:root {
  --sb-width: 280px;
  --sb-bg: #0b1220;
  --sb-bg-soft: #101a2d;
  --sb-border: rgba(148, 163, 184, 0.16);
  --sb-text: #e5edf8;
  --sb-muted: #94a3b8;
  --sb-hover: rgba(255, 255, 255, 0.07);
  --sb-active: #0f766e;
  --sb-active-soft: rgba(20, 184, 166, 0.14);
  --sb-focus: rgba(45, 212, 191, 0.36);
}

html,
body {
  overflow-x: hidden;
}

.app-shell-main {
  min-height: 100vh;
  background: var(--app-bg, #f3f5f9);
}

.app-sidebar {
  background:
    radial-gradient(260px 220px at 20% 0%, rgba(20, 184, 166, 0.16), transparent 62%),
    linear-gradient(180deg, var(--sb-bg), var(--sb-bg-soft));
  color: var(--sb-text);
  border-right: 1px solid var(--sb-border);
}

.app-sidebar,
#offcanvasSidebar {
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.42) transparent;
}

.app-sidebar::-webkit-scrollbar,
#offcanvasSidebar::-webkit-scrollbar {
  width: 8px;
}

.app-sidebar::-webkit-scrollbar-thumb,
#offcanvasSidebar::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.34);
}

.app-sidebar .brand-wrap,
#offcanvasSidebar .brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px 20px;
  border-bottom: 1px solid var(--sb-border);
}

#offcanvasSidebar .offcanvas-brand-wrap {
  padding: 0;
  border-bottom: 0;
}

.app-sidebar .brand-mark,
#offcanvasSidebar .brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 14px;
  background: linear-gradient(135deg, #14b8a6, #0f766e);
  color: #ffffff;
  font-weight: 900;
  letter-spacing: -0.05em;
  box-shadow: 0 14px 26px rgba(15, 118, 110, 0.22);
}

.app-sidebar .brand-title,
#offcanvasSidebar .brand-title {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 850;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.app-sidebar .brand-sub,
#offcanvasSidebar .brand-sub {
  margin-top: 4px;
  color: var(--sb-muted);
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.2;
}

.app-sidebar .sidebar-nav,
#offcanvasSidebar .sidebar-nav {
  margin: 0;
  padding: 16px 12px 22px;
}

.app-sidebar .sidebar-nav .nav-item,
#offcanvasSidebar .sidebar-nav .nav-item {
  margin: 0 0 6px;
}

.app-sidebar .sidebar-nav .nav-link,
#offcanvasSidebar .sidebar-nav .nav-link {
  width: 100%;
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid transparent !important;
  border-radius: 14px;
  padding: 10px 12px;
  background: transparent;
  color: rgba(229, 237, 248, 0.88);
  font-size: 0.93rem;
  font-weight: 750;
  line-height: 1.2;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.app-sidebar .sidebar-nav .nav-link > i:first-child,
#offcanvasSidebar .sidebar-nav .nav-link > i:first-child {
  width: 22px;
  min-width: 22px;
  color: rgba(203, 213, 225, 0.9);
  font-size: 1.05rem;
  text-align: center;
}

.app-sidebar .sidebar-nav .nav-link span,
#offcanvasSidebar .sidebar-nav .nav-link span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-sidebar .sidebar-nav .nav-link:hover,
#offcanvasSidebar .sidebar-nav .nav-link:hover {
  background: var(--sb-hover);
  border-color: rgba(148, 163, 184, 0.14) !important;
  color: #ffffff;
  transform: translateX(2px);
}

.app-sidebar .sidebar-nav .nav-link:hover > i:first-child,
#offcanvasSidebar .sidebar-nav .nav-link:hover > i:first-child {
  color: #ffffff;
}

.app-sidebar .sidebar-nav .nav-link.active,
#offcanvasSidebar .sidebar-nav .nav-link.active {
  background: linear-gradient(135deg, var(--sb-active), #129184);
  border-color: rgba(94, 234, 212, 0.24) !important;
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.22);
}

.app-sidebar .sidebar-nav .nav-link.active > i:first-child,
#offcanvasSidebar .sidebar-nav .nav-link.active > i:first-child {
  color: #ffffff;
}

.sidebar-chevron {
  color: rgba(203, 213, 225, 0.72);
  font-size: 0.78rem !important;
  transition: transform 160ms ease, color 160ms ease;
}

.sidebar-nav .nav-link[aria-expanded="true"] .sidebar-chevron {
  transform: rotate(180deg);
  color: #ffffff;
}

.app-sidebar .submenu,
#offcanvasSidebar .submenu {
  position: relative;
  margin: 8px 0 10px 23px;
  padding: 0 0 0 19px;
  border-left: 1px solid rgba(148, 163, 184, 0.24);
}

.app-sidebar .submenu a,
#offcanvasSidebar .submenu a {
  min-height: 36px;
  display: flex;
  align-items: center;
  border-radius: 11px;
  padding: 8px 10px;
  color: rgba(203, 213, 225, 0.86);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.app-sidebar .submenu a:hover,
#offcanvasSidebar .submenu a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  transform: translateX(2px);
}

.app-sidebar .submenu a.active,
#offcanvasSidebar .submenu a.active {
  background: var(--sb-active-soft);
  color: #8ffbf0;
}

.app-sidebar .sidebar-nav .nav-link:focus-visible,
.app-sidebar .submenu a:focus-visible,
#offcanvasSidebar .sidebar-nav .nav-link:focus-visible,
#offcanvasSidebar .submenu a:focus-visible,
.mobile-menu-btn:focus-visible,
.mobile-profile-btn:focus-visible {
  outline: 3px solid var(--sb-focus);
  outline-offset: 2px;
}

.app-main-pane {
  min-width: 0;
}

.app-shell-content {
  min-height: 100vh;
  padding: 0;
}

.app-page-content {
  padding: 18px;
}

.app-desktop-topbar {
  position: sticky;
  top: 0;
  z-index: 1020;
  min-height: 72px;
  align-items: center;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--app-border, #e2e8f0);
  backdrop-filter: blur(10px);
}

.mobile-topbar {
  min-height: 64px;
  padding: 8px 0;
  background:
    radial-gradient(260px 120px at 18% 0%, rgba(20, 184, 166, 0.15), transparent 65%),
    #0b1220;
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.16);
}

.mobile-topbar .container-fluid {
  gap: 10px;
}

.mobile-menu-btn,
.mobile-profile-btn {
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  color: #ffffff;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.mobile-menu-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
}

.mobile-profile-btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  max-width: 142px;
  font-size: 0.88rem;
  font-weight: 750;
}

.mobile-profile-btn span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-menu-btn:hover,
.mobile-profile-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(148, 163, 184, 0.30);
}

.mobile-topbar-brand {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.mobile-topbar-brand span {
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 850;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.mobile-topbar-brand small {
  color: var(--sb-muted);
  font-size: 0.72rem;
  font-weight: 650;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#offcanvasSidebar {
  width: min(86vw, 326px);
  background:
    radial-gradient(260px 180px at 20% 0%, rgba(20, 184, 166, 0.16), transparent 62%),
    linear-gradient(180deg, var(--sb-bg), var(--sb-bg-soft));
  color: var(--sb-text);
  border-right: 1px solid var(--sb-border);
}

#offcanvasSidebar .offcanvas-header {
  min-height: 78px;
  border-bottom: 1px solid var(--sb-border);
}

#offcanvasSidebar .offcanvas-body {
  padding: 0;
}

#offcanvasSidebar .btn-close {
  filter: invert(1) grayscale(100%);
  opacity: 0.8;
}

@media (min-width: 992px) {
  .app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sb-width);
    height: 100vh;
    overflow-y: auto;
    z-index: 1030;
  }

  .app-main-pane {
    width: calc(100% - var(--sb-width));
    margin-left: var(--sb-width);
  }

  .app-page-content {
    padding: 22px;
  }

  .app-messages {
    left: calc(var(--sb-width) + 18px);
    right: 18px;
    width: auto;
  }
}

@media (max-width: 991.98px) {
  .app-shell-content {
    padding: 0 !important;
  }

  .app-shell-topbar {
    position: sticky;
    top: 0;
    z-index: 1025;
  }

  .app-page-content {
    padding: 14px;
  }
}

@media (max-width: 575.98px) {
  .mobile-profile-btn {
    max-width: 116px;
  }

  .mobile-topbar-brand span {
    font-size: 0.94rem;
  }

  .app-page-content {
    padding: 12px;
  }
}