────────────────────────────────────────────────────────────── */
main { max-width: 1120px; margin: 0 auto; padding: 18px 14px 56px; }
.view-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  justify-content: space-between; margin-bottom: 14px;
}
.view-head h1 { margin: 0; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; }
.toolbar input, .toolbar select {
  padding: 9px 11px; border: 1px solid #ccc; border-radius: 8px; font-size: .95rem;
}

/* ── forms ───────────────────────────────────────────────────────────────── */
label { display: block; font-size: .85rem; color: var(--muted); margin: 10px 0 4px; }
input, select {
  width: 100%; padding: 11px; border: 1px solid #ccc; border-radius: 8px; font-size: 1rem;
}
input:focus, select:focus, .navlink:focus-visible, .btn:focus-visible {
  outline: 3px solid rgba(255,153,0,.5); outline-offset: 1px;
}
.err { color: var(--err); font-size: .9rem; min-height: 1.2em; margin: 8px 0 0; }

/* ── buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block; padding: 10px 16px; border: 0; border-radius: 8px;
  background: #eef1f4; color: var(--ink); font-weight: 600; font-size: .92rem;
  cursor: pointer; text-decoration: none; text-align: center;
}
.btn.primary { background: var(--brand); color: #111; }
.btn.block { width: 100%; margin-top: 16px; }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn.small { padding: 6px 10px; font-size: .85rem; }

/* ── product grid: 1 → 2 → 3 → 4 columns ─────────────────────────────────── */
.grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 480px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 760px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .grid { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px; box-shadow: 0 1px 4px rgba(0,0,0,.05);
  display: flex; flex-direction: column; gap: 6px;
}
.card .cat { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.card .name { font-weight: 600; flex: 1; }
.card .sku { font-size: .75rem; color: var(--muted); }
.card .price { color: #b25f00; font-weight: 700; font-size: 1.1rem; }
.card .stock-out { color: var(--err); font-size: .8rem; }
.card .btn { margin-top: 6px; }

/* ── cart / orders ───────────────────────────────────────────────────────── */
.panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px;
}
.line {
  display: flex; align-items: center; gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.line:last-child { border-bottom: 0; }
.line .info { flex: 1; min-width: 160px; }
.line .info .cat { font-size: .72rem; color: var(--muted); text-transform: uppercase; }
.qty { display: flex; align-items: center; gap: 6px; }
.qty button {
  width: 30px; height: 30px; border: 1px solid #ccc; background: #fff;
  border-radius: 6px; cursor: pointer; font-size: 1.1rem; line-height: 1;
}
.qty .n { min-width: 24px; text-align: center; font-weight: 600; }
.line .line-total { font-weight: 700; min-width: 80px; text-align: right; }
.cart-summary {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; margin-top: 14px;
}
.cart-summary .total { font-size: 1.25rem; font-weight: 700; }
.cart-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.order {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 14px;
}
.order-head {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  align-items: baseline; margin-bottom: 8px;
}
.order-head .id { font-weight: 700; }
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .75rem;
  background: #eef1f4; color: var(--ink); text-transform: capitalize;
}
.order-items { list-style: none; margin: 0; padding: 0; font-size: .9rem; }
.order-items li { display: flex; justify-content: space-between; padding: 3px 0; gap: 10px; }
.order-total { text-align: right; font-weight: 700; margin-top: 8px; }

.confirm {
  background: #e9f7ee; border: 1px solid #b7e2c4; color: var(--ok);
  border-radius: var(--radius); padding: 18px; margin-bottom: 16px;
}
.confirm h2 { margin: 0 0 6px; }

.empty { color: var(--muted); padding: 24px 0; text-align: center; }

/* ── toast ───────────────────────────────────────────────────────────────── */
.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 11px 18px; border-radius: 999px;
  font-size: .9rem; box-shadow: 0 4px 16px rgba(0,0,0,.25); z-index: 50;
}