:root {
  --bg: #f7f4ee;
  --card: #ffffff;
  --ink: #1f2a28;
  --muted: #66716e;
  --line: #e4ded2;
  --brand: #0f5f55;
  --brand-2: #127a6c;
  --brand-soft: #e3f0ec;
  --gold: #d9a441;
  --gold-ink: #3b2a06;
  --danger: #b4372f;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 30, 28, .06), 0 4px 16px rgba(20, 30, 28, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111715; --card: #1a2321; --ink: #e9efed; --muted: #9aa7a3; --line: #2c3835;
    --brand: #3fb39f; --brand-2: #56c7b3; --brand-soft: #1d3430; --gold: #e3b45a;
    --shadow: 0 1px 2px rgba(0,0,0,.3); color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 Sarabun, "Noto Sans Thai", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
a { color: var(--brand); }
img { max-width: 100%; display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }

/* 顶栏 */
.topbar { position: sticky; top: 0; z-index: 20; background: var(--brand); color: #fff; padding-top: env(safe-area-inset-top); }
@media (prefers-color-scheme: dark) { .topbar { background: #0c3e38; } }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 56px; }
.brand { display: flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; font-weight: 700; font-size: 18px; white-space: nowrap; }
.top-actions { display: flex; gap: 8px; align-items: center; }
#lang { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.3); border-radius: 8px; padding: 6px 4px; font: inherit; font-size: 14px; }
#lang option { color: #000; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; border-radius: 10px; padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; background: var(--brand); color: #fff; min-height: 44px; }
.btn:hover { filter: brightness(1.07); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-sm { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.btn-gold { background: var(--gold); color: var(--gold-ink); }
.btn-ghost { background: var(--brand-soft); color: var(--brand); }
.btn-line { background: #06c755; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }

/* 首页 */
.hero { margin: 20px 0 8px; padding: 24px 20px; border-radius: 20px; color: #fff;
  background: linear-gradient(135deg, #0f5f55 0%, #127a6c 60%, #1d8f7a 100%); }
.hero h1 { margin: 0 0 4px; font-size: clamp(22px, 5vw, 32px); line-height: 1.25; }
.hero p { margin: 0 0 16px; opacity: .9; }
.searchbox { display: flex; gap: 8px; flex-wrap: wrap; }
.searchbox input { flex: 1 1 220px; min-width: 0; border: 0; border-radius: 12px; padding: 12px 14px; font: inherit; font-size: 16px; color: #1f2a28; background: #fff; }
.hero .btn-ghost { background: rgba(255,255,255,.16); color: #fff; }
.hero-stats { margin-top: 12px; font-size: 14px; opacity: .85; }

.region { margin-top: 24px; }
.region h2 { font-size: 18px; margin: 0 0 10px; display: flex; align-items: baseline; gap: 8px; }
.region h2 small { color: var(--muted); font-weight: 400; font-size: 14px; }
.prov-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.prov { display: flex; justify-content: space-between; align-items: center; gap: 6px; padding: 10px 12px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--ink); min-height: 48px; }
.prov:hover { border-color: var(--brand); }
.prov .nm { line-height: 1.25; }
.prov .nm small { display: block; color: var(--muted); font-size: 12px; }
.prov .ct { flex: none; font-size: 13px; font-weight: 700; color: var(--brand); background: var(--brand-soft); border-radius: 999px; padding: 1px 9px; }
.prov .ct.zero { color: var(--muted); background: transparent; font-weight: 400; }
.region-tabs { display: flex; gap: 6px; overflow-x: auto; padding: 4px 0; margin-top: 16px; scrollbar-width: none; }
.region-tabs::-webkit-scrollbar { display: none; }
.chip { flex: none; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 14px; cursor: pointer; min-height: 36px; }
.chip.on { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 列表页 */
.pagehead { display: flex; align-items: center; gap: 10px; margin: 18px 0 8px; }
.pagehead h1 { margin: 0; font-size: 24px; line-height: 1.25; }
.pagehead .sub { color: var(--muted); font-size: 14px; }
.back { text-decoration: none; font-size: 22px; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; background: var(--card); border: 1px solid var(--line); flex: none; }
.filters { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.filters .row { display: flex; gap: 8px; }
.filters input { flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font: inherit; background: var(--card); color: var(--ink); }
.chips { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: thin; }
.count-line { color: var(--muted); font-size: 14px; margin: 4px 0 10px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; }
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column; border: 1px solid var(--line); }
.card:hover { border-color: var(--brand); }
.card .ph { aspect-ratio: 16/9; background: var(--brand-soft); object-fit: cover; width: 100%; }
.ph-empty { display: grid; place-items: center; color: var(--brand); font-size: 40px; aspect-ratio: 16/9; background: linear-gradient(135deg, var(--brand-soft), #f4e9d2); }
@media (prefers-color-scheme: dark) { .ph-empty { background: linear-gradient(135deg, #1d3430, #2b2617); } }
.card .bd { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.card h3 { margin: 0; font-size: 17px; line-height: 1.3; }
.meta { color: var(--muted); font-size: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.tag { font-size: 12px; background: var(--brand-soft); color: var(--brand); border-radius: 6px; padding: 1px 7px; }
.price { font-weight: 700; color: var(--ink); }
.price small { font-weight: 400; color: var(--muted); }
.dist { color: var(--brand); font-weight: 600; font-size: 14px; }

.empty { text-align: center; padding: 40px 16px; color: var(--muted); background: var(--card); border-radius: var(--radius); border: 1px dashed var(--line); }
.empty p { margin: 0 0 14px; }

/* 详情 */
.detail { display: grid; gap: 18px; grid-template-columns: 1fr; margin-bottom: 30px; }
@media (min-width: 860px) { .detail { grid-template-columns: 1.2fr 1fr; align-items: start; } }
.detail .photo { border-radius: var(--radius); overflow: hidden; background: var(--brand-soft); }
.detail .photo img { width: 100%; max-height: 460px; object-fit: cover; }
.panel { background: var(--card); border-radius: var(--radius); border: 1px solid var(--line); padding: 16px; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0 4px; }
.info { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin: 14px 0 0; font-size: 15px; }
.info dt { color: var(--muted); }
.info dd { margin: 0; white-space: pre-wrap; word-break: break-word; }
.desc { white-space: pre-wrap; margin: 0; }

/* 表单 */
.form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 16px; margin-bottom: 30px; display: grid; gap: 16px; }
@media (min-width: 760px) { .form { padding: 24px; grid-template-columns: 1fr 1fr; } .form .full { grid-column: 1 / -1; } }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .field .lb { font-weight: 600; font-size: 15px; }
.field .req { color: var(--danger); }
.field .hint { color: var(--muted); font-size: 13px; }
.field input, .field select, .field textarea { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font: inherit; font-size: 16px; background: var(--bg); color: var(--ink); width: 100%; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: transparent; }
.checks { display: flex; flex-wrap: wrap; gap: 6px; }
.checks label { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-weight: 400; font-size: 14px; cursor: pointer; background: var(--bg); }
.checks input { accent-color: var(--brand); width: 16px; height: 16px; margin: 0; }
.checks label:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); color: var(--brand); }
.locrow { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.photo-prev { max-width: 260px; border-radius: 10px; margin-top: 4px; }
.form-err { color: var(--danger); font-weight: 600; }
.success { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; margin: 20px 0 30px; }
.codebox { font: 700 26px/1.2 ui-monospace, Consolas, monospace; letter-spacing: 2px; background: #fff6dd; color: #3b2a06; padding: 12px 16px; border-radius: 10px; display: inline-block; margin: 6px 0; }

.foot { color: var(--muted); font-size: 14px; padding: 20px 16px 40px; display: flex; gap: 8px; flex-wrap: wrap; }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #1f2a28; color: #fff; padding: 10px 18px; border-radius: 10px; font-size: 15px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 50; max-width: calc(100% - 32px); }
#toast.show { opacity: 1; }
.loading { text-align: center; color: var(--muted); padding: 40px 0; }

/* 管理后台 */
.admin-row { display: grid; grid-template-columns: 110px 1fr; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; margin-bottom: 10px; }
.admin-row img, .admin-row .ph-empty { width: 110px; height: 80px; object-fit: cover; border-radius: 8px; aspect-ratio: auto; font-size: 26px; }
.admin-row .acts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
@media (max-width: 520px) { .admin-row { grid-template-columns: 1fr; } }