:root{--bdn-blue:#135a73;--bdn-green:#4c7a52;--bdn-brown:#b08355;--bdn-text:#1f2d35;--bdn-muted:#68777f;--bdn-border:#dce4e7;--bdn-bg:#f5f8f9}.bdn-home-section,.bdn-archive-page,.bdn-single-page{direction:rtl}.bdn-home-section{margin:28px 0;padding:22px;background:#fff;border:1px solid var(--bdn-border);border-radius:16px;box-shadow:0 8px 30px rgba(22,55,68,.06)}.bdn-section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.bdn-section-heading h2{margin:0;color:var(--bdn-blue);font-size:25px}.bdn-section-heading a{color:var(--bdn-green);font-weight:700}.bdn-issue-card{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;background:#fff;border:1px solid var(--bdn-border);border-radius:14px;padding:16px;overflow:hidden}.bdn-issue-card.is-featured{background:linear-gradient(135deg,#fff 0%,#f3f8f9 100%)}.bdn-cover{display:block;aspect-ratio:3/4;border-radius:10px;overflow:hidden;background:var(--bdn-blue);box-shadow:0 10px 22px rgba(20,60,75,.18)}.bdn-cover img{width:100%;height:100%;object-fit:cover}.bdn-cover-placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;padding:15px}.bdn-cover-placeholder strong{font-size:28px}.bdn-cover-placeholder small{font-size:16px;margin-top:7px}.bdn-issue-body{display:flex;flex-direction:column;justify-content:center}.bdn-issue-label{color:var(--bdn-green);font-weight:800;font-size:14px}.bdn-issue-body h3{font-size:27px;line-height:1.45;margin:9px 0}.bdn-issue-body h3 a{color:var(--bdn-text);text-decoration:none}.bdn-issue-body p{color:var(--bdn-muted);font-size:16px;line-height:1.85;margin:0 0 12px}.bdn-issue-stats{display:flex;gap:18px;color:var(--bdn-muted);font-size:13px;margin-bottom:16px}.bdn-issue-actions{display:flex;gap:10px;flex-wrap:wrap}.bdn-btn{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:8px 18px;border-radius:8px;text-decoration:none!important;font-weight:800}.bdn-btn-primary{background:var(--bdn-blue);color:#fff!important}.bdn-btn-light{background:#eef4f5;color:var(--bdn-blue)!important}.bdn-archive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.bdn-archive-grid .bdn-issue-card{grid-template-columns:130px minmax(0,1fr)}.bdn-archive-grid .bdn-issue-body h3{font-size:19px}.bdn-empty{padding:24px;text-align:center;background:var(--bdn-bg);border:1px dashed var(--bdn-border);border-radius:12px;color:var(--bdn-muted)}.bdn-page-shell{width:min(1180px,calc(100% - 28px));margin:32px auto}.bdn-page-header{text-align:center;margin-bottom:28px}.bdn-page-header h1{font-size:38px;color:var(--bdn-blue);margin-bottom:8px}.bdn-single-hero{display:grid;grid-template-columns:300px minmax(0,1fr);gap:34px;align-items:center;background:#fff;border:1px solid var(--bdn-border);border-radius:18px;padding:24px;box-shadow:0 10px 35px rgba(22,55,68,.07)}.bdn-single-cover img,.bdn-single-cover .bdn-cover-placeholder{width:100%;aspect-ratio:3/4;border-radius:12px;object-fit:cover;background:var(--bdn-blue)}.bdn-single-info h1{font-size:36px;line-height:1.35;margin:8px 0 14px;color:var(--bdn-text)}.bdn-single-meta{color:var(--bdn-green);font-weight:800}.bdn-single-description{font-size:17px;line-height:1.9;color:var(--bdn-muted)}.bdn-reader{margin-top:28px;background:#fff;border:1px solid var(--bdn-border);border-radius:16px;padding:16px}.bdn-reader iframe{width:100%;height:82vh;min-height:650px;border:0;border-radius:10px;background:#eef2f3}.bdn-materials{margin-top:28px;background:#fff;border:1px solid var(--bdn-border);border-radius:16px;padding:22px}.bdn-materials h2{color:var(--bdn-blue)}.bdn-materials ol{line-height:1.9}.bdn-materials a{color:var(--bdn-blue);font-weight:700}.bdn-share-note{font-size:13px;color:var(--bdn-muted);margin-top:12px}@media(max-width:850px){.bdn-issue-card,.bdn-single-hero{grid-template-columns:1fr}.bdn-cover{max-width:320px;margin:auto;width:100%}.bdn-archive-grid{grid-template-columns:1fr}.bdn-archive-grid .bdn-issue-card{grid-template-columns:120px minmax(0,1fr)}.bdn-single-cover{max-width:340px;margin:auto}.bdn-reader iframe{height:68vh;min-height:500px}}@media(max-width:520px){.bdn-home-section{padding:14px}.bdn-section-heading{align-items:flex-start}.bdn-section-heading h2{font-size:21px}.bdn-issue-card,.bdn-archive-grid .bdn-issue-card{grid-template-columns:1fr}.bdn-archive-grid .bdn-cover{max-width:230px}.bdn-issue-body h3,.bdn-single-info h1{font-size:24px}.bdn-page-header h1{font-size:30px}.bdn-reader iframe{min-height:430px}.bdn-issue-actions .bdn-btn{width:100%}}