/* Trang loi chuc 20/11 - cong cu tao thiep (28/10/2026) */
.ct-tool{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}
.ct-l{display:flex;flex-direction:column;gap:4px;font-size:14px;font-weight:600;color:#3b4252;margin:10px 0 4px}
.ct-l textarea,.ct-l input,.ct-l select{font:inherit;font-weight:400;font-size:16px;padding:9px 10px;border:1px solid #cfc8bc;border-radius:10px;width:100%;background:#fff}
.ct-l textarea{resize:vertical;line-height:1.45}
.ct-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ct-fonts{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.ct-font{border:1px solid #e0d9cc;background:#fff;border-radius:10px;padding:8px 4px;font-size:20px;line-height:1.2;cursor:pointer;display:flex;flex-direction:column;align-items:center;color:#1f2433}
.ct-font small{font:11px/1.2 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#5f6677;margin-top:3px}
.ct-font.on,.ct-theme.on{border-color:#c62828;box-shadow:0 0 0 2px #f6c9c6;background:#fff8f7}
.ct-themes{display:flex;flex-wrap:wrap;gap:6px}
.ct-theme{border:1px solid #e0d9cc;background:#fff;border-radius:999px;padding:6px 12px;font-size:14px;cursor:pointer}
.ct-qr{margin:12px 0 4px;border:1px dashed #d8cfc0;border-radius:10px;padding:8px 10px}
.ct-qr summary{cursor:pointer;font-weight:600}
.ct-act{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.ct-prev{position:sticky;top:10px}
.ct-prev canvas{width:100%;height:auto;display:block;border-radius:12px;box-shadow:0 6px 24px rgba(60,40,20,.18);background:#fff}
.ct-wishes ol{padding-left:20px;margin:6px 0 12px}
.ct-wishes li{margin:8px 0}
.ct-use{border:1px solid #c62828;color:#c62828;background:#fff;border-radius:999px;padding:2px 10px;font-size:13px;cursor:pointer;margin-left:4px;white-space:nowrap}
.ct-use:hover{background:#c62828;color:#fff}
@media(max-width:760px){
  .ct-tool{grid-template-columns:1fr}
  .ct-prev{position:static;order:-1}
  .ct-fonts{grid-template-columns:repeat(2,1fr)}
}