/* Dark admin theme — colors from the validated reference palette (dark mode). */
:root {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #232322;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5;   /* blue */
  --series-8: #e66767;   /* red */
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); font-size: 14px; }
a { color: var(--series-1); text-decoration: none; }

.layout { display: flex; min-height: 100vh; }

/* ---- sidebar ---- */
.sidebar {
  width: 220px; flex-shrink: 0; background: var(--surface);
  border-right: 1px solid var(--border); padding: 20px 12px;
  display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh;
}
.sidebar .brand { font-size: 16px; font-weight: 700; padding: 0 10px 16px; }
.sidebar .brand span { color: var(--series-1); }
.sidebar a.nav-item {
  color: var(--ink-2); padding: 9px 10px; border-radius: 8px; display: block;
}
.sidebar a.nav-item:hover { background: var(--surface-2); color: var(--ink); }
.sidebar a.nav-item.active { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.sidebar .spacer { flex: 1; }
.sidebar .whoami { color: var(--muted); font-size: 12px; padding: 0 10px 8px; }

/* ---- main ---- */
.main { flex: 1; padding: 28px 32px }
h1 { font-size: 20px; margin: 0 0 20px; }
h2 { font-size: 15px; margin: 0 0 12px; color: var(--ink-2); font-weight: 600; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 20px;
}
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; } }

/* ---- stat tiles ---- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 20px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.tile .label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.tile .value { font-size: 26px; font-weight: 700; }
.tile .value small { font-size: 14px; color: var(--ink-2); font-weight: 400; }

/* ---- tables ---- */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; color: var(--muted); font-size: 12px; font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--grid); }
td { padding: 9px 10px; border-bottom: 1px solid var(--grid); color: var(--ink-2); font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }
td.strong { color: var(--ink); font-weight: 600; }
code { background: var(--surface-2); padding: 2px 6px; border-radius: 5px; font-size: 12.5px; }
pre {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; font-size: 12.5px; line-height: 1.5; overflow: auto; max-height: 480px;
  white-space: pre-wrap; word-break: break-word; color: var(--ink-2); margin: 0;
}

/* ---- badges ---- */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--border); }
.badge.on { color: var(--good); }
.badge.off { color: var(--muted); }
.badge.admin { color: var(--series-1); }
.status-2xx { color: var(--good); }
.status-4xx { color: var(--warning); }
.status-5xx { color: var(--critical); }

/* ---- forms ---- */
form.inline { display: inline; }
label { display: block; color: var(--muted); font-size: 12px; margin: 10px 0 4px; }
input[type=text], input[type=password], input[type=url], input[type=number], select, textarea {
  width: 100%; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--ink); padding: 8px 10px; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--series-1); outline-offset: -1px; }
.checks { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.checks label { display: flex; align-items: center; gap: 6px; margin: 0; color: var(--ink-2); font-size: 13px; }

button, .btn {
  background: var(--series-1); color: #fff; border: none; border-radius: 8px;
  padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--ink-2); font-weight: 500; padding: 5px 10px; font-size: 12.5px; }
button.ghost:hover { background: var(--surface-2); color: var(--ink); }
button.danger { background: transparent; border: 1px solid var(--border); color: var(--critical); font-weight: 500; padding: 5px 10px; font-size: 12.5px; }
button.danger:hover { background: rgba(208, 59, 59, 0.12); }

/* ---- misc ---- */
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.right { margin-left: auto; }
.alert { border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; border: 1px solid var(--border); }
.alert.error { color: var(--critical); }
.alert.success { color: var(--good); background: rgba(12, 163, 12, 0.08); }
.alert.success code { user-select: all; }
.hint { color: var(--muted); font-size: 12px; margin-top: 6px; }
.chart-box { position: relative; height: 260px; }
details.editor { margin-top: 8px; }
details.editor summary { cursor: pointer; color: var(--muted); font-size: 12.5px; }
.range-picker { display: flex; gap: 6px; margin-bottom: 16px; }
.range-picker button.active { background: var(--surface-2); color: var(--ink); }

/* ---- request browser ---- */
tr.req-row { cursor: pointer; }
tr.req-row:hover td { background: var(--surface-2); }
tr.req-row.selected td { background: var(--surface-2); box-shadow: inset 2px 0 0 var(--series-1); }
tr.req-row:focus-visible { outline: 2px solid var(--series-1); outline-offset: -2px; }

/* Split view: list on top, inspector below, each scrolling internally. */
.req-split { display: flex; flex-direction: column; gap: 16px; height: calc(100vh - 130px); }
.req-split .card { margin-bottom: 0; }
.req-list { flex: 1 1 0; min-height: 0; display: flex; flex-direction: column; }
.req-list .table-scroll { flex: 1; min-height: 0; overflow-y: auto; }
.req-list .table-scroll thead th { position: sticky; top: 0; background: var(--surface); z-index: 1; }
#inspector { flex: 1 1 0; min-height: 0; display: flex; flex-direction: column; }
#inspector[hidden] { display: none; }
#inspector .inspector-body { flex: 1; min-height: 0; overflow-y: auto; }
#inspector .inspector-body pre { max-height: none; }

/* ---- on/off switch ---- */
.switch { position: relative; display: inline-block; width: 36px; height: 20px; vertical-align: middle; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; inset: 0; cursor: pointer; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); transition: background .15s;
}
.switch .slider::before {
  content: ""; position: absolute; width: 14px; height: 14px; border-radius: 50%;
  left: 2px; top: 2px; background: var(--muted); transition: transform .15s, background .15s;
}
.switch input:checked + .slider { background: var(--good); border-color: transparent; }
.switch input:checked + .slider::before { transform: translateX(16px); background: #fff; }
.switch input:focus-visible + .slider { outline: 2px solid var(--series-1); }

/* ---- icon buttons ---- */
button.icon {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  padding: 4px 7px; line-height: 0; border-radius: 7px;
}
button.icon:hover { color: var(--critical); background: rgba(208, 59, 59, 0.12); }
button.armed {
  color: #fff !important; background: var(--critical) !important;
  border-color: var(--critical) !important; line-height: 1.2;
  font-size: 12px; font-weight: 600;
}
button.icon.edit:hover { color: var(--series-1); background: rgba(57, 135, 229, 0.12); }

/* ---- connectivity validation ---- */
.vresult { font-size: 12px; margin-left: 6px; }
.vresult.ok { color: var(--good); }
.vresult.warn { color: var(--warning); }
.vresult.err { color: var(--critical); }

/* ---- modal overlay ---- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100; display: none;
  background: rgba(0, 0, 0, 0.55); backdrop-filter: blur(2px);
  align-items: flex-start; justify-content: center; padding: 7vh 20px 40px;
}
.modal-overlay.open { display: flex; }
.modal {
  position: relative; width: 100%; max-width: 720px;
  max-height: 86vh; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 22px;
}
.modal > h2 { margin: 0 32px 14px 0; color: var(--ink); }
.modal .modal-close { position: absolute; top: 14px; right: 14px; }

/* ---- spinner ---- */
.spinner, .tree.syncing::after {
  display: inline-block; width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--grid); border-top-color: var(--series-1);
  animation: spin .8s linear infinite; vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- endpoint tree picker ---- */
.tree { position: relative; }
.tree.syncing::after { content: ""; position: absolute; top: 4px; right: 4px; }
.tree.syncing { opacity: .75; }
.tree details { margin: 0; }
.tree summary { list-style: none; cursor: pointer; padding: 3px 0; }
.tree summary::-webkit-details-marker { display: none; }
.tree summary::before { content: "▸"; display: inline-block; width: 14px; color: var(--muted); transition: transform .1s; }
.tree details[open] > summary::before { transform: rotate(90deg); }
.tree .tree-children { margin-left: 22px; border-left: 1px solid var(--grid); padding-left: 12px; }
.tree label { display: flex; align-items: center; gap: 7px; margin: 0; padding: 3px 0; color: var(--ink-2); font-size: 13px; cursor: pointer; }
.tree summary label { display: inline-flex; }
.tree .seg { color: var(--ink); font-weight: 600; font-size: 13px; }
.mchip {
  display: inline-block; min-width: 42px; text-align: center; font-size: 10.5px; font-weight: 700;
  padding: 1px 6px; border-radius: 5px; background: var(--surface-2); color: var(--series-1);
  border: 1px solid var(--border); letter-spacing: .3px;
}
.tree .ep-desc { color: var(--muted); font-size: 12px; }

/* ---- login ---- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; }
.login-card { width: 340px; }