/* Spalvos – šviesi išvaizda */
:root {
  --bg: #f6f3f4; --panel: #ffffff; --panel-2: #fbf9fa; --ink: #1f1a1c; --muted: #7b7276; --line: #e6dfe2;
  --accent: #b0306a; --accent-ink: #ffffff; --accent-soft: #fbeef4; --danger: #c0392b; --ok: #1e8449;
  --input: #ffffff; --shadow: 0 1px 4px rgba(0,0,0,.12); --focus: rgba(176,48,106,.25);
  color-scheme: light;
}
/* Tamsi išvaizda: pagal sistemą, jei nepasirinkta kitaip */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141113; --panel: #1e1a1c; --panel-2: #191517; --ink: #f1eaed; --muted: #a59aa0; --line: #3a3236;
    --accent: #e0609a; --accent-ink: #1a0c13; --accent-soft: #3a1e2b; --danger: #ff7b6e; --ok: #5fd08d;
    --input: #141113; --shadow: 0 1px 6px rgba(0,0,0,.6); --focus: rgba(224,96,154,.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141113; --panel: #1e1a1c; --panel-2: #191517; --ink: #f1eaed; --muted: #a59aa0; --line: #3a3236;
  --accent: #e0609a; --accent-ink: #1a0c13; --accent-soft: #3a1e2b; --danger: #ff7b6e; --ok: #5fd08d;
  --input: #141113; --shadow: 0 1px 6px rgba(0,0,0,.6); --focus: rgba(224,96,154,.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font: 14px/1.4 "Segoe UI", Arial, sans-serif; display: flex; flex-direction: column; }

#topbar { display: flex; align-items: center; gap: 16px; padding: 6px 14px; background: var(--panel); border-bottom: 1px solid var(--line); flex: none; }
.brand .logo { font-weight: 800; letter-spacing: 3px; color: var(--accent); font-size: 18px; line-height: 1.1; }
.brand .sub { color: var(--muted); font-size: 11px; }
.tabs { display: flex; gap: 4px; }
.tab { border: 1px solid transparent; background: transparent; padding: 6px 14px; border-radius: 8px; font-weight: 600; color: var(--muted); }
.tab.on { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.theme-btn { min-width: 112px; }

.view { flex: 1; min-height: 0; }
.view[hidden] { display: none !important; }
#app { display: flex; }
#side { width: 360px; flex: none; overflow-y: auto; padding: 12px; border-right: 1px solid var(--line); background: var(--panel-2); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; }
.card h3 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.row { margin-bottom: 6px; }
.btns { display: flex; gap: 6px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 8px; margin-bottom: 6px; }
.field { display: flex; flex-direction: column; gap: 2px; font-size: 12px; color: var(--muted); }
.field input, .field select, .field textarea, select, input[type=search] { font: inherit; color: var(--ink); padding: 5px 7px; border: 1px solid var(--line); border-radius: 6px; background: var(--input); width: 100%; }
.field textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--focus); border-color: var(--accent); }
button, .btn { font: inherit; padding: 5px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); cursor: pointer; color: var(--ink); display: inline-block; }
button:hover, .btn:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.danger { color: var(--danger); }
.small-btn { font-size: 12px; padding: 3px 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.seg { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.seg label { display: flex; gap: 6px; align-items: center; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; }
.seg label.on { border-color: var(--accent); background: var(--accent-soft); }
.seg2 { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin-bottom: 8px; }
.seg2 button { border: 0; border-radius: 0; padding: 7px 6px; background: var(--panel); }
.seg2 button + button { border-left: 1px solid var(--line); }
.seg2 button.on { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.checks1 { display: flex; flex-direction: column; gap: 4px; }
.checks label, .checks1 label { display: flex; gap: 6px; align-items: center; }
.mode-group .measure-only { display: none !important; }

#main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.toolbar { display: flex; align-items: center; gap: 6px; padding: 8px 12px; border-bottom: 1px solid var(--line); background: var(--panel); flex-wrap: wrap; }
.toolbar .title { font-weight: 600; }
.spacer { flex: 1; }
.panels { flex: 1; display: flex; min-height: 0; }
#preview-wrap { flex: 1; overflow: auto; padding: 12px; }
/* Lekalo „popierius“ visada baltas – kaip atspausdintas */
#preview svg { display: block; background: #fff; box-shadow: var(--shadow); border-radius: 2px; }
#info { width: 300px; flex: none; overflow-y: auto; padding: 12px; border-left: 1px solid var(--line); background: var(--panel); }
#info h3 { margin: 4px 0 6px; font-size: 13px; text-transform: uppercase; color: var(--muted); }
#info table { width: 100%; border-collapse: collapse; margin-bottom: 12px; font-size: 12.5px; }
#info td { padding: 3px 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
#info td.n { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.ok { color: var(--ok); } .bad { color: var(--danger); font-weight: 600; }
.legend div { display: flex; align-items: center; gap: 6px; margin: 3px 0; }
.legend .l { display: inline-block; width: 28px; height: 0; border-top: 2px solid var(--ink); }
.legend .stitch { border-top: 1px dashed var(--ink); }
.legend .final { border-top: 1px dotted #2e86c1; }
.legend .fold { border-top: 2px dashed #c0392b; }

/* Instrukcijos */
#docs { display: flex; }
#docs[hidden] { display: none; }
#docs-side { width: 300px; flex: none; overflow-y: auto; padding: 12px; border-right: 1px solid var(--line); background: var(--panel-2); }
#docs-toc { margin-top: 10px; }
#docs-toc .grp { margin: 12px 0 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
#docs-toc a { display: block; padding: 5px 8px; border-radius: 6px; color: var(--ink); text-decoration: none; }
#docs-toc a:hover { background: var(--accent-soft); }
#docs-toc a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
#docs-body { flex: 1; overflow-y: auto; padding: 20px 32px 60px; max-width: 900px; }
#docs-body h2 { color: var(--accent); margin-top: 0; }
#docs-body h3 { margin-top: 1.4em; }
#docs-body img { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--line); background: #fff; }
#docs-body table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: 13px; }
#docs-body th, #docs-body td { border: 1px solid var(--line); padding: 5px 8px; text-align: left; vertical-align: top; }
#docs-body th { background: var(--panel-2); }
#docs-body li { margin: 3px 0; }
#docs-body mark { background: var(--accent-soft); color: inherit; }
.docs-empty { padding: 30px; color: var(--muted); }

#print-area { display: none; }
@media print {
  @page { size: A4 portrait; margin: 10mm; }
  body { background: #fff; display: block; }
  #topbar, .view { display: none !important; }
  #print-area { display: block; }
  .page { width: 190mm; height: 275mm; overflow: hidden; page-break-after: always; break-after: page; }
  .page:last-child { page-break-after: auto; break-after: auto; }
  .page svg { display: block; }
  .overview h2 { margin: 0 0 4mm; font: 600 16pt Arial, sans-serif; color: #000; }
  .overview p { font: 10pt/1.4 Arial, sans-serif; margin: 0 0 4mm; color: #000; }
  .overview svg.ov { width: 190mm; max-height: 230mm; border: 1px solid #ccc; }
}
@media (max-width: 900px) {
  body { display: block; }
  #app, #docs { flex-direction: column; height: auto; }
  #side, #docs-side { width: 100%; border-right: 0; }
  .panels { flex-direction: column; }
  #info { width: 100%; border-left: 0; }
  #docs-body { padding: 16px; }
}