:root {
  --bg: #f6f7f9; --fg: #1d2330; --muted: #667085; --card: #fff; --line: #e3e6eb;
  --primary: #2f5bd3; --primary-fg: #fff; --error: #b42318;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171d; --fg: #e8eaee; --muted: #98a2b3; --card: #1d2129; --line: #2c313b;
          --primary: #6d8ff0; --primary-fg: #0d1117; --error: #f97066; }
}
* { 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; }
.top { display: flex; align-items: center; gap: 1.5rem; padding: .75rem 1.5rem;
       background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-weight: 600; color: inherit; text-decoration: none; }
nav { display: flex; gap: 1rem; flex: 1; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--fg); }
.logout { margin-left: auto; }
main { max-width: 72rem; margin: 0 auto; padding: 1.5rem; }
h1 { margin: 0 0 .5rem; font-size: 1.5rem; }
h2 { margin: 0 0 .25rem; font-size: 1.05rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: .5rem; padding: 1.25rem; }
.narrow { max-width: 28rem; margin: 3rem auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); gap: 1rem; margin-top: 1.25rem; }
.muted { color: var(--muted); }
.error { color: var(--error); }
code { background: var(--bg); padding: .1rem .35rem; border-radius: .25rem; }
button { font: inherit; cursor: pointer; }
button.primary { background: var(--primary); color: var(--primary-fg); border: 0; border-radius: .375rem;
                 padding: .5rem 1.25rem; }
button.link { background: none; border: 0; color: var(--muted); padding: 0; }
button.link:hover { color: var(--fg); }
.heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
a.button { background: var(--primary); color: var(--primary-fg); border-radius: .375rem; padding: .45rem 1rem;
           text-decoration: none; }
a { color: var(--primary); }
a.link-card { color: inherit; text-decoration: none; }
a.link-card:hover { border-color: var(--primary); }
section.card { margin-bottom: 1.25rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: .85rem; }
td.url { color: var(--muted); max-width: 22rem; overflow-wrap: anywhere; }
.badge { display: inline-block; padding: .05rem .5rem; border-radius: 1rem; font-size: .8rem; }
.badge.ok { background: #d1fadf; color: #05603a; }
.badge.busy { background: #fef0c7; color: #93370d; }
.badge.off { background: var(--line); color: var(--muted); }
.form { display: grid; gap: .75rem; max-width: 34rem; margin-top: .75rem; }
.form label { display: grid; gap: .25rem; }
.form label.check, label.check { display: flex; gap: .5rem; align-items: center; }
input, select { font: inherit; padding: .45rem .6rem; border: 1px solid var(--line); border-radius: .375rem;
                background: var(--bg); color: var(--fg); }
input[type=checkbox] { padding: 0; }
fieldset.inline { border: 0; padding: 0; margin: 0; display: flex; gap: 1rem; flex-wrap: wrap; }
fieldset.inline legend { color: var(--muted); padding: 0; margin-bottom: .25rem; }
.hint { color: var(--muted); font-size: .85rem; margin: 0; }
.flash { background: #d1fadf; color: #05603a; padding: .6rem .9rem; border-radius: .375rem; }
.flash.error, .errors { background: #fee4e2; color: #912018; padding: .6rem .9rem; border-radius: .375rem; }
.errors { margin: .5rem 0; padding-left: 1.75rem; }
details summary { cursor: pointer; color: var(--primary); margin-top: 1rem; }
.tabs { display: flex; gap: .25rem; margin: .5rem 0 1rem; flex-wrap: wrap; }
.tabs a { padding: .35rem .8rem; border-radius: .375rem; text-decoration: none; color: var(--muted);
          border: 1px solid var(--line); }
.tabs a.active { color: var(--fg); border-color: var(--primary); }
.flash.warn { background: #fef0c7; color: #93370d; }
fieldset.step { margin: 0 0 .75rem; }
fieldset.step.has-errors { border-color: var(--error); }
fieldset.step.danger { border-left: 4px solid var(--error); }
.danger-text { color: var(--error); }
.step-head { display: flex; align-items: center; gap: .75rem; }
.step-no { font-weight: 600; min-width: 1.5rem; color: var(--muted); }
.step-actions { margin-left: auto; display: flex; gap: .75rem; font-size: 1.1rem; }
.step-actions button:disabled { opacity: .3; cursor: default; }
.step-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); gap: .6rem 1rem;
               margin-top: .6rem; }
.step-fields label { display: grid; gap: .2rem; align-content: start; }
textarea { font: .85rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; padding: .45rem .6rem;
           border: 1px solid var(--line); border-radius: .375rem; background: var(--bg); color: var(--fg); width: 100%; }
.step-add { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin: .5rem 0; }
.step-add .primary { margin-left: auto; }
pre { font-size: .8rem; max-height: 20rem; overflow: auto; background: var(--bg); padding: .5rem; border-radius: .375rem; }
.badge.warn { background: #fee4e2; color: #912018; }
.changes div { margin-bottom: .2rem; }
.changes details { margin-left: 1rem; }
.filters { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-bottom: .5rem; }
.inline-buttons { display: flex; gap: .5rem; }
.grid-table th { width: 7rem; color: var(--fg); font-weight: 600; }
button.toggle { background: var(--bg); border: 1px solid var(--line); border-radius: .375rem; padding: .3rem .7rem;
                color: var(--muted); margin: .15rem .25rem .15rem 0; }
button.toggle.on { border-color: var(--primary); color: var(--fg); }
button.danger { background: var(--error); color: #fff; border: 0; border-radius: .375rem; padding: .5rem 1.25rem; }
form.inline { display: inline; margin-left: .5rem; }
.flash.pending { margin-bottom: .75rem; }
form.row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .5rem 0; border-bottom: 1px solid var(--line); }