.rb-section { padding: 28px 0 56px; }
.rb-wrap { max-width: 1320px; }
.rb-loading { padding: 60px; text-align: center; color: var(--ink-soft); }
.rb-bar { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: center; padding: 14px 18px; margin-bottom: 16px; }
.rb-bar-g { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rb-bar-g > span { font-size: .85rem; font-weight: 700; color: var(--ink-soft); }
.rb-bar-end { margin-inline-start: auto; }
.rb-chip { border: 1.5px solid var(--border, #e3ddcc); background: #fff; border-radius: 999px; padding: 6px 14px; font: inherit; font-size: .88rem; font-weight: 700; cursor: pointer; color: var(--ink); }
.rb-chip.on { border-color: var(--violet, #8b5cf6); background: #f3eeff; color: #4c2bb5; }
.rb-swatch { width: 26px; height: 26px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 0 0 1.5px #d6d0c0; cursor: pointer; padding: 0; }
.rb-swatch.on { box-shadow: 0 0 0 2.5px var(--ink); }
.rb-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 560px); gap: 22px; align-items: start; }
.rb-tabs { display: none; }
.rb-sticky { position: sticky; top: 84px; }
.rb-form { display: flex; flex-direction: column; gap: 12px; }
.rb-sec { padding: 0; overflow: hidden; }
.rb-sec > summary { cursor: pointer; list-style: none; padding: 15px 18px; font-weight: 800; font-size: 1.02rem; display: flex; align-items: center; gap: 8px; }
.rb-sec > summary::-webkit-details-marker { display: none; }
.rb-sec > summary::after { content: "+"; margin-inline-start: auto; font-size: 1.2rem; color: var(--ink-soft); }
.rb-sec[open] > summary::after { content: "–"; }
.rb-sec > summary small { font-weight: 500; color: var(--ink-soft); font-size: .8rem; }
.rb-sec-body { padding: 0 18px 18px; }
.rb-hint { font-size: .84rem; color: var(--ink-soft); margin: 0 18px 10px; line-height: 1.8; }
.rb-form > .rb-hint { margin: 4px 4px 0; }
.rb-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.rb-field { display: flex; flex-direction: column; gap: 4px; font-size: .82rem; font-weight: 700; color: var(--ink-soft); min-width: 0; }
.rb-field.rb-wide { grid-column: 1 / -1; }
.rb-field input, .rb-field select, .rb-field textarea, .rb-sec-body > textarea, .rb-sec-body > input {
  text-align: start;
  width: 100%; box-sizing: border-box; border: 1.5px solid var(--border, #e3ddcc); border-radius: 10px; padding: 9px 11px; font: inherit; font-size: .93rem; font-weight: 500; color: var(--ink); background: #fff; }
.rb-field input:focus, .rb-field select:focus, .rb-field textarea:focus, .rb-sec-body > textarea:focus, .rb-sec-body > input:focus { outline: none; border-color: var(--violet, #8b5cf6); box-shadow: 0 0 0 3px rgba(139, 92, 246, .14); }
.rb-field textarea, .rb-sec-body > textarea { resize: vertical; line-height: 1.7; }
.rb-item { border: 1.5px dashed var(--border, #e3ddcc); border-radius: 14px; padding: 12px; margin-bottom: 10px; background: var(--paper-dim, #fbf9f2); }
.rb-item-tools { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.rb-item-n { width: 24px; height: 24px; border-radius: 50%; background: var(--ink); color: #fff; font-size: .78rem; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; margin-inline-end: auto; }
.rb-item-tools button { border: 1px solid var(--border, #e3ddcc); background: #fff; border-radius: 8px; width: 30px; height: 28px; cursor: pointer; font-size: .85rem; color: var(--ink-soft); }
.rb-item-tools button[data-act="del"]:hover { color: #c0392b; border-color: #e8b4ad; }
.rb-compact .rb-fields { grid-template-columns: 2fr 1fr; }
.rb-add { margin-top: 2px; }
.rb-check { display: flex; gap: 8px; align-items: center; margin-top: 12px; font-size: .86rem; color: var(--ink-soft); }
.rb-photo { display: flex; gap: 16px; align-items: center; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border, #e3ddcc); }
.rb-photo-img { width: 84px; height: 112px; border-radius: 10px; background: #eef0f4; display: flex; align-items: center; justify-content: center; font-size: 2rem; overflow: hidden; flex: none; }
.rb-photo-img img { width: 100%; height: 100%; object-fit: cover; }
.rb-photo p { font-size: .82rem; margin: 4px 0 8px; }
.rb-photo .btn { cursor: pointer; }
.rb-buy { padding: 16px 18px; margin-top: 12px; }
.rb-buy .rb-hint { margin: 10px 0 0; }
.rb-price { margin: 0 0 10px; font-size: .98rem; }
.rb-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 900px; margin: 0 auto; }
.rb-choice { display: flex; flex-direction: column; gap: 10px; padding: 28px; text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; }
.rb-choice:hover { transform: translateY(-3px); box-shadow: var(--shadow-pop); }
.rb-choice-i { font-size: 2.4rem; }
.rb-choice strong { font-size: 1.25rem; }
.rb-paper-wrap { position: relative; overflow: hidden; border-radius: 6px; box-shadow: 0 24px 50px -24px rgba(20, 20, 40, .45), 0 0 0 1px rgba(0, 0, 0, .06); background: #fff; }
.rb-paper { --acc: #1F3A5F; position: absolute; top: 0; left: 0; width: 794px; min-height: 1123px; transform-origin: 0 0; background: #fff;
  background-image: repeating-linear-gradient(180deg, transparent 0 1121px, #c9c3b4 1121px 1123px); color: #1f2328; box-sizing: border-box;
  font-size: 13.4px; line-height: 1.45; padding: 49px 53px; text-align: start; }
html[dir="rtl"] .rb-paper { left: auto; right: 0; transform-origin: 100% 0; }
.rb-paper.rb-fa { font-family: "B Nazanin", "Vazirmatn", Tahoma, sans-serif; font-size: 14.6px; }
.rb-paper.rb-en { font-family: "Times New Roman", Tinos, "Liberation Serif", serif; }
.rb-paper p { margin: 0 0 3px; }
.rb-paper .j { text-align: justify; }
.rb-paper .sm { font-size: .92em; }
.rb-paper .soft { color: #4b5563; }
.rb-paper b { font-weight: 700; }
.rb-paper h3 { margin: 15px 0 6px; padding-bottom: 3px; border-bottom: 1px solid var(--acc); color: var(--acc); font-size: 1.24em; font-weight: 700; break-after: avoid; }
.rb-paper .nm { font-size: 2.15em; font-weight: 700; color: var(--acc); line-height: 1.2; }
.rb-paper .tt { font-size: 1.2em; color: #4b5563; margin: 2px 0 6px; }
.rb-paper .e { margin-top: 7px; }
.rb-paper .et { font-weight: 700; font-size: 1.05em; }
.rb-paper .es { color: #4b5563; font-size: .95em; }
.rb-paper .es i { font-style: normal; padding: 0 8px; color: #9aa0a8; }
.rb-paper .es b { color: var(--acc); }
.rb-paper .ex { color: #4b5563; font-size: .95em; }
.rb-paper ul { margin: 3px 0 0; padding-inline-start: 18px; list-style: disc; }
.rb-paper li { margin: 1px 0; }
.rb-paper li::marker { color: var(--acc); }
.rb-paper .dots { color: var(--acc); font-size: .8em; letter-spacing: 1px; }
.rb-paper .two { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.rb-paper .acc { color: var(--acc); }
.rb-paper .grp { font-weight: 700; color: #4b5563; margin-top: 6px; }
.rb-paper .pub { margin-bottom: 4px; }
.rb-wm { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; font: 800 64px/1 Vazirmatn, sans-serif; color: rgba(120, 110, 150, .1); transform: rotate(-28deg); white-space: nowrap; }
.rb-work-modern { padding: 0; }
.rb-paper .wm { display: grid; grid-template-columns: 234px 1fr; min-height: 1123px; }
.rb-paper .wm aside { background: color-mix(in srgb, var(--acc) 10%, #fff); padding: 30px 22px; }
.rb-paper .wm main { padding: 40px 34px 40px 28px; }
.rb-paper[dir="rtl"] .wm main { padding: 40px 28px 40px 34px; }
.rb-paper .wm aside h3 { font-size: 1.08em; margin-top: 14px; }
.rb-paper .wm aside p { margin-bottom: 4px; overflow-wrap: anywhere; }
.rb-paper .ph { display: block; width: 136px; height: 181px; object-fit: cover; margin: 0 auto 10px; }
.rb-paper .wc-head { display: flex; gap: 20px; align-items: center; }
.rb-paper .wc-head .ph { width: 120px; height: 160px; margin: 0; flex: none; }
.rb-paper .ac .ah { text-align: center; }
.rb-paper .ac:not(.am) .nm { color: #1f2328; }
.rb-paper .ac:not(.am) h3 { color: #1f2328; border-color: #1f2328; }
.rb-paper.rb-en .ac:not(.am) h3 { text-transform: uppercase; letter-spacing: .02em; }
.rb-paper .am .ah { text-align: start; border-bottom: 3px solid var(--acc); padding-bottom: 8px; margin-bottom: 4px; }
@media (max-width: 980px) {
  .rb-grid { grid-template-columns: 1fr; }
  .rb-tabs { display: flex; gap: 6px; position: sticky; top: 64px; z-index: 5; background: var(--paper, #fbf9f2); padding: 6px 0 10px; }
  .rb-tabs button { flex: 1; border: 1.5px solid var(--border, #e3ddcc); background: #fff; border-radius: 12px; padding: 10px; font: inherit; font-weight: 800; cursor: pointer; }
  .rb-tabs button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
  .rb-grid[data-tab="form"] .rb-side .rb-paper-wrap, .rb-grid[data-tab="form"] .rb-side > .rb-sticky > .rb-hint { display: none; }
  .rb-grid[data-tab="prev"] .rb-form { display: none; }
  .rb-sticky { position: static; }
}
@media (max-width: 640px) {
  .rb-fields, .rb-compact .rb-fields { grid-template-columns: 1fr; }
  .rb-choices { grid-template-columns: 1fr; }
  .rb-bar { padding: 12px; }
  .rb-bar-end { margin-inline-start: 0; }
}