.systems-hero{margin-bottom:40px}
.systems-controls{border-top:1px solid var(--line);padding:26px 0 0;margin-bottom:34px}
.systems-search-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.systems-search{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.7);border:1px solid var(--glass-border);box-shadow:0 3px 14px rgba(47,61,75,.04);border-radius:14px;padding:0 16px;max-width:460px;width:100%;height:48px;color:var(--muted)}
.systems-search:focus-within{outline:2px solid var(--blue);outline-offset:2px}
.systems-search svg{width:18px;height:18px;flex-shrink:0}
.systems-search input{font:inherit;font-size:14px;border:0;outline:none;background:none;color:var(--ink);width:100%;min-width:0;height:100%}
.systems-results{color:var(--muted);font-size:13px;white-space:nowrap;margin:0}
.systems-filters{display:flex;gap:8px;flex-wrap:wrap}
.systems-filters button{border:1px solid transparent;background:rgba(255,255,255,.45);border-radius:999px;padding:9px 14px;font:inherit;font-size:13px;color:var(--muted);cursor:pointer;transition:background .15s,color .15s}
.systems-filters button:hover{background:rgba(255,255,255,.85);color:var(--ink)}
.systems-filters button[aria-pressed="true"]{background:var(--ink);color:#fff}
.systems-filters small{margin-left:6px;font-variant-numeric:tabular-nums;opacity:.6}
.systems-filters button:focus-visible,.system-entry:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
.system-group{margin-bottom:26px;border:1px solid var(--glass-border);border-radius:22px;background:var(--glass);box-shadow:0 8px 32px rgba(47,61,75,.045);overflow:hidden}
.system-group-head{display:flex;align-items:center;gap:18px;padding:24px 26px;background:rgba(255,255,255,.24)}
.system-group-code{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;color:var(--muted);width:38px;flex-shrink:0}
.system-group h2{margin:0;font-size:21px;font-weight:750;letter-spacing:-.025em}
.system-group-summary{color:var(--muted);font-size:13px;margin:4px 0 0;line-height:1.6}
.system-group-count{margin-left:auto;color:var(--muted);font-size:12px;white-space:nowrap}
.system-entry{display:grid;grid-template-columns:56px minmax(160px,.85fr) minmax(220px,1.8fr) 114px;gap:18px;align-items:center;margin:0 26px;padding:22px 0;border-top:1px solid var(--line);transition:background .15s}
.system-entry:hover .system-entry-name{color:var(--blue)}
.system-entry-id{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;color:#8a949f;letter-spacing:.05em}
.system-entry-name{font-size:16px;font-weight:650;line-height:1.5;transition:color .15s}
.system-entry-copy{color:var(--muted);font-size:13px;line-height:1.85}
.system-entry-action{display:flex;justify-content:center;align-items:center;gap:12px;border:1px solid rgba(23,87,212,.12);border-radius:999px;color:var(--blue);padding:9px 12px;font-size:12px;white-space:nowrap;background:rgba(255,255,255,.35)}
.system-entry:hover .system-entry-action{background:var(--blue);color:#fff}
.systems-empty{padding:48px 20px;text-align:center;color:var(--muted)}
.systems-empty button{font:inherit;border:0;border-bottom:1px solid var(--ink);background:none;color:var(--ink);cursor:pointer;padding:5px;margin-top:12px}
.systems-contact{margin-top:36px;padding:32px;border:1px solid var(--glass-border);border-radius:22px;background:var(--glass-heavy);display:flex;align-items:center;justify-content:space-between;gap:24px}
.systems-contact h2{margin:0 0 8px;font-size:23px;letter-spacing:-.03em}
.systems-contact p{margin:0;color:var(--muted);font-size:14px;line-height:1.8;max-width:650px}
.systems-contact button{white-space:nowrap}
.systems-caption{color:var(--muted);font-size:12px;line-height:1.8;margin:22px 2px 0}
[hidden]{display:none!important}
@media(max-width:900px){.system-entry{grid-template-columns:42px minmax(130px,.9fr) minmax(180px,1.4fr) 100px;gap:12px}.systems-contact{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.systems-controls{padding-top:20px;margin-bottom:24px}.systems-search-row{gap:10px;flex-wrap:wrap}.systems-search{max-width:none}.systems-filters{gap:7px}.systems-filters button{padding:8px 11px;font-size:12px}.system-group{border-radius:18px;margin-bottom:18px}.system-group-head{padding:20px 18px;gap:10px}.system-group-code{width:32px}.system-group h2{font-size:19px}.system-group-summary{font-size:11px}.system-entry{margin:0 18px;padding:18px 0;grid-template-columns:40px 1fr 90px;gap:8px 10px}.system-entry-copy{grid-column:2 / 4;grid-row:2;font-size:12px}.system-entry-name{font-size:15px}.system-entry-action{font-size:11px;padding:8px;gap:7px}.systems-contact{padding:24px}.systems-contact h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){.system-entry,.system-entry-name,.systems-filters button{transition:none}}