:root{--bg:#f4f6fa;--fg:#1b2a41;--mut:#5b6b82;--card:#fff;--line:#d9e0ec;--acc:#1f3864}
@media(prefers-color-scheme:dark){:root{--bg:#10151f;--fg:#e6ebf4;--mut:#9aa8bf;--card:#18202e;--line:#2a3547;--acc:#8fb0ff}}
*{box-sizing:border-box}
body{margin:0;font:14px/1.45 Arial,Helvetica,sans-serif;background:var(--bg);color:var(--fg)}
header{background:#1f3864;color:#fff;padding:18px 24px 0}
header h1{margin:0 0 4px;font-size:20px}header p{margin:0 0 12px;opacity:.8;font-size:13px}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav button{background:transparent;color:#cfd9ee;border:0;padding:10px 16px;border-radius:8px 8px 0 0;cursor:pointer;font:inherit}
nav button.on{background:var(--bg);color:var(--fg);font-weight:700}
main{padding:20px 24px;max-width:1500px;margin:auto}
h2{margin:24px 0 0;font-size:17px}
.hint{color:var(--mut);font-size:12px;margin:4px 0 10px}
.sub{color:var(--mut);font-size:11px;margin-top:2px}
.btn{background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:6px;padding:6px 12px;cursor:pointer;font:inherit}
.btn:hover{border-color:var(--acc)}

/* diagrams */
.dhead{display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:17px}
.dgrid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}
@media(max-width:1000px){.dgrid{grid-template-columns:1fr}}
.dwrap{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:auto}
svg{display:block;width:100%;min-width:720px;height:auto}
svg .node,svg .flow{cursor:pointer}
.cap{min-height:22px;margin:8px 2px;font-weight:700;color:var(--acc)}
.flist{columns:2;font-size:12px;color:var(--mut);padding-left:24px;margin:0 0 8px}
.flist li{padding:1px 0}.flist li:hover{color:var(--fg)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;position:sticky;top:10px}
.panel h3{margin:0}
.panel h4{margin:12px 0 4px;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--mut)}
.panel ul{margin:0;padding-left:18px}.panel .btn{margin-top:14px}

/* checklists */
.sum{display:flex;gap:12px;flex-wrap:wrap;margin:10px 0}
.sum>div{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 16px;min-width:110px}
.sum b{display:block;font-size:20px}.sum span{font-size:11px;color:var(--mut)}
.sum .pg{flex:1;min-width:220px}
.bar{height:10px;background:var(--line);border-radius:5px;overflow:hidden;margin:6px 0}
.bar i{display:block;height:100%;background:#1e8e3e}
.tools{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.tools input,.tools select,td select,td input{font:inherit;font-size:12px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--fg)}
.tools input{min-width:200px}
.tw{overflow:auto;border:1px solid var(--line);border-radius:10px;background:var(--card);max-height:75vh}
table{border-collapse:collapse;width:100%;min-width:1000px}
th{position:sticky;top:0;background:#1f3864;color:#fff;font-size:11px;text-align:left;padding:8px;z-index:1}
td{vertical-align:top;font-size:12px;padding:8px;border-top:1px solid var(--line);min-width:90px}
td.id{font-weight:700;white-space:nowrap}
td input{width:110px}
.lab{margin-top:6px;padding:4px 6px;background:rgba(47,91,216,.1);border-radius:4px;font-size:11px}
.pill{padding:2px 8px;border-radius:10px;font-size:11px;font-weight:700;color:#222}
.pill.Critical{background:#f4b6b6}.pill.High{background:#f8d7a8}.pill.Medium{background:#fff2b3}
table[data-dep=onprem] .dep:not(.onprem),table[data-dep=public] .dep:not(.public),table[data-dep=hybrid] .dep:not(.hybrid){display:none}

/* plain-English layer */
abbr.gl{text-decoration:underline dotted;text-underline-offset:2px;cursor:help}
.plain{background:rgba(47,91,216,.09);border-left:3px solid #2f5bd8;border-radius:6px;padding:4px 10px 8px;margin-top:12px}
.plain h4{margin:8px 0 2px}.plain p{margin:0}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:0 0 18px}
.why>div{background:var(--card);border:1px solid var(--line);border-top:4px solid #d9822b;border-radius:10px;padding:12px 14px}
.why b{display:block;margin-bottom:4px}.why span{color:var(--mut);font-size:12px}
.note{color:var(--mut);font-size:11px;margin:-8px 0 16px}
dl{margin:12px 0}dt{font-weight:700;margin-top:10px;text-transform:capitalize}dt:first-letter{text-transform:uppercase}dd{margin:2px 0 0;color:var(--mut)}

.lay{margin-bottom:32px}.lay svg{min-width:820px}