:root{
  --blue:#1A92FF; --blue-light:#4C90F1; --grey:#979797; --grey-2:#A0A0A0;
  --red:#F7534D; --pale:#EAF0F6; --ink:#253236; --white:#fff;
  --line:#DCE4EC; --radius:6px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--pale);color:var(--ink);font:400 15px/1.5 Lato,system-ui,sans-serif}
h1,h2,h3,label,legend,th,button{font-family:Montserrat,system-ui,sans-serif}

header.site{background:var(--white);border-bottom:3px solid var(--blue);padding:18px 24px}
.hwrap{max-width:1220px;margin:0 auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
header.site img{height:87px;width:auto}
header.site .titles{margin-left:auto;text-align:right}
header.site h1{margin:0;font-size:20px;font-weight:700;color:var(--grey);letter-spacing:.04em;text-transform:uppercase}
header.site p{margin:2px 0 0;font-size:12px;color:var(--grey-2)}

main{max-width:1220px;margin:0 auto;padding:24px;display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}
@media(max-width:940px){main{grid-template-columns:1fr;padding:16px}}

fieldset{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px 20px;margin:0 0 18px}
legend{font-size:16px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--blue);padding:0 8px}
.grid{display:grid;gap:14px 18px}
.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:640px){.c2,.c3{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field.span{grid-column:1/-1}
label{font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--grey)}
label .req{color:var(--red);margin-left:3px}
input[type=text],input[type=number],input[type=email],input[type=tel],input[type=date],select,textarea{
  font:400 15px/1.4 Lato,sans-serif;color:var(--ink);background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);padding:9px 10px;width:100%}
textarea{min-height:96px;resize:vertical}
select{cursor:pointer}
select:disabled{background:var(--pale);color:var(--grey-2);cursor:not-allowed}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,.chk:focus-within{
  outline:2px solid var(--blue);outline-offset:1px}
input.err,select.err{border-color:var(--red);background:#FFF6F5}
.hint{font-size:12px;color:var(--grey-2);font-style:italic}
.fieldnote{margin:-1px 0 3px;font-size:13px;line-height:1.45;color:var(--grey-2);text-transform:none;
  font-family:Lato,sans-serif;font-weight:400;letter-spacing:normal}

.chk{display:flex;align-items:center;gap:9px;font-size:14px;padding:7px 0;cursor:pointer}
.chk input{width:17px;height:17px;accent-color:var(--blue);cursor:pointer;flex:none}
.chk span{font-family:Lato,sans-serif}
.reveal{margin:6px 0 4px 26px;padding-left:14px;border-left:2px solid var(--pale)}
.reveal[hidden]{display:none}

.codebadge{display:inline-flex;align-items:center;gap:8px;background:var(--pale);border-radius:var(--radius);
  padding:8px 12px;font-family:ui-monospace,Menlo,monospace;font-size:13px;color:var(--blue);margin-top:4px}
.codebadge b{font-family:Montserrat,sans-serif;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--grey)}

table.sizes{width:100%;border-collapse:collapse;font-size:14px}
table.sizes th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--grey);font-weight:700;padding:6px 4px;text-align:center}
table.sizes th:first-child{text-align:left}
table.sizes td{padding:6px 4px;text-align:center;border-top:1px solid var(--line)}
table.sizes td:first-child{text-align:left;font-weight:700;font-size:13px}
table.sizes input{width:17px;height:17px;accent-color:var(--blue);cursor:pointer}

.filelist{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.filelist li{display:flex;align-items:center;gap:10px;background:var(--pale);border-radius:var(--radius);padding:8px 12px;font-size:13px}
.filelist .fname{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.filelist .fren{font-size:12px;color:var(--blue);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.filelist .fsize{margin-left:auto;color:var(--grey-2);flex:none}
.filelist button{background:none;border:0;color:var(--red);font-size:15px;cursor:pointer;padding:2px 6px;flex:none}
.filemeta{min-width:0;display:flex;flex-direction:column;gap:1px}

aside{position:sticky;top:24px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
@media(max-width:940px){aside{position:static}}
aside h2{margin:0;background:var(--grey);color:var(--white);font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:12px 16px}
#fnamePreview{margin:0;padding:10px 16px;border-bottom:1px solid var(--line);font-size:13px;color:var(--blue);word-break:break-all;background:var(--pale)}
#fnamePreview b{font-family:Montserrat,sans-serif;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--grey);display:block;margin-bottom:2px}
#summary{padding:14px 16px;max-height:44vh;overflow:auto}
.srow{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid var(--pale);font-size:13px}
.srow:last-child{border-bottom:0}
.srow b{font-weight:700;color:var(--grey);font-size:11px;letter-spacing:.04em;text-transform:uppercase;flex:none;max-width:44%}
.srow span{text-align:right;word-break:break-word}
.code{display:inline-block;font-family:ui-monospace,Menlo,monospace;font-size:11px;background:var(--pale);color:var(--blue);padding:1px 5px;border-radius:3px;margin-top:2px}
.empty{color:var(--grey-2);font-style:italic;font-size:13px;margin:4px 0}
.actions{padding:14px 16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:9px}
.drafts{display:flex;gap:9px}
.drafts button{flex:1}
button{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:12px;border-radius:var(--radius);border:1px solid transparent;cursor:pointer}
.primary{background:var(--blue);color:var(--white)}
.primary:hover{background:var(--blue-light)}
.ghost{background:var(--white);color:var(--grey);border-color:var(--line)}
.ghost:hover{border-color:var(--grey-2)}
#errbox{display:none;margin:0 16px 14px;padding:10px 12px;background:#FFF6F5;border-left:3px solid var(--red);border-radius:3px;font-size:13px}
#errbox ul{margin:6px 0 0;padding-left:18px}
.draftwarn{margin:0;font-size:12px;line-height:1.45;color:var(--grey-2);
  background:var(--pale);border-left:3px solid var(--blue);border-radius:3px;padding:8px 10px}
.subhead{margin:18px 0 6px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--grey)}
dialog{border:0;border-radius:var(--radius);padding:0;max-width:520px;width:92%;
  box-shadow:0 18px 50px rgba(37,50,54,.25);color:var(--ink)}
dialog::backdrop{background:rgba(37,50,54,.5)}
dialog .dhead{padding:16px 22px;border-bottom:3px solid var(--blue)}
dialog h3{margin:0;font-family:Montserrat,sans-serif;font-size:15px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--grey)}
dialog .dbody{padding:18px 22px;font-size:14px;line-height:1.55}
dialog .dbody p{margin:0 0 12px}
dialog .dbody p:last-child{margin-bottom:0}
dialog .dbody b{color:var(--ink)}
dialog .dfoot{padding:14px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
dialog .dfoot button{width:auto;padding:11px 20px}
.warn{background:#FFF6F5;border-left:3px solid var(--red);border-radius:3px;padding:10px 12px}
.note{background:var(--pale);border-left:3px solid var(--blue);padding:10px 12px;font-size:13px;border-radius:3px}

/* Confirmation view */
#confirmView{display:none;max-width:860px;margin:0 auto;padding:24px}
body.confirmed main,body.confirmed header.site .titles{display:none}
body.confirmed #confirmView{display:block}
.confcard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.confhead{display:flex;align-items:center;gap:18px;padding:22px 26px;border-bottom:3px solid var(--blue)}
.confhead img{height:52px}
.confhead div{margin-left:auto;text-align:right}
.confhead h2{margin:0;font-size:18px;color:var(--grey);text-transform:uppercase;letter-spacing:.05em}
.confhead p{margin:2px 0 0;font-size:12px;color:var(--grey-2)}
.confbody{padding:22px 26px}
.confbody h3{font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:var(--blue);margin:22px 0 8px;border-bottom:1px solid var(--line);padding-bottom:4px}
.confbody h3:first-child{margin-top:0}
.confrow{display:flex;gap:14px;padding:5px 0;font-size:14px}
.confrow b{flex:0 0 220px;color:var(--grey);font-family:Montserrat,sans-serif;font-size:11px;letter-spacing:.04em;text-transform:uppercase;padding-top:2px}
.conffile{font-size:14px;color:var(--blue)}
.sendprogress{margin:20px 26px 0;padding:16px 18px;background:var(--pale);border-radius:var(--radius)}
.sendprogress .pstep{margin:0 0 9px;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;color:var(--grey)}
.sendprogress .pbar{height:8px;background:var(--white);border-radius:99px;overflow:hidden}
.sendprogress .pbar span{display:block;height:100%;width:0;background:var(--blue);
  border-radius:99px;transition:width .25s ease}
.sendprogress .ppct{margin:7px 0 0;font-size:12px;color:var(--grey-2);text-align:right}
.sendresult{margin:20px 26px 0;padding:16px 18px;border-radius:var(--radius);font-size:14px;line-height:1.55}
.sendresult.good{background:#E9F7F2;border-left:3px solid #1D9E75}
.sendresult.bad{background:#FFF6F5;border-left:3px solid var(--red)}
.sendresult h3{margin:0 0 6px;font-family:Montserrat,sans-serif;font-size:14px;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;color:var(--grey);border:0;padding:0}
.sendresult ul{margin:8px 0 0;padding-left:18px}
@media(max-width:720px){.sendprogress,.sendresult{margin:16px 18px 0}}
.sendsteps{list-style:none;counter-reset:s;margin:0;padding:20px 26px 6px;
  display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:720px){.sendsteps{grid-template-columns:1fr;padding:16px 18px 4px}}
.sendsteps li{counter-increment:s;position:relative;background:var(--pale);border-radius:var(--radius);
  padding:16px 18px 18px 52px}
.sendsteps li:before{content:counter(s);position:absolute;left:16px;top:16px;width:24px;height:24px;
  border-radius:50%;background:var(--blue);color:var(--white);font:700 13px Montserrat,sans-serif;
  display:flex;align-items:center;justify-content:center}
.sendsteps h3{margin:0 0 4px;font-family:Montserrat,sans-serif;font-size:14px;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;color:var(--grey);border:0;padding:0}
.sendsteps p{margin:0 0 12px;font-size:13.5px;line-height:1.5;color:var(--grey-2)}
.sendsteps button{width:100%}
.confactions{padding:18px 26px;border-top:1px solid var(--line);display:flex;gap:10px;flex-wrap:wrap}
@media print{
  body{background:var(--white)}
  header.site,.confactions,.note.screenonly{display:none!important}
  #confirmView{padding:0;max-width:none}
  .confcard{border:0}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---- measurement forms ---- */
.measure{display:flex;align-items:center;gap:8px}
.measure input{flex:1;min-width:0}
.measure .unit{font-size:13px;color:var(--grey-2);flex:none}
.checknote{margin:-2px 0 6px 26px}
.static{background:var(--pale);border-left:3px solid var(--blue);border-radius:3px;
  padding:12px 14px;margin:0 0 4px;font-size:13.5px;line-height:1.55}
.static p{margin:0 0 9px}
.static p:last-child{margin-bottom:0}
.withdiagram{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;align-items:start}
@media(max-width:820px){.withdiagram{grid-template-columns:1fr}}
.figs{display:flex;flex-direction:column;gap:18px}
.figs.pair{flex-direction:row;align-items:flex-start;gap:16px}
.figs.pair .diagram{flex:1;min-width:0}
.diagram{margin:0}
.diagram img{width:100%;height:auto;display:block}
.diagram figcaption{margin-top:8px;font-size:12px;color:var(--grey-2);font-style:italic}

/* a measurement label tinted to match its arrow on the diagram */
label.keyed{font-weight:700}
label.keyed .req{color:var(--red)}