:root{--nav:#122234;--accent:#1f6f8b;--bg:#f4f6f8;--card:#fff;--text:#1e2933;--muted:#687481;--border:#d9e0e5;--danger:#a62b2b;--warning:#9b6500}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}a{color:inherit}.brand{font-size:20px;letter-spacing:-.3px}.login,.install{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#eef4f6,#f7f2ee)}.login-card,.install-card{width:min(520px,100%);background:#fff;border:1px solid var(--border);border-radius:16px;padding:32px;box-shadow:0 12px 40px #12223412}.install-card{width:min(680px,100%)}h1{font-size:28px;margin:18px 0 24px}h2{margin-top:30px;font-size:20px}label{display:block;font-weight:600;margin:14px 0}input,select{width:100%;display:block;margin-top:7px;padding:11px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}button{border:0;border-radius:8px;background:var(--accent);color:#fff;padding:10px 15px;font-weight:700;cursor:pointer}button.danger{background:var(--danger)}.muted,small{color:var(--muted)}.alert{padding:14px 16px;border-radius:9px;background:#eaf3f6;margin:16px 0}.alert.danger{background:#f8e8e8;color:#781e1e}.alert.warning{background:#fff2cc;color:#634900}.qr{background:#fff;padding:14px;width:max-content;border:1px solid var(--border);border-radius:10px}.backend aside{position:fixed;inset:0 auto 0 0;width:250px;background:var(--nav);color:#fff;padding:24px 16px;display:flex;flex-direction:column}.backend aside .brand{padding:0 10px 22px}.backend nav{display:grid;gap:4px}.backend nav a{padding:10px 12px;text-decoration:none;border-radius:7px;color:#dce5ec}.backend nav a:hover,.backend nav a.active{background:#ffffff14;color:#fff}.aside-foot{margin-top:auto;border-top:1px solid #ffffff20;padding:16px 10px 0;display:grid;gap:8px}.aside-foot a{font-size:14px;color:#cbd7e0}.content{margin-left:250px;padding:0 32px 50px;max-width:1450px}.content>header{height:78px;display:flex;align-items:center;gap:12px}.content>header h1{margin:0}.menu{display:none}.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin:12px 0}.stats .card{display:grid;gap:8px}.stats strong{font-size:30px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}.system{text-decoration:none;display:grid;gap:10px}.badge{display:inline-block;width:max-content;padding:3px 7px;border-radius:999px;background:#e5ebef;font-size:12px}.badge.active{background:#e5f5eb;color:#21653a}.badge.disabled{background:#f5e5e5;color:#762828}.empty{border:1px dashed #bec8cf;border-radius:10px;padding:24px;color:var(--muted);background:#fff}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border);vertical-align:middle}th{background:#eef2f4;font-size:13px}.inline-form{display:grid;grid-template-columns:1fr 1fr 160px auto;gap:10px;align-items:end}.inline-form input,.inline-form select{margin:0}.toolbar{display:flex;justify-content:flex-end;margin-bottom:10px}pre{white-space:pre-wrap;overflow:auto;background:#0d1720;color:#d9e3ea;padding:18px;border-radius:10px;font-size:12px}@media(max-width:800px){.backend aside{transform:translateX(-100%);transition:.2s;z-index:3}.backend.nav-open aside{transform:none}.content{margin-left:0;padding:0 18px 40px}.menu{display:inline-block}.stats{grid-template-columns:1fr}.inline-form{grid-template-columns:1fr}table{display:block;overflow-x:auto}.login-card,.install-card{padding:24px}}

/* v1.0.1 diagnostics */
.diag-list{display:grid;gap:1rem;margin:1rem 0}.diag{border-left:5px solid #c9ced6}.diag.ok{border-left-color:#247a4a}.diag.warning{border-left-color:#a86f00}.diag.error{border-left-color:#a52a2a}.diag-head,.toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.diag-head h3{margin:.1rem 0}.diag details{margin-top:.75rem}.diag pre{white-space:pre-wrap;word-break:break-word;background:#f5f6f8;padding:1rem;border-radius:.6rem;max-height:24rem;overflow:auto}.badge.ok{background:#e8f5ed;color:#17613a}.badge.warning{background:#fff4d8;color:#815300}.badge.error{background:#fdeaea;color:#8a1f1f}.reportbox{width:100%;min-height:20rem;font:12px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;margin:.75rem 0;padding:1rem;box-sizing:border-box}@media(max-width:720px){.diag-head,.toolbar{display:block}.toolbar button{margin-top:.75rem}}