:root{--bg: #f9fafb;--surface: #ffffff;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--border-strong: #d1d5db;--subtle: #f3f4f6;--danger: #b91c1c;--radius: 12px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:underline;text-underline-offset:3px}a:hover{text-decoration-thickness:2px}img{display:block;max-width:100%}.app-shell{max-width:1040px;margin:0 auto;padding:20px 16px 40px;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 16px}.app-title{margin:0;font-size:22px;font-weight:800;letter-spacing:-.01em}.app-subtitle{margin:0 0 12px;color:var(--muted);font-size:14px;line-height:1.5}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 12px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);font-weight:800;cursor:pointer;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.65;cursor:not-allowed}.btn:hover:not(:disabled){background:var(--subtle)}.status{margin:0;font-size:14px;color:var(--muted)}.status--danger{color:var(--danger);font-weight:700}.pairs{margin-top:12px;display:grid;gap:14px}.pair-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px}.card{border:1px solid var(--border);border-radius:var(--radius);padding:14px;background:var(--surface);color:var(--text)}.card--empty{border-style:dashed;border-color:var(--border-strong);color:var(--muted);min-height:56px;display:flex;align-items:center}.card--link{text-decoration:none}.card--link:hover{border-color:var(--border-strong);background:var(--subtle)}.card__top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.card__title{margin:0;font-size:16px;font-weight:800;line-height:1.3;word-break:break-word}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:800;border:1px solid var(--border);background:var(--surface);color:var(--text);white-space:nowrap}.badge--muted{background:var(--subtle)}.backlink{display:inline-flex;align-items:center;gap:6px;margin-bottom:14px;text-decoration:none;font-weight:700}.backlink:hover{text-decoration:underline}.two-col{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px}.block-label{font-size:12px;font-weight:800;color:var(--muted);margin:0 0 4px;text-transform:uppercase;letter-spacing:.06em}.block-heading{margin:0;font-size:16px;font-weight:900;line-height:1.25}.block-body{margin-top:12px;line-height:1.65;white-space:pre-wrap;word-break:break-word}.image-grid{margin-top:10px;display:grid;gap:10px}.image-grid img{border-radius:var(--radius);border:1px solid var(--border);width:100%;height:auto}.refs{margin-top:16px}.refs h3{margin:0 0 8px;font-size:14px;font-weight:900}.refs ul{margin:0;padding-left:18px}