:root {
  --app-font-size: 0.88rem;
  --app-line-height: 1.18rem;
  --app-padding: 0.5rem;
  --app-max-width: 1400px;

  /* UI theming (can be overridden via app settings) */
  --app-navbar-bg: #212529;
  --app-btn-primary-bg: #0d6efd;
  --app-btn-primary-text: #ffffff;

  --app-nav-text-color: #ffffff;

  --app-nav-link-color: #e6e6e6;
  --app-nav-link-hover: #ffffff;
  --app-nav-link-pressed: #ffffff;
  --app-nav-link-active: #ffffff;

  --app-muted-color: rgba(0, 0, 0, 0.6);
  --app-table-filters-bg: rgba(0, 0, 0, 0.02);
  --app-status-border: rgba(0, 0, 0, 0.18);
  --app-status-inner: rgba(255, 255, 255, 0.18);

  --app-meta-bg: rgba(0, 0, 0, 0.02);
  --app-meta-border: rgba(0, 0, 0, 0.08);
}

html[data-bs-theme="dark"] {
  --app-muted-color: rgba(255, 255, 255, 0.65);
  --app-table-filters-bg: rgba(255, 255, 255, 0.04);
  --app-status-border: rgba(255, 255, 255, 0.22);
  --app-status-inner: rgba(255, 255, 255, 0.14);

  --app-meta-bg: rgba(255, 255, 255, 0.03);
  --app-meta-border: rgba(255, 255, 255, 0.10);
}

body {
  font-size: var(--app-font-size);
  line-height: var(--app-line-height);
}

.img-thumb {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 0.4rem;
  box-shadow: inset 0 0 0 1px var(--app-meta-border);
  background: var(--app-meta-bg);
  display: inline-block;
}

.img-thumb--empty {
  width: 52px;
  height: 52px;
}

.app-container {
  padding: var(--app-padding);
  max-width: var(--app-max-width);
  margin-left: auto;
  margin-right: auto;
}

.app-container--nav {
  padding-top: 0.15rem;
  padding-bottom: 0.15rem;
}

.navbar .container-fluid {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.app-navbar {
  background-color: var(--app-navbar-bg) !important;
  color: var(--app-nav-text-color);
}

.app-navbar .navbar-brand {
  color: var(--app-nav-text-color) !important;
}

.app-navbar .app-nav-actions .text-white-50 {
  color: var(--app-nav-text-color) !important;
  opacity: 0.75;
}

.navbar-brand {
  font-size: 0.95rem;
  padding-top: 0;
  padding-bottom: 0;
}

.navbar-nav .nav-link {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  padding-left: 0.6rem;
  padding-right: 0.6rem;
  margin: 0.05rem 0.1rem;
  font-size: 0.88rem;
  border-radius: 0.6rem;
  transition: background-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

/* Modern, subtle nav styling on dark top bar */
.navbar-dark .navbar-nav .nav-link {
  color: var(--app-nav-link-color);
  position: relative;
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: var(--app-nav-link-hover);
  background-color: rgba(255, 255, 255, 0.10);
}

.navbar-dark .navbar-nav .nav-link:active {
  color: var(--app-nav-link-pressed);
}

.navbar-dark .navbar-nav .nav-link.active,
.navbar-dark .navbar-nav .nav-link[aria-current="page"] {
  color: var(--app-nav-link-active);
  font-weight: 700;
  background-color: rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.18);
}

.navbar .btn-sm {
  --bs-btn-padding-y: 0.18rem;
  --bs-btn-padding-x: 0.45rem;
}

/* Navbar action buttons (Logout, Settings, Theme) use primary theme */
.app-navbar .btn-outline-light {
  color: var(--app-btn-primary-text) !important;
  background-color: var(--app-btn-primary-bg) !important;
  border-color: var(--app-btn-primary-bg) !important;
}

.app-navbar .btn-outline-light:hover,
.app-navbar .btn-outline-light:focus {
  filter: brightness(0.92);
}

.app-navbar .btn-outline-light:active,
.app-navbar .btn-outline-light.active,
.app-navbar .btn-outline-light[aria-current="page"] {
  filter: brightness(0.85);
}

/* Active state for settings icon button in navbar */
.navbar .btn-outline-light.active,
.navbar .btn-outline-light[aria-current="page"] {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.40);
}

/* Center nav items in top bar (desktop), keep mobile collapse natural */
@media (min-width: 992px) {
  /* Use a 3-column grid: brand | centered nav | actions */
  .navbar .app-container--nav {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    column-gap: 0.5rem;
  }

  /* Let collapse children (ul + actions) participate in the grid */
  .navbar-expand-lg #topnav {
    /* Override Bootstrap's display:flex !important on desktop */
    display: contents !important;
  }

  .navbar .app-nav-center {
    grid-column: 2;
    justify-content: center;
    margin: 0;
  }

  .navbar .app-nav-actions {
    grid-column: 3;
    justify-self: end;
    margin-left: 0;
  }
}

/* Theme switcher in dark navbar: avoid glaring active state */
.navbar [data-theme-set].btn-outline-light.active,
.navbar [data-theme-set].btn-outline-light:active {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.navbar [data-theme-set].btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.10);
}

/* Keep all navbar action buttons the same height (Theme, Settings, Logout) */
.app-navbar .app-nav-actions .btn,
.app-navbar .app-nav-actions .btn-group > .btn {
  height: 30px;
  padding-top: 0;
  padding-bottom: 0;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.app-navbar .app-nav-actions svg {
  display: block;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-left: 0.4rem;
  padding-right: 0.4rem;
}

.card-body {
  padding: 0.75rem;
}

.form-label {
  margin-bottom: 0.2rem;
}

.mb-3 {
  margin-bottom: 0.5rem !important;
}

.mb-2 {
  margin-bottom: 0.35rem !important;
}

.alert {
  padding: 0.5rem 0.65rem;
  margin-bottom: 0.5rem;
}

.table td, .table th {
  padding: 0.28rem 0.45rem;
  vertical-align: middle;
}

.form-control, .form-select {
  padding: 0.28rem 0.45rem;
  font-size: 0.88rem;
}

.btn {
  --bs-btn-padding-y: 0.24rem;
  --bs-btn-padding-x: 0.5rem;
  --bs-btn-font-size: 0.88rem;
}

/* Scroll to top (global) */
.app-scroll-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1080;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease, filter 140ms ease;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
}

.app-scroll-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.app-scroll-top:hover {
  filter: brightness(0.95);
}

.app-scroll-top:focus-visible {
  outline: 3px solid rgba(13, 110, 253, 0.35);
  outline-offset: 2px;
}

@media (max-width: 576px) {
  .app-scroll-top {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}

/* Primary button theming */
.btn-primary {
  background-color: var(--app-btn-primary-bg) !important;
  border-color: var(--app-btn-primary-bg) !important;
  color: var(--app-btn-primary-text) !important;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--app-btn-primary-bg) !important;
  border-color: var(--app-btn-primary-bg) !important;
  color: var(--app-btn-primary-text) !important;
}

@supports (color: color-mix(in srgb, #000 50%, #fff)) {
  .btn-primary:hover,
  .btn-primary:focus {
    background-color: color-mix(in srgb, var(--app-btn-primary-bg) 90%, #000) !important;
    border-color: color-mix(in srgb, var(--app-btn-primary-bg) 90%, #000) !important;
  }
  .btn-primary:active,
  .btn-primary.active {
    background-color: color-mix(in srgb, var(--app-btn-primary-bg) 80%, #000) !important;
    border-color: color-mix(in srgb, var(--app-btn-primary-bg) 80%, #000) !important;
  }
}

.small-muted {
  color: var(--app-muted-color);
  font-size: 0.82em;
}

.kpi-value {
  font-size: clamp(1.6rem, 2.8vw, 2.3rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.kpi-unit {
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.75;
}

.sparkline {
  width: 240px;
  height: 64px;
  display: block;
}

.sparkline .sparkline-area {
  fill: rgba(var(--bs-primary-rgb), 0.18);
}

.sparkline .sparkline-line {
  fill: none;
  stroke: rgba(var(--bs-primary-rgb), 0.95);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-ph {
  width: 240px;
}

.chart-ph svg {
  width: 240px;
  height: 64px;
  display: block;
}

.chart-ph-grid {
  stroke: rgba(0, 0, 0, 0.08);
  stroke-width: 1;
}

.chart-ph-border {
  fill: transparent;
  stroke: rgba(0, 0, 0, 0.18);
  stroke-width: 1;
}

.chart-ph--ready .chart-ph-border {
  stroke: rgba(var(--bs-primary-rgb), 0.65);
}

html[data-bs-theme="dark"] .chart-ph-grid {
  stroke: rgba(255, 255, 255, 0.10);
}

html[data-bs-theme="dark"] .chart-ph-border {
  stroke: rgba(255, 255, 255, 0.22);
}

html[data-bs-theme="dark"] .sparkline .sparkline-area {
  fill: rgba(var(--bs-primary-rgb), 0.14);
}

.art-ordernumber {
  margin-top: 0.05rem;
  white-space: nowrap;
}

.badge-soft {
  background: rgba(var(--bs-primary-rgb), 0.10);
  color: var(--bs-primary-text-emphasis, var(--bs-primary));
  border: 1px solid rgba(var(--bs-primary-rgb), 0.25);
}

.table-filters th {
  padding-top: 0.25rem;
  padding-bottom: 0.35rem;
  background: var(--app-table-filters-bg);
}

.cat-name {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding-left: calc(var(--cat-depth, 0) * 14px);
}

/* Categories table: keep names on one line and give the name column more room */
#categoriesTable th:nth-child(1),
#categoriesTable td:nth-child(1) {
  width: 360px;
  min-width: 360px;
}

/* Categories table: make traffic-light column compact */
#categoriesTable th:nth-child(3),
#categoriesTable td:nth-child(3) {
  width: 72px;
  min-width: 72px;
  white-space: nowrap;
}

#categoriesTable .cat-name {
  flex-wrap: nowrap;
  white-space: nowrap;
}

.cat-toggle {
  width: 28px;
  height: 24px;
  padding: 0;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 28px;
}

.cat-name-text {
  display: inline-block;
  white-space: nowrap;
}

/* Categories table: meta cell layout */
.cat-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cat-meta-field {
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--app-meta-border);
  border-radius: 0.35rem;
  background: var(--app-meta-bg);
}

.cat-meta-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.15rem;
}

.cat-meta-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-inline-edit {
  --bs-btn-padding-y: 0.14rem;
  --bs-btn-padding-x: 0.4rem;
  --bs-btn-font-size: 0.82em;
}

.btn-inline-edit.btn-icon {
  width: 28px;
  height: 24px;
  padding-left: 0;
  padding-right: 0;
}

.cat-inline-editor {
  margin-top: 0.35rem;
}

.cat-inline-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.35rem;
}

.cat-inline-msg {
  margin-left: auto;
}

.cat-meta-label {
  font-weight: 600;
  font-size: 0.82em;
}

.cat-meta-stats {
  color: var(--app-muted-color);
  font-size: 0.82em;
  white-space: nowrap;
}

.cat-meta-value {
  line-height: 1.25rem;
}

/* SEO traffic-light coloring for title/description text */
.seo-text {
  border-radius: 0.25rem;
  padding: 0.15rem 0.25rem;
}

.seo-text--ok {
  color: var(--bs-success-text-emphasis, #0f5132);
  background: rgba(25, 135, 84, 0.10);
}

.seo-text--warn {
  color: var(--bs-warning-text-emphasis, #664d03);
  background: rgba(255, 193, 7, 0.14);
}

.seo-text--bad {
  color: var(--bs-danger-text-emphasis, #842029);
  background: rgba(220, 53, 69, 0.10);
}

.cat-meta-hint {
  color: var(--app-muted-color);
  font-size: 0.82em;
  margin-top: 0.1rem;
  line-height: 1.15rem;
}

.cat-meta-link {
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Action buttons: consistent width in the right-most column */
#categoriesTable td.text-end .btn {
  min-width: 120px;
}

.status-lights {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.status-light {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  display: inline-block;
  border: 1px solid var(--app-status-border);
  box-shadow: inset 0 0 0 1px var(--app-status-inner);
  cursor: help;
}

/* Slightly stronger table separators/hover in dark mode */
html[data-bs-theme="dark"] .table {
  --bs-table-border-color: rgba(255, 255, 255, 0.10);
  --bs-table-hover-bg: rgba(255, 255, 255, 0.03);
  --bs-table-striped-bg: rgba(255, 255, 255, 0.02);
}

.status-light--ok {
  background: #198754; /* Bootstrap success */
}

.status-light--warn {
  background: #ffc107; /* Bootstrap warning */
}

.status-light--bad {
  background: #dc3545; /* Bootstrap danger */
}

.donut {
  --donut-size: 108px;
  --donut-thickness: 14px;
  --donut-ok: #198754; /* Bootstrap success */
  --donut-warn: #ffc107; /* Bootstrap warning */
  --donut-bad: #dc3545; /* Bootstrap danger */
  --donut-empty: rgba(127, 127, 127, 0.25);

  width: var(--donut-size);
  height: var(--donut-size);
  border-radius: 999px;
  flex: 0 0 auto;
  position: relative;

  /* Start at 12 o'clock for a more "orderly" look */
  background: conic-gradient(
    from -90deg,
    var(--donut-ok) 0 var(--deg-ok, 0deg),
    var(--donut-warn) var(--deg-ok, 0deg) calc(var(--deg-ok, 0deg) + var(--deg-warn, 0deg)),
    var(--donut-bad) calc(var(--deg-ok, 0deg) + var(--deg-warn, 0deg)) 360deg
  );

  box-shadow: inset 0 0 0 1px var(--app-meta-border);
  background-color: var(--donut-empty);
}

.donut::after {
  content: '';
  position: absolute;
  inset: var(--donut-thickness);
  border-radius: 999px;
  background: var(--bs-card-bg, var(--bs-body-bg));
  box-shadow: inset 0 0 0 1px var(--app-meta-border);
}

/* Prefer masking for crisp, perfectly centered rings (fallback is ::after) */
@supports ((-webkit-mask: radial-gradient(#000, transparent)) or (mask: radial-gradient(#000, transparent))) {
  .donut {
    -webkit-mask: radial-gradient(
      farthest-side,
      transparent calc(100% - var(--donut-thickness)),
      #000 0
    );
    mask: radial-gradient(
      farthest-side,
      transparent calc(100% - var(--donut-thickness)),
      #000 0
    );
  }

  .donut::after {
    content: none;
  }
}

/* Neutral ring when there is no data (total=0) */
.donut--empty {
  background: conic-gradient(from -90deg, var(--donut-empty) 0 360deg);
}

/* Action buttons: icon-only in right-most column */
.btn-row-action.btn-icon {
  width: 32px;
  height: 28px;
  padding-left: 0;
  padding-right: 0;
}

/* Categories table: remove forced wide action buttons (now icon-only) */
#categoriesTable td.text-end .btn {
  min-width: unset;
}

/* Articles table: keep name readable */
#articlesTable th:nth-child(2),
#articlesTable td:nth-child(2) {
  width: 420px;
  min-width: 420px;
}