:root{--navy:#0b2a5b;--blue:#1e5aa8;--gold:#c9a24b;--bg:#f3f6fb;--card:#fff;--ink:#16233b;--mut:#64748b;--line:#dbe3ef;--ok:#16a34a;--warn:#d97706;--bad:#dc2626;--r:16px;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0c1424;--card:#142038;--ink:#e6ecf7;--mut:#94a3b8;--line:#243553}}
:root[data-theme="dark"]{--bg:#0c1424;--card:#142038;--ink:#e6ecf7;--mut:#94a3b8;--line:#243553}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Sarabun,'Noto Sans Thai',system-ui,sans-serif;line-height:1.55}
h1,h2,h3,.pr{font-family:Prompt,Sarabun,sans-serif}
header.top{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;padding:22px 16px 70px;position:relative;overflow:hidden}
header.top:after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:rgba(201,162,75,.18)}
.wrap{max-width:880px;margin:0 auto;position:relative;z-index:1}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:48px;height:48px;border-radius:12px;background:#fff;color:var(--navy);display:grid;place-items:center;font-weight:700;font-family:Prompt;flex:none;border:2px solid var(--gold)}
.brand small{opacity:.85;display:block;font-size:13px}
.brand strong{font-family:Prompt;font-size:15px;font-weight:500}
header h1{margin:18px 0 4px;font-size:clamp(20px,4.5vw,30px);font-weight:600}
header p{margin:0;opacity:.9;font-size:14px}
main{max-width:880px;margin:-48px auto 0;padding:0 14px 30px;position:relative;z-index:2}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 10px 30px rgba(11,42,91,.10);padding:18px}
.steps{display:flex;gap:6px;margin-bottom:18px;overflow-x:auto;padding-bottom:4px}
.st{flex:1;min-width:84px;text-align:center;font-size:12px;color:var(--mut)}
.st i{display:grid;place-items:center;width:32px;height:32px;margin:0 auto 4px;border-radius:50%;background:var(--bg);border:2px solid var(--line);font-style:normal;font-weight:600;font-family:Prompt}
.st.on{color:var(--navy)}.st.on i{background:var(--blue);border-color:var(--blue);color:#fff}
.st.done i{background:var(--gold);border-color:var(--gold);color:#1a1200}
@media(prefers-color-scheme:dark){.st.on{color:#fff}}
.bar{height:6px;border-radius:9px;background:var(--line);margin-bottom:18px;overflow:hidden}.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--gold));transition:.3s}
h2{font-size:18px;margin:0 0 12px;color:var(--navy)}
@media(prefers-color-scheme:dark){h2{color:#fff}}
.g{display:grid;gap:12px;grid-template-columns:repeat(2,1fr)}
.g .f3{grid-column:span 2}
@media(max-width:600px){.g{grid-template-columns:1fr}.g .f3{grid-column:auto}}
label{font-size:13px;font-weight:500;display:block;margin-bottom:4px}
label em{color:var(--bad);font-style:normal}
input,select,textarea{width:100%;font:inherit;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,90,168,.18)}
textarea{min-height:96px;resize:vertical}
.hint{font-size:12px;color:var(--mut);margin-top:3px}
.drop{border:2px dashed var(--line);border-radius:12px;padding:16px;text-align:center;color:var(--mut);font-size:14px;background:var(--bg)}
.drop b{color:var(--blue)}
.nav{display:flex;justify-content:space-between;gap:10px;margin-top:20px}
.btn{border:0;border-radius:12px;padding:11px 20px;font:600 15px Prompt,sans-serif;cursor:pointer}
.p{background:linear-gradient(120deg,var(--blue),var(--navy));color:#fff}.s{background:var(--bg);color:var(--ink);border:1px solid var(--line)}.gd{background:var(--gold);color:#1a1200}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin:10px 0}.chk input{width:auto;margin-top:4px}
.box{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px;font-size:14px}
.sum{display:grid;grid-template-columns:130px 1fr;gap:4px 10px;font-size:14px}.sum dt{color:var(--mut)}.sum dd{margin:0}
.sig{height:90px;border:1.5px dashed var(--line);border-radius:10px;display:grid;place-items:center;color:var(--mut);font-size:13px;background:var(--card)}
footer{max-width:880px;margin:0 auto;padding:6px 16px 30px;text-align:center;font-size:12.5px;color:var(--mut)}
footer b{color:var(--ink)}
.scr{display:none}.scr.on{display:block}
.ok{text-align:center;padding:10px 0}.tick{width:72px;height:72px;border-radius:50%;background:rgba(22,163,74,.12);color:var(--ok);display:grid;place-items:center;margin:0 auto 10px;font-size:38px}
.no{display:inline-block;background:var(--navy);color:#fff;padding:8px 18px;border-radius:999px;font:600 20px Prompt;letter-spacing:1px;margin:6px 0}
.kp{display:grid;gap:10px;grid-template-columns:repeat(4,1fr);margin-bottom:14px}
@media(max-width:700px){.kp{grid-template-columns:repeat(2,1fr)}}
.k{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px}.k small{color:var(--mut)}.k div{font:600 26px Prompt}
.tw{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th{text-align:left;color:var(--mut);font-weight:500;font-size:12px;padding:8px;border-bottom:1px solid var(--line)}td{padding:10px 8px;border-bottom:1px solid var(--line)}
.ch{padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.c1{background:#fef3c7;color:#92400e}.c2{background:#dcfce7;color:#166534}.c3{background:#dbeafe;color:#1e40af}.c4{background:#fee2e2;color:#991b1b}
.tb{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.tb input,.tb select{flex:1;min-width:140px}
.pg{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:13px;color:var(--mut)}

.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
canvas#sg{width:100%;height:130px;border:3px solid #000;border-radius:10px;background:#fff;touch-action:none;cursor:crosshair}
.fl{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.fl span{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:3px 6px 3px 12px;font-size:13px;max-width:100%;overflow:hidden}.fl button{border:0;background:var(--line);color:var(--ink);border-radius:50%;width:22px;height:22px;cursor:pointer;line-height:1;flex:none}
.btn[disabled]{opacity:.6;cursor:wait}
.msg{margin-top:12px;padding:10px 12px;border-radius:10px;background:#dbeafe;color:#1e40af;font-size:14px}.msg.bad{background:#fee2e2;color:#991b1b}
.hide{display:none!important}
dialog{border:0;border-radius:var(--r);padding:0;width:min(720px,94vw);max-height:90vh;background:var(--card);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.35)}
dialog::backdrop{background:rgba(11,42,91,.55)}
.dl{padding:18px;overflow:auto;max-height:90vh}
.th{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.th img{height:90px;border-radius:8px;border:1px solid var(--line)}
.lg{max-width:380px;margin:0 auto}
@media print{header.top,footer,.nav,.noprint{display:none!important}main{margin:0;padding:0}.card{box-shadow:none;border:0}body{background:#fff;color:#000}}