:root {
  --atl-ink: #17384f;
  --atl-ink-muted: #5e7688;
  --atl-brand: #245f85;
  --atl-brand-strong: #1b4f72;
  --atl-brand-soft: #e8f2f9;
  --atl-accent: #1f8b78;
  --atl-bg: #f1f5f8;
  --atl-surface: #ffffff;
  --atl-border: #d6e2ea;
  --atl-shadow-sm: 0 8px 20px rgba(20, 54, 79, 0.06);
  --atl-shadow-md: 0 14px 34px rgba(20, 54, 79, 0.1);
  --atl-radius-sm: 10px;
  --atl-radius-md: 14px;
  --atl-radius-lg: 20px;

  --atelco-primary: var(--atl-brand);
  --atelco-secondary: var(--atl-brand);
  --atelco-accent: #9cd5ff;
  --atelco-background: var(--atl-bg);

  --bs-body-bg: var(--atl-bg);
  --bs-body-color: var(--atl-ink);
  --bs-link-color: var(--atl-brand);
  --bs-link-hover-color: var(--atl-brand-strong);
  --bs-border-color: var(--atl-border);
  --bs-secondary-color: var(--atl-ink-muted);

  --bs-primary: var(--atl-brand);
  --bs-primary-rgb: 36, 95, 133;
  --bs-primary-text-emphasis: #12354d;
  --bs-primary-bg-subtle: var(--atl-brand-soft);
  --bs-primary-border-subtle: #bfd5e5;

  --bs-secondary: #4a6478;
  --bs-secondary-rgb: 74, 100, 120;
  --bs-info: #56a1d3;
  --bs-info-rgb: 86, 161, 211;
  --bs-success: #2a8a5d;
  --bs-success-rgb: 42, 138, 93;
  --bs-warning: #c98b1a;
  --bs-warning-rgb: 201, 139, 26;
  --bs-danger: #bd3f3f;
  --bs-danger-rgb: 189, 63, 63;
  --bs-light: #f8fbfd;
  --bs-light-rgb: 248, 251, 253;

  --bs-border-radius: var(--atl-radius-sm);
  --bs-border-radius-lg: var(--atl-radius-md);
  --bs-border-radius-xl: var(--atl-radius-lg);
  --bs-font-sans-serif: "Source Sans 3", "Segoe UI", Tahoma, Geneva, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1300px 640px at -8% -12%, #deebf5 0%, transparent 62%),
    radial-gradient(900px 500px at 108% -22%, #dff0eb 0%, transparent 58%),
    var(--atl-bg);
  color: var(--atl-ink);
  font-family: "Source Sans 3", "Segoe UI", Tahoma, Geneva, sans-serif;
}

main {
  flex: 1;
}

main.container {
  max-width: 1360px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Manrope", "Source Sans 3", sans-serif;
  letter-spacing: -0.01em;
  color: #112f45;
}

a {
  transition: color 0.2s ease;
}

.navbar.bg-primary {
  background: linear-gradient(120deg, #194c70 0%, #2a6e95 100%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 26px rgba(21, 59, 86, 0.24);
}

.navbar .container {
  max-width: 1360px;
}

.navbar-brand {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.navbar .nav-link {
  border-radius: 8px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9) !important;
  padding: 0.45rem 0.75rem;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.navbar .nav-link.active {
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff !important;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus-visible {
  background-color: rgba(255, 255, 255, 0.14);
  color: #ffffff !important;
}

.nav-section-link {
  display: inline-flex;
  align-items: center;
  gap: 0.36rem;
}

.nav-menu-panel {
  min-width: 270px;
}

.nav-menu-header {
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.71rem;
  font-weight: 700;
  color: #688297;
  padding-top: 0.25rem;
  padding-bottom: 0.45rem;
}

.nav-menu-panel .dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.nav-menu-panel .dropdown-item i {
  color: #3d6986;
}

.nav-menu-panel .dropdown-divider {
  margin: 0.38rem 0;
}

.nav-menu-panel .dropdown-item.active {
  background: #eaf3f9;
  color: #12374f;
}

.navbar .dropdown-menu {
  border: 1px solid var(--atl-border);
  border-radius: var(--atl-radius-md);
  box-shadow: var(--atl-shadow-md);
  padding: 0.45rem;
}

.navbar .dropdown-item {
  border-radius: 8px;
  font-weight: 600;
}

.navbar .dropdown-item:active {
  background-color: var(--atl-brand-soft);
  color: #173a54;
}

.btn {
  font-weight: 600;
  border-radius: 10px;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.btn:focus-visible {
  box-shadow: 0 0 0 0.22rem rgba(36, 95, 133, 0.25);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  --bs-btn-bg: var(--atl-brand);
  --bs-btn-border-color: var(--atl-brand);
  --bs-btn-hover-bg: var(--atl-brand-strong);
  --bs-btn-hover-border-color: var(--atl-brand-strong);
  --bs-btn-active-bg: #164b6d;
  --bs-btn-active-border-color: #164b6d;
  --bs-btn-disabled-bg: var(--atl-brand);
  --bs-btn-disabled-border-color: var(--atl-brand);
}

.btn-outline-primary {
  --bs-btn-color: var(--atl-brand);
  --bs-btn-border-color: #89aec7;
  --bs-btn-hover-bg: var(--atl-brand);
  --bs-btn-hover-border-color: var(--atl-brand);
  --bs-btn-active-bg: var(--atl-brand-strong);
  --bs-btn-active-border-color: var(--atl-brand-strong);
}

.btn-outline-secondary {
  --bs-btn-color: #44667f;
  --bs-btn-border-color: #99b2c4;
  --bs-btn-hover-bg: #44667f;
  --bs-btn-hover-border-color: #44667f;
}

.card {
  border: 1px solid var(--atl-border);
  border-radius: var(--atl-radius-md);
  box-shadow: var(--atl-shadow-sm);
  overflow: hidden;
}

.card-header {
  background: linear-gradient(180deg, #fbfdff 0%, #f3f8fc 100%);
  border-bottom: 1px solid var(--atl-border);
  color: #18364b;
  font-weight: 700;
}

.list-group-item {
  border-color: var(--atl-border);
}

.table-responsive {
  border: 1px solid var(--atl-border);
  border-radius: var(--atl-radius-md);
  box-shadow: var(--atl-shadow-sm);
  background: var(--atl-surface);
}

.table {
  margin-bottom: 0;
}

.table > :not(caption) > * > * {
  border-bottom-color: #e6eef4;
}

.table-light,
.table > thead {
  --bs-table-bg: #f3f8fc;
  --bs-table-color: #153549;
}

.table-hover > tbody > tr:hover > * {
  --bs-table-accent-bg: #f5faff;
}

.form-control,
.form-select {
  border-radius: 10px;
  border-color: #bfd1df;
  padding: 0.58rem 0.72rem;
}

.form-control:focus,
.form-select:focus {
  border-color: #6a9fbe;
  box-shadow: 0 0 0 0.2rem rgba(36, 95, 133, 0.2);
}

.alert {
  border-radius: 12px;
  border-width: 1px;
  box-shadow: 0 6px 18px rgba(33, 59, 80, 0.09);
}

.badge-status {
  font-size: 0.79rem;
  letter-spacing: 0.03em;
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.72rem;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 2px;
  background: linear-gradient(180deg, #84b3d1 0%, #d4e5f2 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 1rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.62rem;
  top: 0.3rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--atl-brand);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
  padding: 1.1rem 1.15rem;
  border: 1px solid #cedde8;
  border-radius: var(--atl-radius-md);
  background: linear-gradient(145deg, #ffffff 0%, #ecf4fa 100%);
  box-shadow: var(--atl-shadow-sm);
}

.page-header p {
  color: var(--atl-ink-muted);
  margin-bottom: 0;
}

.metric-card {
  border: 1px solid #cfe0eb;
  background: linear-gradient(150deg, #ffffff 0%, #f2f8fc 100%);
}

.metric-card .display-6 {
  font-family: "Manrope", sans-serif;
  color: #174361;
  font-weight: 700;
}

.action-cluster {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.auth-shell {
  min-height: 72vh;
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(470px, 100%);
}

.footer-note {
  color: #5f778b;
}

#network-status-banner {
  border-left: 0;
  border-right: 0;
  border-top: 0;
  margin-bottom: 0;
}

#offline-sync-toast,
#pwa-update-toast,
#push-activation-toast,
#notif-toast .alert {
  border: 1px solid #c6d8e5;
  border-radius: 12px;
  box-shadow: var(--atl-shadow-md);
}

@media (max-width: 992px) {
  .navbar .nav-link {
    padding: 0.52rem 0.72rem;
  }

  .navbar .navbar-collapse {
    margin-top: 0.75rem;
    background: rgba(16, 59, 88, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 12px;
    padding: 0.5rem;
    backdrop-filter: blur(4px);
  }

  .nav-menu-panel {
    min-width: auto;
  }

  main.container {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }
}

@media (max-width: 576px) {
  .page-header {
    padding: 0.95rem;
  }

  .btn {
    font-size: 0.94rem;
  }
}