:root {
  --admin-sidebar-width: 280px;
  --admin-bg: #f4f7fb;
  --admin-card: #ffffff;
  --admin-border: #e6ecf3;
  --admin-text: #1f2a37;
  --admin-muted: #6b7280;
  --admin-primary: #133b5c;
  --admin-primary-soft: #eaf2f9;
}

body {
  margin: 0;
  background: var(--admin-bg);
  color: var(--admin-text);
  font-family: "Oswald", Roboto, Arial, sans-serif;
}

.admin-sidebar {
  --bs-offcanvas-width: var(--admin-sidebar-width);
  width: var(--admin-sidebar-width);
  background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
  border-right: 1px solid var(--admin-border);
}

.admin-sidebar-inner {
  height: 100%;
  overflow-y: auto;
  padding-bottom: 24px;
}

.admin-logo {
  max-width: 170px;
}

.sidebar-section-title {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8a94a6;
  font-weight: 700;
  margin: 10px 0 8px;
  padding: 0 20px;
}

.admin-nav .nav-item {
  margin-bottom: 6px;
}

.admin-nav .nav-link {
  color: #2a3a4d;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 12px;
  transition: all 0.2s ease;
}

.admin-nav .nav-link:hover,
.admin-nav .nav-link:focus {
  background: var(--admin-primary-soft);
  color: var(--admin-primary);
  text-decoration: none;
}

.admin-nav .nav-link.is-active,
.admin-nav .nav-link.is-active:hover,
.admin-nav .nav-link.is-active:focus {
  background: var(--admin-primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(19, 59, 92, 0.18);
}

.admin-nav .nav-link.collapsed .sidebar-caret {
  transform: rotate(0deg);
}

.admin-nav .nav-link:not(.collapsed) .sidebar-caret {
  transform: rotate(180deg);
}

.sidebar-caret {
  font-size: 11px;
  transition: transform 0.2s ease;
}

.admin-submenu {
  margin: 6px 0 4px;
  padding-left: 12px;
  border-left: 2px solid #e5edf7;
}

.admin-submenu li {
  margin: 3px 0;
}

.admin-submenu .nav-sub-link {
  display: block;
  padding: 7px 10px;
  border-radius: 8px;
  color: #5d6b7d;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
}

.admin-submenu .nav-sub-link:hover {
  color: var(--admin-primary);
  background: #eef4fb;
}

.admin-submenu .nav-sub-link.is-active,
.admin-submenu .nav-sub-link.is-active:hover {
  color: var(--admin-primary);
  background: var(--admin-primary-soft);
  font-weight: 700;
}

.admin-break-word {
  word-break: break-word;
  overflow-wrap: anywhere;
}

.admin-stack-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.main-wrapper {
  min-height: 100vh;
  margin-left: var(--admin-sidebar-width);
  display: flex;
  flex-direction: column;
  width: calc(100% - var(--admin-sidebar-width));
  padding-top: 60px;
}

.top-header {
  background: var(--admin-primary);
  color: #fff;
  padding: 10px 18px;
  position: fixed;
  top: 0;
  left: var(--admin-sidebar-width);
  right: 0;
  z-index: 1020;
  box-shadow: 0 2px 10px rgba(15, 30, 50, 0.18);
}

.top-header .navbar-brand {
  color: #fff;
  font-size: 15px;
}

.content-area {
  flex: 1;
  padding: 14px 16px 20px;
  overflow-y: auto;
}

.dashboard-card {
  margin: 0 auto;
  background: var(--admin-card);
  border-radius: 12px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s;
}

.footer {
  background: #fff;
  border-top: 1px solid var(--admin-border);
  font-size: 0.9rem;
  color: #555;
}

.border-btn {
    color: #133B5C;
    border: 1px solid #133B5C;
    background: #ffffff;
}

.border-btn:hover {
    color: #ffffff !important;
    border: 1px solid #133B5C !important;
    background: #133B5C !important;
}

/* Desktop: keep sidebar always visible, even if Bootstrap offcanvas breakpoint classes are unavailable */
@media (min-width: 992px) {
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    transform: none !important;
    visibility: visible !important;
    z-index: 1030;
  }
}

@media (max-width: 991.98px) {
  .main-wrapper {
    margin-left: 0;
    width: 100%;
    padding-top: 56px;
  }

  .admin-sidebar {
    border-right: none;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.22);
  }

  .top-header {
    left: 0;
    right: 0;
  }

  .content-area {
    padding: 16px;
  }

  .admin-table-scroll {
    overflow: visible;
  }

  .admin-stack-table {
    min-width: 0 !important;
    border: 0;
  }

  .admin-stack-table thead {
    display: none;
  }

  .admin-stack-table tbody {
    display: block;
  }

  .admin-stack-table tbody tr {
    display: block;
    margin: 12px;
    border: 1px solid var(--admin-border);
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  }

  .admin-stack-table tbody td {
    display: grid;
    grid-template-columns: minmax(88px, 112px) minmax(0, 1fr);
    align-items: start;
    gap: 12px;
    width: 100%;
    padding: 12px 14px;
    border: 0;
    border-bottom: 1px solid var(--admin-border);
    white-space: normal;
  }

  .admin-stack-table tbody td:last-child {
    border-bottom: 0;
  }

  .admin-stack-table tbody td::before {
    content: attr(data-label);
    color: #8a94a6;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .admin-stack-table tbody td[colspan] {
    display: block;
    text-align: center;
  }

  .admin-stack-table tbody td[colspan]::before {
    display: none;
  }

  .admin-stack-table .admin-stack-actions {
    justify-content: flex-start;
  }

  .admin-stack-table .admin-stack-actions .btn,
  .admin-stack-table .admin-stack-actions form {
    max-width: 100%;
  }
}