:root {
  --bg: #eef1f4;
  --sidebar: #15202b;
  --sidebar-text: #c5d0da;
  --sidebar-active: #1f9d7a;
  --panel: #ffffff;
  --ink: #15202b;
  --muted: #5f6e7c;
  --line: #d7dee6;
  --accent: #0f7a5f;
  --accent-soft: #e6f5f0;
  --warn: #9a5b12;
  --warn-soft: #fff3e0;
  --danger: #b42318;
  --danger-soft: #fdeceb;
  --ok: #0f7a5f;
  --ok-soft: #e6f5f0;
  --shadow: 0 1px 2px rgba(21, 32, 43, 0.06), 0 8px 24px rgba(21, 32, 43, 0.04);
  --font: "Source Sans 3", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
}

.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0.85rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 0.35rem 0.65rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 0.75rem;
}
.sidebar-brand strong {
  display: block;
  color: #fff;
  font-size: 0.98rem;
}
.sidebar-brand span {
  display: block;
  font-size: 0.78rem;
  opacity: 0.7;
}
.logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(145deg, #1f9d7a, #0b5a46);
  flex-shrink: 0;
}

.nav { display: flex; flex-direction: column; gap: 0.35rem; flex: 1; }

.nav-group { display: flex; flex-direction: column; gap: 0.2rem; }
.nav-group:not(.open) .nav-children { display: none; }
.nav-product {
  appearance: none;
  border: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  width: 100%;
  font-weight: 600;
  font-size: 0.92rem;
}
.nav-product:hover { background: rgba(255,255,255,0.06); }
.nav-group.active > .nav-product {
  background: rgba(31, 157, 122, 0.12);
}

.nav-children {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-left: 0.55rem;
  margin-left: 0.65rem;
  border-left: 1px solid rgba(255,255,255,0.1);
}
.nav-item {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  text-decoration: none;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
}
.nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-child {
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-group.active > .nav-product,
.nav-group .nav-product.active {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.nav-item.active {
  background: rgba(31, 157, 122, 0.18);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--sidebar-active);
}
.nav-count {
  font-family: var(--mono);
  font-size: 0.75rem;
  background: rgba(255,255,255,0.1);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}
.nav-count.warn { background: #9a5b12; color: #fff; }

.sidebar-foot {
  padding: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.82rem;
  display: grid;
  gap: 0.35rem;
}
.pill-row { display: flex; align-items: center; gap: 0.45rem; }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #6b7785;
}
.dot.ok { background: #2ecc9b; }
.muted { opacity: 0.7; }

.main {
  padding: 1.5rem 1.75rem 2.5rem;
  min-width: 0;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.page-head h1 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}
.page-head p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.view { display: none; }
.view.active { display: block; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.overview-metrics {
  grid-template-columns: repeat(8, minmax(0, 1fr));
}
@media (max-width: 1200px) {
  .overview-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .overview-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem 1rem;
  box-shadow: var(--shadow);
}
.metric .value {
  font-family: var(--mono);
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1.1;
}
.metric .label {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.metric .hint {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.overview-mid,
.overview-bottom {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
@media (max-width: 980px) {
  .overview-mid,
  .overview-bottom { grid-template-columns: 1fr; }
}

.overview-health {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.25rem 1.35rem;
}
@media (max-width: 560px) {
  .overview-health { grid-template-columns: 1fr; justify-items: center; }
}

.health-gauge {
  position: relative;
  width: 120px;
  height: 120px;
}
.gauge-svg {
  width: 120px;
  height: 120px;
  transform: rotate(-90deg);
}
.gauge-track {
  fill: none;
  stroke: #e6ebf0;
  stroke-width: 10;
}
.gauge-arc {
  fill: none;
  stroke: var(--ok);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 301.6;
  stroke-dashoffset: 301.6;
  transition: stroke-dashoffset 0.45s ease, stroke 0.3s ease;
}
.gauge-arc.warn { stroke: var(--warn); }
.gauge-arc.danger { stroke: var(--danger); }
.gauge-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  pointer-events: none;
}
.gauge-label strong {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1;
}
.gauge-label span {
  margin-top: 0.25rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.health-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
  width: 100%;
}
.health-checklist li {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 0.55rem;
  align-items: start;
  font-size: 0.9rem;
}
.health-checklist .check-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 0.1rem;
}
.health-checklist .check-icon.ok { background: var(--ok-soft); color: var(--ok); }
.health-checklist .check-icon.warn { background: var(--warn-soft); color: var(--warn); }
.health-checklist .check-icon.danger { background: var(--danger-soft); color: var(--danger); }
.health-checklist .check-title { font-weight: 600; }
.health-checklist .check-detail { color: var(--muted); font-size: 0.8rem; }
.health-checklist .check-state {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ok);
  white-space: nowrap;
}
.health-checklist .check-state.warn { color: var(--warn); }
.health-checklist .check-state.danger { color: var(--danger); }

.traffic-chart-wrap {
  padding: 0.75rem 1rem 1.1rem;
}
.traffic-chart-stage {
  position: relative;
}
.traffic-chart {
  width: 100%;
  height: 200px;
  display: block;
  background: linear-gradient(180deg, #f8fbfa 0%, #fff 70%);
  border-radius: 8px;
  border: 1px solid #edf1f4;
  cursor: crosshair;
}
.traffic-chart .axis { stroke: #e4eaef; stroke-width: 1; }
.traffic-chart .grid { stroke: #eef2f5; stroke-width: 1; }
.traffic-chart .line-sent {
  fill: none;
  stroke: var(--ok);
  stroke-width: 2.25;
  stroke-linejoin: round;
  stroke-linecap: round;
  pointer-events: none;
}
.traffic-chart .area-sent {
  fill: rgba(15, 122, 95, 0.12);
  stroke: none;
  pointer-events: none;
}
.traffic-chart .line-failed {
  fill: none;
  stroke: var(--danger);
  stroke-width: 2;
  stroke-dasharray: 5 4;
  stroke-linejoin: round;
  stroke-linecap: round;
  pointer-events: none;
}
.traffic-chart .hover-guide {
  stroke: #94a3b0;
  stroke-width: 1;
  stroke-dasharray: 3 3;
  pointer-events: none;
}
.traffic-chart .hover-dot-sent {
  fill: var(--ok);
  stroke: #fff;
  stroke-width: 2;
  pointer-events: none;
}
.traffic-chart .hover-dot-failed {
  fill: var(--danger);
  stroke: #fff;
  stroke-width: 2;
  pointer-events: none;
}
.traffic-tip {
  position: absolute;
  z-index: 5;
  min-width: 132px;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  background: #15202b;
  color: #fff;
  font-size: 0.78rem;
  line-height: 1.35;
  box-shadow: 0 8px 20px rgba(21, 32, 43, 0.22);
  pointer-events: none;
  transform: translate(-50%, calc(-100% - 10px));
}
.traffic-tip[hidden] { display: none; }
.traffic-tip .tip-time {
  font-weight: 600;
  margin-bottom: 0.35rem;
  white-space: nowrap;
}
.traffic-tip .tip-row {
  display: flex;
  justify-content: space-between;
  gap: 0.85rem;
  color: #c5d0da;
}
.traffic-tip .tip-row strong {
  color: #fff;
  font-family: var(--mono);
  font-weight: 500;
}
.traffic-tip .tip-row .sent { color: #2ecc9b; }
.traffic-tip .tip-row .failed { color: #f07167; }
.traffic-legend {
  display: flex;
  gap: 1.25rem;
  margin-top: 0.65rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.traffic-legend .lg {
  display: inline-block;
  width: 14px;
  height: 3px;
  border-radius: 2px;
  margin-right: 0.35rem;
  vertical-align: middle;
}
.traffic-legend .lg.sent { background: var(--ok); }
.traffic-legend .lg.failed { background: var(--danger); border-top: 1px dashed transparent; height: 0; border-top-width: 2px; border-top-style: dashed; border-top-color: var(--danger); background: transparent; }

.traffic-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}
.traffic-stat .t-val {
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 500;
}
.traffic-stat .t-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.15rem;
}
.traffic-stat .t-delta {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.15rem;
}
.traffic-stat .t-delta.up { color: var(--ok); }
.traffic-stat .t-delta.down { color: var(--danger); }

.activity-feed {
  min-height: 220px;
  max-height: 320px;
  overflow: auto;
}
.activity-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2.5rem 1.25rem;
  color: var(--muted);
  text-align: center;
}
.activity-empty .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #f0f3f6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #8a97a5;
}
.activity-empty strong {
  color: var(--ink);
  font-size: 0.95rem;
}
.activity-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 0.75rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
}
.activity-item:last-child { border-bottom: 0; }
.activity-item .act-title { font-weight: 600; font-size: 0.9rem; }
.activity-item .act-sub { color: var(--muted); font-size: 0.8rem; }
.activity-item .act-meta {
  text-align: right;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.sidebar-status {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  margin-bottom: 0.55rem;
}
.sidebar-status .status-title {
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
}
.sidebar-status .status-sub {
  margin-top: 0.2rem;
  font-size: 0.78rem;
  opacity: 0.75;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel.narrow { max-width: 480px; }
.panel-bar {
  padding: 1rem 1.1rem 0.75rem;
  border-bottom: 1px solid var(--line);
}
.panel-bar.split {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}
.panel-bar h2 {
  margin: 0.35rem 0 0;
  font-size: 1.05rem;
}
.panel-bar p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.toolbar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.toolbar input,
.toolbar select,
input, select {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  background: #fff;
  color: var(--ink);
}
.toolbar input[type="search"] { min-width: 240px; flex: 1; }

.table-wrap { overflow: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th, td {
  padding: 0.7rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: #f7f9fb;
  font-weight: 600;
  white-space: nowrap;
}
tbody tr:hover { background: #f8fafb; }
.mono { font-family: var(--mono); font-size: 0.86rem; }
.device-name { font-weight: 600; }
.sub { color: var(--muted); font-size: 0.82rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.off { background: #eef1f4; color: var(--muted); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.protocol { background: #e8eef7; color: #274472; }

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.chip {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 6px;
  padding: 0.12rem 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
}
.chip.muted-chip {
  background: #eef1f4;
  color: var(--muted);
}

button, .btn {
  font: inherit;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
button.ghost, .btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
button.danger { background: var(--danger); }
button.linkish {
  background: transparent;
  color: var(--accent);
  padding: 0;
  font-weight: 600;
}
button.small {
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
}
.row-actions { display: flex; gap: 0.35rem; justify-content: flex-end; }

.empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
}

[hidden] { display: none !important; }
.stack-form {
  display: grid;
  gap: 0.85rem;
  padding: 1rem 1.1rem 1.25rem;
}
.stack-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

dialog {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0;
  width: min(460px, 94vw);
  box-shadow: var(--shadow);
  background: #fff;
}
dialog#dest-dialog {
  width: min(480px, 96vw);
}
dialog#dest-assign-dialog {
  width: min(920px, 96vw);
}
@keyframes fota-row-flash {
  0% { background-color: rgba(34, 160, 90, 0.38); }
  100% { background-color: transparent; }
}
#fota-body tr.fota-flash {
  animation: fota-row-flash 1.4s ease-out;
}
#fota-body tr.fota-flash td {
  background-color: inherit;
}
.actions-cell {
  text-align: right;
  white-space: nowrap;
  width: 1%;
}
.actions-trigger {
  min-width: 5.5rem;
}
.actions-pop {
  min-width: 148px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(21, 32, 43, 0.14);
  padding: 0.25rem;
  display: grid;
}
.actions-pop.fixed {
  position: fixed;
  z-index: 1000;
}
.actions-pop button {
  appearance: none;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
  color: var(--ink);
  width: 100%;
}
.actions-pop button:hover { background: #f0f4f7; }
.actions-pop button.danger { color: var(--danger); }

.assign-toolbar { margin-bottom: 0.35rem; }
.assign-toolbar input { width: 100%; }
.dest-assign-form {
  padding: 1.2rem;
  display: grid;
  gap: 0.75rem;
}
.dest-assign-form h3 { margin: 0; }
.assign-columns {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.75rem;
  min-height: 320px;
  align-items: stretch;
}
@media (max-width: 720px) {
  .assign-columns {
    grid-template-columns: 1fr;
  }
  .assign-transfer {
    flex-direction: row;
    justify-content: center;
    padding: 0.25rem 0;
  }
}
.assign-transfer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  padding-top: 2.5rem;
}
.assign-transfer button {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1;
}
.assign-col {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #fafbfc;
  min-width: 0;
}
.assign-col-head {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--line);
  background: #fff;
  display: grid;
  gap: 0.15rem;
}
.assign-tree {
  overflow: auto;
  max-height: 380px;
  padding: 0.4rem;
  flex: 1;
}
.assign-company {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  margin-bottom: 0.4rem;
}
.assign-company > summary {
  cursor: pointer;
  padding: 0.45rem 0.55rem;
  font-weight: 600;
  font-size: 0.9rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.assign-company > summary::-webkit-details-marker { display: none; }
.assign-company > summary::before {
  content: "▸";
  color: var(--muted);
  font-size: 0.75rem;
  flex-shrink: 0;
}
.assign-company[open] > summary::before { content: "▾"; }
.assign-company .company-check {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0;
  cursor: pointer;
}
.assign-company .company-name {
  flex: 1;
  min-width: 0;
  text-align: left;
}
.assign-company .assign-devices {
  display: grid;
  gap: 0.2rem;
  padding: 0 0.4rem 0.45rem;
}
.assign-company label.device-row {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  padding: 0.45rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 400;
}
.assign-company label.device-row:hover { background: #eef3f7; }
.assign-company .imei-main { display: grid; gap: 0.1rem; }
.assign-empty {
  padding: 1.25rem 0.75rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
}
dialog::backdrop { background: rgba(21, 32, 43, 0.4); }
#device-form, #dest-form, #customer-form {
  padding: 1.2rem;
  display: grid;
  gap: 0.75rem;
}
#device-form h3, #dest-form h3, #customer-form h3 { margin: 0; }
#device-form label, #dest-form label, #customer-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  color: var(--muted);
}
#device-form label.check, #dest-form label.check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
}
.dest-fields {
  display: grid;
  gap: 0.65rem;
}
.imei-toolbar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: end;
}
.imei-toolbar .grow { flex: 1; min-width: 180px; }
.imei-actions { display: flex; gap: 0.35rem; }
.imei-meta {
  font-size: 0.82rem;
  color: var(--muted);
}
.imei-list {
  max-height: 280px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.35rem;
  display: grid;
  gap: 0.15rem;
  background: #fafbfc;
}
.imei-list label {
  display: flex !important;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.4rem 0.45rem;
  border-radius: 6px;
  color: var(--ink) !important;
}
.imei-list label:hover { background: #eef3f7; }
.imei-list .imei-main { display: grid; gap: 0.1rem; }
.imei-list .mono { font-size: 0.8rem; }
fieldset {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem;
}
#dest-checks { display: grid; gap: 0.4rem; }
#dest-checks label {
  display: flex !important;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.customer-picker {
  display: grid;
  gap: 0.3rem;
}
.customer-picker .picker-label {
  font-size: 0.9rem;
  color: var(--muted);
}
.customer-picker .req { color: #b42318; }
.picker-row {
  display: flex;
  gap: 0.4rem;
  align-items: stretch;
}
.combobox {
  position: relative;
  flex: 1;
  min-width: 0;
}
.combobox input {
  width: 100%;
}
.combo-list {
  position: absolute;
  z-index: 20;
  left: 0;
  right: 0;
  top: calc(100% + 2px);
  max-height: 200px;
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.combo-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0.55rem 0.7rem;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
}
.combo-item:hover,
.combo-item.active {
  background: #eef3f7;
}
.combo-empty {
  padding: 0.55rem 0.7rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.icon-btn {
  min-width: 2.4rem;
  font-size: 1.25rem;
  line-height: 1;
  padding: 0 0.55rem;
}

.clickable { cursor: pointer; }
.clickable:hover { color: var(--accent); }

.analytics-toolbar {
  flex-wrap: wrap;
  align-items: end;
  gap: 0.65rem;
}
.preset-row {
  display: flex;
  gap: 0.3rem;
}
.analytics-note {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.vol-bar {
  height: 8px;
  border-radius: 4px;
  background: #d7e2ea;
  overflow: hidden;
  min-width: 80px;
}
.vol-bar > span {
  display: block;
  height: 100%;
  background: var(--accent, #2f6fed);
  border-radius: 4px;
}
.lat-warn { color: #b54708; font-weight: 600; }
.lat-bad { color: #b42318; font-weight: 600; }

.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.75rem 1rem 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--muted);
}
.pager-left,
.pager-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}
.pager select {
  width: auto;
  min-width: 4.5rem;
  padding: 0.3rem 0.45rem;
}
.pager .page-label {
  min-width: 6.5rem;
  text-align: center;
  color: var(--ink);
}
.pager button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

body.booting .shell,
body.booting .auth-gate,
body.locked .shell { display: none; }
.auth-gate {
  display: none;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: #15202b;
}
body.locked .auth-gate { display: flex; }
.auth-card {
  width: min(420px, 100%);
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.auth-brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 1.15rem 1.15rem 0.25rem;
}
.auth-brand strong { display: block; }
.auth-brand span { display: block; font-size: 0.82rem; color: var(--muted); }
.auth-lead { margin: 0; color: var(--muted); font-size: 0.92rem; }
.auth-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.88rem;
}
.totp-qr {
  display: block;
  width: 280px;
  height: 280px;
  max-width: 100%;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}
#totp-secret {
  font-family: var(--mono);
  letter-spacing: 0.04em;
}
.head-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.config-debug-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0 0 1rem;
}
.config-meta-wrap {
  padding: 0 1rem;
}
.config-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.75rem 1.25rem;
}
.config-meta-grid .mono {
  font-size: 0.92rem;
  margin-top: 0.15rem;
}
.panel.inset {
  margin: 0 1rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.02);
}
.panel.inset .panel-bar h3 {
  margin: 0;
  font-size: 1rem;
}

.config-actions {
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}
.config-sections {
  padding: 0 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.config-tab-bar {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  overflow-x: auto;
  padding: 0.15rem 0 0.65rem;
  margin: 0 0 0.25rem;
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.config-tab {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  padding: 0.45rem 1rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.config-tab:hover {
  color: var(--ink);
  border-color: var(--accent-soft);
}
.config-tab.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.config-tab-panels {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.config-tab-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.config-section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: visible;
}
.config-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.02);
}
.config-section-head-text {
  min-width: 0;
  flex: 1;
}
.config-section-head h3 {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.35;
}
.config-section-head p {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.35;
}
.config-section-head .config-save-btn {
  flex-shrink: 0;
}
.config-field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.75rem 1.25rem;
  padding: 1rem;
}
.config-field-ipv4 {
  grid-column: 1 / -1;
  max-width: 22rem;
}
.config-ipv4-row {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: nowrap;
}
.config-ip-octet {
  width: 3.25rem !important;
  min-width: 3.25rem;
  padding: 0.45rem 0.35rem !important;
  text-align: center;
}
.config-ip-dot {
  color: var(--muted);
  font-weight: 600;
  user-select: none;
}
.timer-period-cell {
  white-space: nowrap;
}
.timer-period-cell .timer-time {
  width: 4.25rem !important;
  min-width: 4.25rem;
  padding: 0.35rem 0.35rem !important;
  text-align: center;
}
.config-field label {
  display: block;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--muted);
  margin-bottom: 0.25rem;
  overflow: visible;
}
.config-field .mono {
  font-size: 0.92rem;
  word-break: break-all;
}
.config-field .config-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-family: var(--mono);
  font-size: 0.92rem;
}
.config-field .config-input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
  outline-offset: 0;
}
.config-field select.config-input {
  cursor: pointer;
}
.config-field-check {
  display: flex;
  align-items: flex-end;
}
.config-check-label {
  display: inline-flex !important;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--ink) !important;
  font-size: 0.92rem !important;
  margin: 0 !important;
}
.config-field-row .config-input-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
.config-check-row {
  gap: 0.75rem !important;
}
.config-check-row .config-check-label {
  flex: 0 0 auto;
}
.config-section.config-save-flash {
  animation: config-save-flash 1.6s ease-out;
}
@keyframes config-save-flash {
  0% {
    box-shadow: inset 0 0 0 2px rgba(15, 122, 95, 0.85);
    background-color: rgba(15, 122, 95, 0.16);
  }
  100% {
    box-shadow: inset 0 0 0 0 transparent;
    background-color: transparent;
  }
}
.config-save-status {
  font-size: 0.85rem;
  color: var(--ok);
  font-weight: 600;
  margin: 0 1rem 0.35rem;
  min-height: 1.2em;
}
.config-save-status.is-error {
  color: var(--danger);
}
.config-inset-grid {
  padding: 0.85rem 1rem 1rem;
  margin-top: 0;
}

.config-stream-channels {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1rem 0;
}
.config-stream-ch {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.75rem 0.25rem;
  background: rgba(0, 0, 0, 0.015);
}
.config-stream-ch-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  line-height: 1.35;
}
.config-stream-ch-grid {
  padding: 0 0 0.5rem;
}
.config-stream-body {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.config-stream-body > .table-wrap {
  width: 100%;
}
.config-stream-globals {
  border-top: 1px solid var(--border);
  margin-top: 0;
}
.config-stream-table {
  padding: 0.75rem 1rem 0.25rem;
}
.config-stream-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  table-layout: auto;
}
.config-stream-table th,
.config-stream-table td {
  line-height: 1.35;
  padding: 0.4rem 0.45rem;
  vertical-align: middle;
  text-align: left;
}
.config-stream-table th {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
}
.config-stream-ch-label {
  font-weight: 600;
  white-space: nowrap;
  width: 3rem;
}
.config-stream-table .config-stream-cell {
  width: 100%;
  min-width: 5rem;
  max-width: 9rem;
  box-sizing: border-box;
  padding: 0.35rem 0.4rem;
  font-size: 0.85rem;
}

.config-osd-table table {
  font-size: 0.88rem;
}
.config-osd-table th,
.config-osd-table td {
  line-height: 1.35;
  padding: 0.45rem 0.55rem;
  vertical-align: middle;
}

.rec-osd-detail-row td {
  padding-top: 0;
  border-top: none;
}
.rec-osd-detail {
  margin: 0.15rem 0 0.65rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.rec-osd-detail summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink);
}
.rec-osd-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 0.5rem 0.75rem;
  margin-top: 0.65rem;
}
.rec-osd-detail-grid label,
.rec-osd-detail-custom label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.rec-osd-detail-custom {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
  gap: 0.5rem 0.75rem;
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--line);
}
.rec-osd-detail-custom-label {
  grid-column: 1 / -1;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}


@media (max-width: 720px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
  }
  .nav {
    flex-direction: column;
  }
  .sidebar-foot { display: none; }
}