:root {
  /* Selor Design: blue-grey on near-black navy (selordesign.fr theme colour #070b11). */
  --bg: #f2f4f7; --panel: #ffffff; --text: #16202b; --muted: #5a6779; --line: #dce2e9;
  --accent: #3f5d7f; --accent-text: #ffffff; --ok: #1f8a4c; --off: #98a3b1; --warn: #b5541c; --err-bg: #fbeceb; --err: #a3261b;
  --flash-bg: #e7eef6; --code-bg: #eaeef3; --shadow: 0 1px 2px rgba(7,11,17,.06);
  --bar: #070b11; --bar-text: #e3e9f0; --bar-muted: #8e9db0; --bar-hover: #172231;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0f16; --panel: #111923; --text: #e3e8ee; --muted: #8e9bab; --line: #222d3a;
    --accent: #8fa9c8; --accent-text: #070b11; --ok: #4cc27f; --off: #66727f; --warn: #f0a06a; --err-bg: #3a1d1a; --err: #ffb4a8;
    --flash-bg: #16283a; --code-bg: #1a2430; --shadow: none;
    --bar: #070b11; --bar-text: #e3e9f0; --bar-muted: #8e9db0; --bar-hover: #172231;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .75rem; }
code, .cmd { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .9em; background: var(--code-bg); padding: .1em .35em; border-radius: 4px; }
.cmd { display: block; padding: .75rem; white-space: pre-wrap; word-break: break-all; }

.top { display: flex; align-items: center; gap: 1.5rem; padding: .65rem 1.25rem; background: var(--bar); color: var(--bar-text); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .6rem; color: var(--bar-text); }
.brand:hover { text-decoration: none; }
.wordmark { font-weight: 700; letter-spacing: .28em; font-size: 1.05rem; }
.wordmark span { font-weight: 300; letter-spacing: .08em; margin-left: .35em; color: var(--bar-muted); }
.brand img { height: 30px; display: block; }
.top nav { display: flex; gap: .25rem; flex: 1; flex-wrap: wrap; }
.top nav a { color: var(--bar-muted); padding: .35rem .7rem; border-radius: 6px; }
.top nav a.on, .top nav a:hover { color: var(--bar-text); background: var(--bar-hover); text-decoration: none; }
.me { display: flex; align-items: center; gap: 1rem; margin-left: auto; }
.me a { color: var(--bar-text); }
.top button.link { color: var(--bar-muted); }
.top button.link:hover { color: var(--bar-text); }
.me form { margin: 0; }

main { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
main.narrow { max-width: 460px; }
.head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.head.small { margin: 1.5rem 0 .75rem; align-items: center; }
.head.small h2 { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.crumb { margin: 0 0 .25rem; font-size: .9rem; }
.right { text-align: right; }
.empty { color: var(--muted); padding: 1.25rem; border: 1px dashed var(--line); border-radius: 8px; }
.notes { white-space: pre-wrap; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: .75rem 1rem; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.5rem; box-shadow: var(--shadow); }
.card.wide { max-width: 680px; }
.stack { display: grid; gap: 1rem; }
label { display: grid; gap: .3rem; font-weight: 500; }
label.check { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
.hint { font-weight: 400; font-size: .85rem; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: .55rem .7rem; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type=checkbox] { width: auto; }
input.code { font-size: 1.4rem; letter-spacing: .3em; text-align: center; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: .75rem 1rem; display: grid; gap: .4rem; }
legend { padding: 0 .3rem; color: var(--muted); }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; }

button, .button { font: inherit; cursor: pointer; display: inline-block; padding: .5rem .95rem; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--text); }
button:hover, .button:hover { border-color: var(--muted); text-decoration: none; }
.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.primary:hover { filter: brightness(1.05); border-color: var(--accent); }
button.link { border: 0; background: none; padding: 0; color: var(--muted); }
button.link:hover { color: var(--text); }
button.danger { border-color: var(--warn); color: var(--warn); background: transparent; }
form.danger { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
form.danger h2 { margin: 0; }
.inline-danger { margin-top: 1.5rem; }
.resets { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.resets form { margin: 0; }

.flash { background: var(--flash-bg); border-radius: 8px; padding: .65rem 1rem; }
.error { background: var(--err-bg); color: var(--err); border-radius: 8px; padding: .65rem 1rem; }
.temp { background: var(--code-bg); border-radius: 8px; padding: 1rem; }
.secret { font-size: 1.1rem; user-select: all; }
.qr { display: block; margin: 1rem auto; background: #fff; padding: 8px; border-radius: 8px; }
details { margin-bottom: 1rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.tile { display: grid; gap: .2rem; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; color: var(--text); box-shadow: var(--shadow); }
.tile:hover { border-color: var(--accent); text-decoration: none; }
.meta { font-size: .85rem; color: var(--muted); }

.tablewrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .6rem .8rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
tbody tr:last-child td { border-bottom: 0; }
tr.warn td { color: var(--warn); }
td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.badge { display: inline-block; font-size: .78rem; padding: .1rem .5rem; border-radius: 99px; border: 1px solid currentColor; }
.badge.ok { color: var(--ok); }
.badge.off { color: var(--off); }
.badge.warn { color: var(--warn); }

.streams { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1rem; }
.stream { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; display: grid; gap: .6rem; align-content: start; }
.stream header { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.stream .meta { margin: 0; }
.stream .button { justify-self: start; }
.player { width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 6px; background: #000; }

.totals { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin-bottom: .5rem; }
.total { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; display: grid; gap: .25rem; }
.total .label { color: var(--muted); font-size: .85rem; }
.total strong { font-size: 1.6rem; font-variant-numeric: tabular-nums; }
.total canvas { width: 100%; height: 48px; }
canvas.spark { width: 160px; height: 32px; display: block; }
.clock { color: var(--muted); font-size: .85rem; }

@media (max-width: 640px) {
  .top { gap: .75rem; }
  .me { width: 100%; justify-content: space-between; }
  main { padding: 1rem 1rem 2rem; }
}

.version { margin-bottom: 1rem; }
.version .head.small { margin-top: 0; }
.version .meta { margin: .25rem 0; word-break: break-all; }
.version form { margin-top: 1rem; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .row2 { grid-template-columns: 1fr; } }

/* AV equipment cards */
.devices { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.device { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; display: grid; gap: .5rem; align-content: start; }
.device header { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.device .meta { margin: 0; }
.device dl { display: grid; grid-template-columns: max-content 1fr; gap: .2rem .9rem; margin: 0; font-size: .9rem; }
.device dl:empty { display: none; }
.device dt { color: var(--muted); }
.device dd { margin: 0; word-break: break-word; }
.badge.unknown { color: var(--off); border-style: dashed; }
.alert-warning { color: var(--warn); }
.alert-error { color: var(--err); font-weight: 600; }
.driver-help { margin: 0; padding-left: 1.1rem; }
.agent p { margin: 0 0 .75rem; }
.agent .actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.agent form { margin: 0; }

/* Site network diagram */
.netmap { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .75rem; overflow-x: auto; }
.netmap svg { display: block; margin: 0 auto; max-width: 100%; height: auto; font: 13px system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.netmap .lanbox rect { fill: var(--bg); stroke: var(--line); stroke-dasharray: 4 3; }
.netmap .lanbox text { fill: var(--muted); font-size: 12px; }
.netmap .bus { stroke: var(--accent); stroke-width: 3; stroke-linecap: round; }
.netmap .link { stroke: var(--off); stroke-width: 2; }
.netmap .link.vpn.on { stroke: var(--ok); }
.netmap .link.vpn.off { stroke-dasharray: 5 4; }
.netmap .link.lan { stroke: var(--accent); }
.netmap .rate { fill: var(--muted); font-size: 11px; }
.netmap .node rect { fill: var(--panel); stroke: var(--line); stroke-width: 1.5; }
.netmap .node.kind-server rect { fill: var(--bar); stroke: var(--bar); }
.netmap .node.kind-server .label { fill: var(--bar-text); }
.netmap .node.kind-server .sub { fill: var(--bar-muted); }
.netmap .node .label { fill: var(--text); font-weight: 600; }
.netmap .node .sub { fill: var(--muted); font-size: 11px; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.netmap .node circle { fill: var(--off); }
.netmap .node.ok circle { fill: var(--ok); }
.netmap .node.warn circle { fill: var(--warn); }
.netmap .node.warn rect { stroke: var(--warn); }
.netmap .node.off circle { fill: transparent; stroke: var(--off); stroke-width: 2; }
.netmap a:hover rect { stroke: var(--accent); }
code.sha { word-break: break-all; }
.steps { padding-left: 1.3rem; display: grid; gap: .4rem; }
details summary { cursor: pointer; font-weight: 600; }
.actions.end { align-self: end; }
.flash.pending a { font-weight: 600; }
.pending-card details { margin-top: .75rem; }