:root{--bg: #dfe3e8;--surface: #ffffff;--surface-2: #f1f3f6;--ink: #161b22;--ink-soft: #4d5866;--line: #b8c0cc;--line-soft: #d6dce4;--dim: #7a8696;--accent: #c2410c;--accent-soft: #fef1e8;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.05), 0 3px 8px rgba(0,0,0,.04);--st-toosmall: #dc2626;--st-acceptable: #ca8a04;--st-correct: #16a34a;--st-toobig: #2563eb}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.45;-webkit-text-size-adjust:100%}h1,h2,h3{margin:0;font-weight:650}p{margin:0}.print-frame,.print-frame tbody,.print-frame tfoot,.print-frame tr,.print-frame td{display:block}.print-frame tfoot{display:none}.topbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:8px 16px;background:var(--ink);color:#fff;position:sticky;top:0;z-index:20}.topbar 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.12s}.lang-btn:hover{border-color:#5a6675;color:#fff}.lang-btn.active{border-color:var(--accent);background:var(--accent);color:#fff}.lang-btn .flag{width:22px;height:15px;border-radius:2px;display:block}.muted{color:var(--dim);font-size:12px}.radio-group{display:inline-flex;width:100%;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}.radio-group.compact{width:auto}.radio-pill{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:4px;padding:6px 8px;font-size:13px;cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--ink-soft);border-right:1px solid var(--line);transition:background .12s,color .12s}.radio-group.compact .radio-pill{flex:none}.radio-pill:last-child{border-right:none}.radio-pill 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0}.modal-close{position:absolute;top:8px;right:10px;border:none;background:transparent;font-size:24px;line-height:1;color:var(--dim);cursor:pointer}.modal-close:hover{color:var(--ink)}@media (min-width: 960px){body{font-size:15px}.layout{grid-template-columns:1fr 280px;padding:12px;gap:12px}.sections{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:start}#sec-opening{grid-column:1 / -1}.sidebar{order:0;position:sticky;top:56px}.sidebar-card{max-height:calc(100vh - 72px);overflow:auto}.diag{max-width:380px}}@page{margin:14mm 14mm 22mm}@media print{.topbar-controls,.lang-switch,.help-btn,.sidebar,.no-print{display:none!important}.topbar{position:static;background:#fff;color:#000;border-bottom:2px solid #000;padding:4px 0}.topbar 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