:root{--lightningcss-light:initial;--lightningcss-dark: 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8px 24px #0003;--shadow-toast:0 6px 20px #0003;--shadow-qr:0 1px 3px #00000014;--dialog-primary-bg:#222;--dialog-primary-border:#333;--rail-border:#dedede;--hint-panel-bg:#f4f4f4;--hint-panel-border:#dedede;--kbd-bg:#fff;--kbd-border:#ccc;--kbd-shadow:#ddd;--qr-link-bg:#fff;--outline-focus:#222;color:var(--text-primary);background:var(--bg-app);font-family:system-ui,Segoe UI,Roboto,sans-serif}html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg-app:#121212;--bg-surface:#1e1e1e;--bg-muted:#252525;--bg-subtle:#2a2a2a;--bg-toggle:#2c2c2c;--bg-button-secondary:#2a2a2a;--bg-segment-selected:#333;--bg-nav-disabled:#3a3a3a;--bg-choice:#2a2a2a;--bg-row-current:#1a3048;--bg-danger:#3a2020;--bg-card:#252525;--bg-toast:#282828f5;--toast-text:#f0f0f0;--text-primary:#ececec;--text-secondary:#d0d0d0;--text-body:#c4c4c4;--text-muted:#b0b0b0;--text-subtle:#9a9a9a;--text-hint:#a0a0a0;--text-disabled:#777;--text-faint:#555;--text-inverse:#121212;--text-kbd-hint:#b0b0b0;--border-app-bar:#3a3a3a;--border-default:#3a3a3a;--border-muted:#444;--border-subtle:#505050;--border-strong:#606060;--border-card:#404040;--border-row:#383838;--border-focus:#c8c8c8;--border-segment-selected:#c8c8c8;--border-report:#777;--color-primary:#64b5f6;--bg-primary-soft:#1a2836;--text-primary-accent:#90caf9;--color-pass:#90caf9;--color-fail:#ef9a9a;--text-tertiary:#a8a8a8;--feedback-correct-bg:#1e2e1e;--feedback-correct-border:#558b55;--feedback-correct-text:#a5d6a7;--feedback-wrong-bg:#3a2020;--feedback-wrong-border:#c62828;--feedback-wrong-text:#ffcdd2;--color-danger:#ff8a80;--border-danger:#e57373;--border-mock-warning:#e57373;--overlay-scrim:#000000a6;--shadow-dialog:0 8px 32px #0000008c;--shadow-toast:0 6px 24px #00000080;--shadow-qr:0 2px 8px #00000059;--dialog-primary-bg:#e0e0e0;--dialog-primary-border:#bdbdbd;--rail-border:#3a3a3a;--hint-panel-bg:#252525;--hint-panel-border:#3a3a3a;--kbd-bg:#2a2a2a;--kbd-border:#505050;--kbd-shadow:#1a1a1a;--qr-link-bg:#252525;--outline-focus:#90caf9}body{background:var(--bg-app);margin:0}#root{box-sizing:border-box;width:100%;min-height:100svh;margin:0}.app-shell{box-sizing:border-box;grid-template-columns:1fr;min-height:100svh;display:grid}.app-shell__rail--left,.app-shell__rail--right{display:none}.app-shell__center{background:var(--bg-surface);box-sizing:border-box;width:100%;min-width:0;max-width:720px;margin:0 auto}.app-shell__intro{max-width:36rem}.app-shell__icon{border-radius:12px;width:72px;height:72px;margin-bottom:10px;display:block}.app-shell__title{margin:0 0 10px;font-size:1.05rem;font-weight:700;line-height:1.35}.app-shell__lead{color:var(--text-secondary);margin:0 0 14px;font-size:.875rem;line-height:1.55}.app-shell__h2{text-transform:none;letter-spacing:0;color:var(--text-muted);margin:14px 0 8px;font-size:.8rem;font-weight:700}.app-shell__list,.app-shell__ol{color:var(--text-secondary);margin:0;padding-left:1.15rem;font-size:.8125rem;line-height:1.55}.app-shell__list li+li,.app-shell__ol li+li{margin-top:.35em}.app-shell__hint{background:var(--hint-panel-bg);border:1px solid var(--hint-panel-border);box-sizing:border-box;border-radius:8px;width:100%;max-width:16rem;margin:0 0 20px;padding:12px 10px}.app-shell__hintTitle{color:var(--text-secondary);margin:0 0 8px;font-size:.8rem;font-weight:700}.app-shell__hintText{color:var(--text-muted);text-align:left;margin:0;font-size:.75rem;line-height:1.55}.app-shell__kbd{background:var(--kbd-bg);border:1px solid var(--kbd-border);box-shadow:0 1px 0 var(--kbd-shadow);border-radius:4px;padding:2px 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var(--outline-focus);outline-offset:3px;border-radius:4px}.app-shell__introContactNote{color:var(--text-muted);margin:0 0 8px;font-size:.8125rem;line-height:1.5}.app-shell__contact{color:var(--text-secondary);align-items:center;gap:8px;font-size:.875rem;text-decoration:none;display:inline-flex}.app-shell__contact:hover{color:var(--text-primary);text-decoration:underline}.app-shell__contact:focus-visible{outline:2px solid var(--outline-focus);outline-offset:2px;border-radius:4px}.app-shell__mailIcon{flex-shrink:0}.app-shell__updateBlock{border:1px solid var(--hint-panel-border);background:var(--hint-panel-bg);box-sizing:border-box;border-radius:8px;margin-top:12px;padding:12px 12px 10px}.app-shell__updateBlockTitle{color:var(--text-secondary);margin:0 0 4px;font-size:.8rem;font-weight:700}.app-shell__updateBlockDate{color:var(--text-muted);margin:0 0 10px;font-size:.72rem;font-weight:500}.app-shell__introNoteBlock{margin-top:0}.app-shell__introNoteBlock p{color:var(--text-muted);margin:0 0 10px;font-size:.75rem;line-height:1.55}.app-shell__introNoteBlock p:last-child{margin-bottom:0}@media (width>=1180px){.app-shell{grid-template-columns:minmax(200px,1fr) minmax(0,720px) minmax(200px,1fr);align-items:stretch}.app-shell__rail--left,.app-shell__rail--right{box-sizing:border-box;flex-direction:column;padding:20px 16px;display:flex;overflow-y:auto}.app-shell__rail--left{border-right:1px solid var(--rail-border);align-items:stretch}.app-shell__rail--right{border-left:1px solid var(--rail-border);justify-content:flex-start;align-items:center;padding-top:28px}}