:root{--ink:#173c35;--muted:#687873;--cream:#f5f3ea;--line:#dce3df;--gold:#d5a945;--white:#fff;--shadow:0 16px 45px rgba(24,60,53,.09)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#f7f5ed 0,#eef4f1 100%);color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans Thai",Tahoma,sans-serif;min-height:100vh}.topbar{height:76px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:10px max(20px,calc((100vw - 1200px)/2));position:sticky;top:0;z-index:5;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:12px}.brand img{width:52px;height:52px;object-fit:contain}.brand strong,.brand span{display:block}.brand strong{font-size:1.12rem}.brand span{font-size:.8rem;color:var(--muted)}.privacy{font-size:.82rem;background:#e8f3ee;padding:8px 12px;border-radius:99px}main{max-width:1200px;margin:0 auto;padding:30px 20px 42px}.editor{display:grid;grid-template-columns:minmax(300px,420px) minmax(0,1fr);gap:22px;align-items:start}.panel{background:rgba(255,255,255,.94);border:1px solid rgba(220,227,223,.95);border-radius:20px;box-shadow:var(--shadow);padding:22px}.step{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}.step>span{display:grid;place-items:center;width:29px;height:29px;flex:0 0 auto;border-radius:50%;background:var(--ink);color:#fff;font-weight:700}.step h2{font-size:1.05rem;margin:1px 0 2px}.step p{font-size:.8rem;margin:0;color:var(--muted)}.upload{position:relative;overflow:hidden;border:1.5px dashed #91aaa2;background:#f5faf7;border-radius:14px;min-height:130px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;margin-bottom:24px;text-align:center;padding:12px}.upload:hover{border-color:var(--ink);background:#edf6f1}.upload input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:.001;cursor:pointer;z-index:2}.upload>*:not(input){pointer-events:none}.uploadIcon{font-size:1.6rem}.upload small{color:var(--muted);overflow-wrap:anywhere}.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.fields label{font-size:.82rem;font-weight:650}.fields .full{grid-column:1/-1}input,textarea,select{width:100%;margin-top:5px;border:1px solid #cfd9d4;border-radius:9px;padding:10px 11px;background:#fff;color:#173c35;font:inherit;font-weight:400;min-height:42px}textarea{resize:vertical}input:focus,textarea:focus,select:focus{outline:3px solid rgba(42,113,91,.15);border-color:#2a715b}button{width:100%;border:0;border-radius:11px;padding:12px 15px;font:inherit;font-weight:750;cursor:pointer}.secondary{background:#edf4f1;color:var(--ink);border:1px solid #d3dfda}.primary,.download{background:var(--ink);color:#fff;margin-top:14px;box-shadow:0 8px 20px rgba(23,60,53,.18)}.primary:disabled{opacity:.55;cursor:wait}.download{background:#c9972e;color:#162b26}.download:disabled{opacity:.45;cursor:not-allowed}.status{min-height:20px;font-size:.78rem;color:var(--muted);margin:7px 2px 8px}details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:11px 0;margin:4px 0}summary{font-weight:700;cursor:pointer}.options{margin-top:12px}.previewPanel{position:sticky;top:98px;min-height:600px}.previewHead{border-bottom:1px solid var(--line);margin-bottom:16px}.empty{height:430px;border-radius:14px;background:#eef2ef;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);gap:6px}.empty div{font-size:3rem;color:#96aaa3}.empty strong{color:var(--ink)}.canvasWrap{background:#d7dedb;background-image:linear-gradient(45deg,#c8d1cd 25%,transparent 25%),linear-gradient(-45deg,#c8d1cd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#c8d1cd 75%),linear-gradient(-45deg,transparent 75%,#c8d1cd 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;border-radius:14px;overflow:auto;max-height:68vh;display:flex;justify-content:center}canvas{display:block;max-width:100%;height:auto}footer{text-align:center;color:var(--muted);font-size:.78rem;padding:0 20px 28px}@media(max-width:800px){.topbar{height:68px;padding:8px 14px}.brand img{width:44px;height:44px}.privacy{display:none}main{padding:16px 12px 30px}.editor{grid-template-columns:1fr}.panel{padding:17px;border-radius:15px}.previewPanel{position:static;min-height:0}.empty{height:280px}.fields{gap:9px}.previewHead{margin-bottom:12px}}@media(max-width:430px){.fields{grid-template-columns:1fr}.fields .full{grid-column:auto}.brand strong{font-size:1rem}}