/* ============================================================================
   Bigtree Products — storefront styles
   Clean, modern grid/flexbox layout in the Elementor / Hello Theme idiom.
   ========================================================================== */
:root {
  --bg:        #f4f5f7;
  --surface:   #ffffff;
  --ink:       #1d2430;
  --ink-soft:  #5b6472;
  --line:      #e4e7ec;
  --brand:     #562b45;
  --brand-ink: #3d1e31;
  --accent:    #f4edf1;
  --radius:    12px;
  --shadow:    0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.1);
  --shadow-lg: 0 8px 24px rgba(16,24,40,.12);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.muted { color: var(--ink-soft); }
.center { text-align: center; }

/* ---------- Buttons ------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .4rem; font: inherit; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; border-radius: 8px;
  padding: .6rem 1rem; transition: background .15s, box-shadow .15s;
}
.btn-sm  { padding: .4rem .7rem; font-size: .85rem; }
.btn-lg  { padding: .8rem 1.4rem; font-size: 1.05rem; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-ink); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg); }

/* ---------- Auth pages ---------------------------------------------------- */
.auth-body { display: grid; place-items: center; min-height: 100vh; padding: 1.5rem; }
.auth-card {
  width: 100%; max-width: 400px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 2rem;
}
.auth-card h1 { margin: .25rem 0 .25rem; font-size: 1.5rem; }
.stack { display: grid; gap: 1rem; margin-top: 1.25rem; }
.stack label { display: grid; gap: .35rem; font-weight: 600; font-size: .9rem; }
.stack input {
  font: inherit; padding: .6rem .7rem; border: 1px solid var(--line);
  border-radius: 8px; background: #fff;
}
.stack input:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
.alert {
  background: #fdecec; color: #b42318; border: 1px solid #f5c2c0;
  padding: .6rem .8rem; border-radius: 8px; font-size: .9rem; margin-top: 1rem;
}

/* ---------- Brand / header ------------------------------------------------ */
.brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 800; color: var(--ink); }
.brand em { font-style: normal; font-weight: 500; color: var(--ink-soft); }
.brand-mark {
  display: grid; place-items: center; width: 30px; height: 30px;
  background: var(--brand); color: #fff; border-radius: 8px; font-weight: 800;
}
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface); border-bottom: 1px solid var(--line);
  padding: .9rem 1.5rem; position: sticky; top: 0; z-index: 10;
}
.header-right { display: flex; align-items: center; gap: 1rem; }
.user-email { font-size: .9rem; }

/* ---------- Two-column layout --------------------------------------------- */
.layout {
  display: grid; grid-template-columns: 280px 1fr; gap: 1.5rem;
  max-width: 1280px; margin: 1.5rem auto; padding: 0 1.5rem;
}
.sidebar {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem; align-self: start;
  position: sticky; top: 84px;
}
.filter-block { margin-bottom: 1rem; }
.search-input {
  width: 100%; font: inherit; padding: .6rem .7rem;
  border: 1px solid var(--line); border-radius: 8px;
}
.search-input:focus { outline: 2px solid var(--brand); outline-offset: 1px; }

/* ---------- Accordion facets ---------------------------------------------- */
.accordion { border-top: 1px solid var(--line); padding: .75rem 0; }
.accordion summary {
  cursor: pointer; font-weight: 700; font-size: .95rem; list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "＋"; color: var(--ink-soft); font-weight: 400; }
.accordion[open] summary::after { content: "－"; }
.facet-list { list-style: none; margin: .6rem 0 0; padding: 0; display: grid; gap: .1rem; max-height: 240px; overflow: auto; }
.facet {
  display: flex; align-items: center; gap: .55rem; padding: .3rem .25rem;
  border-radius: 6px; cursor: pointer; font-size: .9rem;
}
.facet:hover { background: var(--accent); }
.facet input { accent-color: var(--brand); }
.facet .count { margin-left: auto; color: var(--ink-soft); font-style: normal; font-size: .8rem; }
.filter-actions { display: grid; gap: .5rem; margin-top: 1.25rem; }

/* ---------- Archive toolbar ----------------------------------------------- */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: .75rem 1rem; margin-bottom: 1.25rem;
}
.result-count { margin: 0; color: var(--ink-soft); }
.result-count strong { color: var(--ink); }
.sort { display: flex; align-items: center; gap: .5rem; font-size: .9rem; color: var(--ink-soft); }
.sort select { font: inherit; padding: .45rem .6rem; border: 1px solid var(--line); border-radius: 8px; background: #fff; }

/* ---------- Product grid -------------------------------------------------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.25rem; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow .15s, transform .15s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card-media {
  position: relative; aspect-ratio: 4 / 3; background: var(--accent);
  display: grid; place-items: center;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.media-placeholder { color: var(--ink-soft); font-size: .85rem; }
.media-placeholder.large { padding: 4rem 0; }
.badge-stock {
  position: absolute; top: .6rem; left: .6rem; font-size: .72rem; font-weight: 700;
  padding: .2rem .5rem; border-radius: 999px; background: #fff; color: #b42318;
  border: 1px solid #f5c2c0;
}
.card-body { padding: .9rem 1rem 1rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.sku {
  font-size: .72rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase;
  color: var(--brand-ink); background: var(--accent); align-self: flex-start;
  padding: .15rem .5rem; border-radius: 6px;
}
.card-title { margin: 0; font-size: 1rem; line-height: 1.3; }
.card-title a { color: var(--ink); }
.tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.tag {
  font-size: .72rem; padding: .15rem .5rem; border-radius: 999px;
  background: #eef2f6; color: var(--ink-soft); border: 1px solid var(--line);
}
.card-footer { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding-top: .35rem; }
.price { font-weight: 800; }
.price.large { font-size: 1.6rem; }
.empty { grid-column: 1 / -1; text-align: center; color: var(--ink-soft); padding: 3rem 1rem; }

/* ---------- Pagination ---------------------------------------------------- */
.pagination { display: flex; align-items: center; justify-content: center; gap: 1rem; margin: 2rem 0 1rem; }
.page-link { padding: .5rem .9rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); font-weight: 600; }
.page-link:hover { background: var(--accent); text-decoration: none; }
.page-status { color: var(--ink-soft); font-size: .9rem; }

/* ---------- Product detail ------------------------------------------------ */
.detail { max-width: 1000px; margin: 1.5rem auto; padding: 0 1.5rem; }
.back-link { display: inline-block; margin-bottom: 1rem; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.detail-media { background: var(--accent); border-radius: var(--radius); display: grid; place-items: center; overflow: hidden; }
.detail-info { display: flex; flex-direction: column; gap: .75rem; }
.detail-info h1 { margin: .2rem 0; }
.stock.in { color: var(--brand-ink); font-weight: 600; }
.stock.out { color: #b42318; font-weight: 600; }
.short-desc { color: var(--ink-soft); }
.description { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; margin-top: 1.5rem; }
.center-block { text-align: center; padding: 4rem 1rem; }

/* ---------- Stock pill (replaces price/CTA on cards) ---------------------- */
.stock-pill {
  font-size: .75rem; font-weight: 700; padding: .2rem .6rem; border-radius: 999px;
  border: 1px solid transparent; white-space: nowrap;
}
.stock-pill.in  { background: var(--accent); color: var(--brand-ink); border-color: #e4d3de; }
.stock-pill.out { background: #fdecec; color: #b42318; border-color: #f5c2c0; }

/* ---------- Dashboard info panels ----------------------------------------- */
.info-panel {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem 1.5rem; margin-top: 1.25rem;
}
.info-panel h2 { margin: 0 0 1rem; font-size: 1.1rem; }
.table-scroll { overflow-x: auto; }

.kv-table, .data-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.kv-table th, .kv-table td, .data-table th, .data-table td {
  text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.kv-table th { width: 220px; color: var(--ink-soft); font-weight: 600; white-space: nowrap; }
.kv-table.meta th { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }
.data-table thead th { color: var(--ink-soft); font-weight: 700; background: var(--bg); }
.data-table tbody tr:hover { background: var(--accent); }

.tax-group { display: flex; align-items: baseline; gap: .75rem; padding: .5rem 0; border-bottom: 1px solid var(--line); }
.tax-group:last-child { border-bottom: 0; }
.tax-type {
  min-width: 140px; font-size: .78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .03em; color: var(--brand-ink);
}
.rich-text { line-height: 1.6; }
.rich-text img { border-radius: 8px; margin: .5rem 0; }
.rich-text ul, .rich-text ol { padding-left: 1.25rem; }

/* ---------- Loading state ------------------------------------------------- */
.product-grid.loading { opacity: .5; pointer-events: none; }

/* ---------- Responsive ---------------------------------------------------- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .detail-grid { grid-template-columns: 1fr; }
}