:root{--p:#1664f0;--p2:#0b4fd6;--bg:#f3f8ff;--card:#fff;--tx:#1f2937;--mu:#6b7280;--bd:#e5e7eb;--ok:#16a34a;--warn:#d97706;--err:#dc2626;--r:14px}
*{box-sizing:border-box}
body{margin:0;font-family:'Noto Sans Thai',system-ui,sans-serif;background:var(--bg);color:var(--tx);line-height:1.65}
a{color:var(--p);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
main.wrap{padding-top:24px;padding-bottom:48px;min-height:70vh}
.muted{color:var(--mu)}.right{text-align:right}.center{text-align:center}
h1{font-size:1.7rem;margin:.2em 0 .6em}h2{font-size:1.3rem;margin:1.4em 0 .6em}h3{margin:.2em 0}
/* header */
.top{background:#fff;border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;gap:16px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.05rem;letter-spacing:.04em;color:#0a3c9e}.logo b{font-weight:800}.logo img{border-radius:10px}.logo:hover{text-decoration:none}
.search{flex:1;display:flex;min-width:180px;max-width:460px}
.search input{flex:1;border:1px solid var(--bd);border-right:0;border-radius:10px 0 0 10px;padding:9px 12px;font:inherit}
.search button{border:0;background:var(--p);color:#fff;padding:0 16px;border-radius:0 10px 10px 0;font:inherit;cursor:pointer}
.links{display:flex;gap:14px;align-items:center;margin-left:auto;flex-wrap:wrap}
.links a{color:var(--tx);font-size:.95rem}
.pill{background:var(--p);color:#fff;border-radius:99px;padding:0 7px;font-size:.78rem}
/* ui */
.btn,button.btn{display:inline-block;background:var(--p);color:#fff!important;border:0;border-radius:10px;padding:10px 20px;font:inherit;font-weight:600;cursor:pointer;text-align:center}
.btn:hover{background:var(--p2);text-decoration:none}
.btn.sm{padding:6px 14px;font-size:.9rem}.btn.alt{background:#fff;color:var(--p)!important;border:1px solid var(--p)}
.btn.danger{background:var(--err)}.btn.ok{background:var(--ok)}.btn.block{display:block;width:100%}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:18px}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:14px;border:1px solid}
.alert.ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.alert.err{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert.warn{background:#fffbeb;border-color:#fde68a;color:#92400e}
label{display:block;font-weight:600;margin:12px 0 4px;font-size:.93rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],input[type=url],input[type=date],input[type=datetime-local],select,textarea{width:100%;border:1px solid var(--bd);border-radius:10px;padding:10px 12px;font:inherit;background:#fff}
textarea{min-height:110px}
input:focus,select:focus,textarea:focus{outline:2px solid #c7d2fe;border-color:var(--p)}
.form{max-width:440px;margin:30px auto}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.pcard{padding:0;overflow:hidden;color:var(--tx);transition:.15s}.pcard:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.08);text-decoration:none}
.pcard img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:#eef}
.pbody{padding:14px}.pbody h3{font-size:1rem;min-height:3.2em;overflow:hidden}
.price{font-weight:700;color:var(--p);font-size:1.1rem}
.hero{background:linear-gradient(135deg,#4da8ff,#0b4fd6);color:#fff;border-radius:20px;padding:44px 28px;margin-bottom:26px}
.hero h1{font-size:2rem;margin:0 0 8px}.hero p{margin:0 0 18px;opacity:.9}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.chip{background:#fff;border:1px solid var(--bd);border-radius:99px;padding:5px 14px;color:var(--tx);font-size:.9rem}.chip.on,.chip:hover{background:var(--p);color:#fff;text-decoration:none}
.two{display:grid;gap:26px;grid-template-columns:1fr 1fr}
.sidebar{display:grid;gap:22px;grid-template-columns:1fr 340px;align-items:start}
@media(max-width:820px){.two,.sidebar{grid-template-columns:1fr}.links{margin-left:0}}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden}
th,td{padding:10px 12px;border-bottom:1px solid var(--bd);text-align:left;vertical-align:middle;font-size:.93rem}
th{background:#f9fafb;font-size:.85rem;color:var(--mu)}
.tw{overflow-x:auto}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:.8rem;font-weight:600;background:#e5e7eb}
.badge.pending{background:#fef3c7;color:#92400e}.badge.awaiting_verify{background:#dbeafe;color:#1e40af}
.badge.paid{background:#d1fae5;color:#065f46}.badge.rejected,.badge.cancelled{background:#fee2e2;color:#991b1b}
.pager{display:flex;gap:6px;justify-content:center;margin:24px 0;flex-wrap:wrap}
.pager a,.pager span{padding:6px 12px;border:1px solid var(--bd);border-radius:8px;background:#fff;color:var(--tx)}.pager .cur{background:var(--p);color:#fff;border-color:var(--p)}
.desc{white-space:pre-line}
.pimg{width:100%;border-radius:var(--r);border:1px solid var(--bd);background:#fff}
.total{font-size:1.3rem;font-weight:700}
.sum{display:flex;justify-content:space-between;padding:6px 0}
.qr{display:flex;justify-content:center;padding:10px}.qr img,.qr canvas{border:1px solid var(--bd);border-radius:10px;padding:8px;background:#fff}
.foot{border-top:1px solid var(--bd);background:#fff;padding:22px 0;font-size:.9rem}
.slip{max-width:320px;border-radius:10px;border:1px solid var(--bd)}
/* chat widget */
#chat-root{position:fixed;right:18px;bottom:18px;z-index:100}
#chat-toggle{width:58px;height:58px;border-radius:50%;border:0;background:var(--p);color:#fff;font-size:26px;cursor:pointer;box-shadow:0 6px 20px rgba(22,100,240,.45);position:relative}
#chat-badge{position:absolute;top:-4px;right:-4px;background:var(--err);color:#fff;border-radius:99px;font-size:.72rem;padding:1px 6px}
#chat-box{position:absolute;right:0;bottom:70px;width:340px;max-width:calc(100vw - 36px);height:460px;max-height:calc(100vh - 110px);background:#fff;border:1px solid var(--bd);border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.18);display:flex;flex-direction:column;overflow:hidden}
#chat-box[hidden]{display:none}
.ch-head{background:var(--p);color:#fff;padding:12px 14px;display:flex;justify-content:space-between;align-items:center}
.ch-head button{background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
#chat-msgs{flex:1;overflow-y:auto;padding:12px;background:#f9fafb;display:flex;flex-direction:column;gap:8px}
.cm{max-width:82%;padding:8px 12px;border-radius:14px;font-size:.92rem;word-break:break-word;white-space:pre-wrap}
.cm small{display:block;opacity:.6;font-size:.7rem;margin-top:2px}
.cm.user{align-self:flex-end;background:var(--p);color:#fff;border-bottom-right-radius:4px}
.cm.admin{align-self:flex-start;background:#fff;border:1px solid var(--bd);border-bottom-left-radius:4px}
#chat-form{padding:10px;border-top:1px solid var(--bd);display:grid;gap:6px}
#chat-form .row{display:flex;gap:6px}#chat-form input{flex:1;border:1px solid var(--bd);border-radius:10px;padding:9px 11px;font:inherit}
#chat-form button{border:0;background:var(--p);color:#fff;border-radius:10px;padding:0 16px;cursor:pointer;font:inherit}
/* admin */
.adm{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.adm aside{background:#111827;color:#d1d5db;padding:18px 12px;position:sticky;top:0;height:100vh;overflow-y:auto}
.adm aside .brand{color:#fff;font-weight:700;padding:6px 12px 16px;font-size:1.05rem}
.adm aside a{display:flex;justify-content:space-between;align-items:center;color:#d1d5db;padding:9px 12px;border-radius:8px;font-size:.93rem}
.adm aside a:hover,.adm aside a.on{background:#1f2937;color:#fff;text-decoration:none}
.adm .bdg{background:var(--err);color:#fff;border-radius:99px;font-size:.72rem;padding:0 7px;min-width:20px;text-align:center}.adm .bdg:empty{display:none}
.adm section{padding:22px 26px;min-width:0}
.stats{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));margin-bottom:22px}
.stat b{display:block;font-size:1.5rem}.stat span{color:var(--mu);font-size:.85rem}
.bars{display:flex;gap:10px;align-items:flex-end;height:130px}.bars div{flex:1;text-align:center;font-size:.72rem;color:var(--mu)}.bars i{display:block;background:var(--p);border-radius:6px 6px 0 0;min-height:2px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}.toolbar input,.toolbar select{width:auto}
.inline{display:inline}
#toasts{position:fixed;top:16px;right:16px;z-index:999;display:grid;gap:8px}
.toast{background:#111827;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.3);max-width:320px;animation:in .25s}
.toast a{color:#a5b4fc}@keyframes in{from{transform:translateX(30px);opacity:0}}
.chatwrap{display:grid;grid-template-columns:300px 1fr;gap:14px;height:calc(100vh - 110px)}
.tl{overflow-y:auto;background:#fff;border:1px solid var(--bd);border-radius:var(--r)}
.tl div.t{padding:10px 14px;border-bottom:1px solid var(--bd);cursor:pointer}.tl div.t.on{background:#e8f1ff}.tl div.t:hover{background:#f1f7ff}
.tl .u{float:right;background:var(--err);color:#fff;border-radius:99px;font-size:.72rem;padding:0 7px}
.conv{display:flex;flex-direction:column;background:#fff;border:1px solid var(--bd);border-radius:var(--r);min-height:0}
.conv .msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px;background:#f9fafb}
.conv .cm.admin{align-self:flex-end;background:var(--p);color:#fff;border:0}.conv .cm.user{align-self:flex-start;background:#fff;color:var(--tx);border:1px solid var(--bd)}
.conv form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--bd)}.conv form input{flex:1}
@media(max-width:820px){.adm{grid-template-columns:1fr}.adm aside{position:static;height:auto}.chatwrap{grid-template-columns:1fr;height:auto}}

.pcard{position:relative}.soldout img{filter:grayscale(.85);opacity:.6}.ribbon{position:absolute;top:10px;left:10px;background:#d63638;color:#fff;font-weight:700;font-size:.8rem;padding:3px 10px;border-radius:999px;z-index:2}
.pagebody{background:#fff;border:1px solid var(--bd,#dbe4f0);border-radius:12px;padding:18px;line-height:1.8}.pagebody img{max-width:100%;height:auto}
.gal{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.gal img{width:72px;height:72px;object-fit:cover;border-radius:8px;border:1px solid #dbe4f0}