:root {
  --app-bg: #fafbfc;
  --app-surface: #ffffff;
  --app-border: #e2e8ef;
  --app-text: #10233a;
  --app-muted: #667085;
  --app-brand: #0b5f83;
  --app-brand-dark: #083b5c;
  --app-brand-soft: #eff8fa;
  --app-accent: #13a3a8;
  --app-accent-dark: #0f7f85;
}

body {
  min-height: 100vh;
  background: var(--app-bg);
  color: var(--app-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app-shell {
  max-width: 1280px;
}

.app-navbar {
  --bs-navbar-padding-y: 0.35rem;
  border-bottom: 1px solid var(--app-border);
  background: var(--app-surface);
  box-shadow: 0 1px 0 rgba(16, 35, 58, 0.03);
}

.app-brand {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0;
  color: var(--app-text);
  font-weight: 700;
}

.brand-logo {
  display: block;
  width: auto;
  height: 2.2rem;
  max-width: 9.5rem;
}

.app-navbar .nav-link {
  padding: 0.35rem 0.45rem;
  color: var(--app-text);
  font-size: 0.9rem;
  white-space: nowrap;
}

.app-navbar .navbar-nav {
  gap: 0.125rem;
}

.navbar-toggler {
  border-color: var(--app-border);
  padding: 0.25rem 0.5rem;
}

.btn {
  min-height: 2.5rem;
}

.btn-primary {
  --bs-btn-bg: var(--app-brand);
  --bs-btn-border-color: var(--app-brand);
  --bs-btn-hover-bg: var(--app-brand-dark);
  --bs-btn-hover-border-color: var(--app-brand-dark);
  --bs-btn-active-bg: var(--app-brand-dark);
  --bs-btn-active-border-color: var(--app-brand-dark);
}

.btn-outline-secondary {
  --bs-btn-color: var(--app-brand-dark);
  --bs-btn-border-color: #b6c6d3;
  --bs-btn-hover-bg: var(--app-brand-soft);
  --bs-btn-hover-border-color: var(--app-brand);
  --bs-btn-hover-color: var(--app-brand-dark);
}

.session-state {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--app-text);
}

.logout-form {
  display: inline-flex;
  margin: 0;
}

.session-label,
.eyebrow,
.panel-label,
.metric-label,
.metric-detail {
  color: var(--app-muted);
}

.app-main {
  padding: 1.25rem 0 2rem;
}

.auth-page {
  background: var(--app-bg);
}

.auth-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: 2rem 1rem;
}

.auth-shell {
  width: min(100%, 28rem);
}

.auth-layout {
  display: grid;
  min-height: calc(100vh - 7rem);
  place-items: center;
}

.auth-page .auth-layout {
  min-height: auto;
  place-items: stretch;
}

.auth-panel {
  width: min(100%, 26rem);
  border: 1px solid var(--app-border);
  border-radius: 0.5rem;
  background: var(--app-surface);
  margin: 0 auto;
  padding: 1.625rem;
}

.auth-logo {
  display: block;
  width: min(100%, 22rem);
  height: auto;
  margin: 0 auto 1.5rem;
}

.auth-logo-secondary {
  width: min(100%, 19rem);
}

.auth-heading {
  margin-bottom: 1.25rem;
}

.auth-heading h1 {
  margin: 0;
  font-size: 1.375rem;
  font-weight: 700;
}

.page-heading {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 1.125rem;
}

.page-heading h1 {
  margin: 0;
  font-size: 1.625rem;
  font-weight: 700;
}

.site-heading-name {
  margin: 0.25rem 0 0;
  color: var(--app-muted);
  font-size: 1rem;
}

.eyebrow,
.panel-label {
  margin-bottom: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
}

.heading-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.metric-card,
.work-panel {
  border: 1px solid var(--app-border);
  border-radius: 0.5rem;
  background: var(--app-surface);
}

.metric-card {
  display: grid;
  gap: 0.375rem;
  min-height: 6.75rem;
  padding: 0.875rem;
}

.dashboard-metrics {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.metric-value {
  color: var(--app-brand-dark);
  font-size: 1.75rem;
  line-height: 1;
}

.work-area {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.work-panel {
  padding: 0.875rem;
}

.work-panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.work-panel p:last-child {
  margin-bottom: 0;
  color: var(--app-muted);
}

.dashboard-panel {
  margin-bottom: 0;
}

.dashboard-section-title {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.dashboard-list {
  display: grid;
  gap: 0.5rem;
}

.dashboard-list-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--app-border);
  padding-bottom: 0.5rem;
}

.dashboard-list-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.dashboard-list-row strong {
  color: var(--app-brand-dark);
}

.dashboard-note {
  margin: 0.875rem 0 0;
  color: var(--app-muted);
  font-size: 0.875rem;
}

.filter-panel,
.list-panel {
  border: 1px solid var(--app-border);
  border-radius: 0.5rem;
  background: var(--app-surface);
}

.filter-panel {
  margin-bottom: 1rem;
  padding: 0.875rem;
}

.filter-panel .form-control,
.filter-panel .form-select,
.form-panel .form-control,
.form-panel .form-select {
  min-height: 2.75rem;
}

.filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-actions .btn {
  min-width: 7rem;
}

.list-panel {
  padding: 0.875rem;
}

.list-summary {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  color: var(--app-muted);
}

.list-summary strong,
.site-code,
.site-name,
.site-code-large {
  color: var(--app-text);
}

.site-table {
  margin-bottom: 0;
}

.activity-table {
  margin-bottom: 0;
}

.site-table th,
.activity-table th {
  color: var(--app-muted);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
}

.site-code {
  display: inline-block;
  border-radius: 0.375rem;
  background: var(--app-brand-soft);
  padding: 0.125rem 0.375rem;
  color: var(--app-brand-dark);
  white-space: nowrap;
  font-weight: 700;
}

.site-name {
  font-weight: 650;
}

.activity-site-name,
.activity-summary {
  display: block;
  margin-top: 0.25rem;
  color: var(--app-muted);
  font-size: 0.875rem;
}

.site-code-large {
  color: var(--app-brand-dark);
}

.technology-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  min-width: 8rem;
}

.site-card-list {
  display: grid;
  gap: 0.75rem;
}

.site-card {
  border: 1px solid var(--app-border);
  border-radius: 0.5rem;
  background: var(--app-surface);
  padding: 0.875rem;
}

.site-card-header {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  justify-content: space-between;
}

.site-card-header h2 {
  margin: 0.375rem 0 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.site-card-location {
  margin: 0.625rem 0 0;
  color: var(--app-muted);
  font-size: 0.9375rem;
}

.site-card-technologies {
  min-width: 0;
  margin-top: 0.625rem;
}

.site-card-action {
  width: 100%;
  margin-top: 0.75rem;
}

.empty-state {
  padding: 2rem 1rem;
  text-align: center;
}

.empty-state h2 {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.empty-state p {
  margin-bottom: 0;
  color: var(--app-muted);
}

.site-pagination {
  margin-top: 0.875rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.detail-panel {
  border: 1px solid var(--app-border);
  border-radius: 0.5rem;
  background: var(--app-surface);
  padding: 0.875rem;
}

.detail-panel-wide {
  grid-column: 1 / -1;
}

.detail-panel h2 {
  color: var(--app-brand-dark);
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  margin: 0;
}

.detail-list div {
  min-width: 0;
}

.detail-list dt,
.detail-table th {
  color: var(--app-muted);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
}

.detail-list dd {
  margin: 0.125rem 0 0;
  overflow-wrap: anywhere;
}

.detail-table {
  margin-bottom: 0;
}

.detail-card-list {
  display: grid;
  gap: 0.625rem;
}

.detail-card {
  border: 1px solid var(--app-border);
  border-radius: 0.5rem;
  padding: 0.75rem;
}

.detail-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 700;
}

.detail-subsection {
  margin-top: 1rem;
}

.detail-subsection h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.identifier-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.detail-card-header {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  justify-content: space-between;
}

.empty-detail {
  margin: 0;
  color: var(--app-muted);
}

.form-panel {
  border: 1px solid var(--app-border);
  border-radius: 0.5rem;
  background: var(--app-surface);
  padding: 0.875rem;
}

.form-context {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: baseline;
  margin-bottom: 1rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.access-panel {
  border: 1px solid var(--app-border);
  border-radius: 0.5rem;
  background: var(--app-surface);
  padding: 1rem;
}

.access-panel h1 {
  color: var(--app-brand-dark);
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.access-panel p:last-of-type {
  color: var(--app-muted);
}

.message-stack {
  margin-bottom: 1rem;
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    padding-top: 0.75rem;
  }

  .navbar-nav {
    gap: 0.25rem;
  }

  .nav-link {
    min-height: 2.5rem;
  }

  .page-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .heading-actions {
    justify-content: flex-start;
  }

  .list-summary {
    align-items: flex-start;
    flex-direction: column;
  }

  .detail-grid,
  .detail-list {
    grid-template-columns: 1fr;
  }

  .metric-grid,
  .dashboard-metrics,
  .work-area {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .app-main {
    padding-top: 1rem;
  }

  .auth-main {
    align-items: center;
    padding: 1rem 0.875rem;
  }

  .brand-logo {
    height: 2rem;
    max-width: 8.75rem;
  }

  .auth-layout {
    min-height: auto;
    place-items: stretch;
  }

  .auth-panel,
  .filter-panel,
  .list-panel,
  .detail-panel,
  .form-panel,
  .access-panel {
    padding: 0.8rem;
  }

  .auth-logo {
    width: min(100%, 20rem);
    margin-bottom: 1.125rem;
  }

  .auth-logo-secondary {
    width: min(100%, 17rem);
  }

  .page-heading {
    margin-bottom: 1rem;
  }

  .page-heading h1 {
    font-size: 1.5rem;
  }

  .metric-grid,
  .dashboard-metrics,
  .work-area {
    grid-template-columns: 1fr;
  }

  .metric-card {
    min-height: 6rem;
  }

  .list-panel {
    margin-right: -0.25rem;
    margin-left: -0.25rem;
  }

  .site-table {
    min-width: 52rem;
  }

  .activity-table {
    min-width: 62rem;
  }

  .detail-card-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .heading-actions,
  .heading-actions .btn,
  .filter-actions,
  .filter-actions .btn,
  .form-actions,
  .form-actions .btn {
    width: 100%;
  }

  .session-state {
    align-items: flex-start;
    flex-direction: column;
  }
}