:root {
  --brand-ink: #303030;
  --brand-ink-strong: #202020;
  --brand-sea: #2c7f93;
  --brand-sea-strong: #246879;
  --brand-sun: #ffd058;
  --brand-coral: #ffa830;
  --brand-canvas: #f2f7f8;
  --brand-surface: #ffffff;
  --brand-text: #2b2e2d;
  --brand-muted: #5c686b;
  --brand-focus: #ffa830;
  --bg-deep: var(--brand-ink-strong);
  --bg-mid: var(--brand-ink);
  --bg-soft: var(--brand-canvas);
  --surface: color-mix(in srgb, var(--brand-surface) 88%, transparent);
  --surface-strong: var(--brand-surface);
  --text-main: var(--brand-text);
  --text-muted: var(--brand-muted);
  --accent: var(--brand-sea);
  --accent-dark: var(--brand-sea-strong);
  --line: color-mix(in srgb, var(--brand-ink) 15%, transparent);
  --shadow: 0 20px 50px color-mix(in srgb, var(--brand-ink-strong) 15%, transparent);
  color-scheme: light;
}

html {
  font-size: 16px;
  min-height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  font-family: Inter, Aptos, "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--brand-sun) 22%, transparent), transparent 28%),
    radial-gradient(circle at top right, color-mix(in srgb, var(--brand-sea) 18%, transparent), transparent 32%),
    linear-gradient(180deg, var(--brand-surface) 0%, var(--brand-canvas) 48%, #ffffff 100%);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.12rem rgba(255, 255, 255, 0.94), 0 0 0 0.3rem color-mix(in srgb, var(--brand-focus) 55%, transparent);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--brand-surface) 96%, transparent);
  border-bottom: 4px solid var(--brand-sea);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--brand-ink) 10%, transparent);
  backdrop-filter: blur(18px);
}

.navbar {
  padding: 0.55rem 0;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  padding: 0;
}

.site-logo {
  height: 72px;
  width: auto;
  max-width: min(58vw, 190px);
  display: block;
  border-radius: 12px;
  background: var(--brand-surface);
  object-fit: contain;
}

.navbar-light .navbar-nav .nav-link {
  color: var(--brand-ink);
  font-weight: 650;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link:focus {
  color: var(--brand-sea-strong);
}

.nav-dropdown {
  min-width: 15rem;
  padding: 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: color-mix(in srgb, var(--brand-ink-strong) 97%, transparent);
  box-shadow: 0 18px 36px color-mix(in srgb, var(--brand-ink-strong) 30%, transparent);
}

.nav-dropdown .dropdown-item {
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.88);
  padding: 0.6rem 0.8rem;
}

.nav-dropdown .dropdown-item:hover,
.nav-dropdown .dropdown-item:focus {
  color: #ffffff;
  background: color-mix(in srgb, var(--brand-sea) 22%, transparent);
}

.nav-dropdown .dropdown-divider {
  border-color: rgba(255, 255, 255, 0.08);
}

.page-shell {
  flex: 1 0 auto;
  padding-top: 2rem;
}

.btn-accent {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border: none;
}

.btn-accent:hover {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--brand-ink) 100%);
}

.btn-outline-brand {
  color: var(--brand-ink);
  border-color: color-mix(in srgb, var(--brand-ink) 40%, transparent);
  background: transparent;
}

.btn-outline-brand:hover,
.btn-outline-brand:focus {
  color: #ffffff;
  border-color: var(--brand-sea-strong);
  background: var(--brand-sea-strong);
}

.hero-section {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.5rem;
  padding: 2rem 0 1rem;
  align-items: center;
}

.hero-copy,
.hero-card,
.metric-card,
.feature-card,
.panel-card,
.table-card,
.map-card,
.api-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 2.4rem;
  background:
    radial-gradient(circle at 92% 12%, color-mix(in srgb, var(--brand-sun) 25%, transparent), transparent 24%),
    linear-gradient(140deg, var(--brand-ink-strong), color-mix(in srgb, var(--brand-ink) 88%, var(--brand-sea)));
  color: #ffffff;
  overflow: hidden;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.hero-copy h1 {
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.05;
  margin-bottom: 1rem;
}

.hero-subtitle {
  max-width: 42rem;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.84);
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.hero-card {
  padding: 2rem;
}

.status-chip {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-sea) 13%, transparent);
  color: var(--accent-dark);
  font-weight: 700;
}

.highlight-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

.highlight-list li + li {
  margin-top: 0.9rem;
}

.metric-grid,
.feature-grid,
.panel-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

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

.metric-card,
.feature-card,
.panel-card,
.table-card,
.map-card,
.api-card {
  padding: 1.5rem;
}

.metric-card {
  border-top: 4px solid var(--brand-sea);
}

.metric-card:nth-child(2) {
  border-top-color: var(--brand-sun);
}

.metric-card:nth-child(3) {
  border-top-color: var(--brand-coral);
}

.feature-card h2 {
  color: var(--brand-ink);
  font-size: 1.28rem;
}

.metric-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}

.metric-value {
  display: block;
  font-size: 2.4rem;
  line-height: 1;
  margin-bottom: 0.6rem;
}

.section-heading {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.dashboard-hero {
  padding: 1.8rem;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--brand-ink-strong), var(--brand-sea));
  color: #ffffff;
  box-shadow: var(--shadow);
}

.dashboard-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(18rem, 1fr);
  gap: 1.5rem;
  align-items: end;
}

.dashboard-hero-side {
  display: grid;
  gap: 1rem;
}

.dashboard-hero-chip {
  display: grid;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.1);
}

.dashboard-hero-chip strong {
  font-size: 1.8rem;
  line-height: 1;
}

.dashboard-toolbar {
  display: grid;
  gap: 1.25rem;
}

.dashboard-filter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.dashboard-toolbar-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.dashboard-toolbar-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.dashboard-range-pills,
.dashboard-sensor-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.dashboard-status-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.dashboard-view-options {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.dashboard-sensor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.dashboard-sensor-item {
  min-height: 6.6rem;
  justify-content: space-between;
}

.dashboard-sensor-empty {
  padding: 1rem;
  border: 1px dashed var(--line);
  border-radius: 18px;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--brand-sea) 5%, transparent);
}

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

.dashboard-summary-card {
  min-height: 11rem;
}

.dashboard-value-sm {
  font-size: 1.45rem;
  line-height: 1.2;
}

.dashboard-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.85fr) minmax(19rem, 0.95fr);
  gap: 1rem;
}

.dashboard-primary-stack,
.dashboard-secondary-stack {
  display: grid;
  gap: 1rem;
}

.dashboard-section-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.dashboard-chart-card,
.dashboard-location-panel,
.dashboard-insight-panel {
  overflow: hidden;
}

.dashboard-chart-host {
  min-height: 360px;
  padding: 0.25rem;
}

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

.dashboard-sensor-chart-card {
  padding: 1rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--brand-sea) 5%, transparent);
}

.dashboard-sensor-chart-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 0.8rem;
}

.dashboard-sensor-chart-header h3 {
  margin: 0;
  font-size: 1rem;
}

.dashboard-sensor-chart-header p {
  margin: 0.2rem 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.dashboard-sensor-chart-header strong {
  font-size: 1.25rem;
  line-height: 1;
}

.dashboard-sensor-chart-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.dashboard-sensor-canvas-wrap {
  position: relative;
  min-height: 15rem;
}

.dashboard-sensor-canvas {
  width: 100%;
  height: 15rem !important;
}

.dashboard-sensor-chart-empty {
  min-height: 10rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.65);
}

.dashboard-svg-chart {
  width: 100%;
  height: auto;
  display: block;
}

.dashboard-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1rem;
}

.dashboard-legend-item {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.dashboard-legend-color {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
}

.dashboard-latest-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.dashboard-latest-card,
.dashboard-latest-empty {
  min-height: 10rem;
  padding: 1.2rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--brand-sea) 6%, transparent);
}

.dashboard-location-card {
  min-height: 20rem;
}

.dashboard-map-canvas {
  width: 100%;
  min-height: 20rem;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.xarthis-map-canvas {
  width: 100%;
  min-height: 68vh;
  border-radius: 20px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.xarthis-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

.xarthis-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.xarthis-dot {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 999px;
  display: inline-block;
}

.xarthis-dot-online { background: #16a34a; }
.xarthis-dot-offline { background: #dc2626; }
.xarthis-dot-disabled { background: #64748b; }

.xarthis-pin-wrapper {
  background: transparent;
  border: none;
}

.xarthis-pin {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  display: block;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--brand-ink-strong) 35%, transparent);
}

.xarthis-pin-online { background: #16a34a; }
.xarthis-pin-offline { background: #dc2626; }
.xarthis-pin-disabled { background: #64748b; }

.xarthis-popup-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.xarthis-popup-status {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.xarthis-popup-list {
  margin: 0;
  padding-left: 1rem;
  max-height: 14rem;
  overflow-y: auto;
  padding-right: 0.35rem;
}

.leaflet-popup-content .btn-accent {
  color: #ffffff !important;
  text-decoration: none;
}

.leaflet-popup-content .btn-accent:hover,
.leaflet-popup-content .btn-accent:focus {
  color: #ffffff !important;
}

.dashboard-location-details,
.dashboard-location-empty {
  width: 100%;
  display: grid;
  gap: 1rem;
  text-align: left;
}

.dashboard-track-shell {
  width: 100%;
  display: grid;
  gap: 1rem;
}

.dashboard-location-svg {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
}

.dashboard-track-meta {
  display: grid;
  gap: 0.8rem;
}

.dashboard-location-coords {
  display: grid;
  gap: 0.25rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
}

.dashboard-location-coords span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.dashboard-location-coords strong {
  font-size: 1.2rem;
}

.dashboard-insight-list {
  display: grid;
  gap: 0.85rem;
  padding-left: 1.1rem;
  margin: 0;
}

.dashboard-insight-list li {
  color: var(--text-main);
}

.dashboard-empty-state {
  text-align: center;
}

.chart-placeholder,
.map-placeholder {
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--brand-sea) 10%, transparent), color-mix(in srgb, var(--brand-ink-strong) 7%, transparent)),
    repeating-linear-gradient(
      90deg,
      color-mix(in srgb, var(--brand-ink) 9%, transparent) 0,
      color-mix(in srgb, var(--brand-ink) 9%, transparent) 1px,
      transparent 1px,
      transparent 56px
    ),
    repeating-linear-gradient(
      0deg,
      color-mix(in srgb, var(--brand-ink) 7%, transparent) 0,
      color-mix(in srgb, var(--brand-ink) 7%, transparent) 1px,
      transparent 1px,
      transparent 56px
    );
  color: var(--text-muted);
  text-align: center;
}

.table {
  margin-bottom: 0;
}

.table-card .table thead th {
  color: var(--text-muted);
  font-weight: 600;
}

.devices-table-card,
.devices-table-responsive {
  overflow: visible;
}

.devices-table-responsive .devices-row-actions {
  display: inline-block;
}

.devices-table-responsive .devices-row-actions-menu {
  min-width: 12rem;
}

.devices-table-responsive .devices-row-actions .dropdown-menu.show {
  position: static;
  transform: none !important;
  inset: auto !important;
  float: none;
  margin-top: 0.4rem;
}

.badge-soft {
  display: inline-flex;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-sea) 15%, transparent);
  color: var(--accent-dark);
  font-weight: 700;
}

.status-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.status-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  display: inline-block;
}

.status-dot-online {
  background: #16a34a;
}

.status-dot-offline {
  background: #dc2626;
}

.status-dot-disabled {
  background: #64748b;
}

.user-chip {
  display: inline-flex;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-sea) 13%, transparent);
  color: var(--brand-ink);
  border: 1px solid color-mix(in srgb, var(--brand-sea) 22%, transparent);
  font-size: 0.92rem;
}

.auth-shell {
  display: flex;
  justify-content: center;
  padding: 3rem 0 1rem;
}

.auth-card {
  width: min(100%, 32rem);
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.auth-eyebrow {
  background: color-mix(in srgb, var(--brand-sea) 13%, transparent);
  color: var(--accent-dark);
}

.auth-form .form-control {
  border-radius: 14px;
  padding: 0.9rem 1rem;
}

.form-card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.device-section + .device-section {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}

.assignment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.assignment-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--brand-sea) 6%, transparent);
}

.assignment-item input {
  margin-bottom: 0.35rem;
}

.assignment-item small {
  color: var(--text-muted);
}

.decoder-help {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--brand-sea) 6%, transparent);
  overflow: hidden;
}

.decoder-help summary {
  cursor: pointer;
  padding: 0.9rem 1rem;
  font-weight: 600;
  list-style: none;
}

.decoder-help summary::-webkit-details-marker {
  display: none;
}

.decoder-help-body {
  padding: 0 1rem 1rem;
}

.decoder-help pre {
  margin: 0.75rem 0;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: var(--brand-ink-strong);
  color: var(--brand-surface);
  white-space: pre-wrap;
  word-break: break-word;
}

.decoder-help code {
  font-size: 0.92rem;
}

.token-value-box {
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: color-mix(in srgb, var(--brand-ink-strong) 94%, transparent);
  color: var(--brand-surface);
  word-break: break-all;
}

.footer {
  flex-shrink: 0;
  margin-top: 3rem;
  padding: 1.25rem 0 2rem;
  color: var(--text-muted);
  border-top: 4px solid var(--brand-sun);
  background: color-mix(in srgb, var(--brand-surface) 72%, transparent);
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  text-align: center;
}

@media (max-width: 991.98px) {
  .hero-section,
  .metric-grid,
  .feature-grid,
  .panel-grid,
  .assignment-grid,
  .dashboard-hero-grid,
  .dashboard-filter-grid,
  .dashboard-sensor-grid,
  .dashboard-summary-grid,
  .dashboard-main-grid,
  .dashboard-latest-grid,
  .dashboard-chart-grid-inner {
    grid-template-columns: 1fr;
  }

  .dashboard-toolbar-actions,
  .dashboard-status-row {
    align-items: stretch;
    flex-direction: column;
  }

  .devices-table-responsive {
    overflow-x: auto;
    overflow-y: visible;
  }
}

@media (max-width: 380px) {
  .site-logo {
    height: 60px;
    max-width: 52vw;
  }
}