/* Shared manual invoice studio. Paper layout and fonts remain in document-paper*.css. */

.istyles {
  --is-bg: var(--bg-panel);
  --is-panel: var(--bg-panel);
  --is-text: var(--ink);
  --is-muted: var(--text-muted);
  --is-soft: var(--caption);
  --is-line: var(--line);
  --is-gold: var(--gold-deep);
  --is-accent: var(--is-gold);
  position: relative; padding-block: clamp(64px, 7vw, 96px); border-block: 1px solid var(--line);
  background: var(--is-bg); color: var(--is-text);
}
.istyles :is(h2, h3) { color: var(--is-text); }
.istyles .kicker { color: var(--is-gold); }
.istyles .lead { color: var(--is-muted); }
.istyles .accent { color: var(--is-gold); }
.istyles :focus-visible { outline-color: var(--is-gold); }

.istyles__head { max-width: 880px; text-align: center; }
.istyles__head h2 { margin-top: 14px; font-size: clamp(36px, 4.7vw, 64px); line-height: 1.04; letter-spacing: -.035em; text-wrap: balance; }
.istyles__head .lead { max-width: 38em; margin: 18px auto 0; }

/* ---------- the studio: controls beside the live paper ---------- */
.istyles__studio { display: grid; grid-template-columns: minmax(270px, 310px) minmax(0, 1fr); gap: clamp(28px, 4vw, 48px); align-items: start; width: calc(100% - 2 * var(--site-gutter)); max-width: 1128px; margin: 40px auto 0; padding: clamp(20px, 3vw, 36px); border: 1px solid var(--is-line); border-radius: var(--r-xl); background: var(--sand-50); }
.istyles__controls { position: sticky; top: 88px; display: grid; gap: 22px; padding: 22px; border: 1px solid var(--is-line); border-radius: var(--r-xl); background: var(--is-panel); box-shadow: var(--shadow-sm); }
.istyles__group { min-width: 0; margin: 0; padding: 0; border: 0; }
.istyles__group legend { padding: 0; margin-bottom: 10px; font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--is-soft); }
.istyles__opt { position: relative; display: block; min-width: 0; cursor: pointer; }
.istyles__opt input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.istyles__opt input:focus-visible + span { outline: 2px solid var(--is-gold); outline-offset: 2px; }

.istyles__bizs { display: grid; gap: 8px; }
.istyles__biz { display: flex; align-items: center; gap: 12px; padding: 10px; border: 1px solid var(--is-line); border-radius: var(--r-xl); transition: border-color .2s, background .2s; }
.istyles__biz > span:last-child { min-width: 0; }
.istyles__biz b { display: block; font-size: var(--fs-body); font-weight: 600; line-height: 1.3; color: var(--is-text); overflow-wrap: break-word; text-wrap: balance; }
.istyles__biz small { display: block; font-size: var(--fs-sm); color: var(--is-muted); }
.istyles__logo { display: grid; place-items: center; flex: none; width: 36px; height: 36px; padding: 4px; border-radius: var(--r-md); background: var(--sand-50); }
.istyles__logo img { width: 100%; height: 100%; object-fit: contain; }
.istyles__logo.is-photo { padding: 0; overflow: hidden; }
.istyles__logo.is-photo img { object-fit: cover; }
.istyles__opt:hover .istyles__biz, .istyles__opt:hover .istyles__layout { border-color: var(--sand-400); }
.istyles__opt input:checked + .istyles__biz, .istyles__opt input:checked + .istyles__layout { border-color: var(--gold); background: var(--cream); }

.istyles__layouts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.istyles__layout { display: flex; align-items: center; gap: 10px; height: 100%; padding: 9px 10px; border: 1px solid var(--is-line); border-radius: var(--r-xl); transition: border-color .2s, background .2s; }
.istyles__layout b { display: block; font-size: var(--fs-body); font-weight: 600; line-height: 1.25; color: var(--is-text); }
.istyles__layout small { display: block; font-size: var(--fs-xs); line-height: 1.35; color: var(--is-muted); }
/* A page in miniature: five marks, placed per style; the accent follows the chosen color. */
.istyles__thumb { position: relative; flex: none; width: 30px; height: 40px; overflow: hidden; border-radius: var(--r-xs); background: var(--bg-panel); }
.istyles__thumb i { position: absolute; display: block; border-radius: var(--r-hair); background: var(--sand-300); }
.istyles__thumb i:nth-child(1) { background: var(--is-accent); }
.istyles__thumb--classic i:nth-child(1) { left: 0; right: 0; top: 0; height: 3px; }
.istyles__thumb--classic i:nth-child(2) { left: 4px; top: 7px; width: 7px; height: 7px; background: var(--is-accent); }
.istyles__thumb--classic i:nth-child(3) { right: 4px; top: 8px; width: 10px; height: 3px; }
.istyles__thumb--classic i:nth-child(4) { right: 4px; top: 18px; width: 13px; height: 4px; background: var(--sand-600); }
.istyles__thumb--classic i:nth-child(5) { left: 4px; right: 4px; top: 27px; height: 8px; background: repeating-linear-gradient(var(--sand-300) 0 2px, transparent 2px 4px); }
.istyles__thumb--bold i:nth-child(1) { left: 0; right: 0; top: 0; height: 6px; }
.istyles__thumb--bold i:nth-child(2) { left: 4px; top: 10px; width: 7px; height: 7px; }
.istyles__thumb--bold i:nth-child(3) { right: 4px; top: 10px; width: 13px; height: 6px; background: var(--sand-600); }
.istyles__thumb--bold i:nth-child(4) { left: 4px; top: 21px; width: 12px; height: 2px; }
.istyles__thumb--bold i:nth-child(5) { left: 4px; right: 4px; top: 27px; height: 8px; background: repeating-linear-gradient(var(--sand-300) 0 2px, transparent 2px 4px); }
.istyles__thumb--sidebar i:nth-child(1) { left: 11px; top: 0; bottom: 0; width: 1.5px; border-radius: 0; }
.istyles__thumb--sidebar i:nth-child(2) { left: 3px; top: 4px; width: 5px; height: 5px; background: var(--is-accent); }
.istyles__thumb--sidebar i:nth-child(3) { left: 3px; bottom: 4px; width: 6px; height: 4px; background: var(--sand-600); }
.istyles__thumb--sidebar i:nth-child(4) { left: 15px; top: 5px; width: 10px; height: 3px; }
.istyles__thumb--sidebar i:nth-child(5) { left: 15px; right: 3px; top: 13px; height: 14px; background: repeating-linear-gradient(var(--sand-300) 0 2px, transparent 2px 4px); }
.istyles__thumb--overlay i:nth-child(1) { left: 0; right: 0; top: 0; height: 13px; border-radius: 0; opacity: .45; }
.istyles__thumb--overlay i:nth-child(2) { left: 3px; right: 3px; top: 8px; height: 12px; border-radius: var(--r-hair); background: var(--bg-panel); box-shadow: var(--shadow-sm); }
.istyles__thumb--overlay i:nth-child(3) { right: 6px; top: 11px; width: 8px; height: 4px; background: var(--sand-600); }
.istyles__thumb--overlay i:nth-child(4) { left: 6px; top: 12px; width: 8px; height: 2px; }
.istyles__thumb--overlay i:nth-child(5) { left: 4px; right: 4px; top: 25px; height: 10px; background: repeating-linear-gradient(var(--sand-300) 0 2px, transparent 2px 4px); }

.istyles__swatches { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.istyles__sw { display: block; width: 32px; height: 32px; border-radius: 50%; background: var(--c); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--bg-panel) 18%, transparent); transition: box-shadow .2s, transform .2s; }
.istyles__opt:hover .istyles__sw { transform: scale(1.08); }
.istyles__opt input:checked + .istyles__sw { box-shadow: 0 0 0 2px var(--is-panel), 0 0 0 4px var(--is-text); }
.istyles__opt input:focus-visible + .istyles__sw { outline-offset: 5px; }
.istyles__custom { display: inline-flex; align-items: center; gap: 8px; margin-left: 2px; padding: 3px 3px 3px 3px; border: 1px solid var(--is-line); border-radius: var(--r-pill); }
.istyles__custom input[type="color"] { width: 28px; height: 28px; padding: 0; border: 0; border-radius: var(--r-pill); background: conic-gradient(var(--overdue-fg), var(--gold-bright), var(--paid-fg), var(--sent-fg), var(--partial-fg), var(--overdue-fg)); cursor: pointer; -webkit-appearance: none; appearance: none; }
.istyles__custom input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.istyles__custom input[type="color"]::-webkit-color-swatch { border: 0; border-radius: 50%; opacity: 0; }
.istyles__custom input[type="color"]::-moz-color-swatch { border: 0; border-radius: 50%; opacity: 0; }
.istyles__custom input[type="text"] { width: 84px; padding: 4px 10px 4px 0; border: 0; background: none; font: inherit; font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--is-text); }
.istyles__custom input[type="text"]:focus { outline: none; }
.istyles__custom:focus-within { border-color: var(--is-gold); }
.istyles__custom input[aria-invalid="true"] { color: var(--overdue-fg); }
.istyles__contrast { min-height: 2.8em; margin-top: 10px; font-size: var(--fs-xs); line-height: 1.5; color: var(--is-muted); }

.istyles__stage { margin: 0; min-width: 0; }
.istyles__sheet.is-fitted { position: relative; }
.istyles__sheet.is-fitted > .paper { position: absolute; left: var(--is-sheet-left, 0); top: var(--is-sheet-top, 0); width: 840px; max-width: none; transform: scale(var(--is-sheet-scale, 1)); transform-origin: top left; }
.istyles__fallback { width: 100%; height: auto; border-radius: var(--r-lg); background: var(--bg-panel); box-shadow: var(--shadow-pop); }
.istyles .paper { box-shadow: var(--shadow-card); }
.istyles__caption { display: flex; flex-wrap: wrap; gap: 4px 10px; justify-content: center; margin-top: 18px; font-size: var(--fs-sm); color: var(--is-muted); }
.istyles__caption b { font-weight: 600; color: var(--is-text); }

.istyles__enlarge { display: flex; align-items: center; gap: var(--icon-gap-md); margin: 12px auto 0; padding: 8px 12px; min-height: 44px; border: 1px solid var(--field-border); border-radius: var(--r-sm); background: var(--bg-panel); color: var(--ink); font: 500 var(--fs-xs) var(--font-sans); cursor: pointer; }
dialog.bg-dialog.istyles__dialog { width: min(920px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); margin: auto; padding: 0; overflow: auto; border: 1px solid var(--line); border-radius: var(--r-xl); background: var(--bg-app); color: var(--ink); box-shadow: var(--shadow-dialog); }
.istyles__dialog::backdrop { background: color-mix(in srgb, var(--ink) 55%, transparent); }
.istyles__dialog-head { position: sticky; top: 0; z-index: var(--z-sticky); display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 20px; background: var(--bg-panel); border-bottom: 1px solid var(--line); }
.istyles .istyles__dialog-head h2 { font: 600 var(--fs-sm) var(--font-sans); letter-spacing: 0; }
.istyles__dialog-head button { display: inline-flex; align-items: center; gap: var(--icon-gap-md); min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--bg-panel); color: var(--ink); cursor: pointer; white-space: nowrap; }
.istyles__dialog-paper { padding: 24px; }
.istyles__dialog-paper .paper { width: 100%; box-shadow: var(--shadow-pop); }
body:has(.istyles__dialog[open]) { overflow: hidden; }
html:not(.js) .istyles__studio, .istyles.is-static .istyles__studio { display: block; }
html:not(.js) .istyles__stage, .istyles.is-static .istyles__stage { max-width: 600px; margin-inline: auto; }

/* ---------- the call to action ---------- */
.istyles__cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 28px; margin-top: 28px; }
.istyles .btn--primary { background: var(--ink); color: var(--bg-panel); }
.istyles .btn--primary:hover { background: var(--sand-700); }
.istyles__more { display: inline-flex; align-items: center; gap: var(--icon-gap-sm); font-weight: 600; color: var(--is-gold); text-decoration: none; }
.istyles__more .bg-icon { transition: translate .2s var(--ease-out); }
.istyles__more:hover .bg-icon { translate: 3px 0; }
.istyles__note { flex-basis: 100%; text-align: center; font-size: var(--fs-sm); color: var(--is-soft); }

/* Feature pages keep the interactive paper within the site's light editorial shell. */
.istyles--feature {
  --is-panel: var(--paper);
  --is-gold: var(--ink);
  padding-block: 32px 40px;
  border: 0;
}
.istyles--feature .istyles__head { max-width: var(--site-max); text-align: left; }
.istyles--feature .istyles__head h2 { margin-top: 0; font-size: clamp(28px, 3vw, 38px); }
.istyles--feature .istyles__head .lead { max-width: 48em; margin: 12px 0 0; font-size: var(--fs-body); }
.istyles--feature .istyles__studio { margin-top: 24px; }
.istyles--feature .istyles__opt:hover :is(.istyles__biz, .istyles__layout) { border-color: var(--field-border); }
.istyles--feature .istyles__opt input:checked + :is(.istyles__biz, .istyles__layout) { background: var(--bg-panel); }
.istyles--feature .istyles__cta { justify-content: flex-start; margin-top: 32px; }

@media (max-width: 960px) {
  .istyles__studio { grid-template-columns: minmax(0, 1fr); }
  .istyles__controls { position: static; grid-template-columns: 1fr 1fr; }
  .istyles__controls .istyles__group:first-child { grid-column: 1 / -1; }
  .istyles__bizs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .istyles__studio { padding: 14px; margin-top: 28px; }
  .istyles__controls { grid-template-columns: minmax(0, 1fr); padding: 16px; gap: 18px; }
  .istyles__bizs { grid-template-columns: minmax(0, 1fr); }
  .istyles__biz { flex-direction: row; align-items: center; gap: 11px; padding: 10px 11px; }
  .istyles__biz b { font-size: var(--fs-sm); hyphens: auto; }
  .istyles__biz small { font-size: var(--fs-xs); }
  .istyles__layouts { grid-template-columns: 1fr 1fr; }
  dialog.bg-dialog.istyles__dialog { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); }
  .istyles__dialog-head { padding: 10px 12px; gap: 10px; }
  .istyles .istyles__dialog-head h2 { font-size: var(--fs-xs); }
  .istyles__dialog-paper { padding: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .istyles__sw, .istyles__biz, .istyles__layout { transition: none; }
  .istyles__more .bg-icon { transition: none; }
}