:root {
  --bs-font-sans-serif: Roboto, "Source Sans 3", "Source Sans Pro", system-ui, "Segoe UI", "Helvetica Neue";
  --uo-rightbar-width: 330px;
  --uo-leftbar-width: 265px;
  --uo-leftbar-header-height: calc(var(--uo-leftbar-width) * 3.25 / 5);
  --uo-footer-height: 2.85rem;
}

html, body {
  height: 100%;
  margin: 0;
}

/* ===== Layout Stack =====
   Leftbar (1050)
   Rightbar (1040)
   Backdrop (1030)
   User-menu (1020)
   Main (1000)
*/

.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  min-width: 220px;
  height: 100vh;
  transition: transform .25s ease, opacity .2s ease;
  background-color: var(--bs-tertiary-bg) !important;
  overflow: hidden;
}

#sidebar-left {
  width: var(--uo-leftbar-width);
  display: flex;
  flex-direction: column;
  left: 0;
  z-index: 1050;
  box-shadow: 1px 0 12px rgba(0, 0, 0, 0.25);
  transform: translateX(0);
}

  #sidebar-left.collapsed {
    transform: translateX(-100%);
    opacity: 0.99;
    box-shadow: none;
  }

  #sidebar-left .leftbar-header {
    height: var(--uo-leftbar-header-height);
  }

  #sidebar-left .leftbar-menu {
    flex: 1 1 auto;
    position: relative;
    height: calc(100vh - var(--uo-footer-height) - var(--uo-leftbar-header-height));
  }

  #sidebar-left .leftbar-footer {
    height: var(--uo-footer-height);
  }

#sidebar-right {
  right: 0;
  width: var(--uo-rightbar-width);
  position: fixed;
  z-index: 1040;
  transform: translateX(100%);
}

  #sidebar-right:not(.collapsed) {
    transform: translateX(0);
    box-shadow: -1px 0 12px rgba(0, 0, 0, 0.075);
  }

/* Main area */
.main-area {
  margin-left: var(--uo-leftbar-width);
  min-height: 100vh;
  position: relative;
  z-index: 1000;
  transition: margin .25s ease;
}

  .main-area > .container-fluid {
    padding-left: 0;
    padding-right: 0;
  }

  .main-area footer {
    height: var(--uo-footer-height) !important;
    flex-shrink: 0;
  }

#sidebar-left.collapsed ~ .main-area {
  margin-left: 0;
}

/* User Menu */
#user-menu {
  top: 12px;
  right: 16px;
  z-index: 1020;
}

#user-menu #dropdown-link img {
  width: 2.5rem !important;
  height: 2.5rem !important;
  object-fit: cover;
  border-radius: 50%;
  cursor: pointer;
  transition: transform .15s ease;
}

#user-menu #dropdown-link img:hover { transform: scale(1.08); }

#user-menu .dropdown-toggle::after {
  display: none !important;
}

.dropdown-menu .dropdown-item img {
  width: 22px;
  height: 22px;
  object-fit: cover;
  border-radius: 50%;
  vertical-align: middle;
  margin-left: -6px;
  image-rendering: optimizeQuality;
  transform: translate(3px, -1px);
}

/* bg wraper */
.bg-wrap {
  --uo-bg-wrap-bg-img: url('/$main/admin/img/bg1.jpg');
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}
.bg-wrap::before,
.bg-wrap::after {
  position: absolute;
  inset: 0;
  content: '';
  z-index: -1;
}
  .bg-wrap::before {
    --bg-wrap-bgcolor: color-mix(in srgb, var(--bs-light) 75%, transparent);
    background: var(--bg-wrap-bgcolor) var(--uo-bg-wrap-bg-img) no-repeat center;
    background-size: cover;
    filter: grayscale(.3) opacity(.6);
  }
.bg-wrap::after {
  box-shadow: inset 0 0 1.75rem rgba(0,0,0,.75);
}
.bg-wrap a { border-radius: 50%; }
.bg-wrap img {
  --bg-wrap-img-height: calc(var(--uo-leftbar-header-height) * .6);
  height: var(--bg-wrap-img-height);
  width: var(--bg-wrap-img-height);
  object-fit: cover;
  image-rendering: optimizeQuality;
  filter: opacity(.95);
  margin: .15rem 0;
  border-radius: 50%;
  --bg-wrap-img-bgcolor: color-mix(in srgb, var(--bs-body-color) 17.5%, transparent);
  background: var(--bg-wrap-img-bgcolor);
  transition: transform .15s ease;
}
.bg-wrap img:hover { transform: scale(1.08); }
.bg-wrap .dispname { font-size: 1.25rem; }

/* Backdrop */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(var(--bs-dark-rgb), .5);
  z-index: 1030;
}

[data-bs-theme="dark"]
.sidebar-backdrop {
  background-color: rgba(var(--bs-light-rgb), .15);
}

/* External toggle placement */
#leftbar-toggle-wrapper {
  position: fixed;
  top: 0.75rem;
  z-index: 1020;
  transition: left .25s ease;
  left: var(--uo-leftbar-width); /* default expanded */
}

/* When left sidebar collapsed -> button moves to edge */
#sidebar-left.collapsed + #leftbar-toggle-wrapper {
  left: 0;
}

/* Mobile overlay mode */
@media (max-width: 991.98px) {
  #leftbar-toggle-wrapper {
    left: 0;
  }

  #sidebar-left:not(.collapsed) + #leftbar-toggle-wrapper {
    left: var(--uo-leftbar-width);
    display: none;
  }
}

/* Responsive */
@media (max-width: 991.98px) {
  #sidebar-left.collapsed {
    transform: translateX(-100%);
  }

  #sidebar-left:not(.collapsed) {
    transform: translateX(0);
  }

  #sidebar-right.collapsed {
    transform: translateX(100%);
  }

  #sidebar-right:not(.collapsed) {
    transform: translateX(0);
  }

  .main-area {
    margin: 0;
  }
}

/* Minimal page layout */
.login {
  --uo-login-bg-img1: url('/$main/admin/img/bg1-1.jpg');
  --uo-login-bg-img2: url('/$main/admin/img/bg1-2.jpg');
  --uo-login-bg-img3: url('/$main/admin/img/bg1-3.jpg');
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100vw;
  min-height: 100vh;
  position: relative;
}
.login::before,
.login::after {
  position: absolute;
  inset: 0;
  content: "";
  z-index: -1;
  filter: grayscale(.35);
}
.login::before {
  background: var(--uo-login-bg-img1) no-repeat top left fixed;
  background-size: contain;
}
.login .login-card {
  width: 375px;
  padding: 1.25rem;
  border-radius: 1rem;
  background: var(--bs-tertiary-bg);
  box-shadow: 0 4px 20px rgba(0,0,0,.1);
  margin-left: auto;
  transform: translateX(-50%);
}
@media(max-width: 991.98px) {
  .login { flex-direction: row; }
  .login::before { background: var(--uo-login-bg-img2) no-repeat top left fixed; background-size: contain; }
  .login::after { background: var(--uo-login-bg-img3) no-repeat bottom left fixed; background-size: contain; }
  .login .login-card { margin: 0 auto; transform: translateX(0) !important; }
}

/* Utilities */
.text-decoration-link {
  text-decoration: none !important;
  transition: text-decoration-color .15s ease-in-out;
  cursor: pointer;
}
.text-decoration-link:hover {
  text-decoration: underline !important;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}