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.book .msg{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.book .msg .from{font-family:var(--display);font-weight:700;font-size:.85rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.book .msg .body{font-size:1rem;line-height:1.5;white-space:pre-line}
.book .msg .hidden{display:none;background:var(--vermilion-soft);border:2px dashed var(--vermilion);border-radius:10px;padding:8px 10px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88rem;color:var(--ink)}
.book .msg.revealed .hidden{display:block}
.book .msg .acts{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.book .msg .acts button{font:inherit;font-size:.9rem;padding:6px 14px;border-radius:999px;border:2px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer}
.book .msg .acts button:hover:not(:disabled){border-color:var(--indigo)}
.book .msg .acts button:focus-visible{outline:3px solid var(--indigo);outline-offset:2px}
.book .msg .acts button:disabled{cursor:default;opacity:.7}
.book .msg.good{border-color:var(--leaf)}
.book .msg.bad{border-color:var(--vermilion)}
.book .msg .res{font-size:.92rem;line-height:1.45;color:var(--muted)}
.book .layers{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:640px){.book .layers{grid-template-columns:1fr 1fr}
}
.book .layer{background:var(--card);border:2px solid var(--indigo);border-radius:14px;padding:12px;font-size:.92rem;line-height:1.45;display:flex;flex-direction:column;gap:4px}
.book .layer b{font-family:var(--display);color:var(--indigo);font-size:1.02rem}
.book .msg.good .hidden{background:var(--leaf-soft);border-color:var(--leaf)}
.book #psvg{border-radius:12px;border:2px solid var(--line);background:var(--card)}
.book .acc{display:flex;flex-wrap:wrap;gap:16px;font-family:var(--display);font-weight:700;font-size:1.05rem}
.book .acc span b{font-variant-numeric:tabular-nums}
.book .feed{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:640px){.book .feed{grid-template-columns:1fr 1fr}
}
.book .vcard{font:inherit;text-align:left;border:2px solid var(--line);border-radius:14px;background:var(--card);color:var(--ink);padding:0;cursor:pointer;overflow:hidden;display:flex;flex-direction:column}
.book .vcard:hover{border-color:var(--indigo)}
.book .vcard:focus-visible{outline:3px solid var(--indigo);outline-offset:2px}
.book .vcard .thumb{height:64px;display:grid;place-items:center;font-size:1.8rem;line-height:1}
.book .vcard .vt{padding:8px 10px;font-family:var(--display);font-weight:700;font-size:.92rem;line-height:1.25}
.book .vcard .vt small{display:block;font-family:var(--body);font-weight:400;font-size:.78rem;color:var(--muted);margin-top:3px}
.book .hist{display:flex;flex-wrap:wrap;gap:6px;font-size:.85rem}
.book .hist span{padding:2px 9px;border-radius:999px;border:1.5px solid var(--line);background:var(--paper)}
.book .meters{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.book .meters{grid-template-columns:1fr}
}
.book .tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:640px){.book .tiles{grid-template-columns:1fr 1fr}
}
.book .tile{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:12px;display:flex;flex-direction:column;gap:2px;text-align:center}
.book .tile .ico{font-size:1.6rem;line-height:1.2}
.book .tile b{font-family:var(--display);font-weight:800;font-size:1.25rem;color:var(--indigo);font-variant-numeric:tabular-nums}
.book .tile small{font-size:.8rem;color:var(--muted);line-height:1.35}
.book .corner code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em;background:var(--paper);padding:1px 5px;border-radius:5px}
.book{--next-bg:#E9ECF8;--next-line:#C5CCEE;--next-eye:#2F3B7E}
@media (prefers-color-scheme: dark){.book{--next-bg:#1C2350;--next-line:#34407A;--next-eye:#B9C1F5}
}
.book[data-theme="dark"]{--next-bg:#1C2350;--next-line:#34407A;--next-eye:#B9C1F5}
.book .next{background:var(--next-bg);color:var(--ink);border:2px solid var(--next-line);border-left:8px solid var(--next-eye)}
.book .next .eyebrow{color:var(--next-eye)}
.book .eightq{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:600px){.book .eightq{grid-template-columns:1fr}
}
.book .eightq details{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:10px 14px}
.book .eightq details.new{border-color:var(--turmeric)}
.book .eightq details[open]{border-color:var(--indigo)}
.book .eightq summary{cursor:pointer;font-family:var(--display);font-weight:700;font-size:1.02rem;display:flex;gap:10px;align-items:center;list-style:none}
.book .eightq summary::-webkit-details-marker{display:none}
.book .eightq summary:focus-visible{outline:3px solid var(--indigo);outline-offset:3px;border-radius:8px}
.book .eightq .n{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--indigo);color:var(--paper);font-size:.95rem}
.book .eightq details.new .n{background:var(--turmeric);color:#1D2140}
.book .eightq details p{margin:8px 0 2px;font-size:.95rem;line-height:1.5}
.book #tsvg{border-radius:12px;border:2px solid var(--line);background:var(--card)}