:root {
  --trekk-maroon: #8a2432;
  --trekk-maroon-dark: #6e1d28;
  --trekk-grey-dark: #595959;
  --trekk-grey-light: #eceeef;
  --trekk-bg: #f7f7f7;
  --trekk-card-bg: #ffffff;
  --trekk-text: #2b2b2b;
  --trekk-border: rgba(0, 0, 0, 0.08);
  --sidebar-bg: #8a2432;
  --sidebar-text: rgba(255, 255, 255, 0.92);
  --sidebar-muted: rgba(255, 255, 255, 0.6);
  --sidebar-hover: rgba(255, 255, 255, 0.13);
  --sidebar-active: rgba(0, 0, 0, 0.24);
  --header-h: 76px;
  --footer-h: 48px;
  --sidebar-w: 240px;
  --sidebar-collapsed-w: 62px;
}

[data-theme="dark"] {
  --trekk-bg: #101318;
  --trekk-card-bg: #1a1f26;
  --trekk-text: #e7ebf1;
  --trekk-grey-dark: #b7c0cd;
  --trekk-grey-light: #2f3741;
  --trekk-border: rgba(255, 255, 255, 0.08);
  --sidebar-bg: #0f1115;
  --sidebar-text: #e7ebf1;
  --sidebar-muted: rgba(231, 235, 241, 0.6);
  --sidebar-hover: rgba(255, 255, 255, 0.08);
  --sidebar-active: rgba(176, 30, 60, 0.28);
}

/* ── TREKK Primary Button ─────────────────────────────────── */

.btn-trekk-primary {
  background-color: var(--trekk-maroon);
  border: 1px solid var(--trekk-maroon);
  color: #fff;
  font-weight: 500;
  transition: background-color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.btn-trekk-primary:hover,
.btn-trekk-primary:focus-visible {
  background-color: var(--trekk-maroon-dark);
  border-color: var(--trekk-maroon-dark);
  color: #fff;
}

.btn-trekk-primary:active {
  background-color: #5c1520;
  border-color: #5c1520;
  color: #fff;
}

.btn-trekk-primary:disabled {
  background-color: var(--trekk-maroon);
  border-color: var(--trekk-maroon);
  opacity: 0.55;
  color: #fff;
}

[data-theme="dark"] .btn-trekk-primary {
  background-color: var(--trekk-maroon);
  border-color: var(--trekk-maroon);
  color: #fff;
}

[data-theme="dark"] .btn-trekk-primary:hover,
[data-theme="dark"] .btn-trekk-primary:focus-visible {
  background-color: #a42a3c;
  border-color: #a42a3c;
  color: #fff;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body.trekk-shell {
  margin: 0;
  background: var(--trekk-bg);
  color: var(--trekk-text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  overflow: hidden;
}

.trekk-header {
  height: var(--header-h);
  background: linear-gradient(135deg, var(--trekk-maroon), var(--trekk-maroon-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .trekk-header {
  background: var(--sidebar-bg);
  border-bottom-color: var(--trekk-border);
}

.trekk-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.trekk-mobile-menu-btn {
  display: none;
}

.trekk-logo {
  height: 34px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.trekk-title {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.1;
}

.trekk-subtitle {
  margin: 2px 0 0;
  opacity: 0.85;
  font-size: 0.82rem;
}

.trekk-header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.trekk-header-actions {
  display: flex;
  gap: 6px;
}

.trekk-welcome {
  font-size: 0.86rem;
}

.trekk-body-wrapper {
  display: flex;
  height: calc(100vh - var(--header-h) - var(--footer-h));
  transition: margin-left 0.2s ease;
}

.trekk-sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  transition: width 0.25s ease, transform 0.25s ease;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.trekk-sidebar-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  padding-top: 10px;
}

.trekk-sidebar-toggle {
  margin: 0 10px 12px auto;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 8px;
  color: var(--sidebar-text);
  background: rgba(255, 255, 255, 0.14);
}

.trekk-sidebar-toggle i {
  transition: transform 0.2s ease;
}

.trekk-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 16px;
}

.trekk-sidebar-section {
  padding: 0 10px;
}

.trekk-sidebar-section-title {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sidebar-muted);
  font-weight: 700;
  margin: 0 6px 6px;
}

.trekk-sidebar-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.trekk-sidebar-link {
  color: var(--sidebar-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 10px;
  padding: 9px 10px;
}

.trekk-sidebar-link:hover {
  color: #fff;
  background: var(--sidebar-hover);
}

.trekk-sidebar-link.active {
  color: #fff;
  background: var(--sidebar-active);
}

.trekk-sidebar-link i {
  width: 18px;
  text-align: center;
}

body.sidebar-collapsed .trekk-sidebar {
  width: var(--sidebar-collapsed-w);
}

body.sidebar-collapsed .trekk-sidebar-section-title,
body.sidebar-collapsed .trekk-sidebar-text {
  display: none;
}

body.sidebar-collapsed .trekk-sidebar-link {
  justify-content: center;
}

body.sidebar-collapsed .trekk-sidebar-toggle i {
  transform: rotate(180deg);
}

.trekk-main {
  flex: 1;
  overflow: auto;
}

.trekk-content {
  padding: 14px;
}

.trekk-messages .alert {
  margin-bottom: 10px;
}

[data-theme="dark"] .text-muted,
[data-theme="dark"] .text-body-secondary {
  color: #b7c0cd !important;
}

[data-theme="dark"] .app-search .form-control::placeholder,
[data-theme="dark"] .form-control::placeholder {
  color: #99a4b5;
}

[data-theme="dark"] .trekk-messages .alert {
  border-color: rgba(255, 255, 255, 0.16);
}

[data-theme="dark"] .trekk-messages .alert-success {
  background-color: rgba(25, 135, 84, 0.24);
  color: #d6f4e4;
}

[data-theme="dark"] .trekk-messages .alert-info {
  background-color: rgba(13, 110, 253, 0.22);
  color: #dce8ff;
}

[data-theme="dark"] .trekk-messages .alert-warning {
  background-color: rgba(255, 193, 7, 0.22);
  color: #fff2c2;
}

[data-theme="dark"] .trekk-messages .alert-danger {
  background-color: rgba(220, 53, 69, 0.24);
  color: #ffd8dc;
}

[data-theme="dark"] .trekk-messages .btn-close {
  filter: invert(1) grayscale(100%);
  opacity: 0.85;
}

.trekk-card {
  border: 1px solid var(--trekk-border);
  background: var(--trekk-card-bg);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.trekk-footer {
  height: var(--footer-h);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f3f5;
  border-top: 1px solid var(--trekk-border);
  color: var(--trekk-grey-dark);
}

[data-theme="dark"] .trekk-footer {
  background: var(--sidebar-bg);
  color: var(--sidebar-muted);
}

.trekk-footer-brand {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.trekk-footer-copy {
  font-size: 0.72rem;
}

.table thead th {
  background: rgba(138, 36, 50, 0.09);
  color: var(--trekk-grey-dark);
  border-bottom-width: 1px;
  white-space: nowrap;
}

[data-theme="dark"] .table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--trekk-text);
  --bs-table-border-color: var(--trekk-border);
}

[data-theme="dark"] .table thead th {
  background: rgba(176, 30, 60, 0.18);
  color: var(--trekk-text);
}

.nav-pills .nav-link {
  color: var(--trekk-maroon);
  border-radius: 999px;
}

.nav-pills .nav-link.active {
  background: var(--trekk-maroon);
}

[data-theme="dark"] .nav-pills .nav-link {
  color: var(--trekk-text);
}

[data-theme="dark"] .nav-pills .nav-link.active {
  background: var(--trekk-maroon);
  color: #fff;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background: #1c2129;
  border-color: var(--trekk-border);
  color: var(--trekk-text);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  background: #1c2129;
  color: var(--trekk-text);
}

[data-theme="dark"] .badge.text-bg-light {
  background: rgba(255, 255, 255, 0.16) !important;
  color: var(--trekk-text) !important;
}

/* ── App Tile Grid ───────────────────────────────────────────── */

.app-search {
  max-width: 320px;
}

.app-search .form-control {
  border-radius: 999px;
  padding-left: 1rem;
}

.app-group-heading {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--trekk-maroon);
  margin: 1.25rem 0 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--trekk-maroon);
}

[data-theme="dark"] .app-group-heading {
  color: #e7ebf1;
  border-bottom-color: rgba(176, 30, 60, 0.5);
}

.app-tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 300px));
  gap: 1rem;
}

.app-tile-shell {
  position: relative;
}

.app-tile {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--trekk-border);
  border-radius: 10px;
  background: var(--trekk-card-bg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s ease, transform 0.15s ease, border-color 0.2s ease;
}

.app-tile-shell .app-tile {
  height: 100%;
}

.app-tile:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
  border-color: var(--trekk-maroon);
  color: inherit;
  text-decoration: none;
}

[data-theme="dark"] .app-tile:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.32);
}

.app-tile-thumb {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
  object-position: center;
  background: var(--trekk-grey-light);
}

.app-tile-thumb-contain {
  object-fit: contain;
}

.app-tile-placeholder {
  width: 100%;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--trekk-grey-light);
  color: var(--trekk-grey-dark);
  font-size: 2.5rem;
}

[data-theme="dark"] .app-tile-placeholder {
  background: #1c2129;
  color: var(--sidebar-muted);
}

.app-tile-body {
  padding: 0.85rem 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.app-search-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.4rem;
}

.app-search-tag {
  font-size: 0.68rem;
  border-radius: 999px;
  background: rgba(89, 89, 89, 0.1);
  color: var(--trekk-grey-dark);
  padding: 0.18rem 0.55rem;
}

.app-tile-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
}

.app-tile-desc {
  font-size: 0.82rem;
  color: var(--trekk-grey-dark);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.app-tile-footer {
  padding: 0 3.2rem 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-tile-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(138, 36, 50, 0.1);
  color: var(--trekk-maroon);
  border-radius: 999px;
  padding: 0.2em 0.65em;
}

[data-theme="dark"] .app-tile-badge {
  background: rgba(176, 30, 60, 0.2);
  color: #e7ebf1;
}

.app-tile-newtab {
  font-size: 0.72rem;
  color: var(--trekk-grey-dark);
}

.app-favorite-btn {
  position: absolute;
  right: 0.75rem;
  bottom: 0.6rem;
  z-index: 2;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
  border: 1px solid rgba(89, 89, 89, 0.25);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: rgba(89, 89, 89, 0.82);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
  appearance: none;
  -webkit-appearance: none;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.app-favorite-btn:hover,
.app-favorite-btn:focus-visible {
  transform: scale(1.06);
  color: var(--trekk-maroon);
}

.app-favorite-btn.is-favorite {
  background: #fff3c4;
  color: #b67b00;
  border-color: rgba(182, 123, 0, 0.45);
}

.app-favorite-btn:disabled {
  opacity: 0.7;
}

[data-theme='dark'] .app-search-tag {
  background: rgba(255, 255, 255, 0.08);
  color: var(--trekk-text);
}

[data-theme='dark'] .app-favorite-btn {
  border-color: rgba(231, 235, 241, 0.2);
  background: rgba(26, 31, 38, 0.8);
  color: rgba(231, 235, 241, 0.8);
}

[data-theme='dark'] .app-favorite-btn.is-favorite {
  background: rgba(182, 123, 0, 0.24);
  color: #ffd266;
}

.account-page {
  display: grid;
  gap: 1rem;
}

.account-row {
  display: grid;
  gap: 1rem;
}

.account-row-main {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.account-row-main-single {
  grid-template-columns: minmax(0, 1fr);
}

.account-panel,
.account-overview {
  padding: 1rem 1.15rem;
}

.account-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.account-overview-stats {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.account-stat {
  border: 1px solid var(--trekk-border);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  background: linear-gradient(180deg, rgba(138, 36, 50, 0.03), rgba(138, 36, 50, 0));
}

.account-stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--trekk-grey-dark);
  margin-bottom: 0.3rem;
}

.account-stat-value {
  font-size: 1.03rem;
  font-weight: 600;
  line-height: 1.35;
  word-break: break-word;
}

.account-overview-groups {
  margin-top: 0.9rem;
  border: 1px solid var(--trekk-border);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
  background: rgba(89, 89, 89, 0.05);
}

.account-overview-groups-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.account-group-count {
  font-size: 0.8rem;
  color: var(--trekk-grey-dark);
}

.account-chip-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.account-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--trekk-border);
  padding: 0.25rem 0.62rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.8);
}

.account-form-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.account-actions {
  display: flex;
  justify-content: flex-start;
}

.account-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: rgba(138, 36, 50, 0.1);
  color: var(--trekk-maroon);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.7rem;
  text-transform: uppercase;
}

.account-toggle-row {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.65rem;
  border-radius: 10px;
  border: 1px solid var(--trekk-border);
  background: rgba(89, 89, 89, 0.05);
}

.account-toggle-row .form-check-input {
  margin-top: 0;
}

.account-toggle-row .form-check-label {
  margin-bottom: 0;
  font-weight: 600;
}

.account-admin-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.account-group-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.account-group-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--trekk-border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  background: rgba(138, 36, 50, 0.03);
}

.account-group-name {
  font-size: 1.05rem;
  font-weight: 600;
}

.account-group-meta {
  color: var(--trekk-grey-dark);
  font-size: 0.86rem;
}

[data-theme='dark'] .account-pill {
  background: rgba(176, 30, 60, 0.2);
  color: #f5dbe0;
}

[data-theme='dark'] .account-stat {
  background: linear-gradient(180deg, rgba(176, 30, 60, 0.12), rgba(176, 30, 60, 0));
}

[data-theme='dark'] .account-overview-groups,
[data-theme='dark'] .account-toggle-row {
  background: rgba(255, 255, 255, 0.03);
}

[data-theme='dark'] .account-chip {
  background: rgba(16, 19, 24, 0.85);
  color: var(--trekk-text);
}

[data-theme='dark'] .account-group-item {
  background: rgba(255, 255, 255, 0.03);
}

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 991.98px) {
  .trekk-mobile-menu-btn {
    display: inline-flex;
  }

  .trekk-sidebar {
    position: fixed;
    left: 0;
    top: var(--header-h);
    bottom: var(--footer-h);
    z-index: 1040;
    transform: translateX(-100%);
  }

  .trekk-sidebar.mobile-open {
    transform: translateX(0);
  }

  .trekk-body-wrapper {
    height: calc(100vh - var(--header-h) - var(--footer-h));
  }

  .account-row-main {
    grid-template-columns: minmax(0, 1fr);
  }

  .account-overview-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .app-tile-grid {
    grid-template-columns: 1fr;
  }

  .app-search {
    max-width: 100%;
  }

  .account-group-item {
    align-items: flex-start;
    flex-direction: column;
  }

  .account-overview-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .account-section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}