:root {
  --bg: #f6f7f9; --card: #fff; --fg: #1d232b; --muted: #687384; --line: #e3e6ea; --link: #2457c5;
  --ok: #2f9e62; --maint: #3b82c4; --affected: #c99a14; --degraded: #e07b1a; --outage: #d13f3f;
  --radius: 8px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171b; --card: #1c2026; --fg: #e3e6ea; --muted: #98a2b0; --line: #2c323a; --link: #7ea6f5; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
main { max-width: 960px; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.6rem; margin: .3rem 0; }
h2 { font-size: 1.1rem; margin: 1.6rem 0 .6rem; }
h3 { font-size: 1rem; margin: .2rem 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.top { display: flex; justify-content: space-between; align-items: center; padding: .7rem 1rem; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--fg); }
.top nav { display: flex; gap: .6rem; align-items: center; }
.foot { text-align: center; padding: 2rem; font-size: .8rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; margin: .6rem 0; }
.banner { border-radius: var(--radius); padding: 1rem 1.2rem; color: #fff; font-weight: 600; margin: .8rem 0; }
.banner .causes { font-weight: 400; margin: .4rem 0 0; padding-left: 1.2rem; }
.banner a { color: #fff; text-decoration: underline; }
.bg-operational { background: var(--ok); } .bg-maintenance { background: var(--maint); }
.bg-affected { background: var(--affected); } .bg-degraded { background: var(--degraded); } .bg-outage { background: var(--outage); }

.pill { display: inline-block; font-size: .75rem; font-weight: 600; padding: .05rem .5rem; border-radius: 99px; color: #fff; white-space: nowrap; }
.pill.operational { background: var(--ok); } .pill.maintenance { background: var(--maint); }
.pill.affected { background: var(--affected); } .pill.degraded { background: var(--degraded); } .pill.outage { background: var(--outage); }
.tag { display: inline-block; font-size: .75rem; padding: 0 .4rem; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); }

ul.tree, ul.tree ul { list-style: none; margin: 0; padding-left: 1.1rem; }
ul.tree { padding-left: 0; }
.tree li { margin: .15rem 0; }
.tree .row { display: flex; justify-content: space-between; gap: .5rem; padding: .35rem .5rem; border-radius: 6px; }
.tree .row:hover { background: var(--bg); }
details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary .name::before { content: "▸"; color: var(--muted); margin-right: .35rem; }
details[open] > summary .name::before { content: "▾"; }
.tree li > .row .name { padding-left: 1rem; }

.children { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .5rem; }
.children .card { margin: 0; display: flex; justify-content: space-between; align-items: center; gap: .4rem; }

.strip { display: flex; gap: 2px; margin: .4rem 0; }
.strip span { flex: 1; height: 26px; border-radius: 2px; background: var(--ok); opacity: .85; }
.strip span.maintenance { background: var(--maint); } .strip span.affected { background: var(--affected); }
.strip span.degraded { background: var(--degraded); } .strip span.outage { background: var(--outage); }
.strip-legend { display: flex; justify-content: space-between; font-size: .75rem; color: var(--muted); }

.item h3 { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.item .meta { font-size: .85rem; color: var(--muted); }
.body { white-space: pre-wrap; margin: .4rem 0 0; }
.timeline { list-style: none; padding: 0; margin: .5rem 0; border-left: 2px solid var(--line); }
.timeline li { padding: .2rem 0 .6rem .9rem; }

form.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .5rem .8rem; align-items: end; }
form.grid .wide { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); gap: .15rem; }
label.inline { flex-direction: row; align-items: center; gap: .4rem; }
input, select, textarea, button { font: inherit; color: var(--fg); background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: .35rem .5rem; }
textarea { min-height: 5rem; resize: vertical; }
button { cursor: pointer; background: var(--link); border-color: var(--link); color: #fff; font-weight: 600; }
button.secondary { background: var(--card); color: var(--fg); border-color: var(--line); }
button.danger { background: var(--outage); border-color: var(--outage); }
button.link { background: none; border: none; color: var(--link); padding: 0; font-weight: 400; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .35rem .4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em; word-break: break-all; }
.secret { background: var(--bg); border: 1px dashed var(--affected); padding: .5rem; border-radius: 6px; }
.crumbs { font-size: .85rem; color: var(--muted); }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: .5rem; flex-wrap: wrap; }
.tabs { display: flex; gap: .3rem; }
.tabs a { padding: .1rem .6rem; border: 1px solid var(--line); border-radius: 99px; font-size: .8rem; }
.tabs a.on { background: var(--link); color: #fff; border-color: var(--link); }
.toast { position: fixed; bottom: 1rem; right: 1rem; background: var(--fg); color: var(--bg); padding: .6rem 1rem; border-radius: 6px; max-width: 30rem; }
.toast.err { background: var(--outage); color: #fff; }
.hidden { display: none; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); margin: .8rem 0; padding: .6rem 1rem 1rem; background: var(--card); }
legend { font-weight: 600; padding: 0 .3rem; }
textarea.policy { width: 100%; min-height: 14rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }
.err-box { border-color: var(--outage); color: var(--outage); white-space: pre-wrap; }
a.btn { display: inline-block; background: var(--link); color: #fff; font-weight: 600; padding: .35rem .8rem; border-radius: 6px; }