/* CadTab — strony „otwórz DWG online” z podglądem (cadtab/viewer/build.py → site/assets/viewer.css). Bez zewnętrznych fontów. */
main.wide { max-width: 1120px; padding-top: 6vh; }
[hidden] { display: none !important; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.langs { display: flex; gap: 4px; flex-wrap: wrap; font-size: 14px; }
.langs a { color: var(--muted); text-decoration: none; padding: 4px 8px; border-radius: 8px; }
.langs a[aria-current] { color: var(--ink); background: var(--card); border: 1px solid var(--line); }
.lead { max-width: 760px; }
.prose { max-width: 760px; }
.prose h2 { margin-top: 40px; }
.prose h3 { font-size: 18px; margin: 22px 0 6px; }
.prose p, .prose li { font-size: 17px; }
.prose ol, .prose ul { color: var(--muted); line-height: 1.75; padding-left: 22px; margin: 0 0 12px; }
.prose li { margin-bottom: 4px; }
.prose strong { color: var(--ink); }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 16px; }
.grid3 .card { margin-top: 0; }
.grid3 h3 { margin-top: 0; }
.grid3 p { font-size: 16px; margin: 0; }
details { border-top: 1px solid var(--line); padding: 14px 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; font-size: 17px; color: var(--ink); }
details p { margin: 10px 0 0; font-size: 16px; }
.tm { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* podgląd */
.viewer { position: relative; margin-top: 24px; }
.vdrop { display: flex; align-items: center; justify-content: center; min-height: 300px; text-align: center; cursor: pointer;
         background: var(--card); border: 2px dashed color-mix(in srgb, var(--accent) 55%, var(--line)); border-radius: 18px; padding: 28px 18px; }
.vdrop:hover, .vover .vdrop { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--card)); }
.vdrop-in { max-width: 560px; }
.vdrop svg { color: var(--accent); }
.vdrop-title { font-size: 21px; font-weight: 650; color: var(--ink); margin: 10px 0 14px; }
.vbtn { display: inline-block; font-weight: 600; font-size: 17px; padding: 12px 22px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); cursor: pointer; text-decoration: none; }
.vbtn:focus-within { outline: 2px solid var(--ink); outline-offset: 2px; }
.vdrop-hint { font-size: 14px; margin: 14px 0 0; }
.vmsg { font-size: 15px; margin: 12px 0 0; color: var(--ink); }
.vmsg.err, .vtoast.err { color: var(--err); }
.vloading .vdrop { cursor: progress; }
.vloading .vbtn { opacity: .55; pointer-events: none; }
.vnojs { margin-top: 12px; color: var(--err); }
.vjs .vnojs { display: none; }
.vprivacy { font-size: 14px; margin-top: 10px; }

.vstage { background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.vhead { display: flex; gap: 6px 14px; align-items: baseline; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 14px; }
.vname { font-weight: 650; color: var(--ink); overflow-wrap: anywhere; }
.vinfo { color: var(--muted); }
.vcanvas { position: relative; height: min(72vh, 760px); min-height: 340px; }
.vcanvas canvas { display: block; width: 100%; height: 100%; touch-action: none; cursor: crosshair; outline: none; }
.vcanvas canvas.grab { cursor: grabbing; }
.vcanvas canvas.vol { position: absolute; inset: 0; pointer-events: none; }
/* 9 przycisków: przy niskim podglądzie zawijają się w drugą kolumnę na lewo */
.vtools { position: absolute; top: 10px; right: 10px; display: flex; flex-direction: column; flex-wrap: wrap-reverse; align-content: flex-start;
          gap: 6px; max-height: calc(100% - 20px); }
.vt { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: color-mix(in srgb, var(--card) 88%, transparent);
      color: var(--ink); cursor: pointer; padding: 0; }
.vt:hover, .vt.on { border-color: var(--accent); color: var(--accent); }
.vlayers { position: absolute; top: 10px; left: 10px; bottom: 10px; width: min(300px, calc(100% - 76px)); display: flex; flex-direction: column;
           background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.25); }
.vlayers[hidden] { display: none; }
.vlh { display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 12px; border-bottom: 1px solid var(--line); font-size: 15px; }
.vlh strong { flex: 1; }
.vlink { background: none; border: 0; color: var(--accent); font: inherit; font-size: 14px; cursor: pointer; padding: 4px; }
.vx { width: 32px; height: 32px; border: 0; }
.vlayers ul { list-style: none; margin: 0; padding: 6px 0; overflow-y: auto; line-height: 1.3; }
.vlayers li label { display: flex; align-items: center; gap: 8px; padding: 6px 12px; font-size: 14px; color: var(--ink); cursor: pointer; }
.vlayers li label:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.vlayers input { accent-color: var(--accent); width: 16px; height: 16px; flex: none; margin: 0; }
.vsw { width: 12px; height: 12px; border-radius: 3px; flex: none; border: 1px solid var(--line); }
.vln { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vlc { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.vbusy, .vtoast { position: absolute; left: 50%; transform: translateX(-50%); max-width: calc(100% - 100px); padding: 10px 14px; border-radius: 10px;
                  background: var(--card); border: 1px solid var(--line); font-size: 14px; color: var(--ink); box-shadow: 0 6px 24px rgba(0,0,0,.3); }
.vbusy { top: 12px; }
.vtoast { bottom: 12px; cursor: pointer; }
.vbusy[hidden], .vtoast[hidden] { display: none; }
.vdropover { position: absolute; inset: 0; display: none; place-items: center; background: color-mix(in srgb, var(--accent) 18%, transparent);
             border: 2px dashed var(--accent); border-radius: 0 0 18px 18px; font-size: 20px; font-weight: 650; color: var(--ink); pointer-events: none; }
.vover .vdropover { display: grid; }
/* pomiar odległości */
.vmeas { position: absolute; left: 10px; bottom: 10px; max-width: calc(100% - 76px); padding: 8px 12px; border-radius: 10px; pointer-events: none;
         background: color-mix(in srgb, var(--card) 92%, transparent); border: 1px solid var(--line); box-shadow: 0 6px 24px rgba(0,0,0,.25);
         font-size: 14px; line-height: 1.45; color: var(--ink); font-variant-numeric: tabular-nums; }
.vmeas b { color: var(--accent); font-weight: 650; }
.vmeas .vm2 { color: var(--ink); }
.vmeas .vm-h { color: var(--muted); }

/* wydruk: okno ustawień */
.vpd { width: min(520px, calc(100vw - 24px)); max-width: none; max-height: calc(100vh - 24px); max-height: calc(100dvh - 24px); overflow: auto;
       padding: 0; border: 1px solid var(--line); border-radius: 16px; background: var(--card); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.45); }
.vpd::backdrop { background: rgba(0,0,0,.55); }
.vpd-h { display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 18px; border-bottom: 1px solid var(--line); font-size: 17px; }
.vpd-h strong { flex: 1; }
.vpd-in { padding: 14px 18px 18px; }
.vpd-pv { display: block; width: 100%; height: 210px; border-radius: 10px; background: color-mix(in srgb, var(--ink) 9%, var(--bg)); }
.vpd-g { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 12px; margin-top: 14px; }
.vpd-g label { display: flex; flex-direction: column; gap: 4px; min-width: 0; font-size: 13px; color: var(--muted); }
.vpd select { width: 100%; min-width: 0; font: inherit; font-size: 15px; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.vpd select:focus-visible, .vpd-c:focus-visible, .vpd-go:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.vpd-g .vpd-chk { flex-direction: row; align-items: center; align-self: end; gap: 8px; padding-bottom: 9px; font-size: 15px; color: var(--ink); cursor: pointer; }
.vpd-chk input { width: 18px; height: 18px; margin: 0; flex: none; accent-color: var(--accent); }
.vpd-info { margin: 14px 0 0; font-size: 15px; color: var(--ink); font-variant-numeric: tabular-nums; }
.vpd-warn { margin: 6px 0 0; font-size: 14px; color: var(--err); }
.vpd-hint { margin: 8px 0 0; font-size: 13px; line-height: 1.5; }
.vpd-b { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.vpd-b button { font-family: inherit; font-size: 16px; font-weight: 600; padding: 10px 18px; border-radius: 10px; cursor: pointer; }
.vpd-c { background: none; border: 1px solid var(--line); color: var(--ink); }
.vpd .vpd-go { border: 0; }

/* wydruk: arkusz (SVG w mm) zamiast strony; rozmiar kartki = reguła @page wstawiana przez viewer.js */
.vprint { display: none; }
@media print {
  html.vprinting, html.vprinting body { margin: 0 !important; padding: 0 !important; background: #fff !important; min-height: 0 !important;
                                       height: auto !important; overflow: visible !important; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  html.vprinting body > :not(.vprint) { display: none !important; }
  html.vprinting .vprint { display: block !important; }
  html.vprinting .vprint svg { display: block; }
}

.vfoot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 8px 14px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.vxy { font-variant-numeric: tabular-nums; }
.vstage:fullscreen, .vstage.vfs { border-radius: 0; border: 0; display: flex; flex-direction: column; }
.vstage.vfs { position: fixed; inset: 0; z-index: 1000; }
.vstage:fullscreen .vcanvas, .vstage.vfs .vcanvas { flex: 1; height: auto; }
html.vfs-lock, html.vfs-lock body { overflow: hidden; }

.vcta { display: flex; align-items: center; justify-content: space-between; gap: 14px 20px; flex-wrap: wrap; margin-top: 14px;
        border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.vcta[hidden] { display: none; }
.vcta p { margin: 0; flex: 1 1 380px; font-size: 16px; }
.vcta strong { color: var(--ink); }

@media (max-width: 640px) {
  main.wide { padding-top: 4vh; }
  .vcanvas { height: 62vh; min-height: 300px; }
  .vdrop { min-height: 230px; }
  .vt { width: 38px; height: 38px; }
  .vfoot .vhelp { display: none; }
  .vpd-in { padding: 12px 14px 14px; }
  .vpd-pv { height: 160px; }
  .vpd-g { gap: 8px 10px; }
  .vmeas { font-size: 13px; padding: 6px 10px; }
}