/* SSB APP CSS (SCOPED) — ไม่แตะ Blogger นอก #ssbApp */
#ssbApp{
  --bg:#f6fbff;
  --card:#ffffff;
  --ink:#0b1b2b;
  --muted:#5c6b7a;
  --primary:#2a7de1;
  --primary2:#0f5fc4;
  --border:#d9e7f7;
  --shadow:0 8px 24px rgba(11,27,43,.08);
  --radius:18px;

  font-family: system-ui,-apple-system,"Segoe UI",Roboto,Arial,"Noto Sans Thai",sans-serif;
  color:var(--ink);
  font-size:16px;
  line-height:1.45;
}

#ssbApp *{ box-sizing:border-box; }

#ssbApp .ssb-shell{
  max-width:980px;
  margin:0 auto;
  padding:12px 12px 110px;
}

#ssbApp .ssb-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:14px;
  margin:12px 0;
}

#ssbApp .ssb-top{
  display:flex; gap:10px; align-items:center; justify-content:space-between; flex-wrap:wrap;
}
#ssbApp .ssb-brand{ display:flex; gap:10px; align-items:center; }
#ssbApp .ssb-logo{
  width:44px; height:44px; border-radius:14px;
  background:linear-gradient(135deg,#e6f2ff,#b9dcff);
  border:1px solid var(--border);
  display:grid; place-items:center;
  font-weight:900; color:var(--primary2);
}
#ssbApp h1{ font-size:18px; margin:0; }
#ssbApp .ssb-sub{ margin:2px 0 0; color:var(--muted); font-size:14px; }

#ssbApp .ssb-actions{ display:flex; gap:10px; flex-wrap:wrap; }
#ssbApp .btn{
  border:1px solid var(--border);
  background:#fff;
  color:var(--ink);
  padding:12px 14px;
  border-radius:14px;
  min-height:44px;
  cursor:pointer;
  font-weight:900;
}
#ssbApp .btn.primary{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}
#ssbApp .btn.primary:disabled{ opacity:.45; cursor:not-allowed; }

#ssbApp .ssb-steps{ display:flex; gap:8px; flex-wrap:wrap; margin-top:10px; }
#ssbApp .pill{
  font-size:13px; padding:7px 10px; border-radius:999px;
  border:1px solid var(--border); background:#fff; color:var(--muted);
}
#ssbApp .pill.active{ border-color:var(--primary); color:var(--primary2); font-weight:900; }

#ssbApp .grid-3{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; }
#ssbApp .grid-2{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
@media (max-width:860px){
  #ssbApp .grid-3{ grid-template-columns:1fr; }
  #ssbApp .grid-2{ grid-template-columns:1fr; }
}

#ssbApp .ph{
  height:120px;
  border-radius:16px;
  background:linear-gradient(135deg,#ffffff,#d7ecff);
  border:1px dashed #b8d8ff;
  display:flex; align-items:center; justify-content:center;
  color:var(--primary2);
  font-weight:900;
}

#ssbApp .row{ display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
#ssbApp .title{ font-size:18px; margin:0; }
#ssbApp .hint{ margin:2px 0 0; color:var(--muted); font-size:14px; }
#ssbApp .price{ font-size:18px; font-weight:900; color:var(--primary2); }

#ssbApp .selectBtn{
  width:100%;
  min-height:48px;
  border-radius:16px;
  border:2px solid var(--border);
  background:#fff;
  font-weight:900;
  cursor:pointer;
}
#ssbApp .selectBtn.active{
  border-color:var(--primary);
  background:rgba(42,125,225,.08);
  color:var(--primary2);
}

#ssbApp label{ font-weight:900; }
#ssbApp input, #ssbApp textarea, #ssbApp select{
  width:100%;
  min-height:48px;
  border-radius:14px;
  border:1px solid var(--border);
  padding:10px 12px;
  font-size:16px;
  background:#fff;
}
#ssbApp textarea{ min-height:110px; resize:vertical; }

#ssbApp .chips{ display:flex; gap:10px; flex-wrap:wrap; }
#ssbApp .chip{
  border:1px solid var(--border);
  background:#fff;
  border-radius:999px;
  padding:10px 12px;
  min-height:44px;
  cursor:pointer;
  font-weight:900;
}
#ssbApp .chip.active{
  border-color:var(--primary);
  background:rgba(42,125,225,.08);
  color:var(--primary2);
}

#ssbApp .sticky{
  position:fixed; left:0; right:0; bottom:0;
  background:rgba(255,255,255,.92);
  border-top:1px solid var(--border);
  backdrop-filter: blur(8px);
  padding:10px 12px;
  z-index:9999;
}
#ssbApp .stickyInner{
  max-width:980px; margin:0 auto;
  display:flex; gap:10px; align-items:center; justify-content:space-between; flex-wrap:wrap;
}
#ssbApp .sum strong{ font-size:15px; }
#ssbApp .sum span{ font-size:13px; color:var(--muted); }

#ssbApp .toast{
  position:fixed;
  left:50%;
  transform:translateX(-50%);
  bottom:100px;
  background:#e6f2ff !important;  /* ฟ้าน้ำเงินอ่อน */
  color:#0b1b2b !important;   /* ตัวอักษรน้ำเงินเข้ม */
  padding:14px 20px;
  border-radius:14px !important;
  font-size:16px;
  box-shadow:0 6px 18px rgba(0,0,0,.15);
  display:none;
}
#ssbApp .summaryBox{
  border:1px dashed #b8d8ff;
  background:rgba(42,125,225,.06);
  border-radius:16px;
  padding:12px;
}
#ssbApp .sumline{ display:flex; justify-content:space-between; gap:10px; padding:6px 0; }
#ssbApp .sumline span{ color:var(--muted); }
#ssbApp .sumline strong{ font-weight:900; }
#ssbApp .total{ font-size:18px; color:var(--primary2); }

#ssbApp .preview{
  margin-top:10px;
  border:1px solid var(--border);
  border-radius:16px;
  padding:10px;
  background:#fff;
}
#ssbApp .preview img{ max-width:100%; height:auto; border-radius:12px; display:block; }

/* Print invoice only (Invoice จะถูกสร้างใน Step 4) */
@media print{
  .ssb-noPrint{ display:none !important; }
  #ssbInvoiceWrap{ display:block !important; }
}