:root{--primary-blue:#1e5292;--dark-blue:rgb(22,65,117);--orange-gold:rgb(255,167,38);--white:#fff;--light-bg:#f9f9f9;--text-dark:#222;--text-medium:#444;--border-color:#ccc}.author-detail-page{font-family:sans-serif,serif;background:#fff;color:var(--text-dark);line-height:1.5;font-size:12px;min-height:100vh}.author-detail-page.error,.author-detail-page.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:16px;font-size:14px;color:var(--text-medium)}.spinner{width:40px;height:40px;border:4px solid #e0e0e0;border-top:4px solid var(--primary-blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.product-hero{background:var(--primary-blue);padding:14px 15px;color:white}.hero-content{max-width:1400px;margin:0 auto;display:flex;align-items:center;gap:20px}.product-hero 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var(--border-color)}.verified-badge{position:absolute;bottom:6px;right:6px;background:#2e7d32;color:white;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;border:2px solid white}.author-details-main{display:flex;flex-direction:column;gap:12px}.author-name{font-size:20px;font-weight:700;color:var(--dark-blue);text-transform:uppercase;letter-spacing:.5px;margin:0;font-family:Georgia,Times New Roman,serif}.author-name .name-verified{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;background:#2e7d32;border-radius:50%;margin-left:10px;vertical-align:middle;color:white;font-size:11px}.author-designation{font-size:12px;color:var(--text-medium);font-style:italic;margin:0;padding-bottom:12px;border-bottom:1px solid var(--border-color);overflow-wrap:break-word;word-break:break-word}.author-stats-table{border:1px solid #dde3ed;border-radius:6px;overflow:hidden;border-left:4px solid var(--primary-blue);margin-top:4px;box-shadow:0 1px 4px rgba(30,82,146,.06)}.stat-row{display:flex;justify-content:space-between;align-items:center;padding:9px 14px;border-bottom:1px solid #edf0f5;font-size:12px;background:white;transition:background .15s;gap:12px}.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);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.5px;min-width:90px;flex-shrink:0}.stat-row span{color:var(--text-dark);text-align:right;font-weight:500;overflow-wrap:break-word;word-break:break-word;min-width:0}.social-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding-top:4px}.social-label{font-size:11px;font-weight:700;color:var(--dark-blue);text-transform:uppercase;letter-spacing:.5px;font-family:Georgia,serif}.social-link{display:inline-flex;align-items:center;gap:5px;padding:4px 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var(--primary-blue);margin:15px 0 10px;display:flex;align-items:center;gap:6px}.expertise-subheading svg{color:var(--orange-gold)}.expertise-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.tag{background:var(--light-bg);color:var(--primary-blue);padding:4px 12px;font-size:11px;font-weight:600;border:1px solid var(--primary-blue);cursor:pointer;transition:all .2s;font-family:Georgia,serif}.tag:hover{background:var(--primary-blue);color:white}.chapter-list{display:flex;flex-direction:column}.chapter-card{display:flex;flex-direction:row;align-items:flex-start;background:white;border-bottom:1px solid var(--border-color);padding:14px 15px;gap:0;cursor:pointer;transition:background .15s}.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{width:64px;height:auto;display:block;border:1px solid var(--border-color);box-shadow:1px 2px 4px 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.2s;display:none;align-items:center;justify-content:center}.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;padding:12px;gap:10px}.chapter-cover{width:48px;margin-right:0}.chapter-cover img{width:48px}.expertise-tags{gap:4px}.section-heading{font-size:12px;padding:7px 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{font-size:11px;padding:6px 10px;letter-spacing:.4px}}