:root{--primary-blue:#1e5292;--dark-blue:#164175;--orange-gold:#ffa726;--white:#fff;--light-bg:#f9f9f9;--text-dark:#222;--text-medium:#444;--border-color:#ccc}.author-detail-page{color:var(--text-dark);background:#fff;min-height:100vh;font-family:sans-serif,serif;font-size:12px;line-height:1.5}.author-detail-page.loading,.author-detail-page.error{color:var(--text-medium);flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:60px 20px;font-size:14px;display:flex}.spinner{border:4px solid #e0e0e0;border-top-color:var(--primary-blue);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.product-hero{background:var(--primary-blue);color:#fff;padding:14px 15px}.hero-content{align-items:center;gap:20px;max-width:1400px;margin:0 auto;display:flex}.product-hero h1{letter-spacing:1px;text-transform:uppercase;text-align:center;flex:1;margin:0;font-family:Georgia,Times New Roman,serif;font-size:15px;font-weight:700}.back-btn{color:#fff;cursor:pointer;white-space:nowrap;background:0 0;border:none;align-items:center;gap:10px;padding:7px 0;font-size:16px;font-weight:700;text-decoration:none;transition:opacity .2s;display:inline-flex}.back-btn:hover{opacity:.8}.product-wrapper-details{max-width:1400px;margin:20px auto;padding:0 15px 40px}.author-profile-section{border:1px solid var(--border-color);background:#fff;margin-bottom:20px;padding:20px}.profile-grid{border-bottom:3px double var(--primary-blue);grid-template-columns:180px 1fr;gap:20px;margin-bottom:15px;padding-bottom:18px;display:grid}.profile-grid.no-image{grid-template-columns:1fr}.author-image-wrap{width:180px;position:relative}.author-image{border:1px solid var(--border-color);width:100%;height:auto;display:block}.verified-badge{color:#fff;background:#2e7d32;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;font-size:13px;display:flex;position:absolute;bottom:6px;right:6px}.author-details-main{flex-direction:column;gap:12px;display:flex}.author-name{color:var(--dark-blue);text-transform:uppercase;letter-spacing:.5px;margin:0;font-family:Georgia,Times New Roman,serif;font-size:20px;font-weight:700}.author-name .name-verified{vertical-align:middle;color:#fff;background:#2e7d32;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;margin-left:10px;font-size:11px;display:inline-flex}.author-designation{color:var(--text-medium);border-bottom:1px solid var(--border-color);overflow-wrap:break-word;word-break:break-word;margin:0;padding-bottom:12px;font-size:12px;font-style:italic}.author-stats-table{border:1px solid #dde3ed;border-left:4px solid var(--primary-blue);border-radius:6px;margin-top:4px;overflow:hidden;box-shadow:0 1px 4px #1e52920f}.stat-row{background:#fff;border-bottom:1px solid #edf0f5;justify-content:space-between;align-items:center;gap:12px;padding:9px 14px;font-size:12px;transition:background .15s;display:flex}.stat-row:nth-child(2n){background:#f7f9fd}.stat-row:last-child{border-bottom:none}.stat-row:hover{background:#eef3fb}.stat-row strong{color:var(--primary-blue);text-transform:uppercase;letter-spacing:.5px;flex-shrink:0;min-width:90px;font-size:11px;font-weight:700}.stat-row span{color:var(--text-dark);text-align:right;overflow-wrap:break-word;word-break:break-word;min-width:0;font-weight:500}.social-row{flex-wrap:wrap;align-items:center;gap:8px;padding-top:4px;display:flex}.social-label{color:var(--dark-blue);text-transform:uppercase;letter-spacing:.5px;font-family:Georgia,serif;font-size:11px;font-weight:700}.social-link{background:var(--primary-blue);color:#fff;border:1px solid var(--primary-blue);cursor:pointer;align-items:center;gap:5px;padding:4px 10px;font-size:11px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.social-link:hover{color:var(--primary-blue);background:0 0}.section-block{border:1px solid var(--border-color);background:#fff;margin-bottom:20px}.section-heading{background:var(--primary-blue);color:#fff;letter-spacing:.8px;text-transform:uppercase;align-items:center;gap:8px;padding:8px 15px;font-family:Georgia,Times New Roman,serif;font-size:13px;font-weight:700;display:flex}.section-heading svg{color:var(--orange-gold);flex-shrink:0}.section-body{padding:15px}.biography-text{color:var(--text-dark);text-align:justify;margin-bottom:10px;font-size:12px;line-height:1.7}.biography-text:last-of-type{margin-bottom:0}.expertise-subheading{color:var(--dark-blue);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--primary-blue);align-items:center;gap:6px;margin:15px 0 10px;padding-bottom:6px;font-family:Georgia,serif;font-size:12px;font-weight:700;display:flex}.expertise-subheading svg{color:var(--orange-gold)}.expertise-tags{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.tag{background:var(--light-bg);color:var(--primary-blue);border:1px solid var(--primary-blue);cursor:pointer;padding:4px 12px;font-family:Georgia,serif;font-size:11px;font-weight:600;transition:all .2s}.tag:hover{background:var(--primary-blue);color:#fff}.chapter-list{flex-direction:column;display:flex}.chapter-card{border-bottom:1px solid var(--border-color);cursor:pointer;background:#fff;flex-direction:row;align-items:flex-start;gap:0;padding:14px 15px;transition:background .15s;display:flex}.chapter-card:first-child{border-top:1px solid var(--border-color)}.chapter-card:hover{background:#fafcff}.chapter-cover{flex-shrink:0;width:64px;margin-right:14px}.chapter-cover img{border:1px solid var(--border-color);width:64px;height:auto;display:block;box-shadow:1px 2px 4px 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#1e3c7266}.scroll-top-btn.visible{display:flex}.scroll-top-btn:hover{background:var(--dark-blue)}@media (max-width:768px){.product-wrapper-details{margin:15px auto;padding:0 12px 30px}.profile-grid{grid-template-columns:1fr}.author-image-wrap{width:140px;margin:0 auto}.author-details-main{text-align:center}.stat-row{align-items:flex-start;gap:2px}.stat-row span{text-align:left}.social-row{justify-content:center}.chapter-cover,.chapter-cover img{width:52px}}@media (max-width:480px){.product-wrapper-details{margin:10px auto;padding:0 10px 24px}.author-profile-section{padding:14px}.author-name{font-size:16px}.section-body{padding:12px}.chapter-card{flex-direction:column;gap:10px;padding:12px}.chapter-cover{width:48px;margin-right:0}.chapter-cover img{width:48px}.expertise-tags{gap:4px}.section-heading{padding:7px 12px;font-size:12px}}@media (max-width:360px){.product-wrapper-details{padding:0 8px 20px}.author-profile-section{padding:10px}.author-name{font-size:14px}.author-designation{font-size:11px}.chapter-card{padding:10px}.chapter-card-title{font-size:13px}.chapter-card-abstract,.chapter-card-meta{font-size:11px}.stat-row{padding:5px 8px}.section-heading{letter-spacing:.4px;padding:6px 10px;font-size:11px}}