:root{
  --bg:#0f1115; --card:#1a1d24; --line:#2a2e38; --ink:#e8eaed; --mut:#9aa0aa;
  --pri:#fe2c55; --pri2:#25f4ee; --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,"Noto Sans Thai",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.5}
a{color:var(--pri2);text-decoration:none}
.nav{display:flex;align-items:center;gap:18px;padding:14px 20px;background:var(--card);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;flex-wrap:wrap}
.nav .brand{font-weight:800;font-size:18px;color:#fff}
.nav .brand span{color:var(--pri)}
.nav a{color:var(--mut);font-weight:600;font-size:14px}
.nav a:hover{color:#fff}
.nav .right{margin-left:auto;display:flex;align-items:center;gap:14px}
.credit{background:#11151c;border:1px solid var(--line);padding:6px 12px;border-radius:8px;font-weight:700}
.credit b{color:var(--pri2)}
.wrap{max-width:960px;margin:0 auto;padding:24px 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:18px}
h1{font-size:22px;margin:0 0 16px} h2{font-size:17px;margin:0 0 14px}
label{display:block;font-size:13px;color:var(--mut);margin:10px 0 4px;font-weight:600}
input,select,textarea{width:100%;padding:10px 12px;background:#11151c;border:1px solid var(--line);
  border-radius:8px;color:var(--ink);font-size:14px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pri2)}
.btn{display:inline-block;background:var(--pri);color:#fff;border:none;padding:10px 18px;
  border-radius:8px;font-weight:700;font-size:14px;cursor:pointer}
.btn:hover{filter:brightness(1.1)}
.btn.sm{padding:6px 12px;font-size:12px}
.btn.ghost{background:#11151c;border:1px solid var(--line);color:var(--ink)}
.btn.ok{background:var(--ok)} .btn.bad{background:var(--bad)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.svc{background:#11151c;border:1px solid var(--line);border-radius:10px;padding:16px}
.svc h3{margin:0 0 6px;font-size:15px} .svc .rate{color:var(--pri2);font-weight:700}
.svc .meta{font-size:12px;color:var(--mut);margin:4px 0 10px}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:520px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
th{color:var(--mut);font-weight:600;font-size:12px}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700}
.s-pending{background:#3a2e0b;color:#fbbf24} .s-processing{background:#0b2a3a;color:#38bdf8}
.s-completed{background:#0b3a1e;color:#4ade80} .s-partial{background:#3a1e0b;color:#fb923c}
.s-canceled,.s-rejected{background:#3a0b0b;color:#f87171} .s-approved{background:#0b3a1e;color:#4ade80}
.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-weight:600;font-size:14px}
.flash.success{background:#0b3a1e;color:#4ade80;border:1px solid #16653a}
.flash.error{background:#3a0b0b;color:#f87171;border:1px solid #7f1d1d}
.muted{color:var(--mut);font-size:13px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.row>*{flex:1;min-width:120px}
.inline{display:inline} .right-actions{display:flex;gap:6px;flex-wrap:wrap}
.auth{max-width:380px;margin:60px auto}
.pp-box{background:#11151c;border:1px dashed var(--pri2);border-radius:10px;padding:16px;text-align:center}
.pp-box .id{font-size:22px;font-weight:800;color:var(--pri2);letter-spacing:1px}

/* ===== Tabs + Wallet (เติมเครดิต) ===== */
.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-bottom:18px;flex-wrap:wrap}
.tab{background:none;border:none;color:var(--mut);font-weight:700;font-size:14px;padding:10px 14px;
  cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.on{color:#fff;border-bottom-color:var(--pri)}
.wallet{background:#11151c;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px}
.wallet .w-label{font-weight:700;color:var(--pri2);font-size:13px;margin-bottom:6px}
.wallet .w-addr{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.wallet code{flex:1;min-width:200px;background:#0b0d11;border:1px solid var(--line);border-radius:6px;
  padding:8px 10px;font-size:12px;word-break:break-all;color:var(--ink)}

/* ===== language selector ===== */
.lang-sel{width:auto;padding:6px 8px;font-size:13px;font-weight:600;background:#11151c;cursor:pointer}

/* ===== user chip มุมขวาบน ===== */
.user-chip{display:flex;align-items:center;gap:8px;background:#11151c;border:1px solid var(--line);
  padding:6px 12px;border-radius:10px}
.user-chip .uc-name{font-weight:700;font-size:13px;color:#fff}
.user-chip .uc-bal{font-weight:800;color:var(--pri2);font-size:14px}
.user-chip .uc-sep{color:var(--line)}

/* ===== Landing (หน้าร้านสำหรับ guest) ===== */
.btn.lg{padding:14px 28px;font-size:16px;border-radius:10px}
.hero{text-align:center;padding:64px 20px 48px;max-width:820px;margin:0 auto}
.hero h1{font-size:42px;line-height:1.15;margin:0 0 16px;font-weight:800}
.hero h1 span{background:linear-gradient(90deg,var(--pri),var(--pri2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{font-size:17px;color:var(--mut);margin:0 auto 28px;max-width:620px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.trust{margin-top:28px;color:var(--mut);font-size:13px}
.features{max-width:960px;margin:20px auto;padding:0 20px;display:grid;
  grid-template-columns:repeat(3,1fr);gap:16px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;text-align:center}
.feat .fi{font-size:34px;margin-bottom:8px}
.feat h3{margin:0 0 6px;font-size:17px}
.feat p{margin:0;color:var(--mut);font-size:14px}
.showcase{max-width:960px;margin:48px auto;padding:0 20px}
.showcase h2{text-align:center;font-size:26px;margin-bottom:24px}
.showcase-card{position:relative;display:flex;flex-direction:column}
.showcase-card .cat-tag{align-self:flex-start;background:#11151c;border:1px solid var(--line);
  color:var(--pri2);font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px;margin-bottom:8px}
.showcase-card .rate{font-size:20px;margin:4px 0 8px}
.showcase-card .btn{margin-top:auto}
.cta-bottom{text-align:center;padding:56px 20px 72px}
.cta-bottom h2{font-size:24px;margin-bottom:20px}

/* ===== หลังบ้าน (admin shell) ===== */
.admin-body{background:#0b0d11}
.admin-shell{display:flex;min-height:100vh}
.sidebar{width:230px;flex-shrink:0;background:#13161d;border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:18px 14px;position:sticky;top:0;height:100vh}
.sb-brand{font-weight:800;font-size:17px;color:#fff;padding:6px 10px 16px}
.sb-brand span{color:var(--pri)}
.sb-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.sb-nav a{color:var(--mut);font-weight:600;font-size:14px;padding:10px 12px;border-radius:8px}
.sb-nav a:hover{background:#1a1d24;color:#fff}
.sb-nav a.on{background:var(--pri);color:#fff}
.sb-foot{border-top:1px solid var(--line);padding-top:14px}
.sb-store{display:block;color:var(--pri2);font-weight:600;font-size:13px;padding:8px 12px}
.admin-main{flex:1;padding:24px 28px;max-width:1100px;min-width:0}

/* ===== Responsive: phone ===== */
@media (max-width:768px){
  .wrap{padding:16px 14px}
  .admin-main{padding:16px 14px}
  .admin-shell{flex-direction:column}
  .sidebar{width:auto;height:auto;position:sticky;top:0;flex-direction:row;align-items:center;
    flex-wrap:wrap;gap:8px;padding:10px 12px;z-index:20}
  .sb-brand{padding:0 8px 0 0;font-size:15px}
  .sb-nav{flex-direction:row;flex-wrap:wrap;gap:6px;flex:1 1 100%}
  .sb-nav a{padding:8px 10px;font-size:13px}
  .sb-foot{border-top:none;padding-top:0;display:flex;align-items:center;gap:10px;flex:1 1 100%}
  .sb-foot .muted{margin:0 !important}
  .sb-foot form{flex:0 0 auto}
  .sb-store{padding:6px 8px}
  .nav{gap:10px;padding:12px 14px}
  .nav .right{gap:8px;width:100%;margin-left:0;justify-content:space-between;flex-wrap:wrap}
  .grid{grid-template-columns:1fr}
  .hero{padding:40px 18px 32px}
  .hero h1{font-size:30px}
  .hero .sub{font-size:15px}
  .features{grid-template-columns:1fr;gap:12px}
  .row{flex-direction:column}
  .row>*{width:100%}
  h1{font-size:19px}
}