:root {
  --bg: #f4f4f5;
  --card: #fff;
  --text: #18181b;
  --muted: #71717a;
  --accent: #2563eb;
  --accent-etsy: #f56400;
  --border: #e4e4e7;
  --low: #fef2f2;
  --low-badge: #ef4444;
  --warn: #f97316;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* ── Topbar ── */
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.25rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 { margin: 0; font-size: 1.1rem; }
.topbar-actions { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
#search, #category-filter {
  padding: .4rem .55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .875rem;
}
button {
  padding: .4rem .7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  font-size: .875rem;
  cursor: pointer;
}
button#refresh-btn { background: var(--accent); color: #fff; border-color: var(--accent); }
button#export-csv-btn { background: #f4f4f5; }
.status { color: var(--muted); font-size: .8rem; white-space: nowrap; }

/* ── Row count + low-stock filter ── */
.subtoolbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem 1.25rem;
  font-size: .8rem;
  color: var(--muted);
  background: var(--bg);
}
.subtoolbar label { display: flex; align-items: center; gap: .3rem; cursor: pointer; }

/* ── Table ── */
.table-wrap { padding: .5rem 1rem; overflow: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 8px; overflow: hidden; }
th, td { padding: .5rem .6rem; border-bottom: 1px solid var(--border); text-align: left; font-size: .85rem; }
th { background: #fafafa; position: sticky; top: 56px; font-weight: 600; }
tr.low-stock td { background: var(--low); }
tr:hover td { background: #f0f4ff; }
tr.low-stock:hover td { background: #fde8e8; }

.qty-link { color: var(--accent); cursor: pointer; text-decoration: underline; }
.qty-link.qty-low { color: var(--low-badge); font-weight: 600; }

/* ── SKU cell with links ── */
.sku-cell { display: flex; align-items: center; gap: .35rem; }
.ext-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  text-decoration: none;
  flex-shrink: 0;
}
.ext-link:hover { opacity: .85; }
.ext-link.etsy-link { background: var(--accent-etsy); }

/* ── Edit dialog ── */
dialog {
  border: none;
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 380px;
  width: 90%;
  box-shadow: 0 8px 40px rgba(0,0,0,.12);
}
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog form { display: grid; gap: .85rem; }
dialog h2 { margin: 0; font-size: 1rem; }
dialog label { display: grid; gap: .25rem; font-size: .875rem; }
dialog input[type="number"] {
  padding: .4rem .55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  width: 100%;
}
dialog menu { display: flex; gap: .5rem; justify-content: flex-end; padding: 0; margin: 0; }
#qty-save { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background: #18181b;
  color: #fff;
  padding: .5rem 1.1rem;
  border-radius: 20px;
  font-size: .875rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 100;
}
#toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Changelog ── */
.changelog-bar {
  padding: .5rem 1.25rem;
  background: var(--card);
  border-top: 1px solid var(--border);
  margin-top: .5rem;
}
#changelog-toggle {
  background: none;
  border: none;
  color: var(--accent);
  font-size: .8rem;
  cursor: pointer;
  padding: 0;
}
#changelog-wrap {
  display: none;
  margin-top: .5rem;
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}
#changelog-wrap.open { display: block; }
.cl-row {
  display: grid;
  grid-template-columns: 10rem 6rem 5rem 1fr;
  gap: .5rem;
  padding: .35rem .6rem;
  font-size: .8rem;
  border-bottom: 1px solid var(--border);
}
.cl-row:last-child { border-bottom: none; }
.cl-ts { color: var(--muted); }
.cl-sku { font-weight: 600; }
.cl-qty { font-weight: 600; }
.cl-label { font-size: .75rem; background: #e4e4e7; border-radius: 4px; padding: 0 .3rem; height: fit-content; }
.changelog-empty { margin: .5rem; font-size: .8rem; color: var(--muted); }

/* ── Login page ── */
.login-page { min-height: 100vh; display: grid; place-items: center; }
.login-card { background: var(--card); padding: 2rem; border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.08); display: grid; gap: 1rem; min-width: 280px; }
.login-hint { margin: 0; font-size: .875rem; color: var(--muted); }
.login-url { margin: 0; font-size: .75rem; color: var(--accent); word-break: break-all; }
.error { color: #b91c1c; margin: 0; font-size: .875rem; }
.logout-link { font-size: .8rem; color: var(--muted); text-decoration: none; padding: .4rem .5rem; }
.logout-link:hover { color: var(--text); }
.loading-row td { text-align: center; color: var(--muted); padding: 2rem; font-style: italic; }
.load-error {
  margin: .75rem 1rem;
  padding: .75rem 1rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #b91c1c;
  font-size: .875rem;
}