/* Layout concept: a drafting-table index. Plans are listed like a lumber-yard tally sheet, then open into a cut-list sheet with real store prices. */
:root{
  --bg:#EDF1F4; --panel:#FFFFFF; --ink:#0F2236; --ink2:#4A5D70; --line:#C5D1DB; --grid:rgba(15,34,54,.055);
  --accent:#C2410C; --accent-ink:#FFFFFF; --ok:#1B7A4B; --warn:#8F5A00; --soft:#E3EAF0;
  --f-display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --f-body:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0B1827; --panel:#112238; --ink:#E7EFF6; --ink2:#9DB1C5; --line:#25405C; --grid:rgba(150,195,240,.07);
    --accent:#FF9156; --accent-ink:#1A0B02; --ok:#4CC38A; --warn:#E3B341; --soft:#16304B; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0B1827; --panel:#112238; --ink:#E7EFF6; --ink2:#9DB1C5; --line:#25405C; --grid:rgba(150,195,240,.07);
  --accent:#FF9156; --accent-ink:#1A0B02; --ok:#4CC38A; --warn:#E3B341; --soft:#16304B; color-scheme:dark;
}
*{box-sizing:border-box}
body{
  background-color:var(--bg);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:24px 24px;
  color:var(--ink); font-family:var(--f-body); font-size:16px; line-height:1.5;
  padding-block:0 48px;
  padding-left:max(16px,env(safe-area-inset-left,0px)); padding-right:max(16px,env(safe-area-inset-right,0px));
}
.wrap{max-width:1040px;margin:0 auto}
a{color:var(--accent)}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);font-weight:800;line-height:1.02;margin:0;text-wrap:balance;letter-spacing:.01em}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2)}

/* masthead */
.mast{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 24px;padding-block:28px 14px;border-bottom:2px solid var(--ink)}
.brand{font-family:var(--f-display);font-weight:800;font-size:clamp(38px,8vw,64px);line-height:.9;letter-spacing:.01em;text-transform:uppercase;cursor:pointer;background:none;border:0;padding:0;text-align:left}
.brand span{color:var(--accent)}
.tag{max-width:30ch;color:var(--ink2);font-size:15px;margin:0}
nav.tabs{display:flex;flex-wrap:wrap;gap:6px;padding-block:12px}
.tab{background:transparent;border:1px solid var(--line);padding:7px 14px;border-radius:2px;font-family:var(--f-mono);font-size:13px;letter-spacing:.04em;text-transform:uppercase}
.tab[aria-current="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.legend{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:14px;color:var(--ink2);padding-block:4px 18px}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;border:2px solid var(--ok);background:var(--ok);vertical-align:-1px;margin-right:6px}
.dot.est{background:transparent;border-color:var(--warn)}

/* index */
.controls{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{background:var(--panel);border:1px solid var(--line);padding:5px 12px;border-radius:99px;font-size:14px}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
select{background:var(--panel);color:var(--ink);border:1px solid var(--line);padding:6px 10px;font:inherit;font-size:14px;border-radius:2px}
.rows{background:var(--panel);border:1px solid var(--ink)}
.row{display:grid;grid-template-columns:64px minmax(0,1fr) 92px 70px 84px;gap:4px 16px;align-items:center;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:14px 16px}
.row:last-child{border-bottom:0}
.row:hover{background:var(--soft)}
.row .code{font-family:var(--f-mono);font-size:13px;color:var(--ink2)}
.row .nm{font-family:var(--f-display);font-weight:800;font-size:26px;line-height:1}
.row .bl{display:block;font-size:14px;color:var(--ink2);margin-top:3px}
.row .cost{font-family:var(--f-mono);font-size:18px;font-weight:500;text-align:right}
.row .time{font-family:var(--f-mono);font-size:13px;color:var(--ink2)}
.pips{display:inline-flex;gap:3px;vertical-align:middle}
.pips i{width:9px;height:9px;border:2px solid var(--ink);display:inline-block;transform:rotate(45deg)}
.pips i.on{background:var(--ink)}
.dlabel{font-size:12px;font-family:var(--f-mono);color:var(--ink2);display:block;margin-top:3px;text-transform:uppercase;letter-spacing:.06em}
@media (max-width:700px){
  .row{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"nm cost" "bl bl" "meta meta"}
  .row .code{display:none}
  .row .c1{grid-area:nm}.row .cost{grid-area:cost}
  .row .dif,.row .time{display:none}
  .row .meta2{display:flex}
}
.meta2{display:none;grid-area:meta;gap:14px;align-items:center;font-family:var(--f-mono);font-size:12px;color:var(--ink2)}

/* detail */
.back{background:none;border:0;padding:6px 0;font-family:var(--f-mono);font-size:13px;color:var(--ink2);text-transform:uppercase;letter-spacing:.06em}
.sheet{background:var(--panel);border:1px solid var(--ink);padding:clamp(16px,4vw,32px)}
.sheet h1{font-size:clamp(40px,8vw,72px);text-transform:uppercase}
.dims{font-family:var(--f-mono);font-size:14px;color:var(--ink2);margin:10px 0 0;border-top:1px dashed var(--line);padding-top:10px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:0;margin-block:20px;border:1px solid var(--line)}
.fact{padding:12px 14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 -1px -1px 0}
.fact b{display:block;font-family:var(--f-display);font-size:30px;font-weight:800;line-height:1.05}
.fact span{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink2)}
h2.sec{font-size:30px;text-transform:uppercase;margin:30px 0 10px;padding-bottom:6px;border-bottom:2px solid var(--ink);display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
h2.sec small{font-family:var(--f-mono);font-size:12px;font-weight:400;letter-spacing:.06em;color:var(--ink2);text-transform:none}
.tw{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:560px}
th{font-family:var(--f-mono);font-weight:500;font-size:11px;letter-spacing:.1em;text-transform:uppercase;text-align:left;color:var(--ink2);padding:6px 10px;border-bottom:1px solid var(--ink)}
td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
td.n,th.n{text-align:right;font-family:var(--f-mono);font-variant-numeric:tabular-nums}
tr.total td{border-top:2px solid var(--ink);border-bottom:0;font-weight:700;font-size:17px}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 32px}
@media (max-width:760px){.two{grid-template-columns:minmax(0,1fr)}}
ul.plain{margin:0;padding:0;list-style:none}
ul.plain li{padding:7px 0 7px 22px;border-bottom:1px solid var(--line);position:relative}
ul.plain li::before{content:"";position:absolute;left:3px;top:15px;width:8px;height:8px;background:var(--accent);transform:rotate(45deg)}
ol.steps{margin:0;padding:0;list-style:none;counter-reset:s}
ol.steps li{counter-increment:s;padding:10px 0 10px 46px;border-bottom:1px solid var(--line);position:relative}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:8px;width:30px;height:30px;border:2px solid var(--ink);display:grid;place-items:center;font-family:var(--f-mono);font-size:14px}
.note{border-left:4px solid var(--warn);background:var(--soft);padding:10px 14px;margin-top:10px;font-size:15px}
.btn{background:var(--accent);color:var(--accent-ink);border:0;padding:10px 16px;font-family:var(--f-mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;border-radius:2px}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.msg{font-family:var(--f-mono);font-size:13px;color:var(--ink2);margin-left:10px}

/* paid */
.intro{max-width:62ch;margin:6px 0 18px;color:var(--ink2)}
.paid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}
.pcard{background:var(--panel);border:1px solid var(--ink);padding:16px;display:flex;flex-direction:column;gap:8px;min-width:0}
.pcard h3{font-size:28px;text-transform:uppercase}
.pcard .price{font-family:var(--f-display);font-size:36px;font-weight:800;line-height:1}
.pcard p{margin:0;font-size:15px;color:var(--ink2)}
.kv{display:flex;justify-content:space-between;gap:10px;font-size:14px;border-top:1px dashed var(--line);padding-top:6px}
.kv b{font-family:var(--f-mono);font-weight:500;font-size:13px;text-align:right}
.pre{display:inline-block;align-self:flex-start;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--warn);color:var(--warn);padding:2px 8px}
.bundle{margin-top:14px;border:2px solid var(--accent);background:var(--panel);padding:18px;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between}
.bundle h3{font-size:34px;text-transform:uppercase}
.incl{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:6px 24px;margin:0 0 20px;padding:0;list-style:none}
.incl li{padding-left:20px;position:relative;font-size:15px}
.incl li::before{content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;background:var(--accent);transform:rotate(45deg)}
.srcs a{word-break:break-word}
footer{margin-top:36px;padding-top:14px;border-top:2px solid var(--ink);font-size:14px;color:var(--ink2)}
a.tab{color:var(--ink);text-decoration:none}