:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --rx: #2563eb;
  --tx: #16a34a;
  --sidebar: #0f172a;
  --sidebar-text: #cbd5e1;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1120; --surface: #111827; --surface-2: #0f172a; --border: #1f2937;
    --text: #e5e7eb; --muted: #94a3b8; --accent: #60a5fa; --accent-soft: #1e3a8a;
    --rx: #60a5fa; --tx: #4ade80; --sidebar: #020617; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1120; --surface: #111827; --surface-2: #0f172a; --border: #1f2937;
  --text: #e5e7eb; --muted: #94a3b8; --accent: #60a5fa; --accent-soft: #1e3a8a;
  --rx: #60a5fa; --tx: #4ade80; --sidebar: #020617; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/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: 22px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0; }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
.boot { padding: 40px; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.grow { flex: 1; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 16px; }

/* Shell */
.shell { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  background: var(--sidebar); color: var(--sidebar-text); padding: 16px 10px;
  display: flex; flex-direction: column; gap: 2px; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 17px; padding: 4px 10px 18px; }
.brand img { width: 28px; height: 28px; }
.nav-section { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #64748b; padding: 14px 10px 4px; }
.nav a {
  display: flex; align-items: center; gap: 10px; color: var(--sidebar-text); padding: 8px 10px;
  border-radius: 8px; text-decoration: none;
}
.nav a:hover { background: rgba(255, 255, 255, .06); }
.nav a.active { background: rgba(96, 165, 250, .16); color: #fff; }
.nav svg { width: 17px; height: 17px; flex: none; opacity: .85; }
.sidebar .spacer { flex: 1; }
.user-box { border-top: 1px solid rgba(255, 255, 255, .08); padding: 12px 10px 0; font-size: 13px; }
.user-box .name { color: #fff; }
.user-box button { margin-top: 8px; }
.main { padding: 24px 28px 48px; min-width: 0; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.crumbs a { color: var(--muted); }
.mobile-bar { display: none; }

@media (max-width: 860px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 240px; z-index: 50; transform: translateX(-100%); transition: transform .2s; }
  .shell.nav-open .sidebar { transform: none; }
  .mobile-bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--sidebar); color: #fff; font-weight: 700; }
  .mobile-bar button { background: none; border: 0; color: #fff; padding: 4px; }
  .main { padding: 16px; }
}

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-body { padding: 16px; }
a.card { color: inherit; text-decoration: none; }
a.card:hover { border-color: var(--accent); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat { padding: 14px 16px; }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 26px; font-weight: 650; margin-top: 2px; }
.stat .value.bad { color: var(--bad); }
.stat .value.ok { color: var(--ok); }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; overflow-wrap: anywhere; }

/* Buttons & forms */
[hidden] { display: none !important; }
button, .btn {
  font: inherit; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
  text-decoration: none; white-space: nowrap;
}
button:hover, .btn:hover { border-color: var(--muted); text-decoration: none; }
button:disabled { opacity: .55; cursor: default; }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
:root[data-theme="dark"] button.primary { color: #0b1120; }
button.danger { color: var(--bad); }
button.danger:hover { border-color: var(--bad); }
button.small, .btn.small { padding: 3px 9px; font-size: 12.5px; }
button.ghost { background: none; border-color: transparent; }
button.ghost:hover { border-color: var(--border); }
button.link { background: none; border: 0; padding: 0; color: var(--accent); }
.sidebar button { background: rgba(255,255,255,.06); color: var(--sidebar-text); border-color: rgba(255,255,255,.1); }

label.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.field > span.hint { font-size: 12px; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[type="checkbox"] { width: auto; }
label.check { display: flex; gap: 8px; align-items: center; font-size: 13.5px; }
textarea { min-height: 80px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid.three { grid-template-columns: 1fr 1fr 1fr; }
.settings { max-width: 760px; }
@media (max-width: 600px) { .form-grid, .form-grid.three { grid-template-columns: 1fr; } }
.search { max-width: 280px; }
/* List-page toolbar: primary action on the left, search/filters pushed right */
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: -8px 0 16px; }
.toolbar .filters { display: flex; align-items: center; gap: 8px; margin-left: auto; min-width: 0; max-width: 100%; }
.toolbar .filters > select { width: auto; flex: none; }
.toolbar .filters > .search { width: 280px; flex: 0 1 280px; min-width: 0; }
@media (max-width: 600px) {
  .toolbar .filters { flex: 1 1 100%; margin-left: 0; }
  .toolbar .filters > .search { flex: 1 1 auto; width: auto; max-width: none; }
}
.error-box { background: color-mix(in srgb, var(--bad) 12%, transparent); color: var(--bad); padding: 9px 12px; border-radius: 8px; font-size: 13px; }
.info-box { background: var(--accent-soft); padding: 9px 12px; border-radius: 8px; font-size: 13px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; background: var(--surface-2); position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover { background: var(--surface-2); }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* Badges / status */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--surface-2); border: 1px solid var(--border); white-space: nowrap; }
.badge.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.badge.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 35%, transparent); }
.badge.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; flex: none; }
.dot.online, .dot.ok { background: var(--ok); }
.dot.offline, .dot.bad { background: var(--bad); }
.dot.warn { background: var(--warn); }

/* Tabs */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tabs a { padding: 8px 14px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(2, 6, 23, .55); display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; z-index: 100; overflow-y: auto; }
.modal { background: var(--surface); border-radius: 12px; width: 100%; max-width: 620px; box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.modal.wide { max-width: 980px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.modal-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--border); }

/* Toasts */
.toasts { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 380px; }
.toast.error { background: var(--bad); color: #fff; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login { width: 100%; max-width: 380px; }
.login .brand { color: var(--text); justify-content: center; padding-bottom: 8px; }
.login form { display: flex; flex-direction: column; gap: 14px; }
.qr { display: block; margin: 0 auto; width: 200px; height: 200px; background: #fff; border-radius: 8px; }

/* Map */
.map { height: 360px; border-radius: 0 0 var(--radius) var(--radius); z-index: 0; }
.map.small { height: 240px; }
.map-picker { position: relative; }
.map-picker .map { border-radius: var(--radius); border: 1px solid var(--border); }
.map-crosshair { position: absolute; left: 50%; top: 50%; width: 26px; height: 26px; margin: -13px 0 0 -13px; pointer-events: none; z-index: 500; }
.map-crosshair::before, .map-crosshair::after { content: ""; position: absolute; background: #dc2626; box-shadow: 0 0 0 1px #fff; }
.map-crosshair::before { left: 12px; top: 0; width: 2px; height: 26px; }
.map-crosshair::after { top: 12px; left: 0; height: 2px; width: 26px; }
.leaflet-bar a.map-home { display: flex; align-items: center; justify-content: center; color: #333; }
.leaflet-popup-content { font: 13px/1.4 system-ui, sans-serif; }

/* Dashboard */
.dash { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 170px; gap: 14px; }
@media (max-width: 1000px) { .dash { grid-template-columns: repeat(6, 1fr); } .dash > .widget { grid-column: span 6 !important; } }
.widget { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.widget .card-head { padding: 8px 12px; }
.widget .w-body { flex: 1; min-height: 0; overflow: auto; padding: 10px 12px; }
.widget .w-body.flush { padding: 0; display: flex; flex-direction: column; }
.widget.editing { outline: 2px dashed var(--accent); outline-offset: 2px; }
.widget.drag-over { outline: 2px solid var(--accent); }
.widget .w-tools { display: flex; gap: 4px; align-items: center; }
.widget .w-tools select { width: auto; padding: 2px 6px; font-size: 12px; }
.handle { cursor: grab; color: var(--muted); user-select: none; }
.meter { height: 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.meter > div { height: 100%; background: var(--accent); }
.meter.warn > div { background: var(--warn); }
.meter.bad > div { background: var(--bad); }
.metric-row { display: grid; grid-template-columns: 64px 1fr auto; gap: 10px; align-items: center; margin-bottom: 10px; font-size: 13px; }
.chart-legend { display: flex; gap: 14px; font-size: 12.5px; padding: 6px 12px 0; }
.chart-legend b { font-variant-numeric: tabular-nums; }
.swatch { display: inline-block; width: 10px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 5px; }
.chart-box { flex: 1; min-height: 0; padding: 0 4px 4px; }
.log-list { font-family: var(--mono); font-size: 12px; }
.log-line { display: grid; grid-template-columns: 64px 170px 1fr; gap: 10px; padding: 2px 12px; border-bottom: 1px solid var(--border); }
.log-line .t { color: var(--muted); }
.log-line .tp { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-line.error .tp, .log-line.critical .tp, .log-line.error .m, .log-line.critical .m { color: var(--bad); }
.log-line.warning .tp, .log-line.warning .m { color: var(--warn); }
table.compact th, table.compact td { padding: 4px 10px; font-size: 12.5px; }
.num { font-variant-numeric: tabular-nums; text-align: right; }
.live-pill { font-size: 12px; }

/* Backups */
.diff { font-family: var(--mono); font-size: 12px; white-space: pre; overflow: auto; max-height: 65vh; margin: 0; padding: 8px 0; background: var(--surface-2); border-radius: 8px; }
.diff div { padding: 0 12px; }
.diff .add { background: color-mix(in srgb, var(--ok) 16%, transparent); }
.diff .del { background: color-mix(in srgb, var(--bad) 16%, transparent); }
.diff .hunk { color: var(--accent); }
pre.config { white-space: pre; overflow: auto; max-height: 65vh; background: var(--surface-2); padding: 12px; border-radius: 8px; margin: 0; }
.contact-row { display: grid; grid-template-columns: 110px 140px 1fr auto; gap: 8px; }
@media (max-width: 600px) { .contact-row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) {
  .log-line { grid-template-columns: 64px 1fr; }
  .log-line .m { grid-column: 1 / -1; }
}