:root {
  --header: #003333;
  --header-text: #ffffff;
  --bar: #222;
  --primary: #337ab7;
  --primary-dark: #2a6496;
  --accent: #7b6fe8;
  --bg: #f4f4f4;
  --panel: #ffffff;
  --border: #d9d9d9;
  --text: #222;
  --muted: #777;
  --ok: #5cb85c;
  --warn: #f0ad4e;
  --err: #d9534f;
  --grid: #e8e8e8;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px; color: var(--text); background: var(--bg);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* header like the original portal */
.top { background: var(--header); color: var(--header-text); padding: 14px 24px; display: flex; align-items: center; gap: 16px; min-height: 76px; }
.brand {
  font-family: Impact, "Arial Black", "Helvetica Neue", sans-serif;
  font-size: 32px; letter-spacing: .5px; margin: 0;
  text-shadow: 1px 1px 0 #000;
}
.nav { background: var(--bar); display: flex; flex-wrap: wrap; align-items: center; padding: 0 16px; }
.nav button {
  background: none; border: 0; color: #ddd; font-size: 16px; padding: 12px 16px; cursor: pointer;
}
.nav button:hover { color: #fff; }
.nav button.active { color: #fff; box-shadow: inset 0 -3px 0 var(--primary); }
.nav .spacer { flex: 1; }
.nav a { color: #bbb; padding: 12px 8px; font-size: 14px; }
.crumb { background: #f0f0f0; color: var(--muted); padding: 8px 24px; border-bottom: 1px solid var(--border); }
.crumb b { color: var(--primary); font-weight: normal; }

.layout > * { min-width: 0; }
.layout { display: grid; grid-template-columns: 240px 1fr; gap: 16px; padding: 16px; max-width: 1400px; margin: 0 auto; }
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; padding: 12px; }
  .top { padding: 14px 16px; }
  .brand { font-size: 26px; }
  .nav button { font-size: 14px; padding: 10px 10px; }
}

.panel { background: var(--panel); border: 1px solid var(--primary); border-radius: 4px; margin-bottom: 16px; overflow: hidden; }
.panel > h3 {
  margin: 0; padding: 10px 15px; font-size: 15px; font-weight: normal; color: #fff;
  background: linear-gradient(#3c8dcf, var(--primary)); display: flex; align-items: center; gap: 8px;
}
.panel > h3 .right { margin-left: auto; font-size: 13px; opacity: .9; }
.panel .body { padding: 15px; }

/* device tree */
.tree { list-style: none; margin: 0; padding: 6px 0; }
.tree .region { padding: 6px 15px; color: var(--muted); font-size: 13px; }
.tree li.dev { padding: 8px 15px 8px 26px; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.tree li.dev:hover { background: #eef5fb; }
.tree li.dev.sel { background: #dbeaf7; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.on { background: #a5de37; }
.dot.off { background: var(--err); }
.tree small { color: var(--muted); display: block; font-size: 11px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; color: #fff; background: var(--muted); }
.badge.L { background: var(--primary); }
.badge.B { background: var(--warn); }
.badge.F { background: var(--err); }
.badge.S, .badge.H { background: #888; }

/* power flow */
.flow { background: #666; border-radius: 4px; padding: 10px; overflow-x: auto; }
.flow svg { display: block; margin: 0 auto; max-width: 100%; height: auto; }
.flow text { fill: #fff; font-size: 13px; font-family: inherit; }
.flow .lbl { font-size: 11px; fill: #ddd; }
.flow .box { fill: #4a4a4a; stroke: #999; stroke-width: 1.5; }
.flow .line { stroke: #888; stroke-width: 4; fill: none; }
.flow .line.live { stroke: #a5de37; stroke-dasharray: 10 8; animation: dash 1s linear infinite; }
.flow .line.live.rev { animation-direction: reverse; }
@keyframes dash { to { stroke-dashoffset: -18; } }
@media (prefers-reduced-motion: reduce) { .flow .line.live { animation: none; } }

.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 0 24px; }
.kv div { display: flex; justify-content: space-between; border-bottom: 1px solid var(--grid); padding: 7px 0; }
.kv span:first-child { color: var(--muted); }
.kv b { font-weight: 600; }
.kv .unv span:first-child { font-style: italic; }

.totals { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.tile { border: 1px solid var(--border); border-radius: 4px; padding: 12px; background: #fafafa; }
.tile .v { font-size: 24px; font-weight: 600; }
.tile .k { color: var(--muted); font-size: 12px; margin-top: 2px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { border: 1px solid #ddd; padding: 6px 8px; text-align: center; white-space: nowrap; }
thead th { background: #f5f5f5; }
tbody tr:nth-child(odd) { background: #f9f9f9; }
tbody tr:hover { background: #f0f6fc; }
.tablewrap { overflow-x: auto; }
td.l, th.l { text-align: left; }
.lvl-warning { color: #b07400; }
.lvl-error { color: var(--err); font-weight: 600; }

.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.controls label { color: var(--muted); }
input, select { font: inherit; padding: 6px 8px; border: 1px solid #ccc; border-radius: 4px; background: #fff; color: var(--text); }
.btn { font: inherit; padding: 6px 14px; border: 1px solid var(--primary-dark); border-radius: 4px; background: var(--primary); color: #fff; cursor: pointer; }
.btn:hover { background: var(--primary-dark); }
.btn.ghost { background: #fff; color: var(--primary); border-color: #ccc; }
.btn.ghost.active { background: var(--primary); color: #fff; border-color: var(--primary-dark); }
.btn.big { background: var(--accent); border-color: #6a5ed6; font-size: 24px; padding: 14px 44px; }
.btn.big:hover { background: #6a5ed6; }

.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 1000px) { .charts { grid-template-columns: 1fr; } }
.chartbox { position: relative; height: 280px; }

.muted { color: var(--muted); }
.raw { font-family: ui-monospace, Consolas, monospace; font-size: 12px; word-break: break-all; background: #f7f7f7; padding: 8px; border: 1px solid #e3e3e3; border-radius: 4px; }
.empty { padding: 30px; text-align: center; color: var(--muted); }
.hidden { display: none !important; }

/* login */
.login-wrap { max-width: 560px; margin: 24px auto; padding: 0 16px; }
.login-wrap .field { margin-bottom: 16px; }
.login-wrap label { display: block; font-weight: bold; margin-bottom: 6px; }
.login-wrap input { width: 100%; padding: 9px 12px; }
.err { color: var(--err); margin-bottom: 12px; }

/* roles */
body:not(.is-admin) .admin-only { display: none !important; }
.nav .who { font-size: 14px; color: #bbb; }
.btn.danger { background: #fff; color: var(--err); border-color: #e3b3b1; }
.btn.danger:hover { background: var(--err); color: #fff; }
.btn.small { padding: 3px 10px; font-size: 12px; }
.ok-msg { color: #2e7d32; }
.err-msg { color: var(--err); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.settings-grid { display: grid; grid-template-columns: 180px minmax(0, 520px); gap: 10px 16px; align-items: start; }
.settings-grid > label { padding-top: 7px; font-weight: 600; }
.settings-grid input, .settings-grid select { width: 100%; }
.settings-grid small { display: block; margin-top: 3px; }
.settings-grid .row2 { display: flex; gap: 8px; }
.settings-grid .row2 select { flex: 1; }
@media (max-width: 700px) { .settings-grid { grid-template-columns: 1fr; } .settings-grid > label { padding-top: 0; } }

.chk { display: inline-flex; align-items: center; gap: 5px; margin: 2px 12px 2px 0; white-space: nowrap; cursor: pointer; }

.logo-box { background: #fff; border-radius: 6px; padding: 4px 8px; display: inline-flex; align-items: center; flex: none; }
.logo { display: block; max-height: 44px; max-width: 220px; width: auto; height: auto; }
.logo-preview { min-height: 52px; display: flex; align-items: center; }
.logo-preview img { max-height: 60px; max-width: 280px; border: 1px solid var(--border); border-radius: 4px; padding: 4px; background: #fff; }
@media (max-width: 800px) { .logo { max-height: 34px; max-width: 140px; } .top { gap: 10px; min-height: 60px; } }
@media (max-width: 500px) { .brand { font-size: 20px; } }