:root{--bg:#f4f6fa;--card:#fff;--text:#1c2430;--mute:#6b7685;--brand:#2f5597;--accent:#f4bd3f;--line:#e2e6ee;--chip:#eef1f6;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#11161d;--card:#1b222c;--text:#e8ecf2;--mute:#9aa6b6;--brand:#7aa2e6;--line:#2b3441;--chip:#262f3b;color-scheme:dark}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans Thai",system-ui,sans-serif}
header{background:#2f5597;color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5}
header h1{margin:0;font-size:22px}header h1 span{color:var(--accent)}header a{color:#fff}
button{font:inherit;cursor:pointer}.btn{background:var(--accent);color:#1c2430;border:0;border-radius:8px;padding:10px 16px;font-weight:600;display:inline-block;text-decoration:none;text-align:center}
.btn.ghost{background:var(--chip);color:var(--text)}.btn.red{background:#d64545;color:#fff}.btn.full{width:100%}
main{max-width:720px;margin:0 auto;padding:16px}
input,textarea,select{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--text)}
.card{background:var(--card);border-radius:16px;overflow:hidden;margin-bottom:18px;box-shadow:0 1px 6px rgba(0,0,0,.08)}
.card img.cover{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;background:var(--chip)}
.body{padding:14px 16px 16px}.price{color:var(--brand);font-size:22px;font-weight:700}.title{margin:6px 0;font-weight:600}.loc{color:var(--mute);font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.chips span{background:var(--chip);border-radius:6px;padding:5px 10px;font-size:14px}
.row{display:flex;gap:8px;margin-top:8px}.row>*{flex:1}.empty{text-align:center;color:var(--mute);padding:40px 0}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:none;align-items:flex-start;justify-content:center;overflow:auto;z-index:20;padding:16px}.modal.on{display:flex}
.sheet{background:var(--card);border-radius:16px;width:100%;max-width:560px;padding:18px;margin:auto}
.sheet label{display:block;font-size:14px;color:var(--mute);margin:10px 0 4px}.g2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.thumbs{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.thumbs div{position:relative}.thumbs img{width:72px;height:72px;object-fit:cover;border-radius:8px}
.thumbs b{position:absolute;top:-6px;right:-6px;background:#d64545;color:#fff;border-radius:50%;width:20px;height:20px;text-align:center;line-height:20px;font-size:13px;cursor:pointer}
.gallery{display:flex;gap:6px;overflow-x:auto;margin-bottom:10px}.gallery img{height:200px;border-radius:10px}.desc{white-space:pre-wrap;line-height:1.6}
.msg{font-size:14px;color:var(--mute);margin-top:10px;text-align:center}