:root {
  --lacelium-primary: #3b82f6;
  --lacelium-primary-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --lacelium-primary-hover: #1d4ed8;
  --lacelium-secondary: #64748b;
  --lacelium-bg-soft: rgba(255, 255, 255, 0.72);
  --lacelium-border-glass: rgba(226, 232, 240, 0.5);
  --lacelium-radius: 0.85rem;
  --lacelium-shadow-premium: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --lacelium-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --lacelium-font-weight: 600;
  --lacelium-app-bg: #f8fafc;
}

#maintenance-app {
  background: var(--lacelium-app-bg);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

/* Stunning Decorative Mesh Background */
#maintenance-app::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -5%;
  width: 45%;
  height: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 0;
  pointer-events: none;
}

#maintenance-app::after {
  content: "";
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 40%;
  height: 45%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.04) 0%, transparent 70%);
  filter: blur(50px);
  z-index: 0;
  pointer-events: none;
}

.maintenance-shell {
  position: relative;
  z-index: 1;
}

/* Refined Glassmorphism with Border Highlight */
.argus-glass {
  background: var(--lacelium-bg-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--lacelium-border-glass);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.06);
  position: relative;
  padding: 2rem 2rem;
}

.argus-glass::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, transparent 50%, rgba(255,255,255,0.1) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Premium Buttons with Spring Animations */
.btn-lacelium {
  border-radius: var(--lacelium-radius) !important;
  font-weight: 700 !important;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 0.7rem 1.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  outline: none;
  font-size: 0.95rem;
}

.btn-lacelium:active {
  transform: scale(0.94);
}

.btn-lacelium.btn-primary {
  background: var(--lacelium-primary-gradient);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.35);
}

.btn-lacelium.btn-primary:hover {
  background: var(--lacelium-primary-hover);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
  transform: translateY(-3px) scale(1.02);
}

.btn-lacelium.btn-secondary {
  background: #fff;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.btn-lacelium.btn-secondary:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

/* Status Badge Pulse Refinement */
.ws-status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-weight: 800;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  gap: 0.6rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.03);
}

.ws-status-connected {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #dcfce7;
}

.ws-status-connected::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 rgba(34, 197, 94, 0.4);
  animation: lacelium-pulse 2s infinite;
}

@keyframes lacelium-pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* Maintenance Card Hover */
.maintenance-list-card {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
}

.maintenance-list-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lacelium-shadow-xl) !important;
}

/* Toolbar Layout */
.maintenance-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 992px) {
  .maintenance-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.maintenance-title-group h1 {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 0;
  background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.maintenance-subtitle {
  color: #64748b;
  font-size: 1rem;
  margin-top: 0.4rem;
  max-width: 450px;
  line-height: 1.5;
}

.maintenance-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.maintenance-control {
  height: 3rem;
  padding: 0 1.25rem;
  border-radius: var(--lacelium-radius);
  border: 1px solid #e2e8f0;
  font-weight: 600;
  font-size: 0.95rem;
  background-color: white;
  color: #1e293b;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.maintenance-control:hover {
  border-color: #cbd5e1;
}

.maintenance-control:focus {
  outline: none;
  border-color: var(--lacelium-primary);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* Unified modern controls used by dynamic maintenance.js buttons. */
.lacelium-modern .maintenance-action-btn,
#maintenance-app .maintenance-btn,
#maintenance-app .btn-lacelium {
  border-radius: 0.75rem;
  border-width: 1px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

#maintenance-app .maintenance-btn,
#maintenance-app .btn-lacelium {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

#maintenance-app .maintenance-btn:hover,
#maintenance-app .btn-lacelium:hover {
  transform: translateY(-1px);
}

#maintenance-app .maintenance-btn:active,
#maintenance-app .btn-lacelium:active {
  transform: translateY(0);
}

#maintenance-app .maintenance-btn-ghost,
#maintenance-app .btn-outline-secondary {
  background: #ffffff;
  border-color: #d7e1ee;
  color: #334155;
}

#maintenance-app .maintenance-btn-ghost:hover,
#maintenance-app .btn-outline-secondary:hover {
  background: #f8fbff;
  border-color: #bed0e5;
  color: #0f172a;
}

#maintenance-app .maintenance-btn-primary,
#maintenance-app .btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  border-color: #1d4ed8;
  color: #fff;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.2);
}

#maintenance-app .maintenance-btn-primary:hover,
#maintenance-app .btn-primary:hover {
  filter: brightness(1.02);
  box-shadow: 0 12px 22px rgba(37, 99, 235, 0.28);
}

#maintenance-app .maintenance-btn-danger,
#maintenance-app .btn-outline-danger,
#maintenance-app .btn-danger {
  border-color: #ef4444;
  color: #b91c1c;
  background: #fff5f5;
}

#maintenance-app .maintenance-btn-danger:hover,
#maintenance-app .btn-outline-danger:hover,
#maintenance-app .btn-danger:hover {
  background: #ffe4e6;
  color: #881337;
}

#maintenance-app .maintenance-btn[disabled],
#maintenance-app .btn[disabled],
#maintenance-app .btn-lacelium[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#maintenance-app .maintenance-btn.is-loading,
#maintenance-app .btn.is-loading,
#maintenance-app .btn-lacelium.is-loading {
  position: relative;
  pointer-events: none;
}

#maintenance-app .maintenance-btn.is-loading::after,
#maintenance-app .btn.is-loading::after,
#maintenance-app .btn-lacelium.is-loading::after {
  content: '';
  width: 0.8rem;
  height: 0.8rem;
  margin-left: 0.4rem;
  border-radius: 999px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: lacelium-spin 0.7s linear infinite;
}

@keyframes lacelium-spin {
  to { transform: rotate(360deg); }
}

#maintenance-app .maintenance-list-card {
  background: rgba(255, 255, 255, 0.9);
}

#maintenance-app .maintenance-title {
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  line-height: 1.1;
}

#maintenance-app .maintenance-actions .maintenance-control {
  min-width: 12rem;
}

/* Datatable polish layer */
#maintenance-app .maintenance-table-wrap {
  border: 1px solid #e2e8f0;
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 24px -16px rgba(15, 23, 42, 0.35);
  overflow: auto;
}

#maintenance-app .maintenance-datatable {
  margin: 0;
  border-collapse: separate;
  border-spacing: 0;
}

#maintenance-app .maintenance-datatable thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: linear-gradient(180deg, #f8fbff 0%, #f1f6fd 100%);
  color: #1e293b;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-bottom: 1px solid #d9e4f2;
  padding: 0.72rem 0.8rem;
  white-space: nowrap;
}

#maintenance-app .maintenance-datatable thead tr:nth-child(2) th {
  background: #f8fafc;
  top: 42px;
}

#maintenance-app .maintenance-datatable tbody td {
  vertical-align: middle;
  padding: 0.64rem 0.8rem;
  border-color: #edf2f8;
}

#maintenance-app .maintenance-datatable tbody tr:nth-of-type(odd) {
  background-color: rgba(248, 251, 255, 0.66);
}

#maintenance-app .maintenance-datatable tbody tr:hover {
  background-color: #eaf2ff;
}

#maintenance-app .maintenance-datatable .form-control,
#maintenance-app .maintenance-datatable .form-select {
  border-radius: 0.65rem;
  border-color: #d4deeb;
  min-height: 2.1rem;
  font-size: 0.83rem;
  background: #fff;
}

#maintenance-app .maintenance-datatable .form-control:focus,
#maintenance-app .maintenance-datatable .form-select:focus {
  border-color: #7aa2e3;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
}

#maintenance-app .maintenance-datatable .form-check-input {
  width: 1.05rem;
  height: 1.05rem;
  border-color: #b8c8de;
  cursor: pointer;
}

#maintenance-app .maintenance-datatable .form-check-input:checked {
  background-color: #2563eb;
  border-color: #2563eb;
}

#maintenance-app .maintenance-datatable .dropdown-menu {
  border: 1px solid #d9e3f0;
  border-radius: 0.75rem;
  box-shadow: 0 12px 30px -18px rgba(15, 23, 42, 0.48);
  padding: 0.4rem;
}

#maintenance-app .maintenance-datatable .dropdown-item {
  border-radius: 0.52rem;
  font-weight: 600;
  font-size: 0.84rem;
  padding: 0.4rem 0.6rem;
}

#maintenance-app .maintenance-datatable .dropdown-item:hover,
#maintenance-app .maintenance-datatable .dropdown-item:focus {
  background: #edf4ff;
}

#maintenance-app .maintenance-empty-state {
  padding: 1.5rem 1rem !important;
  font-size: 0.92rem;
}

/* Layout mode presentation */
#maintenance-list.maintenance-layout-accordion .accordion {
  --bs-accordion-border-color: #dbe6f3;
  --bs-accordion-btn-bg: #f8fbff;
  --bs-accordion-active-bg: #eef4ff;
  --bs-accordion-active-color: #0f172a;
  --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  border-radius: 0.9rem;
  overflow: hidden;
}

#maintenance-list.maintenance-layout-accordion .accordion-item {
  border-left: 0;
  border-right: 0;
}

#maintenance-list.maintenance-layout-accordion .accordion-button {
  font-weight: 700;
  letter-spacing: 0.01em;
}

#maintenance-list.maintenance-layout-tabs .nav-tabs {
  border-bottom: 1px solid #d7e3f2;
  gap: 0.35rem;
  margin-bottom: 0;
}

#maintenance-list.maintenance-layout-tabs .nav-tabs .nav-link {
  border: 1px solid transparent;
  border-radius: 0.75rem 0.75rem 0 0;
  color: #334155;
  font-weight: 650;
  padding: 0.55rem 0.9rem;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

#maintenance-list.maintenance-layout-tabs .nav-tabs .nav-link:hover {
  background: #f3f8ff;
  border-color: #d8e4f3;
}

#maintenance-list.maintenance-layout-tabs .nav-tabs .nav-link.active {
  color: #0f172a;
  background: #fff;
  border-color: #d7e3f2 #d7e3f2 #fff;
}

#maintenance-list.maintenance-layout-tabs .tab-content {
  border: 1px solid #d7e3f2 !important;
  border-top: 0 !important;
  border-radius: 0 0 0.95rem 0.95rem !important;
  background: #fff;
  padding: 1rem !important;
}

#maintenance-list.maintenance-layout-left-tabs .maintenance-left-tabs-nav {
  border: 1px solid #d9e4f2;
  border-radius: 0.9rem;
  padding: 0.35rem;
  background: #fff;
  gap: 0.2rem;
}

#maintenance-list.maintenance-layout-left-tabs .maintenance-left-tabs-nav .list-group-item {
  border: 0;
  border-radius: 0.65rem;
  font-weight: 600;
  color: #334155;
  padding: 0.56rem 0.7rem;
}

#maintenance-list.maintenance-layout-left-tabs .maintenance-left-tabs-nav .list-group-item:hover {
  background: #f4f8ff;
}

#maintenance-list.maintenance-layout-left-tabs .maintenance-left-tabs-nav .list-group-item.active {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #fff;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.22);
}

#maintenance-list.maintenance-layout-left-tabs .maintenance-left-tabs-nav .badge {
  background: rgba(15, 23, 42, 0.12) !important;
  color: inherit;
}

#maintenance-list.maintenance-layout-left-tabs .maintenance-left-tabs-nav .list-group-item.active .badge {
  background: rgba(255, 255, 255, 0.2) !important;
  color: #fff;
}

@media (max-width: 991px) {
  #maintenance-app {
    padding: 1.25rem;
  }

  .maintenance-toolbar {
    padding: 1.25rem;
    gap: 1rem;
  }

  .maintenance-actions {
    width: 100%;
  }

  .maintenance-actions .maintenance-control,
  .maintenance-actions .btn-lacelium,
  .maintenance-actions .maintenance-action-btn {
    width: 100%;
  }

  #maintenance-app .maintenance-datatable thead tr:nth-child(2) th {
    top: 40px;
  }

  #maintenance-list.maintenance-layout-tabs .nav-tabs .nav-link,
  #maintenance-list.maintenance-layout-left-tabs .maintenance-left-tabs-nav .list-group-item {
    width: 100%;
  }
}