:root{
  --rb-ink:#17120d;--rb-brown:#6d430d;--rb-brown-light:#a07a3a;--rb-brown-pale:#c9a96e;
  --rb-line:rgba(109,67,13,.16);--rb-soft:rgba(255,251,245,.82);--rb-soft-2:rgba(255,255,255,.62);
  --rb-chip:rgba(109,67,13,.06);--rb-shadow:0 16px 38px rgba(58,38,16,.07);--rb-shadow-h:0 18px 36px rgba(58,38,16,.12);--rb-r:22px
}
.rb-book-index, .rb-book-index *, .rb-book-index *::before, .rb-book-index *::after{box-sizing:border-box}
.rb-book-index{font-family:"Heebo",sans-serif;width:100%;max-width:1280px;margin:0 auto;padding:24px 16px 48px;color:var(--rb-ink);direction:rtl}
.rb-book-index a{text-decoration:none;color:inherit;-webkit-tap-highlight-color:transparent}
.rb-book-index img{max-width:100%;height:auto;display:block}
.rb-book-layout{display:grid;grid-template-columns:370px 1fr;gap:24px;align-items:start}
.rb-book-box{background:linear-gradient(180deg,var(--rb-soft),var(--rb-soft-2));border:1px solid var(--rb-line);border-radius:var(--rb-r);box-shadow:var(--rb-shadow);backdrop-filter:blur(6px)}
.rb-book-sidebar{padding:24px;position:sticky;top:18px;overflow:hidden}
.rb-book-audio-badge{position:absolute;top:16px;left:16px;z-index:3;display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.82);border:1px solid rgba(109,67,13,.16);box-shadow:0 8px 20px rgba(109,67,13,.08);font-size:13px;font-weight:700;color:var(--rb-brown)}
.rb-book-cover-wrap{position:relative;z-index:1;display:flex;justify-content:center;margin:16px 0 20px}
.rb-book-cover{width:100%;max-width:240px;border-radius:16px;background:#fff;object-fit:contain;box-shadow:0 16px 36px rgba(66,45,18,.14)}
.rb-book-title{position:relative;z-index:1;margin:6px 0 6px;font-family:"Amiri",serif !important;font-size:clamp(38px,5vw,60px);line-height:1.08;font-weight:700;letter-spacing:-.2px}
.rb-book-author{position:relative;z-index:1;margin:0 0 14px;font-size:18px;color:var(--rb-brown);font-weight:500}
.rb-book-pills{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.rb-book-pill{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.58);border:1px solid rgba(109,67,13,.12);font-size:13px;color:#5c4a31}
.rb-book-pill.is-accent{background:rgba(109,67,13,.08);border-color:rgba(109,67,13,.18);color:var(--rb-brown);font-weight:700}
.rb-book-divider{height:1px;background:rgba(109,67,13,.12);margin:16px 0;position:relative;z-index:1}
.rb-book-side-title{position:relative;z-index:1;font-size:14px;font-weight:700;color:var(--rb-brown);margin:0 0 8px}
.rb-book-side-text{position:relative;z-index:1;font-size:15.5px;line-height:1.95;color:#30261d}
.rb-book-main{display:flex;flex-direction:column;gap:18px;min-width:0}
.rb-book-topbar{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.rb-book-topbar-stats{display:flex;flex-wrap:wrap;gap:10px}
.rb-book-stat{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:999px;background:var(--rb-chip);border:1px solid rgba(109,67,13,.10);color:#5e4d37;font-size:14px}
.rb-book-volume{padding:11px 18px;border-radius:999px;background:var(--rb-brown);color:#fffdf8;font-size:14px;font-weight:700;border:none;box-shadow:0 10px 22px rgba(109,67,13,.16)}
.rb-book-content{padding:22px}
.rb-book-header{display:grid;grid-template-columns:1fr minmax(250px,340px);gap:16px;align-items:end;margin-bottom:16px}
.rb-book-header h2{font-family:"Amiri",serif !important;font-size:clamp(28px,3vw,42px);line-height:1.1;margin:0}
.rb-book-header p{margin:6px 0 0;color:#6c5b49;font-size:15px;line-height:1.7}

.rb-book-search{position:relative;width:100%;display:block}
.rb-book-search input{width:100%;height:50px;border-radius:16px;border:1px solid rgba(109,67,13,.16);background:rgba(255,255,255,.78);padding:0 46px 0 46px;outline:none;font-family:inherit;font-size:16px;color:var(--rb-ink);transition:.2s ease}
.rb-book-search input:focus{border-color:rgba(109,67,13,.35);box-shadow:0 0 0 4px rgba(109,67,13,.08)}
.rb-book-search-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:#8b704c;pointer-events:none}
.rb-book-search-clear{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:26px;height:26px;border:none;background:rgba(109,67,13,.08);color:#7d5d2d;border-radius:50%;display:none;align-items:center;justify-content:center;cursor:pointer;font-size:16px;padding:0;transition:0.2s}
.rb-book-search-clear:hover{background:rgba(109,67,13,.15)}

.rb-book-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.rb-book-result{color:#6e5e4c;font-size:14px;font-weight:500}
.rb-book-letters{display:flex;flex-wrap:wrap;gap:7px}
.rb-book-letters button{border:none;cursor:pointer;min-width:37px;height:37px;padding:0 9px;border-radius:11px;background:rgba(109,67,13,.05);border:1px solid rgba(109,67,13,.12);color:var(--rb-brown);font-family:inherit;font-size:14px;font-weight:700;transition:.18s}
.rb-book-letters button:hover{background:rgba(109,67,13,.10)}
.rb-book-letters button.is-active{background:var(--rb-brown);color:#fff;border-color:var(--rb-brown);box-shadow:0 6px 14px rgba(109,67,13,.16)}

.rb-book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.rb-book-item{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:76px;padding:14px 16px;border-radius:16px;border:1px solid rgba(109,67,13,.10);background:rgba(255,255,255,.68);transition:.18s ease}
.rb-book-item:hover{transform:translateY(-2px);border-color:rgba(109,67,13,.22);background:rgba(255,255,255,.92);box-shadow:var(--rb-shadow-h)}
.rb-book-item-body{min-width:0;flex:1}
.rb-book-item-meta{font-size:13px;color:var(--rb-brown-pale);font-weight:700;margin-bottom:3px}
.rb-book-item-title{font-size:17px;font-weight:700;line-height:1.3;color:#1d1611;word-break:break-word}
.rb-book-item-icon{width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:grid;place-items:center;background:rgba(109,67,13,.05);border:1px solid rgba(109,67,13,.08);color:var(--rb-brown-light);transition:.18s ease}
.rb-book-item:hover .rb-book-item-icon{background:var(--rb-brown);color:#fff;border-color:var(--rb-brown)}

.rb-book-empty{display:none;padding:32px 14px;text-align:center;color:#6e5d4a;font-size:16px}
.rb-book-note{margin-top:18px;padding:16px;border-radius:16px;background:rgba(109,67,13,.04);border:1px solid rgba(109,67,13,.10);display:flex;gap:12px;align-items:flex-start}
.rb-book-note p{font-size:14px;line-height:1.9;color:#6a5a47;margin:0}
.rb-book-note strong{color:var(--rb-brown)}

@media(max-width:1100px){.rb-book-layout{grid-template-columns:1fr}.rb-book-sidebar{position:relative;top:auto}.rb-book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.rb-book-index{padding:16px 10px 32px}.rb-book-sidebar,.rb-book-content,.rb-book-topbar{padding:16px}.rb-book-header{grid-template-columns:1fr}.rb-book-grid{grid-template-columns:1fr}.rb-book-title{font-size:42px}.rb-book-topbar{flex-direction:column;align-items:stretch}.rb-book-volume{text-align:center}}