@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@400;700&display=swap');
:root{--bg1:#16a34a;--bg2:#facc15;--card:#ffffff}
*{box-sizing:border-box;font-family: 'Kanit', sans-serif}
body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bg1),#06b6d4);padding:24px}
.card{width:100%;max-width:920px;background:var(--card);border-radius:14px;box-shadow:0 8px 30px rgba(2,6,23,0.25);overflow:hidden}
header{padding:20px 24px;background:linear-gradient(90deg,var(--bg1),#06b6d4);color:#fff;display:flex;gap:16px;align-items:center}
header h1{margin:0;font-size:20px}
.container{display:grid;grid-template-columns:1fr 360px;gap:18px;padding:22px}
@media(max-width:900px){.container{grid-template-columns:1fr;}.right{order:-1}}
.form-row{display:flex;gap:8px;margin-bottom:12px}
input[type=url]{flex:1;padding:12px 14px;border-radius:10px;border:1px solid #e6e6e6;font-size:15px}
button{padding:10px 14px;border-radius:10px;border:0;background:#111827;color:#fff;font-weight:600;cursor:pointer}
.examples{display:flex;gap:8px;flex-wrap:wrap}
.chip{background:#f3f4f6;padding:6px 10px;border-radius:999px;border:1px solid #e5e7eb;font-size:13px;cursor:pointer}
.right{padding:12px;border-left:1px solid #f3f4f6;display:flex;flex-direction:column;align-items:center;justify-content:center}
.qr-wrap{background:#fff;padding:14px;border-radius:10px}
canvas{display:block}
.actions{margin-top:14px;display:flex;gap:8px}
.muted{color:#6b7280;font-size:13px}
footer{padding:12px 18px;background:#fbfbfb;border-top:1px solid #f3f4f6;text-align:center;color:#374151;font-size:13px}