/* ---------- font (เก็บในเครื่อง ใช้ได้แม้ไม่มีอินเทอร์เน็ต) ---------- */
@font-face{font-family:"Sarabun"; font-style:normal; font-weight:400; font-display:swap; src:url(../vendor/fonts/sarabun-thai-400-normal.woff2) format("woff2"); unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"Sarabun"; font-style:normal; font-weight:500; font-display:swap; src:url(../vendor/fonts/sarabun-thai-500-normal.woff2) format("woff2"); unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"Sarabun"; font-style:normal; font-weight:600; font-display:swap; src:url(../vendor/fonts/sarabun-thai-600-normal.woff2) format("woff2"); unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"Sarabun"; font-style:normal; font-weight:700; font-display:swap; src:url(../vendor/fonts/sarabun-thai-700-normal.woff2) format("woff2"); unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"Sarabun"; font-style:normal; font-weight:400; font-display:swap; src:url(../vendor/fonts/sarabun-latin-400-normal.woff2) format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Sarabun"; font-style:normal; font-weight:500; font-display:swap; src:url(../vendor/fonts/sarabun-latin-500-normal.woff2) format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Sarabun"; font-style:normal; font-weight:600; font-display:swap; src:url(../vendor/fonts/sarabun-latin-600-normal.woff2) format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Sarabun"; font-style:normal; font-weight:700; font-display:swap; src:url(../vendor/fonts/sarabun-latin-700-normal.woff2) format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --brand:#1b3a5c;
  --brand-700:#152e4a;
  --brand-500:#2a5585;
  --brand-50:#eef3f8;
  --brand-100:#dbe5f0;
  --accent:#b08d3e;
  --ink:#1d2733;
  --ink-2:#4a5866;
  --ink-3:#6b7885;
  --line:#dde3ea;
  --line-strong:#c4ced9;
  --bg:#f3f5f8;
  --surface:#ffffff;
  --ok:#2e6b47;
  --ok-50:#e9f4ed;
  --danger:#b42318;
  --danger-50:#fdf1f0;
  --warn-50:#fbf6ea;
  --shadow-sm:0 1px 2px rgba(16,32,52,.06), 0 0 0 1px rgba(16,32,52,.06);
  --shadow-md:0 1px 2px rgba(16,32,52,.05), 0 4px 16px rgba(16,32,52,.06), 0 0 0 1px rgba(16,32,52,.06);
  --ease:cubic-bezier(.2,0,0,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Sarabun","Noto Sans Thai","Tahoma",sans-serif;
  font-size:16px; line-height:1.6;
  background:var(--bg); color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
.sr-only{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap}
:focus-visible{outline:3px solid #7aa5d6; outline-offset:2px}

/* ---------- top bar ---------- */
.topbar{
  background:var(--brand); color:#fff;
  border-bottom:3px solid var(--accent);
  position:sticky; top:0; z-index:30;
}
.topbar-inner{max-width:1240px; margin:auto; padding:12px 24px; display:flex; align-items:center; justify-content:space-between; gap:20px}
.doc-id{display:flex; align-items:center; gap:14px; min-width:0}
.doc-code{
  flex:none; font-weight:700; font-size:14px; letter-spacing:.04em;
  border:1.5px solid rgba(255,255,255,.7); border-radius:4px; padding:6px 10px;
}
.doc-id h1{font-size:18px; font-weight:600; margin:0; line-height:1.35}
.doc-id p{margin:2px 0 0; font-size:13px; opacity:.8}
.topbar-actions{display:flex; align-items:center; gap:14px; flex:none}
.save-status{font-size:13px; opacity:.85; display:flex; align-items:center; gap:6px; white-space:nowrap}
.save-status::before{content:""; width:7px; height:7px; border-radius:50%; background:#8fd3a8}

/* menu */
.menu{position:relative}
.menu summary{list-style:none}
.menu summary::-webkit-details-marker{display:none}
.menu-list{
  position:absolute; right:0; top:calc(100% + 6px); min-width:230px;
  background:var(--surface); color:var(--ink); border-radius:8px; padding:6px;
  box-shadow:0 8px 28px rgba(16,32,52,.18), 0 0 0 1px rgba(16,32,52,.08);
}
.menu-list button{
  display:block; width:100%; text-align:left; background:none; border:0; border-radius:4px;
  padding:10px 12px; font:inherit; font-size:15px; color:inherit; cursor:pointer;
}
.menu-list button:hover{background:var(--brand-50)}
.menu-list button.danger{color:var(--danger)}
.menu-list hr{border:0; border-top:1px solid var(--line); margin:6px 4px}

/* ---------- layout ---------- */
.layout{max-width:1240px; margin:0 auto; padding:24px; display:grid; grid-template-columns:272px minmax(0,1fr); gap:24px; align-items:start}
.sidebar{position:sticky; top:96px}
.side-card{background:var(--surface); border-radius:10px; box-shadow:var(--shadow-sm); padding:18px 14px 10px}
.progress-head{display:flex; justify-content:space-between; font-size:14px; color:var(--ink-2); padding:0 6px}
.progress-head b{color:var(--ink); font-variant-numeric:tabular-nums}
.progress-bar{height:6px; background:var(--brand-50); border-radius:3px; margin:8px 6px 14px; overflow:hidden}
.progress-bar span{display:block; height:100%; width:0; background:var(--ok); border-radius:3px; transition:width .3s var(--ease)}
.privacy-note{font-size:13px; color:var(--ink-3); margin:14px 6px 0; line-height:1.5}

.steps{list-style:none; margin:0; padding:0}
.steps button{
  width:100%; display:grid; grid-template-columns:28px 1fr; gap:2px 10px; align-items:center;
  text-align:left; background:none; border:0; border-radius:6px;
  padding:9px 8px; font:inherit; color:var(--ink-2); cursor:pointer;
  transition:background-color .15s var(--ease);
}
.steps button:hover{background:var(--brand-50)}
.step-no{
  grid-row:span 2; width:28px; height:28px; border-radius:50%;
  display:grid; place-items:center; font-size:13px; font-weight:600;
  background:var(--surface); box-shadow:inset 0 0 0 1.5px var(--line-strong); color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.step-title{font-size:14.5px; line-height:1.35; font-weight:500}
.step-state{font-size:12.5px; color:var(--ink-3)}
.steps .done .step-no{background:var(--ok); box-shadow:none; color:#fff}
.steps .done .step-state{color:var(--ok)}
.steps .has-error .step-no{background:var(--danger-50); box-shadow:inset 0 0 0 1.5px #e3a39d; color:var(--danger)}
.steps .has-error .step-state{color:var(--danger)}
.steps .active{background:var(--brand-50); color:var(--brand)}
.steps .active .step-title{font-weight:700}
.steps .active:not(.done):not(.has-error) .step-no{background:var(--brand); box-shadow:none; color:#fff}
.mobile-steps{display:none}

/* ---------- sheet ---------- */
.sheet{background:var(--surface); border-radius:10px; box-shadow:var(--shadow-md); padding:32px 36px 36px}
.screen:not([hidden]){animation:screen-in .22s var(--ease)}
@keyframes screen-in{from{opacity:0; transform:translateY(6px)}}
.screen-head{display:flex; justify-content:space-between; align-items:flex-end; gap:16px; padding-bottom:18px; border-bottom:2px solid var(--brand)}
.eyebrow{font-size:13px; font-weight:600; letter-spacing:.03em; color:var(--accent); margin:0 0 2px}
h2{margin:0; color:var(--brand); font-size:24px; font-weight:700; line-height:1.35}
.screen-help{color:var(--ink-2); margin:6px 0 0; font-size:15px}
.req-legend{font-size:13px; color:var(--ink-3); white-space:nowrap}
.req{color:var(--danger)}

.notice{
  margin:22px 0 0; padding:16px 20px; border-radius:8px;
  background:var(--brand-50); box-shadow:inset 3px 0 0 var(--brand-500);
  font-size:15px; color:var(--ink-2);
}
.notice b{color:var(--brand); display:block; margin-bottom:4px}
.notice ol{margin:0; padding-left:20px}

.section{margin-top:30px}
.section h3{
  margin:0 0 16px; font-size:17px; font-weight:700; color:var(--ink);
  display:flex; align-items:center; gap:10px;
}
.section h3::before{content:""; width:4px; height:18px; border-radius:2px; background:var(--accent)}
.section-body{display:grid; grid-template-columns:1fr 1fr; gap:18px 24px}
.section-body .full{grid-column:1 / -1}

/* ---------- fields ---------- */
.field-label{display:block; font-weight:600; font-size:15px; margin-bottom:6px; color:var(--ink)}
.help{font-size:13.5px; color:var(--ink-3); margin-top:6px; line-height:1.5}
.help.guide{margin:0 0 8px}
input[type=text],input[type=email],input[type=tel],input[type=number],textarea,select{
  width:100%; min-height:44px;
  border:1px solid var(--line-strong); border-radius:6px;
  padding:10px 12px; font:inherit; font-size:15.5px;
  background:#fff; color:inherit;
  transition:border-color .15s var(--ease), box-shadow .15s var(--ease);
}
input:hover,textarea:hover,select:hover{border-color:#9fb0c2}
input:focus,textarea:focus,select:focus{outline:none; border-color:var(--brand-500); box-shadow:0 0 0 3px rgba(42,85,133,.18)}
textarea{min-height:112px; resize:vertical; line-height:1.6}
input[type=number]{font-variant-numeric:tabular-nums}

.cond-field{padding:16px 18px; border-radius:8px; background:#f7f9fb; box-shadow:inset 3px 0 0 var(--brand-100)}

/* ตัวเลือก radio = ปุ่มกดได้ทั้งใบ */
.choice-row{display:flex; flex-wrap:wrap; gap:8px}
.opt{
  display:inline-flex; align-items:center; gap:8px; min-height:42px;
  padding:8px 14px; border-radius:6px; cursor:pointer; font-size:15px;
  background:#fff; box-shadow:inset 0 0 0 1px var(--line-strong);
  transition:background-color .15s var(--ease), box-shadow .15s var(--ease);
}
.opt:hover{box-shadow:inset 0 0 0 1px #8ea3b8}
.opt input{margin:0; accent-color:var(--brand); width:16px; height:16px}
.opt:has(input:checked){background:var(--brand-50); box-shadow:inset 0 0 0 1.5px var(--brand-500); color:var(--brand); font-weight:600}
.opt:has(input:focus-visible){outline:3px solid #7aa5d6; outline-offset:2px}

.radio-inline{display:grid; grid-template-columns:1fr auto; gap:6px 24px; align-items:center}
.radio-inline .field-label{margin:0}
.radio-inline .help,.radio-inline .err-msg{grid-column:1 / -1}
.radio-inline .opt{min-width:72px; justify-content:center}
/* self-check และคำถามสั้น: แถวรายการแบบตาราง */
.radio-inline:not(.cond-field){padding:12px 16px; border-radius:8px; box-shadow:inset 0 0 0 1px var(--line)}
.radio-inline:not(.cond-field) .field-label{font-weight:500}
.radio-inline:not(.cond-field):has(input:checked){background:#fbfcfd}

.check-item{padding:0; border-radius:8px; box-shadow:inset 0 0 0 1px var(--line); transition:background-color .15s var(--ease), box-shadow .15s var(--ease)}
.check-item:hover{box-shadow:inset 0 0 0 1px #9fb0c2}
.check-item:has(input:checked){background:var(--brand-50); box-shadow:inset 0 0 0 1.5px var(--brand-500)}
.check-label{display:flex; gap:12px; align-items:flex-start; cursor:pointer; padding:12px 16px; font-size:15.5px}
.check-label input{flex:none; margin:4px 0 0; width:18px; height:18px; accent-color:var(--brand)}
.check-item .help,.check-item .err-msg{padding:0 16px 12px 46px; margin:0}

.toggle-card{border-radius:8px; margin-top:10px; box-shadow:inset 0 0 0 1px var(--line); transition:background-color .15s var(--ease), box-shadow .15s var(--ease)}
.toggle-card:hover{box-shadow:inset 0 0 0 1px #9fb0c2}
.toggle-card:has(> .check-label input:checked){box-shadow:inset 0 0 0 1.5px var(--brand-500)}
.toggle-card > .check-label b{font-weight:600}
.toggle-card .cond-field{margin:0 16px 16px 46px}
.toggle-card > .err-msg{padding:0 16px 12px 46px; margin:0}
.group-err{font-weight:600}
.group-err:not(:empty){padding:10px 14px; background:var(--danger-50); border-radius:6px; margin-top:16px}

.field.invalid input[type=text],.field.invalid input[type=email],.field.invalid input[type=tel],.field.invalid input[type=number],.field.invalid textarea{border-color:var(--danger); background:var(--danger-50)}
.field.invalid .opt{box-shadow:inset 0 0 0 1px #e3a39d}
.field.invalid.check-item,.radio-inline.invalid:not(.cond-field),.toggle-card.invalid{box-shadow:inset 0 0 0 1.5px #e3a39d}
.err-msg{color:var(--danger); font-size:14px; margin-top:6px}
.err-msg:empty{display:none}

/* repeater */
.repeat-row{
  display:grid; grid-template-columns:28px 1fr auto; gap:12px; align-items:start;
  border-radius:8px; padding:14px; margin-bottom:10px;
  background:#f7f9fb; box-shadow:inset 0 0 0 1px var(--line);
}
.repeat-no{font-weight:700; color:var(--brand); padding-top:10px; text-align:center; font-variant-numeric:tabular-nums}
.repeat-cols{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:12px}
.repeat-cols label{font-size:13.5px; font-weight:600; display:block; margin-bottom:4px; color:var(--ink-2)}
.repeat-empty{color:var(--ink-3); font-size:14px; margin:0 0 10px; padding:14px; border-radius:8px; background:#f7f9fb; text-align:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  min-height:44px; padding:10px 18px; border:0; border-radius:6px;
  font:inherit; font-size:15px; font-weight:600; cursor:pointer;
  transition:background-color .15s var(--ease), box-shadow .15s var(--ease), transform .1s var(--ease);
}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--brand); color:#fff}
.btn-primary:hover{background:var(--brand-700)}
.btn-success{background:var(--ok); color:#fff}
.btn-success:hover{background:#255a3b}
.btn-secondary{background:#fff; color:var(--brand); box-shadow:inset 0 0 0 1px var(--line-strong)}
.btn-secondary:hover{background:var(--brand-50)}
.btn-on-dark{background:rgba(255,255,255,.12); color:#fff; box-shadow:inset 0 0 0 1px rgba(255,255,255,.35); min-height:40px}
.btn-on-dark:hover{background:rgba(255,255,255,.2)}
.btn-small{min-height:38px; padding:6px 14px; font-size:14px}
.btn[hidden]{display:none}
.btn-remove{
  min-height:40px; padding:6px 12px; border:0; border-radius:6px; cursor:pointer;
  font:inherit; font-size:14px; color:var(--danger); background:transparent;
}
.btn-remove:hover{background:var(--danger-50)}

/* ---------- pager ---------- */
.pager{
  position:sticky; bottom:0; z-index:10;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
  margin-top:16px; padding:12px 16px; border-radius:10px;
  background:rgba(255,255,255,.94); backdrop-filter:blur(6px);
  box-shadow:0 -1px 0 rgba(16,32,52,.04), 0 6px 20px rgba(16,32,52,.1), 0 0 0 1px rgba(16,32,52,.06);
}
.pager-info{font-size:14px; color:var(--ink-3); font-variant-numeric:tabular-nums; text-align:center}

/* ---------- error summary ---------- */
.error-summary{
  padding:16px 20px; border-radius:8px; margin-bottom:24px;
  background:var(--danger-50); color:#7a1a12; box-shadow:inset 3px 0 0 var(--danger);
}
.error-summary b{font-size:16px}
.error-summary ul{margin:8px 0 0; padding-left:20px}
.error-summary li{margin:2px 0}
.error-summary a{color:inherit}

/* ---------- review ---------- */
.review-summary{display:grid; grid-template-columns:230px 1fr; margin:24px 0 28px; border-radius:8px; overflow:hidden; box-shadow:inset 0 0 0 1px var(--line)}
.review-summary dt,.review-summary dd{margin:0; padding:12px 16px; border-top:1px solid var(--line)}
.review-summary dt{background:#f7f9fb; font-weight:600; color:var(--ink-2)}
.review-summary dt:first-of-type,.review-summary dd:first-of-type{border-top:0}
#review h3{font-size:17px; margin:0 0 12px}
.review-list{list-style:none; margin:0 0 24px; padding:0; display:grid; gap:8px}
.review-list li{display:flex; justify-content:space-between; align-items:center; gap:12px; padding:10px 16px; border-radius:8px; box-shadow:inset 0 0 0 1px var(--line); min-height:56px}
.review-list li.bad{background:var(--danger-50); box-shadow:inset 0 0 0 1px #f0c7c3}
.ok-mark{color:var(--ok); font-weight:600; white-space:nowrap}
.download-box{
  display:flex; justify-content:space-between; align-items:center; gap:20px;
  padding:20px 24px; border-radius:8px; background:var(--ok-50);
}
.download-box p{margin:0; color:var(--ink-2); font-size:15px}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .layout{grid-template-columns:1fr; padding:16px; gap:16px}
  .sidebar{position:static}
  .steps,.privacy-note{display:none}
  .side-card{padding:14px}
  .mobile-steps{display:block}
  .progress-bar{margin-bottom:12px}
}
@media (max-width:720px){
  .topbar{position:static}
  .topbar-inner{flex-direction:column; align-items:stretch; gap:10px; padding:12px 16px}
  .topbar-actions{justify-content:space-between}
  .doc-id h1{font-size:16px}
  .sheet{padding:22px 16px 24px}
  .screen-head{flex-direction:column; align-items:flex-start; gap:6px}
  h2{font-size:21px}
  .section-body{grid-template-columns:1fr}
  .radio-inline{grid-template-columns:1fr}
  .review-summary{grid-template-columns:1fr}
  .review-summary dd{border-top:0}
  .review-list li,.download-box{flex-direction:column; align-items:stretch}
  .toggle-card .cond-field{margin-left:16px}
  .pager{border-radius:0; margin:16px -16px 0}
  .pager-info,.next-title{display:none}
  .pager .btn{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important; transition:none!important}
}