:root {
  --gn-accent: #0f6ea8;
  --gn-accent-rgb: 15, 110, 168;
  --gn-sidebar: #101b2d;
  --gn-sidebar-soft: rgba(255, 255, 255, .08);
  --gn-surface: #eef3f8;
  --gn-border: rgba(15, 23, 42, .08);
  --gn-shadow: 0 18px 42px rgba(15, 23, 42, .08);
  --gn-radius: .7rem;
}

html[data-gn-theme="platform"] {
  --gn-accent: #0f6ea8;
  --gn-accent-rgb: 15, 110, 168;
  --gn-sidebar: #101b2d;
}

html[data-gn-theme="school"] {
  --gn-accent: #1d4ed8;
  --gn-accent-rgb: 29, 78, 216;
  --gn-sidebar: #0f1d33;
}

html[data-gn-theme="teacher"] {
  --gn-accent: #6d28d9;
  --gn-accent-rgb: 109, 40, 217;
  --gn-sidebar: #1d1530;
}

html[data-gn-theme="parent"] {
  --gn-accent: #0b8b6b;
  --gn-accent-rgb: 11, 139, 107;
  --gn-sidebar: #10231d;
}

html[data-gn-theme="student"] {
  --gn-accent: #0284c7;
  --gn-accent-rgb: 2, 132, 199;
  --gn-sidebar: #102235;
}

html[data-gn-theme="system"] {
  --gn-accent: #334155;
  --gn-accent-rgb: 51, 65, 85;
  --gn-sidebar: #121824;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
  background:
    radial-gradient(circle at top left, rgba(15, 110, 168, .10), transparent 28%),
    radial-gradient(circle at top right, rgba(29, 78, 216, .10), transparent 30%),
    linear-gradient(180deg, #f8fbfe 0%, #eef3f8 100%);
}

body {
  overflow: hidden;
  overflow-x: hidden;
  background: var(--gn-surface);
  color: #111827;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
  letter-spacing: 0;
}

body.gn-preload #app {
  opacity: 0;
}

body.gn-preload {
  visibility: hidden;
}

body.gn-ready {
  visibility: visible;
}

#app {
  min-height: 100vh;
  opacity: 1;
  transition: opacity .35s ease, transform .35s ease, filter .35s ease;
}

body.gn-leaving #app {
  opacity: 0;
  transform: translateY(10px) scale(.996);
  filter: blur(2px);
}

.gn-app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--gn-surface);
}

.gn-sidebar {
  flex: 0 0 296px;
  width: 296px;
  height: 100vh;
  min-width: 296px;
  overflow: hidden;
  flex-direction: column;
  background: linear-gradient(180deg, var(--gn-sidebar), #101615);
  transition: flex-basis .22s ease, width .22s ease, min-width .22s ease;
}

.gn-sidebar-brand {
  height: 82px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.gn-brand-mark,
.gn-icon-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.gn-sidebar-scroll {
  height: calc(100vh - 82px);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}

.gn-sidebar-scroll::-webkit-scrollbar,
.gn-main::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.gn-sidebar-scroll::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 999px;
}

.gn-sidebar:hover .gn-sidebar-scroll {
  scrollbar-color: rgba(255, 255, 255, .32) transparent;
}

.gn-sidebar:hover .gn-sidebar-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, .28);
}

.gn-sidebar-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.gn-nav-group {
  margin-top: 1.25rem;
}

.gn-sidebar .nav-link {
  min-height: 44px;
  color: rgba(255, 255, 255, .78) !important;
  transition: background-color .18s ease, color .18s ease, transform .18s ease;
}

.gn-sidebar .nav-link:hover {
  background: var(--gn-sidebar-soft);
  color: #fff !important;
  transform: translateX(2px);
}

.gn-sidebar .nav-link.active {
  background: #fff !important;
  color: var(--gn-accent) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .16);
}

.gn-nav-icon {
  width: 22px;
  display: inline-flex;
  justify-content: center;
}

.gn-sidebar-collapsed .gn-sidebar {
  flex-basis: 88px;
  width: 88px;
  min-width: 88px;
}

.gn-sidebar-collapsed .gn-nav-label {
  display: none !important;
}

.gn-sidebar-collapsed .gn-sidebar .nav-link {
  justify-content: center;
  padding-inline: .75rem;
}

.gn-main {
  min-width: 0;
  flex: 1 1 auto;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(15, 23, 42, .28) transparent;
}

.gn-main::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, .26);
  border-radius: 999px;
}

.gn-main::-webkit-scrollbar-track {
  background: transparent;
}

.gn-topbar {
  min-height: 78px;
  background: rgba(248, 251, 254, .88);
  backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 var(--gn-border);
}

.gn-top-search {
  width: min(360px, 28vw);
}

.gn-alert-dropdown {
  width: min(420px, calc(100vw - 2rem));
}

.gn-page-content {
  animation: gn-page-in .42s cubic-bezier(.2, .8, .2, 1);
}

@keyframes gn-page-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-primary,
.text-bg-primary,
.bg-primary {
  --bs-primary-rgb: var(--gn-accent-rgb);
  background-color: var(--gn-accent) !important;
  border-color: var(--gn-accent) !important;
}

.text-primary {
  color: var(--gn-accent) !important;
}

.btn-outline-primary {
  --bs-btn-color: var(--gn-accent);
  --bs-btn-border-color: rgba(var(--gn-accent-rgb), .45);
  --bs-btn-hover-bg: var(--gn-accent);
  --bs-btn-hover-border-color: var(--gn-accent);
}

.btn,
.form-control,
.form-select,
.dropdown-menu,
.modal-content,
.ts-control {
  border-radius: var(--gn-radius) !important;
}

.btn,
.nav-link,
.dropdown-item,
.form-control,
.form-select,
.ts-control {
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease;
}

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

.gn-card {
  border: 1px solid var(--gn-border) !important;
  box-shadow: var(--gn-shadow) !important;
  animation: gn-card-in .42s cubic-bezier(.2, .8, .2, 1) both;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.gn-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 50px rgba(15, 23, 42, .12) !important;
  border-color: rgba(var(--gn-accent-rgb), .18) !important;
}

@keyframes gn-card-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gn-card .card-header {
  letter-spacing: 0;
}

.gn-metric .btn.disabled {
  opacity: 1;
}

.gn-chart-surface {
  min-height: 180px;
  border: 1px solid var(--gn-border);
}

.gn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  width: 1.25rem;
  height: 1.25rem;
}

.gn-icon svg,
.gn-icon .bi {
  width: 1.05em;
  height: 1.05em;
  font-size: 1.05em;
  vertical-align: -.12em;
}

.gn-lucide {
  display: none;
}

html.gn-lucide-ready .gn-lucide {
  display: inline-block;
}

html.gn-lucide-ready .gn-bi-fallback {
  display: none;
}

.gn-avatar-initial {
  min-width: 3rem;
  text-align: center;
}

.table {
  --bs-table-bg: transparent;
}

.table thead th {
  letter-spacing: 0;
  text-transform: none;
}

.table tbody tr {
  transition: background-color .16s ease, transform .16s ease;
}

.table tbody tr:hover {
  transform: translateX(2px);
}

.ts-wrapper {
  min-width: 0;
}

.ts-dropdown {
  border-radius: var(--gn-radius);
  box-shadow: var(--gn-shadow);
}

.gn-user-btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  max-width: 220px;
  white-space: nowrap;
}

.gn-user-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.table-responsive {
  scrollbar-width: thin;
  scrollbar-color: rgba(15, 23, 42, .22) transparent;
}

.table-responsive::-webkit-scrollbar {
  height: 8px;
  width: 8px;
}

.table-responsive::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, .22);
  border-radius: 999px;
}

.table-responsive::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 991.98px) {
  body {
    overflow-y: auto;
    overflow-x: hidden;
  }

  .gn-app-shell,
  .gn-main {
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .gn-sidebar-brand {
    height: 74px;
  }

  .gn-sidebar-scroll {
    height: calc(100vh - 74px);
  }
}

@media (max-width: 575.98px) {
  .gn-topbar .container-fluid {
    gap: .5rem;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
  }

  .gn-topbar .container-fluid > button {
    flex: 0 0 auto;
  }

  .gn-topbar .container-fluid > .d-flex {
    position: static;
    transform: none;
    justify-content: flex-end;
    margin-left: auto;
    min-width: 0;
  }

  .gn-topbar h1 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
  }

  .gn-topbar .d-flex.align-items-center.gap-2 {
    gap: .35rem !important;
    min-width: 0;
  }

  .gn-top-search {
    display: none !important;
  }

  .gn-alert-menu,
  .gn-quick-action-btn {
    display: none;
  }

  .gn-user-btn {
    width: auto;
    max-width: 44px;
    padding-inline: 0;
    justify-content: center;
  }

  .gn-user-label {
    display: none;
  }

  .gn-topbar .dropdown-toggle::after {
    margin-left: 0;
  }

  .gn-page-content {
    padding-inline: 1rem !important;
  }
}