*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.nexus-light{--color-bg-primary: #fafafa;--color-bg-secondary: #f4f4f5;--color-text-primary: #171717;--color-text-secondary: #404040;--color-border: #e5e5e5;--color-focus: #3b82f6;--color-nav-bg: #0f172a;--color-nav-text: #e2e8f0;--color-header-bg: #1e293b;--color-header-text: #f1f5f9;--color-sev-critical: #7f1d1d;--color-sev-major: #ef4444;--color-sev-minor: #f97316;--color-sev-warning: #fb923c;--color-sev-info: #3b82f6;--color-sev-cleared: #22c55e}.nexus-dark{--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-text-primary: #f1f5f9;--color-text-secondary: #94a3b8;--color-border: #334155;--color-focus: #60a5fa;--color-nav-bg: #020617;--color-nav-text: #cbd5e1;--color-header-bg: #0f172a;--color-header-text: 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10px;background:transparent;border:1px solid currentColor;border-radius:4px;cursor:pointer;color:inherit;font-size:12px}.system-page{display:flex;flex-direction:column;gap:var(--space-y)}.registry-layout{display:grid;grid-template-columns:220px 1fr;gap:var(--space-x)}.registry-list{list-style:none;border:1px solid var(--color-border);border-radius:8px;overflow:hidden}.registry-list__item{display:flex;align-items:center;gap:8px;padding:10px 14px;width:100%;background:transparent;border:none;border-bottom:1px solid var(--color-border);cursor:pointer;text-align:left;color:var(--color-text-primary);font-size:14px}.registry-list__item--selected{background:var(--color-bg-secondary)}.registry-list__version{margin-left:auto;font-size:12px;color:var(--color-text-secondary)}.registry-detail__manifest{font-size:12px;background:var(--color-bg-secondary);padding:12px;border-radius:6px;overflow-x:auto;max-height:500px;overflow-y:auto}.app-health-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.app-health-dot--healthy{background:var(--color-sev-cleared)}.app-health-dot--degraded{background:var(--color-sev-warning)}.schema-table{width:100%;border-collapse:collapse;font-size:13px}.schema-table th{text-align:left;padding:8px 12px;background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);font-weight:600}.schema-table td{padding:8px 12px;border-bottom:1px solid var(--color-border)}.schema-table__topic{font-family:monospace;font-size:12px}.topology-svg,.data-flow-svg{width:100%;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-secondary)}.topology-page__hint,.data-flow-page__empty{color:var(--color-text-secondary);font-size:14px}.pinned-strip{display:flex;gap:var(--space-x);overflow-x:auto;padding-bottom:8px}.pinned-site-card{flex-shrink:0;width:200px;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px}.pinned-site-card__link{text-decoration:none;color:inherit}.pinned-site-card__name{font-size:14px;font-weight:600}.pinned-site-card__code{font-size:12px;color:var(--color-text-secondary)}.loading-state{padding:var(--space-y)}.loading-state__skeleton{height:200px;background:var(--color-bg-secondary);border-radius:8px;animation:skeleton-pulse 1.5s ease-in-out infinite}@keyframes skeleton-pulse{0%,to{opacity:1}50%{opacity:.5}}.error-state{padding:var(--space-y);background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#991b1b;font-size:14px}.placeholder-page{padding:var(--space-y)}.home-page{display:flex;flex-direction:column;gap:calc(var(--space-y) * 2)}.home-page__section-title{font-size:16px;font-weight:600;margin-bottom:var(--space-y);color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:12px}.home-page__personal-context{min-height:80px}.alarm-detail-page{display:flex;flex-direction:column;gap:var(--space-y)}.alarm-detail__meta{font-size:13px;color:var(--color-text-secondary)}.alarm-detail__section{border:1px solid var(--color-border);border-radius:8px;padding:var(--space-x)}.alarm-detail__section-title{font-size:14px;font-weight:600;margin-bottom:12px}.alarm-detail__json{font-size:12px;overflow-x:auto}.alarm-detail__no-causation{color:var(--color-text-secondary);font-style:italic}.alarm-detail__cross-app{display:flex;flex-direction:column;gap:12px}.causation-chain{display:flex;flex-direction:column;gap:8px;padding-left:16px}.causation-chain__step{font-size:12px}.causation-chain__data{overflow-x:auto}.alarm-list{display:flex;flex-direction:column}