/* WYNet Control Plane — interim admin console. Deliberately minimal: no branding chrome, just the
   working surfaces. A neutral, dense, readable layout meant to be replaced/augmented by the final UI. */
:root {
  --bg: #0e1116; --panel: #161b22; --panel-2: #1c2330; --line: #2a313c;
  --text: #d7dde5; --muted: #8b95a3; --accent: #4c8bf5; --accent-d: #3b6fc4;
  --ok: #3fb950; --warn: #d29922; --err: #f85149; --chip: #233044;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 14px; }
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; }
.hidden { display: none !important; }

/* Top tab bar */
.tabs { display: flex; gap: 2px; background: var(--panel); border-bottom: 1px solid var(--line);
        padding: 0 12px; position: sticky; top: 0; z-index: 10; }
.tabs a { padding: 13px 18px; color: var(--muted); font-weight: 500; border-bottom: 2px solid transparent; }
.tabs a:hover { color: var(--text); }
.tabs a.active { color: var(--text); border-bottom-color: var(--accent); }
.tabs .spacer { flex: 1; }
.tabs .who { padding: 13px 14px; color: var(--muted); font-size: 12px; }
.tabs .who b { color: var(--text); }
.tabs .who button { background: none; border: none; color: var(--accent); cursor: pointer; margin-left: 10px; }

.wrap { padding: 20px; max-width: 1200px; margin: 0 auto; }
.row { display: flex; gap: 20px; align-items: flex-start; }
.row > * { flex: 1; min-width: 0; }

/* Settings sub-nav */
.subnav { display: flex; gap: 4px; margin-bottom: 18px; flex-wrap: wrap; }
.subnav a { padding: 6px 12px; border-radius: 6px; color: var(--muted); background: var(--panel); border: 1px solid var(--line); }
.subnav a.active { color: var(--text); border-color: var(--accent); }

/* Tables */
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line);
        border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap;
         overflow: hidden; text-overflow: ellipsis; max-width: 320px; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tbody tr:last-child td { border-bottom: none; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--panel-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); }

/* Cards / detail */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 18px; margin-bottom: 16px; }
.card h3 { margin: 0 0 14px; font-size: 15px; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12px; }
h2.title { margin: 0 0 16px; font-size: 18px; font-weight: 600; }
.bar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.bar h2 { margin: 0; flex: 1; font-size: 18px; }

/* Chips / badges */
.chip { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; background: var(--chip);
        color: var(--text); border: 1px solid var(--line); }
.b-ok { color: var(--ok); border-color: #1f4527; background: #112418; }
.b-warn { color: var(--warn); border-color: #443214; background: #241d0f; }
.b-err { color: var(--err); border-color: #4a2326; background: #2a1517; }
.b-mut { color: var(--muted); }

/* Forms */
label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 5px; }
input, select, textarea {
  width: 100%; background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 8px 10px; font-family: inherit; font-size: 14px;
}
textarea { resize: vertical; min-height: 90px; }
textarea.code { font-family: var(--mono); font-size: 12px; min-height: 220px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 16px; }

/* Buttons */
.btn { background: var(--accent); color: #fff; border: none; border-radius: 6px; padding: 8px 16px;
       font-size: 14px; cursor: pointer; font-weight: 500; }
.btn:hover { background: var(--accent-d); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn.ghost:hover { background: var(--panel-2); }
.btn.danger { background: transparent; border: 1px solid #4a2326; color: var(--err); }
.btn.danger:hover { background: #2a1517; }
.btn.sm { padding: 5px 11px; font-size: 12px; }
.actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

/* Metrics row (cost summary) */
.metrics { display: flex; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.metric { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px 18px; min-width: 140px; }
.metric .v { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.metric .k { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* Login overlay */
.overlay { position: fixed; inset: 0; background: var(--bg); display: flex; align-items: center; justify-content: center; z-index: 100; }
.login { width: 340px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 28px; }
.login h1 { font-size: 17px; margin: 0 0 4px; }
.login p.sub { color: var(--muted); margin: 0 0 18px; font-size: 13px; }
.login .err { color: var(--err); font-size: 13px; min-height: 18px; margin-top: 10px; }

/* Toast */
#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--panel-2);
         border: 1px solid var(--line); border-radius: 8px; padding: 11px 18px; z-index: 200; box-shadow: 0 6px 20px rgba(0,0,0,.4); }
#toast.err { border-color: #4a2326; }
.empty { color: var(--muted); padding: 40px; text-align: center; }
.back { color: var(--muted); cursor: pointer; font-size: 13px; }
.back:hover { color: var(--text); }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 16px; font-size: 13px; }
.kv .k { color: var(--muted); }
.nodelist { display: flex; flex-direction: column; gap: 8px; }
.node { background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; }
.node .n { font-weight: 600; } .node .t { color: var(--muted); font-size: 12px; }
.arrow { color: var(--muted); text-align: center; font-size: 12px; }