@import url('https://fonts.bunny.net/css?family=ibm-plex-sans:400,500,600|jetbrains-mono:400,500');

:root {
  --bg: #f3f6fb;
  --bg-soft: #eef3f9;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --surface-strong: #eaf1fb;
  --border: #d8e1ee;
  --border-strong: #c1cfe2;
  --text: #172434;
  --muted: #61758b;
  --good: #1f9d5c;
  --warn: #d08700;
  --bad: #d94343;
  --info: #2563eb;
  --accent: #0f4fbf;
  --shadow: 0 18px 40px rgba(35, 52, 74, 0.08);
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.07), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 79, 191, 0.05), transparent 22%),
    linear-gradient(180deg, #f8fbff 0%, #f3f6fb 44%, #eef3f9 100%);
}

a {
  color: var(--accent);
  text-decoration: none;
}

code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95em;
}

.muted { color: var(--muted); }
.tone-good { color: var(--good); }
.tone-bad { color: var(--bad); }

.eyebrow {
  display: inline-block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(135deg, #1f9d5c, #2563eb);
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.08);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 28px;
  border-bottom: 1px solid rgba(216, 225, 238, 0.9);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
}

.topbar-brand {
  display: grid;
  gap: 8px;
}

.topbar-brand p {
  margin: 0;
}

.nav,
.workspace-actions,
.actions,
.actions-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.nav form,
.sidebar-logout,
.sidebar-logout form {
  margin: 0;
}

.nav-pill,
.nav button,
.primary,
.primary-link,
.ghost-link,
.sidebar-logout button,
.danger-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 15px;
  border-radius: 12px;
  font: inherit;
  font-weight: 500;
}

.nav-pill,
.ghost-link,
.nav button,
.sidebar-logout button,
.danger-button {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
}

.nav-pill.active {
  border-color: rgba(37, 99, 235, 0.22);
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
}

.primary,
.primary-link {
  border: 0;
  color: #fff;
  background: linear-gradient(135deg, #1f9d5c, #2563eb);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
}

.danger-button {
  color: var(--bad);
}

.page {
  max-width: 1440px;
  margin: 0 auto;
  padding: 26px;
}

.page-wide {
  max-width: 1540px;
}

.page.narrow {
  max-width: 920px;
}

.panel {
  padding: 22px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.panel-large {
  padding: 24px;
}

.dashboard-hero-shell {
  overflow: hidden;
}

.executive-header,
.workspace-head,
.section-head,
.chart-head,
.subsection-head,
.page-head,
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.executive-header,
.workspace-head {
  margin-bottom: 18px;
}

.executive-title-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 8px 0 10px;
}

.executive-header h1,
.workspace-head h1,
.auth-card h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.06;
}

.executive-header p,
.workspace-head p,
.section-head p,
.chart-head p {
  margin: 0;
}

.executive-callout {
  max-width: 430px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, #f7fbff, #f1f6fd);
}

.executive-callout strong {
  display: block;
  margin: 8px 0 10px;
  font-size: 20px;
  line-height: 1.25;
}

.executive-callout.is-bad {
  border-color: rgba(217, 67, 67, 0.2);
  background: linear-gradient(180deg, #fff7f7, #fff1f1);
}

.executive-callout.is-good {
  border-color: rgba(31, 157, 92, 0.18);
  background: linear-gradient(180deg, #f7fffb, #eefbf4);
}

.status-strip,
.summary-kpis,
.overview-band {
  display: grid;
  gap: 14px;
}

.status-strip {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-bottom: 18px;
}

.summary-kpis {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.overview-band {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-bottom: 20px;
}

.status-tile,
.summary-kpi,
.metric-card,
.device-kpi {
  padding: 14px 15px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.status-tile span,
.summary-kpi span,
.metric-card span,
.device-kpi span,
.hero-health-item span,
.insight-strip span,
.device-meta-list span,
.device-section-label,
.device-footer-note span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-tile strong,
.summary-kpi strong,
.metric-card strong,
.device-kpi strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
  line-height: 1;
}

.status-tile.is-good strong,
.summary-kpi.is-good strong,
.device-kpi.good strong { color: var(--good); }

.status-tile.is-warn strong,
.summary-kpi.is-warn strong,
.device-kpi.warn strong { color: var(--warn); }

.status-tile.is-bad strong,
.summary-kpi.is-bad strong,
.device-kpi.bad strong { color: var(--bad); }

.command-center-grid,
.content-grid,
.detail-grid-main {
  display: grid;
  gap: 16px;
}

.command-center-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.command-center-grid-wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.content-grid {
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.9fr);
  margin-bottom: 20px;
}

.command-panel,
.chart-card,
.ops-card,
.probe-card,
.traffic-card,
.talker-card,
.incident-card,
.link-incident,
.device-card,
.timeline-item,
.hero-summary-card,
.hero-insight-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff, #f7f9fc);
}

.command-panel,
.chart-card,
.ops-card,
.probe-card,
.traffic-card,
.talker-card,
.incident-card,
.link-incident,
.device-card,
.timeline-item {
  padding: 16px;
}

.incident-list,
.link-incident-list,
.timeline-list,
.timeline-grid,
.probe-list,
.talker-list,
.link-stack,
.traffic-stack,
.ops-grid,
.hotspot-list,
.hotspot-group {
  display: grid;
  gap: 12px;
}

.incident-card.bad,
.device-card.is-alert {
  border-color: rgba(217, 67, 67, 0.24);
  box-shadow: 0 12px 24px rgba(217, 67, 67, 0.08);
}

.incident-card.warn {
  border-color: rgba(208, 135, 0, 0.22);
}

.incident-head,
.probe-top,
.talker-head,
.traffic-card-top,
.device-card-head,
.device-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.incident-card h3,
.device-card h3 {
  margin: 4px 0 6px;
  font-size: 22px;
}

.incident-card p,
.timeline-item p {
  margin: 6px 0 0;
}

.incident-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.link-incident {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.hotspot-panel {
  display: grid;
  gap: 14px;
}

.hotspot-group {
  grid-template-columns: 1fr;
}

.hotspot-block {
  display: grid;
  gap: 10px;
}

.hotspot-block h3 {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hotspot-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.hotspot-item strong {
  display: block;
  margin-bottom: 4px;
}

.hotspot-item p {
  margin: 0;
}

.hotspot-item span {
  font-size: 20px;
  font-weight: 600;
  white-space: nowrap;
}

.hotspot-item.bad {
  border-color: rgba(217, 67, 67, 0.24);
  background: linear-gradient(180deg, #fffafa, #fff2f2);
}

.hotspot-item.bad span {
  color: var(--bad);
}

.hotspot-item.warn {
  border-color: rgba(208, 135, 0, 0.22);
  background: linear-gradient(180deg, #fffaf1, #fff6e7);
}

.hotspot-item.warn span {
  color: var(--warn);
}

.hotspot-item.good span {
  color: var(--good);
}

.timeline-item {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 12px;
}

.timeline-item time {
  color: var(--muted);
  font-size: 13px;
  font-family: "JetBrains Mono", monospace;
}

.event-band {
  margin-top: 18px;
}

.timeline-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fleet-matrix {
  margin-top: 8px;
}

.fleet-table-wrap {
  overflow-x: auto;
}

.fleet-table .row-attention {
  background: linear-gradient(180deg, #fffdfd, #fff7f7);
}

.fleet-table .row-attention td {
  border-bottom-color: rgba(217, 67, 67, 0.12);
}

.table-subline {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.inventory-head {
  margin-bottom: 16px;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 16px;
}

.device-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.device-meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.device-meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.device-meta-list div {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-soft);
}

.device-meta-list strong {
  display: block;
  margin-top: 7px;
  font-size: 15px;
}

.device-links {
  display: grid;
  gap: 10px;
}

.device-footer-note strong {
  display: block;
  margin-top: 6px;
}

.link-chip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.link-chip div {
  display: grid;
  gap: 4px;
}

.link-chip strong {
  font-size: 14px;
}

.link-chip span,
.link-chip small,
.link-chip-side em {
  color: var(--muted);
  font-style: normal;
  font-size: 12px;
}

.link-chip.good {
  border-color: rgba(31, 157, 92, 0.22);
  background: linear-gradient(180deg, #fbfffd, #f3fcf7);
}

.link-chip.bad {
  border-color: rgba(217, 67, 67, 0.2);
  background: linear-gradient(180deg, #fffafa, #fff2f2);
}

.empty-state,
.empty-inline,
.sparkline-empty {
  padding: 20px;
  border: 1px dashed var(--border-strong);
  border-radius: 18px;
  background: var(--surface-soft);
}

.empty-state h3 {
  margin: 0 0 8px;
}

.status,
.mini-metric {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  font-size: 12px;
  text-transform: uppercase;
  line-height: 1;
}

.status.good,
.mini-metric.good { color: var(--good); }
.status.warn,
.mini-metric.warn { color: var(--warn); }
.status.bad,
.mini-metric.bad { color: var(--bad); }
.status.mute,
.mini-metric.mute { color: var(--muted); }

.shell-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  min-height: 100vh;
  padding: 28px 22px;
  border-right: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
}

.sidebar-brand {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.sidebar-nav {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--text);
}

.nav-link:hover,
.nav-link.active {
  border-color: rgba(37, 99, 235, 0.16);
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
}

.sidebar-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-soft);
}

.sidebar-card strong {
  font-size: 18px;
}

.sidebar-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.sidebar-metrics div {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
}

.sidebar-metrics strong {
  font-size: 16px;
}

.sidebar-metrics span {
  color: var(--muted);
  font-size: 12px;
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.summary-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
}

.summary-list-single {
  grid-template-columns: 1fr;
}

.summary-list div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.summary-list dt {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-list dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.45;
}

.metric-card {
  min-height: 148px;
}

.metric-card.emphasis {
  background: linear-gradient(180deg, #f4f9ff, #edf5ff);
}

.metric-card-status {
  margin-top: 14px;
}

.metric-card p {
  margin-top: 10px;
}

.ops-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ops-grid-compact {
  margin-bottom: 16px;
}

.ops-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.ops-card strong {
  display: block;
  font-size: 24px;
  margin-bottom: 8px;
}

.probe-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
  color: var(--muted);
  font-size: 13px;
}

.subsection-head {
  margin: 18px 0 12px;
}

.live-inline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 14px;
  align-items: center;
  margin-top: 14px;
}

.sparkline-wrap {
  min-width: 0;
}

.sparkline {
  min-height: 48px;
}

.sparkline-svg {
  width: 100%;
  height: 48px;
  display: block;
}

.sparkline-fill {
  fill: rgba(37, 99, 235, 0.1);
}

.sparkline-line {
  fill: none;
  stroke: #2563eb;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.live-inline-meta strong {
  display: block;
  font-size: 22px;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.chart-card {
  min-height: 280px;
}

.traffic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.traffic-card-main {
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 12px;
}

.traffic-card-meta {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.traffic-chart {
  min-height: 230px;
}

.traffic-chart-empty {
  min-height: 220px;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.traffic-chart-svg {
  width: 100%;
  height: 240px;
  display: block;
}

.traffic-chart-grid {
  stroke: rgba(97, 117, 139, 0.16);
  stroke-width: 1;
}

.traffic-chart-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.traffic-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.traffic-chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.traffic-chart-swatch {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  display: inline-block;
}

.talker-rate {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.table th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.compact-table th,
.compact-table td {
  padding-left: 0;
  padding-right: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

input,
textarea,
select {
  width: 100%;
  min-height: 48px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.auth-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.stack {
  display: grid;
  gap: 14px;
}

.alert.error {
  padding: 12px 14px;
  margin-bottom: 18px;
  border: 1px solid rgba(217, 67, 67, 0.22);
  border-radius: 14px;
  background: #fff4f4;
  color: #a32929;
}

@media (max-width: 1320px) {
  .status-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .command-center-grid,
  .command-center-grid-wide,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .overview-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .timeline-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) {
  .shell-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .workspace {
    padding: 20px;
  }
}

@media (max-width: 900px) {
  .topbar,
  .executive-header,
  .workspace-head,
  .section-head,
  .chart-head,
  .subsection-head,
  .page-head,
  .panel-head,
  .device-card-head,
  .device-footer {
    flex-direction: column;
  }

  .topbar {
    align-items: stretch;
  }

  .nav,
  .workspace-actions,
  .actions,
  .actions-inline {
    width: 100%;
  }

  .nav > *,
  .workspace-actions > *,
  .actions > *,
  .actions-inline > * {
    flex: 1 1 auto;
  }

  .executive-title-row,
  .status-strip,
  .summary-kpis,
  .overview-band,
  .device-kpis,
  .device-meta-list,
  .ops-grid,
  .chart-grid,
  .form-grid,
  .summary-list,
  .talker-rate,
  .sidebar-metrics,
  .probe-meta {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page,
  .workspace {
    padding: 16px;
  }

  .panel,
  .panel-large {
    padding: 18px;
    border-radius: 20px;
  }

  .status-strip,
  .overview-band,
  .device-grid {
    grid-template-columns: 1fr;
  }

  .live-inline {
    grid-template-columns: 1fr;
  }
}