/* ============================================================
   Telemetry Admin — Theme (Bootstrap 5.3 restyle, CSS3)
   Light & dark aware via [data-bs-theme]
   ============================================================ */

:root {
  --app-accent: #0d6efd;
  --app-radius: .9rem;
  --app-radius-sm: .55rem;
  --app-shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --app-shadow: 0 18px 40px -24px rgba(15, 23, 42, .35);
  --app-shadow-lg: 0 26px 60px -30px rgba(15, 23, 42, .45);
  --app-gradient: linear-gradient(
    135deg,
    color-mix(in srgb, var(--app-accent) 85%, white),
    var(--app-accent) 55%,
    color-mix(in srgb, var(--app-accent) 75%, black)
  );
}

/* ---------- Accent color bindings ---------- */
.bg-primary { background-color: var(--app-accent) !important; }
.text-primary { color: var(--app-accent) !important; }
.border-primary { border-color: var(--app-accent) !important; }
.badge.text-bg-primary, .table-primary { background-color: var(--app-accent) !important; }

a { color: var(--app-accent); }
a:hover { color: color-mix(in srgb, var(--app-accent) 78%, black); }

/* ---------- Base ---------- */
body {
  background-color: var(--bs-body-bg);
  background-image:
    radial-gradient(55rem 55rem at 105% -15%, color-mix(in srgb, var(--app-accent) 12%, transparent), transparent 60%),
    radial-gradient(45rem 45rem at -15% 110%, color-mix(in srgb, var(--app-accent) 9%, transparent), transparent 55%);
  background-attachment: fixed;
  min-height: 100vh;
}

main.container-fluid {
  animation: app-fade-in .35s ease both;
}

@keyframes app-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  letter-spacing: -.02em;
  font-weight: 700;
}

main > .d-flex > h1,
main > h1 {
  font-weight: 800;
}

a {
  text-underline-offset: .15em;
}

code {
  background: color-mix(in srgb, var(--app-accent) 10%, transparent);
  color: color-mix(in srgb, var(--app-accent) 85%, var(--bs-body-color));
  padding: .12rem .4rem;
  border-radius: .4rem;
  font-size: .86em;
}

::selection {
  background: color-mix(in srgb, var(--app-accent) 30%, transparent);
}

/* ---------- Scrollbar ---------- */
* {
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--app-accent) 40%, var(--bs-body-bg)) transparent;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--app-accent) 40%, var(--bs-body-bg));
  border-radius: 99px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--app-accent) 65%, var(--bs-body-bg));
  background-clip: padding-box;
}

/* ---------- Navbar ---------- */
.app-navbar {
  background: color-mix(in srgb, var(--bs-body-bg) 80%, transparent) !important;
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: none !important;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--bs-border-color) 70%, transparent);
  position: sticky;
  top: 0;
  z-index: 1030;
  padding-top: .6rem;
  padding-bottom: .6rem;
}

.app-navbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--app-accent), color-mix(in srgb, var(--app-accent) 10%, transparent) 65%);
  opacity: .6;
  pointer-events: none;
}

.app-navbar .navbar-brand {
  font-weight: 800;
  letter-spacing: -.03em;
  font-size: 1.15rem;
}

.app-navbar .navbar-brand i {
  color: var(--app-accent);
  filter: drop-shadow(0 2px 6px color-mix(in srgb, var(--app-accent) 45%, transparent));
}

.app-navbar .nav-link {
  position: relative;
  font-weight: 600;
  font-size: .925rem;
  color: var(--bs-body-color);
  border-radius: var(--app-radius-sm);
  padding: .45rem .85rem;
  margin: 0 .1rem;
  transition: color .18s ease, background-color .18s ease;
}

.app-navbar .nav-link:hover {
  color: var(--app-accent);
  background: color-mix(in srgb, var(--app-accent) 8%, transparent);
}

.app-navbar .nav-link.active {
  color: var(--app-accent) !important;
  background: color-mix(in srgb, var(--app-accent) 13%, transparent);
  box-shadow: inset 0 -2px 0 color-mix(in srgb, var(--app-accent) 65%, transparent);
}

.app-navbar .navbar-text {
  color: var(--bs-secondary-color);
}

.app-navbar .badge {
  border-radius: 99px;
  padding: .45em .85em;
  font-weight: 600;
  letter-spacing: .03em;
}

.app-navbar .btn {
  border-radius: 99px;
  padding: .38rem .95rem;
  font-weight: 600;
}

.navbar-toggler {
  border: none;
  padding: .35rem .55rem;
}
.navbar-toggler:focus {
  box-shadow: none;
}

/* ---------- Buttons ---------- */
.btn {
  --bs-btn-border-radius: var(--app-radius-sm);
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .15s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--app-accent);
  border-color: var(--app-accent);
  box-shadow: 0 8px 18px -10px color-mix(in srgb, var(--app-accent) 80%, transparent);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background: color-mix(in srgb, var(--app-accent) 84%, black);
  border-color: color-mix(in srgb, var(--app-accent) 84%, black);
  box-shadow: 0 10px 22px -10px color-mix(in srgb, var(--app-accent) 85%, transparent);
}

.btn-outline-primary {
  color: var(--app-accent);
  border-color: color-mix(in srgb, var(--app-accent) 55%, var(--bs-border-color));
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--app-accent);
  border-color: var(--app-accent);
  color: #fff;
  box-shadow: 0 8px 18px -10px color-mix(in srgb, var(--app-accent) 80%, transparent);
}

.btn-success {
  background: #198754;
  border-color: #198754;
  box-shadow: 0 8px 18px -10px rgba(25, 135, 84, .8);
}
.btn-success:hover,
.btn-success:focus {
  background: #157347;
  border-color: #146c43;
}

.btn-danger {
  background: #dc3545;
  border-color: #dc3545;
  box-shadow: 0 8px 18px -10px rgba(220, 53, 69, .8);
}
.btn-danger:hover,
.btn-danger:focus {
  background: #bb2d3b;
  border-color: #b02a37;
}

.btn-secondary {
  background: color-mix(in srgb, var(--bs-body-color) 75%, var(--bs-body-bg));
  border-color: color-mix(in srgb, var(--bs-body-color) 25%, var(--bs-body-bg));
}

/* ---------- Cards ---------- */
.card {
  --bs-card-border-color: color-mix(in srgb, var(--bs-border-color) 80%, transparent);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--app-shadow);
}

.card-body > h5,
.card-body > h6 {
  position: relative;
  padding-bottom: .65rem;
  margin-bottom: 1.1rem;
}

.card-body > h5::after,
.card-body > h6::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2.4rem;
  height: 3px;
  border-radius: 99px;
  background: var(--app-gradient);
}

.card-body > .d-flex > h5.mb-0 {
  padding-bottom: 0;
  margin-bottom: 0;
}
.card-body > .d-flex > h5.mb-0::after {
  display: none;
}

.stat-card .card-body .fs-3 {
  display: flex;
  align-items: center;
  gap: .25rem;
  font-weight: 800;
  letter-spacing: -.02em;
}

.stat-card .card-body .fs-3 i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  flex: 0 0 2.6rem;
  border-radius: .8rem;
  font-size: 1.05rem;
  background: color-mix(in srgb, currentColor 14%, transparent);
}

.stat-card:hover {
  transform: translateY(-4px);
}

/* ---------- Tables ---------- */
.table {
  --bs-table-bg: transparent;
  --bs-table-accent-bg: transparent;
  --bs-table-cell-padding-y: .8rem;
  --bs-table-cell-padding-x: .95rem;
  margin-bottom: 0;
  vertical-align: middle;
}

.table-sm {
  --bs-table-cell-padding-y: .4rem;
  --bs-table-cell-padding-x: .55rem;
}

.table > :not(caption) > * > * {
  background-image: none;
  border-color: color-mix(in srgb, var(--bs-border-color) 75%, transparent);
}

.table thead th {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  font-weight: 700;
  color: var(--bs-secondary-color);
  background: color-mix(in srgb, var(--app-accent) 6%, var(--bs-body-bg));
  border-bottom-width: 1px;
  white-space: nowrap;
}

/* ---------- Sortable columns (assets/js/table-sort.js) ---------- */
.table thead th.sortable {
  cursor: pointer;
  user-select: none;
  padding-inline-end: 1.6rem;
  position: relative;
}

.table thead th.sortable::after {
  content: "\2195";
  position: absolute;
  inset-inline-end: .45rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: .8em;
  opacity: .35;
}

.table thead th.sortable:hover {
  color: var(--bs-body-color);
}

.table thead th.sortable:hover::after {
  opacity: .7;
}

.table thead th.sortable[data-sort-dir] {
  color: var(--app-accent);
}

.table thead th.sortable[data-sort-dir]::after {
  content: "\25B2";
  opacity: 1;
}

.table thead th.sortable[data-sort-dir="desc"]::after {
  content: "\25BC";
}

.table thead th.sortable:focus-visible {
  outline: 2px solid var(--app-accent);
  outline-offset: -2px;
}


.table tbody tr {
  transition: background-color .15s ease;
}

.table tbody tr:hover {
  background-color: color-mix(in srgb, var(--app-accent) 7%, transparent);
}

.table-hover > tbody > tr:hover > * {
  --bs-table-hover-bg: transparent;
  background-color: color-mix(in srgb, var(--app-accent) 7%, transparent);
}

.table .badge {
  border-radius: .5rem;
  font-weight: 600;
  font-size: .74rem;
  padding: .42em .6em;
}

/* ---------- Forms ---------- */
.form-label {
  font-weight: 600;
  font-size: .875rem;
  margin-bottom: .4rem;
}

.form-control,
.form-select {
  border-radius: var(--app-radius-sm);
  border-color: var(--bs-border-color);
  padding: .55rem .85rem;
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.form-control:hover,
.form-select:hover {
  border-color: color-mix(in srgb, var(--app-accent) 35%, var(--bs-border-color));
}

.form-control:focus,
.form-select:focus {
  border-color: color-mix(in srgb, var(--app-accent) 60%, var(--bs-border-color));
  box-shadow: 0 0 0 .22rem color-mix(in srgb, var(--app-accent) 16%, transparent);
}

.form-control-color {
  padding: .25rem;
  height: 2.6rem;
}

.form-check-input {
  border-radius: .3em;
  transition: background-color .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.form-check-input:checked {
  background-color: var(--app-accent);
  border-color: var(--app-accent);
}

.form-check-input:focus {
  box-shadow: 0 0 0 .22rem color-mix(in srgb, var(--app-accent) 16%, transparent);
}

.form-switch .form-check-input:checked {
  background-color: #198754;
  border-color: #198754;
}

.form-switch .form-check-input:not(:checked) {
  background-color: rgba(221, 53, 69, .35);
  border-color: #dc3545;
}

/* ---------- Badges / alerts / pills ---------- */
.badge {
  font-weight: 600;
  letter-spacing: .02em;
}

.alert {
  border-radius: var(--app-radius);
  border-width: 1px;
  font-weight: 500;
  box-shadow: var(--app-shadow-sm);
}

.alert i { opacity: .85; }

.text-state-on { color: #198754 !important; }
.text-state-off { color: #dc3545 !important; }

.progress {
  border-radius: 99px;
  background: color-mix(in srgb, var(--bs-body-color) 10%, transparent);
  overflow: hidden;
}

.progress-bar {
  background: var(--app-gradient);
}

/* ---------- Validity countdown pill ---------- */
.validity-pill {
  display: inline-block;
  background: color-mix(in srgb, var(--app-accent) 14%, var(--bs-body-bg));
  color: var(--app-accent);
  border: 1px solid color-mix(in srgb, var(--app-accent) 45%, transparent);
  padding: .2rem .65rem;
  border-radius: 99px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: .03em;
  animation: validity-pulse 2s ease-in-out infinite;
}

.validity-pill.is-expired {
  background: rgba(220, 53, 69, .15);
  border-color: rgba(220, 53, 69, .55);
  color: #dc3545;
  animation: none;
}

@keyframes validity-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--app-accent) 35%, transparent); }
  50% { box-shadow: 0 0 0 .35rem color-mix(in srgb, var(--app-accent) 0%, transparent); }
}

/* ---------- Pagination ---------- */
.pagination .page-link {
  border-radius: var(--app-radius-sm) !important;
  margin: 0 .15rem;
  border: 1px solid color-mix(in srgb, var(--bs-border-color) 85%, transparent);
  font-weight: 600;
  font-size: .85rem;
  transition: all .15s ease;
}

.pagination .page-item.active .page-link {
  background: var(--app-accent);
  border-color: var(--app-accent);
  box-shadow: 0 8px 16px -10px color-mix(in srgb, var(--app-accent) 80%, transparent);
}

.pagination .page-item.disabled .page-link {
  opacity: .5;
}

/* ---------- Breadcrumbs / misc ---------- */
.breadcrumb {
  --bs-breadcrumb-item-divider: "";
}

.dropdown-menu {
  border-radius: var(--app-radius-sm);
  border-color: var(--bs-border-color);
  box-shadow: var(--app-shadow);
}

.dropdown-item:active {
  background: color-mix(in srgb, var(--app-accent) 85%, black);
}

/* ---------- Devices page (box cards) ---------- */
.device-card {
  display: flex;
  flex-direction: column;
  border: 1px solid color-mix(in srgb, var(--bs-border-color) 85%, transparent);
}

.device-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--app-accent) 35%, var(--bs-border-color));
}

.device-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.7rem;
  height: 2.7rem;
  flex: 0 0 2.7rem;
  border-radius: .85rem;
  background: color-mix(in srgb, currentColor 14%, transparent);
  color: var(--app-accent);
  font-size: 1.1rem;
}

.device-title {
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--bs-body-color);
  text-decoration: none;
}

.device-title:hover {
  color: var(--app-accent);
}

.device-uid {
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: .78rem;
}

.device-status .status-dot {
  display: inline-block;
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: currentColor;
  margin-right: .35rem;
  vertical-align: middle;
}

.device-status:not(.text-bg-secondary) .status-dot {
  box-shadow: 0 0 0 0 rgba(25, 135, 84, .6);
  animation: status-pulse 2s ease-out infinite;
}

@keyframes status-pulse {
  0% { box-shadow: 0 0 0 0 rgba(25, 135, 84, .55); }
  70% { box-shadow: 0 0 0 .45rem rgba(25, 135, 84, 0); }
  100% { box-shadow: 0 0 0 0 rgba(25, 135, 84, 0); }
}

.device-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
  margin-top: 1rem;
  padding: .7rem .75rem;
  background: color-mix(in srgb, var(--app-accent) 5%, var(--bs-body-bg));
  border: 1px solid color-mix(in srgb, var(--app-accent) 12%, transparent);
  border-radius: .75rem;
}

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

.device-metric {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .3rem;
  min-width: 0;
}

.device-metric-label {
  font-size: .66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--bs-secondary-color);
}

.device-metric-value {
  font-size: .9rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.device-features {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  margin-top: .85rem;
}

.device-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: .5rem;
  margin-top: auto;
  padding: .55rem .75rem;
  background: transparent;
  border-top: 1px solid color-mix(in srgb, var(--bs-border-color) 80%, transparent);
  box-shadow: none;
}

.device-card-footer > * {
  min-width: 0;
}

.device-features-inline {
  margin-top: 0;
  margin-left: auto;
  flex-wrap: nowrap;
  gap: .3rem;
}

.device-features-inline .badge {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .03em;
  padding: .32em .5em;
}

.device-card-footer .btn {
  padding: .18rem .5rem;
  font-size: .76rem;
  flex: 0 0 auto;
}

.device-detail {
  background: color-mix(in srgb, var(--app-accent) 5%, var(--bs-body-bg));
  border-top: 1px solid color-mix(in srgb, var(--app-accent) 15%, transparent);
}

.device-detail-body {
  padding: 1rem 1.1rem 1.15rem;
}

.device-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
}

@media (min-width: 576px) {
  .device-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.device-detail-item {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  min-width: 0;
}

.device-detail-label {
  font-size: .66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--bs-secondary-color);
}

.device-detail-value {
  font-size: .9rem;
  font-weight: 600;
  word-break: break-word;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  main.container-fluid { animation: none; }
  .validity-pill { animation: none; }
  .device-status .status-dot { animation: none; box-shadow: none; }
  .btn:hover { transform: none; }
  .stat-card:hover,
  .device-card:hover { transform: none; }
  * { transition-duration: .01ms !important; }
}

/* ============================================================
   Login page
   ============================================================ */
.login-body {
  display: flex;
  min-height: 100vh;
  background:
    radial-gradient(40rem 40rem at 85% -10%, color-mix(in srgb, var(--app-accent) 22%, transparent), transparent 60%),
    radial-gradient(35rem 35rem at 0% 110%, color-mix(in srgb, var(--app-accent) 16%, transparent), transparent 55%),
    var(--bs-body-bg);
  background-attachment: fixed;
}

.login-shell {
  width: 100%;
  margin: auto;
  padding: 2rem 0;
}

.login-brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 1.2rem;
  background: var(--app-gradient);
  color: #fff;
  font-size: 1.6rem;
  box-shadow: 0 18px 35px -18px color-mix(in srgb, var(--app-accent) 90%, transparent);
  animation: app-fade-in .4s ease both;
}

.login-card {
  border: 1px solid color-mix(in srgb, var(--bs-border-color) 80%, transparent);
  border-radius: 1.15rem;
  box-shadow: var(--app-shadow-lg);
  animation: app-fade-in .45s ease both;
}

.login-card .card-body {
  padding: 2rem !important;
}

.login-card h3 {
  position: relative;
  padding-bottom: .7rem;
  margin-bottom: 1.35rem;
  font-weight: 700;
}

.login-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2.6rem;
  height: 3px;
  border-radius: 99px;
  background: var(--app-gradient);
}

.login-card .btn-primary {
  padding: .65rem 1rem;
  border-radius: .7rem;
  font-size: 1rem;
}