:root{
  --green:#23a455; --green-d:#178141; --blue:#1a3fa0; --blue-d:#13317d;
  --ink:#1f2733; --muted:#6b7280; --line:#e5e7eb; --bg:#f4f6f8; --card:#fff;
  --radius:14px; --shadow:0 2px 10px rgba(20,40,80,.07);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Sarabun',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.55;font-size:15px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:24px 18px 60px}
.wide{max-width:1320px}

/* top bar */
.topbar{background:linear-gradient(90deg,var(--green),var(--green-d));color:#fff;
  padding:14px 22px;display:flex;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow)}
.topbar .brand{font-weight:700;font-size:18px;display:flex;align-items:center;gap:10px}
.topbar .brand .dot{width:11px;height:11px;border-radius:50%;background:#ffd23f;box-shadow:0 0 0 4px rgba(255,255,255,.25)}
.topbar a{color:#fff;opacity:.92}
.topbar .nav a{margin-left:18px}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin-bottom:20px}
.card h2{margin:0 0 4px;font-size:19px}
.card .sub{color:var(--muted);margin:0 0 18px;font-size:14px}

/* form */
label{display:block;font-weight:600;margin:14px 0 6px;font-size:14px}
.hint{color:var(--muted);font-weight:400;font-size:12.5px}
input[type=text],input[type=password],input[type=date],input[type=number],select,textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:15px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(35,164,85,.15)}
input[type=file]{width:100%;padding:10px;border:1px dashed #cbd5e1;border-radius:10px;background:#fafbfc}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:7px;cursor:pointer;border:none;
  padding:11px 18px;border-radius:10px;font-family:inherit;font-size:15px;font-weight:600;
  background:var(--green);color:#fff;transition:.15s}
.btn:hover{background:var(--green-d);text-decoration:none}
.btn.blue{background:var(--blue)} .btn.blue:hover{background:var(--blue-d)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:#f8fafc}
.btn.danger{background:#dc2626}.btn.danger:hover{background:#b91c1c}
.btn.sm{padding:7px 12px;font-size:13.5px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

/* table */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{background:#f9fafb;color:var(--muted);font-weight:600;font-size:13px}
tr:hover td{background:#fafcff}

/* misc */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:18px;font-size:14px}
.flash.ok{background:#e7f7ee;color:#13703b;border:1px solid #b8e6cb}
.flash.err{background:#fdecec;color:#a31919;border:1px solid #f3c4c4}
.badge{display:inline-block;background:#eef2ff;color:var(--blue);padding:3px 9px;border-radius:20px;font-size:12px;font-weight:600}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.muted{color:var(--muted)}
.center{text-align:center}
.empty{text-align:center;color:var(--muted);padding:40px 10px}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e9f7ef,#eef3ff)}
.login-card{background:#fff;width:380px;max-width:92vw;padding:32px;border-radius:18px;box-shadow:0 10px 40px rgba(20,40,80,.12)}
.login-card h1{font-size:22px;margin:0 0 4px;text-align:center}
.login-card .logo{width:54px;height:54px;border-radius:14px;margin:0 auto 14px;
  background:linear-gradient(135deg,var(--green),var(--blue));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:24px}

/* ===== Editor ===== */
.editor-layout{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
.canvas-wrap{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;box-shadow:var(--shadow);user-select:none;line-height:0}
.canvas-wrap img.bg{width:100%;display:block}
.handle{position:absolute;transform:translate(-50%,-50%);cursor:grab;z-index:5;
  display:flex;flex-direction:column;align-items:center;gap:2px}
.handle .pill{background:rgba(26,63,160,.92);color:#fff;font-size:11px;padding:2px 8px;
  border-radius:20px;white-space:nowrap;font-weight:600;box-shadow:0 1px 4px rgba(0,0,0,.3)}
.handle .cross{width:14px;height:14px;border:2px solid rgba(26,63,160,.95);border-radius:50%;
  background:rgba(255,255,255,.5)}
.handle.dragging{cursor:grabbing}
.handle[data-show="0"]{opacity:.32}
.panel .el-block{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:12px}
.panel .el-block h4{margin:0 0 8px;font-size:14px;display:flex;justify-content:space-between;align-items:center}
.panel .row{display:flex;gap:8px;align-items:center;margin:6px 0}
.panel .row label{margin:0;flex:0 0 64px;font-weight:500;font-size:13px}
.panel input[type=color]{width:42px;height:34px;padding:2px;border-radius:8px;cursor:pointer}
.panel input[type=range]{flex:1}
.panel .sizeval{width:42px;text-align:right;font-variant-numeric:tabular-nums;font-size:13px}
.switch{position:relative;display:inline-block;width:40px;height:22px}
.switch input{display:none}
.switch .sl{position:absolute;inset:0;background:#cbd5e1;border-radius:20px;transition:.2s}
.switch .sl:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + .sl{background:var(--green)}
.switch input:checked + .sl:before{transform:translateX(18px)}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.qrbox{text-align:center;padding:10px}
.qrbox canvas,.qrbox img{border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
.linkbox{display:flex;gap:8px;margin-top:10px}
.linkbox input{font-size:13px}
@media(max-width:900px){.editor-layout{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}}

/* ---------- หน้าสาธารณะ (verify) ---------- */
.public-body{background:linear-gradient(160deg,#eef6f0,#eaf0fb);min-height:100vh}
.public-wrap{max-width:760px;margin:0 auto;padding:32px 18px 50px}
.pub-card{box-shadow:0 8px 30px rgba(20,40,80,.10)}
.pub-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.pub-head .dot{width:14px;height:14px;border-radius:50%;
  background:linear-gradient(135deg,var(--green),var(--blue));flex:0 0 auto}
.pub-head h2{margin:0}
.pub-form{margin:18px 0 4px}
.cert-result{margin-top:22px;border-top:1px dashed var(--line);padding-top:20px}
.ok-name{text-align:center;font-size:17px;color:var(--green-d);margin:0 0 14px}
.cert-frame{border:1px solid var(--line);border-radius:12px;overflow:hidden;
  box-shadow:var(--shadow);margin-bottom:16px;background:#fff}
.cert-frame img{display:block;width:100%;height:auto}
.pub-foot{text-align:center;color:var(--muted);font-size:13px;margin-top:22px}

/* ---------- โซนอันตราย ---------- */
.danger-zone{border:1px solid #f3c4c4;background:#fffafa}
.danger-zone h3{color:#a31919;margin-top:0}