:root{--ba-deep-blue:#1f3f6b;--ba-mid-blue:#2f5c9a;--ba-soft-blue:#4a78b5;--ba-dark-blue:#172f52;--ba-white:#fff;--ba-tint-1:#e6eef8;--ba-tint-2:#ebf2fa;--ba-tint-3:#f0f5fb;--ba-text:#1f3f6b;--ba-text-secondary:#3a4a63;--ba-border:#c9d6e8;--ba-shadow:#1f3f6b1f;--status-success:#0d5f2b;--status-warning:#7a4f00;--status-danger:#9a1c12;--font:"Segoe UI", "Helvetica Neue", Arial, sans-serif;--radius-card:12px;--radius-btn:10px;--radius-badge:20px;--space:16px;--maxw:1200px}*{box-sizing:border-box}html{font-size:100%}body{font-family:var(--font);color:var(--ba-text);background:var(--ba-tint-3);-webkit-font-smoothing:antialiased;margin:0;font-size:1rem;line-height:1.6}h1,h2,h3,h4{color:var(--ba-deep-blue);margin:0 0 .5em;font-weight:800;line-height:1.3}h1{font-size:clamp(1.75rem,1.4rem + 1.5vw,2.25rem)}h2{font-size:clamp(1.375rem,1.2rem + .8vw,1.75rem)}h3{font-size:1.25rem}p{max-width:70ch;margin:0 0 1rem}a{color:var(--ba-deep-blue);text-underline-offset:2px}a:hover{color:var(--ba-dark-blue)}:focus-visible{outline:3px solid var(--ba-deep-blue);outline-offset:2px;border-radius:4px}.skip-link{z-index:1000;background:var(--ba-deep-blue);color:var(--ba-white);border-radius:0 0 8px;padding:12px 18px;font-weight:700;text-decoration:none;position:absolute;top:0;left:-999px}.skip-link:focus{left:0}.app-shell{grid-template:"sidebar topbar""sidebar main"1fr/280px 1fr;min-height:100vh;display:grid}.topbar{grid-area:topbar}.sidebar{grid-area:sidebar}.main{max-width:var(--maxw);grid-area:main;padding:clamp(20px,3vw,40px)}.topbar{background:var(--ba-white);border-bottom:1px solid var(--ba-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:12px clamp(16px,3vw,28px);display:flex}.topbar-meta{color:var(--ba-text-secondary);flex-wrap:wrap;align-items:center;gap:18px;font-size:.9rem;display:flex}.topbar-meta 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20px;font-family:inherit;font-size:1rem;font-weight:800;text-decoration:none;display:inline-flex}.btn-primary{background:var(--ba-deep-blue);color:var(--ba-white)}.btn-primary:hover{background:var(--ba-dark-blue);color:var(--ba-white)}.btn-secondary{background:var(--ba-white);color:var(--ba-deep-blue);border-color:var(--ba-deep-blue)}.btn-secondary:hover{background:var(--ba-tint-1)}.btn-danger{background:var(--ba-white);color:var(--status-danger);border-color:var(--status-danger)}.btn-danger:hover{background:#fdecea}.btn:disabled{opacity:.55;cursor:not-allowed}.field{margin-bottom:18px}.field label{color:var(--ba-deep-blue);margin-bottom:6px;font-weight:700;display:block}.field .hint{color:var(--ba-text-secondary);margin:0 0 6px;font-size:.85rem}.field input,.field select,.field textarea{width:100%;min-height:48px;color:var(--ba-text);background:var(--ba-white);border:2px solid var(--ba-border);border-radius:8px;padding:11px 12px;font-family:inherit;font-size:1rem}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ba-mid-blue)}.field input[aria-invalid=true],.field textarea[aria-invalid=true]{border-color:var(--status-danger)}.form-error{border-left:4px solid var(--status-danger);color:var(--status-danger);background:#fdecea;border-radius:6px;margin-bottom:16px;padding:12px 14px;font-weight:600}.form-success{border-left:4px solid var(--status-success);color:var(--status-success);background:#ecfdf3;border-radius:6px;margin-bottom:16px;padding:12px 14px;font-weight:600}.badge{border-radius:var(--radius-badge);border:2px solid var(--ba-deep-blue);color:var(--ba-deep-blue);background:var(--ba-tint-1);align-items:center;gap:6px;padding:4px 12px;font-size:.8rem;font-weight:700;display:inline-flex}.badge .dot{font-weight:900}table{border-collapse:collapse;background:var(--ba-white);width:100%}caption{text-align:left;color:var(--ba-deep-blue);margin-bottom:8px;font-weight:700}th,td{text-align:left;border-bottom:1px solid var(--ba-border);vertical-align:top;padding:12px 14px}thead th{background:var(--ba-tint-1);color:var(--ba-deep-blue)}tbody tr:nth-child(2n){background:var(--ba-tint-3)}.stack>*+*{margin-top:16px}.muted{color:var(--ba-text-secondary)}.back-link{margin:0}.back-link a{align-items:center;gap:6px;min-height:44px;padding:6px 4px;font-weight:600;display:inline-flex}.back-link--bottom{border-top:1px solid var(--ba-border);margin-top:24px;padding-top:16px}.check-option{align-items:flex-start;gap:10px;display:flex}.check-option input[type=checkbox],.check-option input[type=radio]{flex:none;width:22px;height:22px;margin:2px 0 0}.check-option>span{line-height:1.5}.page-header{margin-bottom:24px}.page-header p{color:var(--ba-text-secondary)}.cluster{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.between{justify-content:space-between}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.demo-flag{color:var(--ba-deep-blue);background:var(--ba-tint-1);border:1px dashed var(--ba-soft-blue);border-radius:6px;padding:2px 8px;font-size:.75rem;font-weight:700;display:inline-block}.auth-wrap{background:linear-gradient(135deg, var(--ba-tint-1), var(--ba-tint-2));place-items:center;min-height:100vh;padding:24px;display:grid}.auth-card{width:100%;max-width:440px}@media (max-width:880px){.app-shell{grid-template-columns:1fr;grid-template-areas:"topbar""sidebar""main"}.sidebar{flex-flow:wrap;align-items:center}.sidebar .brand{border-bottom:none;margin-bottom:0;padding-bottom:0}.sidebar nav{width:100%}.sidebar nav ul{flex-wrap:wrap;display:flex}.sidebar nav a{border-bottom:3px solid #0000;border-left:none}.sidebar nav a[aria-current=page]{border-left:none;border-bottom-color:var(--ba-white)}}@media 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