/* 儒紘雜貨 — 倉庫手抄本 design pass */
/* Google Fonts: LXGW WenKai TC (titles 20px+) + Noto Sans TC (body) */

/* ─── Design tokens ─── */
:root {
  /* Palette */
  --bg:        #f5f0e8;   /* 暖米白，麻紙感 */
  --bg-deep:   #ede5d6;   /* 區塊交替 / 頁面底 */
  --card:      #fdfbf7;   /* 卡片白 */
  --ink:       #1e1a14;   /* 深棕黑，主文字 */
  --ink-soft:  #6b5f50;   /* 棕灰，次要文字 */
  --border:    #c4b49a;   /* 土黃灰，線條 */
  --accent:    #b5451b;   /* 燒赤陶橘紅，限小面積 */
  --accent-dk: #8c3313;   /* 按鈕 hover */
  --danger:    #b91c1c;

  /* Typography */
  --font-title: 'LXGW WenKai TC', 'Noto Serif TC', serif;
  --font-body:  'Noto Sans TC', sans-serif;

  /* Shape */
  --radius-btn:  6px;
  --radius-card: 12px;
  --radius-pill: 9999px;

  /* Shadow — two-layer, no single-layer grey */
  --shadow-card:
    rgba(30,26,20,0.03) 0 0 0 1px,
    rgba(30,26,20,0.08) 0 4px 12px;
  --shadow-hover:
    rgba(30,26,20,0.04) 0 0 0 1px,
    rgba(30,26,20,0.14) 0 6px 20px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg-deep);
  line-height: 1.7;
}
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }

/* ─── Layout ─── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }

/* ─── Header ─── */
.site-header {
  background: var(--bg);
  border-bottom: 1.5px solid var(--border);
  padding: .875rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-logo {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.site-nav a {
  margin-left: 1.25rem;
  color: var(--ink-soft);
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.site-nav a:hover { color: var(--accent); }

/* ─── Main ─── */
.site-main {
  background: var(--bg);
  padding: 2.5rem 0;
  min-height: 60vh;
}

/* ─── Footer ─── */
.site-footer {
  background: var(--bg-deep);
  border-top: 1.5px solid var(--border);
  padding: 2.5rem 0 2rem;
  margin-top: 4rem;
  color: var(--ink-soft);
  font-size: .9rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.footer-shop-name {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.footer-tagline {
  font-size: .85rem;
  color: var(--ink-soft);
}
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem 1.5rem;
  font-size: .88rem;
}
.footer-contact a {
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--border);
  padding-bottom: 1px;
}
.footer-contact a:hover { color: var(--accent); border-color: var(--accent); }
.footer-copy {
  font-size: .8rem;
  color: var(--ink-soft);
  opacity: .7;
}

/* ─── Section titles (貼紙式) ─── */
.section-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  padding-left: .75rem;
  border-left: 4px solid var(--accent);
  margin-bottom: 1.25rem;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .5rem 1.25rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-btn);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  transition: border-color .15s, background .15s;
}
.btn:hover { border-color: var(--accent); background: var(--bg); color: var(--ink); }

.btn-primary {
  background: var(--accent);
  color: #fff;          /* contrast vs #b5451b: ~5.5:1 on white bg */
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dk); border-color: var(--accent-dk); color: #fff; }

.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { opacity: .9; color: #fff; }

.btn-sm { padding: .3rem .75rem; font-size: .8rem; }
.btn-lg { padding: .75rem 2rem; font-size: 1rem; }
.btn-full { width: 100%; }

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}

/* ─── Hero ─── */
.hero {
  padding: 3.5rem 0 2.5rem;
  /* 不置中、不深色背景、不三欄 feature — 走左對齊 */
}
.hero-inner {
  max-width: 560px;
}
.hero h1 {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.35;
  margin-bottom: 1.25rem;
}
.hero .hero-cta { margin-top: .25rem; }

/* ─── Categories (首頁) ─── */
.categories-section { margin-top: 2.5rem; }
.category-list, .category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .75rem;
}
.category-tag {
  display: inline-block;
  padding: .35rem .9rem;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-pill);
  font-size: .85rem;
  color: var(--ink-soft);
  background: var(--card);
  text-decoration: none;
  transition: border-color .15s, color .15s;
}
.category-tag:hover,
.category-tag.active {
  border-style: solid;
  border-color: var(--accent);
  color: var(--accent);
  background: var(--card);
  text-decoration: none;
}
@media (prefers-reduced-motion: reduce) {
  .category-tag { transition: none; }
}

/* ─── Products section (首頁) ─── */
.products-section { margin-top: 2.5rem; }

/* ─── Product grid ─── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.25rem;
}
.product-card {
  background: var(--card);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow .2s, border-color .2s;
}
.product-card:hover {
  box-shadow: var(--shadow-hover);
  border-style: solid;
  border-color: var(--accent);
}
.product-card a {
  display: block;
  color: inherit;
  text-decoration: none;
}
/* 圖片四周留白，像照片貼在筆記本上 */
.product-img-wrap {
  padding: 8px;
  background: var(--card);
}
.product-cover {
  width: 100%;
  height: 192px;
  object-fit: cover;
  display: block;
  border-radius: 6px;
}
.product-cover.no-image {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  color: var(--ink-soft);
  font-size: .85rem;
  height: 192px;
  border-radius: 6px;
}
.product-info { padding: .75rem .875rem .875rem; }
.product-name {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .35rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.product-price {
  color: var(--accent);
  font-weight: 600;
  font-size: .95rem;
}

@media (prefers-reduced-motion: reduce) {
  .product-card { transition: none; }
}

/* ─── Badges ─── */
.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: var(--radius-pill);
  font-size: .75rem;
  font-weight: 600;
}
.badge-sold { background: var(--bg-deep); color: var(--ink-soft); }

/* ─── Pagination ─── */
.pagination {
  display: flex;
  gap: .5rem;
  justify-content: center;
  margin-top: 2rem;
}
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-btn);
  background: var(--card);
  font-size: .9rem;
  text-decoration: none;
  color: var(--ink-soft);
  transition: border-color .15s, color .15s;
}
.page-link:hover { border-color: var(--accent); color: var(--accent); }
.page-link.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
@media (prefers-reduced-motion: reduce) {
  .page-link { transition: none; }
}

/* ─── Products page header ─── */
.products-page { }
.products-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}
.products-header h1 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.search-form { display: flex; gap: .5rem; }
.search-form input {
  padding: .45rem .75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: .9rem;
  font-family: var(--font-body);
  background: var(--card);
  color: var(--ink);
}
.search-form input:focus {
  outline: none;
  border-color: var(--accent);
}
.result-count { color: var(--ink-soft); font-size: .88rem; margin: .75rem 0; }
.empty-msg { color: var(--ink-soft); padding: 2rem 0; }

/* ─── Product detail ─── */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 768px) { .product-detail { grid-template-columns: 1fr; } }

/* 圖片區 — 留白貼紙感 */
.product-images-wrap {
  background: var(--card);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 10px;
  box-shadow: var(--shadow-card);
}
.main-image {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
}
.thumbnail-list { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .75rem; }
.thumbnail {
  width: 68px;
  height: 68px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color .15s;
}
.thumbnail:hover { border-color: var(--accent); }
@media (prefers-reduced-motion: reduce) {
  .thumbnail { transition: none; }
}

.product-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  margin: .5rem 0;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.product-price-lg {
  font-size: 1.75rem;
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-body);
  margin: .5rem 0 1rem;
}
.sold-notice { color: var(--ink-soft); font-size: 1.1rem; padding: 1rem 0; }
.stock-info { color: var(--ink-soft); margin-bottom: .5rem; font-size: .9rem; }
.qty-row { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.qty-row input {
  width: 80px;
  padding: .4rem .5rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
}
.product-description { margin-top: 1.75rem; }
.product-description h2 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .625rem;
  padding-left: .625rem;
  border-left: 4px solid var(--accent);
}
.no-image-placeholder {
  height: 300px;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-card);
  color: var(--ink-soft);
}
.category-breadcrumb { color: var(--ink-soft); font-size: .88rem; display: block; margin-bottom: .5rem; }

/* ─── Cart ─── */
.cart-page h1 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.25rem;
}
.cart-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.cart-table th,
.cart-table td {
  padding: .75rem;
  border-bottom: 1px dashed var(--border);
  text-align: left;
  vertical-align: middle;
  font-size: .92rem;
}
.cart-table th { color: var(--ink-soft); font-weight: 500; }
.cart-product { display: flex; align-items: center; gap: .75rem; }
.inline-form { display: inline; }
.cart-table input[type=number] {
  width: 70px;
  padding: .3rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
}
.cart-summary {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}
.summary-table { border-collapse: collapse; }
.summary-table th,
.summary-table td { padding: .4rem 1rem; text-align: right; font-size: .92rem; }
.summary-table th { color: var(--ink-soft); font-weight: 500; }
.summary-table .total-row { font-weight: 700; font-size: 1.1rem; color: var(--ink); }

/* ─── Checkout ─── */
.checkout-page h1 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.5rem;
}
.checkout-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}
@media (max-width: 768px) { .checkout-layout { grid-template-columns: 1fr; } }
.checkout-form fieldset {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  background: var(--card);
}
.checkout-form legend {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  padding: 0 .5rem;
  color: var(--ink);
}
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: .9rem;
  margin-bottom: .3rem;
  font-weight: 500;
  color: var(--ink);
}
.form-group input[type=text],
.form-group input[type=tel],
.form-group input[type=email],
.form-group input[type=number],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .5rem .75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: .95rem;
  font-family: var(--font-body);
  background: var(--card);
  color: var(--ink);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea { border-color: var(--danger); }
.error-msg { color: var(--danger); font-size: .8rem; display: block; margin-top: .25rem; }
.error-banner {
  background: #fef2f2;
  border: 1.5px solid #fecaca;
  border-radius: var(--radius-btn);
  padding: .75rem 1rem;
  color: var(--danger);
  margin-bottom: 1rem;
}
.order-summary {
  background: var(--card);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}
.order-summary h2 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-left: .625rem;
  border-left: 4px solid var(--accent);
}

/* ─── Order complete / lookup ─── */
.success-banner {
  text-align: center;
  padding: 2rem;
  background: #f0fdf4;
  border-radius: var(--radius-card);
  margin-bottom: 1.5rem;
  border: 1.5px solid #86efac;
}
.success-banner h1 { color: #16a34a; font-family: var(--font-title); }
.order-no-display { font-size: 1.1rem; margin-top: .5rem; }
.order-detail-card {
  background: var(--card);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
}
.order-detail-card h2 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-left: .625rem;
  border-left: 4px solid var(--accent);
}
.detail-table { border-collapse: collapse; width: 100%; }
.detail-table th,
.detail-table td {
  padding: .5rem .75rem;
  border-bottom: 1px dashed var(--border);
  text-align: left;
  font-size: .92rem;
}
.detail-table th { width: 30%; color: var(--ink-soft); font-weight: 500; }
.next-actions { display: flex; gap: 1rem; justify-content: center; margin-top: 1.5rem; }
.lookup-form {
  max-width: 480px;
  background: var(--card);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
}
.lookup-form h1 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.25rem;
}
.order-result {
  background: var(--card);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

/* ─── Misc ─── */
.section-h2 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink-soft);
}