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var(--border)}.brand{display:flex;align-items:center;gap:8px;line-height:1.2;font-weight:700;color:var(--fg);letter-spacing:-.01em;white-space:nowrap}.brand:hover{text-decoration:none;color:var(--accent)}.brand-mark{font-size:19px;line-height:1}.search-form{flex:1 1 260px;max-width:460px;margin-inline-end:auto;min-width:0}.search-input{width:100%;height:34px;padding:0 15px;line-height:1.2;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--bg-soft);color:var(--fg);font:inherit;font-size:var(--text-md);transition:border-color .12s,box-shadow .12s,background .12s}.search-input::placeholder{color:var(--muted)}.search-input:hover{border-color:var(--border-strong)}.search-input:focus{outline:none;background:var(--bg-card);border-color:var(--accent);box-shadow:var(--ring)}.topbar-tools{display:flex;align-items:center;gap:6px}.icon-btn{display:inline-grid;place-items:center;width:34px;height:34px;flex:none;border:1px solid var(--border);background:var(--bg-card);color:var(--fg-soft);border-radius:var(--radius-sm);cursor:pointer;font:inherit;font-size:14px;line-height:1;transition:color .12s,border-color .12s,background .12s}.icon-btn:hover{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}.icon-btn.on{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.rs-btn{font-weight:700;font-size:13px;letter-spacing:-.02em}.topnav{display:flex;gap:2px}.topnav-link{font-size:var(--text-md);font-weight:600;color:var(--fg-soft);padding:7px 12px;border-radius:var(--radius-sm);white-space:nowrap}.topnav-link:hover{color:var(--accent);text-decoration:none;background:var(--bg-soft)}.topnav-link.active{color:var(--accent);background:var(--accent-soft)}.content{flex:1 1 auto;width:100%;padding:var(--content-pad-block) 24px 88px}.page{width:100%;max-width:var(--page-w);margin-inline:auto}.home-page{--page-w: 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9px;border-radius:6px;cursor:pointer;font-size:var(--text-md)}.lang-font:hover{background:var(--bg-soft);color:var(--fg)}.lang-font.on{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}.rs-wrap{position:relative}.rs-pop{position:absolute;inset-block-start:42px;inset-inline-end:0;z-index:40;width:min(20.5rem,calc(100vw - 24px));background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:14px;display:flex;flex-direction:column;gap:13px}.rs-row{display:flex;flex-direction:column;gap:7px}.rs-label{font-size:var(--text-xs);font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.rs-row .ctl-strip{gap:6px;flex-wrap:nowrap}.rs-row .seg{flex:1 1 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18px}.auth-head{display:flex;align-items:center;justify-content:space-between;margin-block-end:14px}.auth-title{font-size:18px;margin:0;letter-spacing:-.01em}.auth-close{background:none;border:none;color:var(--muted);font-size:14px;cursor:pointer;width:28px;height:28px;border-radius:7px}.auth-close:hover{background:var(--bg-soft);color:var(--fg)}.auth-field{display:flex;flex-direction:column;gap:5px;margin-block-end:11px;font-size:var(--text-sm);color:var(--fg-soft)}.auth-field input{font:inherit;font-size:var(--text-md);color:var(--fg);background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px}.auth-field input:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.auth-error{color:#dc2626;font-size:var(--text-sm);margin:4px 0 8px}.auth-notice{color:var(--accent);font-size:var(--text-sm);margin:4px 0 8px}.auth-submit{width:100%;border:1px solid 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var(--border);padding-block-end:9px;margin:0 0 16px}.book-cat-n{color:var(--fg-soft);font-weight:700;font-size:var(--text-sm);letter-spacing:0;background:var(--bg-soft);border-radius:var(--radius-pill);padding:1px 8px}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:14px}.book-card{position:relative;display:flex;flex-direction:column;overflow:hidden;isolation:isolate;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);color:var(--fg);transition:border-color .14s ease,box-shadow .14s ease,transform .14s ease}.book-card:hover{transform:translateY(-2px);text-decoration:none;border-color:var(--accent-line);box-shadow:var(--shadow)}.book-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.book-card-bar{height:3px;background:var(--accent)}.book-card-body{padding:15px 16px 14px;display:flex;flex-direction:column;flex:1 1 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