/* KasetKrub — green agriculture theme, no build step */
:root {
  --green-900: #14532d;
  --green-700: #15803d;
  --green-600: #16a34a;
  --green-50: #f0fdf4;
  --amber-500: #f59e0b;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f9fafb;
  --card: #ffffff;
  --danger: #dc2626;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, .08);
  font-size: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Noto Sans Thai', 'Sarabun', system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.ic { vertical-align: -4px; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* ===== Header ===== */
.topbar { background: var(--green-900); color: #d1fae5; font-size: .82rem; }
.topbar .container { display: flex; justify-content: space-between; padding-top: 6px; padding-bottom: 6px; gap: 12px; flex-wrap: wrap; }
header.site {
  background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
header.site .container { display: flex; align-items: center; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: var(--green-700); white-space: nowrap; }
.logo .mark { background: var(--green-700); color: #fff; border-radius: 10px; width: 38px; height: 38px; display: grid; place-items: center; }
.searchbox { flex: 1; display: flex; max-width: 520px; }
.searchbox input {
  flex: 1; border: 1.5px solid var(--line); border-right: 0; border-radius: 10px 0 0 10px;
  padding: 9px 14px; font: inherit; outline: none; min-width: 0;
}
.searchbox input:focus { border-color: var(--green-600); }
.searchbox button { border: 0; background: var(--green-600); color: #fff; border-radius: 0 10px 10px 0; padding: 0 16px; cursor: pointer; }
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-actions a { display: flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 10px; font-weight: 600; font-size: .92rem; }
.nav-actions a:hover { background: var(--green-50); color: var(--green-700); }
.cart-badge { position: relative; }
.cart-badge .count {
  position: absolute; top: -2px; right: 2px; background: var(--amber-500); color: #fff;
  font-size: .68rem; font-weight: 700; border-radius: 99px; min-width: 18px; height: 18px;
  display: grid; place-items: center; padding: 0 4px;
}
nav.cats { background: var(--green-700); }
nav.cats .container { display: flex; gap: 4px; overflow-x: auto; }
nav.cats a {
  color: #ecfdf5; padding: 10px 14px; font-size: .92rem; font-weight: 600;
  display: flex; align-items: center; gap: 7px; white-space: nowrap;
}
nav.cats a:hover, nav.cats a.active { background: rgba(255, 255, 255, .14); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(120deg, var(--green-900), var(--green-700));
  color: #fff; padding: 48px 0;
}
.hero h1 { margin: 0 0 10px; font-size: clamp(1.5rem, 4vw, 2.3rem); }
.hero p { margin: 0 0 22px; color: #d1fae5; max-width: 560px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; border: 0; cursor: pointer;
  background: var(--green-600); color: #fff; font: inherit; font-weight: 700;
  padding: 11px 20px; border-radius: 10px;
}
.btn:hover { background: var(--green-700); }
.btn.amber { background: var(--amber-500); }
.btn.ghost { background: transparent; border: 1.5px solid var(--line); color: var(--ink); }
.btn.ghost:hover { border-color: var(--green-600); color: var(--green-700); background: var(--green-50); }
.btn.sm { padding: 7px 12px; font-size: .88rem; }
.btn.danger { background: var(--danger); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.usp { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: -26px auto 0; position: relative; }
.usp .item {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 14px 16px; display: flex; gap: 12px; align-items: center; font-size: .9rem;
}
.usp .item .ic { color: var(--green-600); flex-shrink: 0; }
.usp .item b { display: block; }
.usp .item span { color: var(--muted); font-size: .82rem; }

/* ===== Sections / Cards ===== */
section.block { padding: 34px 0 8px; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.section-head h2 { margin: 0; font-size: 1.3rem; display: flex; align-items: center; gap: 9px; color: var(--green-900); }
.section-head a { color: var(--green-700); font-weight: 600; font-size: .9rem; }

.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.cat-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 14px; text-align: center; transition: .15s;
}
.cat-card:hover { border-color: var(--green-600); box-shadow: var(--shadow); transform: translateY(-2px); }
.cat-card .ic { color: var(--green-600); }
.cat-card b { display: block; margin-top: 8px; font-size: .95rem; }
.cat-card span { color: var(--muted); font-size: .8rem; }

.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.prod-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: .15s;
}
.prod-card:hover { border-color: var(--green-600); box-shadow: var(--shadow); }
.prod-thumb { aspect-ratio: 4/3; background: var(--green-50); display: grid; place-items: center; color: var(--green-600); position: relative; }
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute; top: 8px; left: 8px; background: var(--amber-500); color: #fff;
  font-size: .72rem; font-weight: 700; padding: 3px 9px; border-radius: 99px;
}
.prod-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.prod-body .name { font-weight: 600; font-size: .94rem; min-height: 2.6em; }
.prod-body .unit { color: var(--muted); font-size: .8rem; }
.prod-body .price { color: var(--green-700); font-weight: 800; font-size: 1.15rem; margin-top: auto; }
.prod-body .price small { color: var(--muted); font-weight: 400; }
.prod-card .btn { margin: 0 14px 14px; justify-content: center; }

/* ===== Product page / listing ===== */
.crumb { color: var(--muted); font-size: .85rem; padding: 16px 0 0; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.crumb a:hover { color: var(--green-700); }
.listing { display: grid; grid-template-columns: 220px 1fr; gap: 20px; padding: 20px 0 40px; }
.filters { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; align-self: start; }
.filters h3 { margin: 0 0 10px; font-size: .95rem; display: flex; gap: 8px; align-items: center; }
.filters a { display: block; padding: 7px 10px; border-radius: 8px; font-size: .9rem; color: var(--muted); }
.filters a:hover { background: var(--green-50); color: var(--green-700); }
.filters a.active { background: var(--green-50); color: var(--green-700); font-weight: 700; }
@media (max-width: 760px) { .listing { grid-template-columns: 1fr; } }

.pd { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding: 24px 0 40px; }
.pd .gallery { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); aspect-ratio: 1; display: grid; place-items: center; color: var(--green-600); overflow: hidden; }
.pd .gallery img { width: 100%; height: 100%; object-fit: cover; }
.pd h1 { margin: 0 0 6px; font-size: 1.5rem; }
.pd .price { font-size: 1.9rem; font-weight: 800; color: var(--green-700); margin: 14px 0; }
.pd .desc { color: var(--muted); white-space: pre-line; }
.qty { display: inline-flex; align-items: center; border: 1.5px solid var(--line); border-radius: 10px; overflow: hidden; }
.qty button { border: 0; background: #fff; width: 38px; height: 38px; cursor: pointer; display: grid; place-items: center; }
.qty button:hover { background: var(--green-50); color: var(--green-700); }
.qty input { width: 52px; border: 0; text-align: center; font: inherit; font-weight: 700; }
.stock-ok { color: var(--green-600); font-size: .88rem; font-weight: 600; }
.stock-out { color: var(--danger); font-size: .88rem; font-weight: 600; }
@media (max-width: 760px) { .pd { grid-template-columns: 1fr; } }

/* ===== Cart / Checkout ===== */
.page-title { font-size: 1.4rem; margin: 24px 0 16px; color: var(--green-900); display: flex; align-items: center; gap: 10px; }
.cart-layout { display: grid; grid-template-columns: 1fr 340px; gap: 20px; padding-bottom: 40px; align-items: start; }
@media (max-width: 860px) { .cart-layout { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.cart-row { display: grid; grid-template-columns: 64px 1fr auto auto auto; gap: 14px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.cart-row:last-child { border-bottom: 0; }
.cart-row .thumb { width: 64px; height: 64px; background: var(--green-50); border-radius: 8px; display: grid; place-items: center; color: var(--green-600); overflow: hidden; }
.cart-row .thumb img { width: 100%; height: 100%; object-fit: cover; }
.cart-row .del { background: none; border: 0; color: var(--muted); cursor: pointer; }
.cart-row .del:hover { color: var(--danger); }
@media (max-width: 560px) { .cart-row { grid-template-columns: 56px 1fr auto; } .cart-row .line-price { grid-column: 2; } }
.summary-line { display: flex; justify-content: space-between; padding: 6px 0; font-size: .95rem; }
.summary-line.total { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 12px; font-weight: 800; font-size: 1.1rem; color: var(--green-900); }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 5px; }
.field input, .field textarea, .field select {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 9px 12px;
  font: inherit; outline: none; background: #fff;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--green-600); }
.field .hint { color: var(--muted); font-size: .8rem; margin-top: 3px; }
.pay-option { display: flex; gap: 10px; align-items: flex-start; border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; cursor: pointer; }
.pay-option:has(input:checked) { border-color: var(--green-600); background: var(--green-50); }
.pay-option b { display: block; }
.pay-option span { color: var(--muted); font-size: .84rem; }
.empty { text-align: center; color: var(--muted); padding: 48px 0; }
.empty .ic { color: var(--line); }

/* ===== Status / misc ===== */
.alert { border-radius: 10px; padding: 12px 16px; margin: 14px 0; font-size: .92rem; }
.alert.ok { background: var(--green-50); color: var(--green-900); border: 1px solid #bbf7d0; }
.alert.err { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 12px; border-radius: 99px; font-size: .8rem; font-weight: 700; }
.status-pill.new { background: #fef3c7; color: #92400e; }
.status-pill.paid { background: #dbeafe; color: #1e40af; }
.status-pill.shipped { background: #d1fae5; color: #065f46; }
.status-pill.done { background: var(--green-50); color: var(--green-700); }
.status-pill.cancelled { background: #fee2e2; color: #991b1b; }

table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th { text-align: left; color: var(--muted); font-weight: 600; padding: 9px 10px; border-bottom: 2px solid var(--line); white-space: nowrap; }
table.data td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }

/* ===== Footer ===== */
footer.site { background: var(--green-900); color: #d1fae5; margin-top: 48px; padding: 36px 0 24px; font-size: .9rem; }
footer.site .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
footer.site h4 { color: #fff; margin: 0 0 10px; }
footer.site a { display: block; padding: 3px 0; color: #a7f3d0; }
footer.site a:hover { color: #fff; }
footer.site .copy { border-top: 1px solid rgba(255, 255, 255, .15); margin-top: 26px; padding-top: 16px; font-size: .8rem; color: #6ee7b7; }

@media (max-width: 700px) {
  header.site .container { flex-wrap: wrap; }
  .searchbox { order: 3; max-width: none; width: 100%; }
}