html, body { height: 100%; overflow-x: hidden; }
    body { background: var(--app-bg); color: var(--text); overflow-y: auto; }
    .app{ display:flex; min-height:100vh; }
    .content{ flex:1; min-width:0; }
    .sidebar {
      width: 280px;
      height: 100vh;
      background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
      border-right: 1px solid var(--border);
      padding: 18px;
      display: none;
      position: sticky;
      top: 0;
    }
    @media (min-width: 992px) {
      .sidebar { display: flex; flex-direction: column; }
    }
    .brand { display: flex; align-items: center; gap: 10px; padding: 10px 10px 14px; }
    .brand-mark {
      width: 40px; height: 40px; border-radius: 12px;
      display: grid; place-items: center;
      background: color-mix(in srgb, var(--app-bg) 85%, var(--panel));
      border: 1px solid color-mix(in srgb, var(--text) 16%, transparent);
      color: var(--text);
    }
    .nav-section-title {
      font-size: .75rem; color: var(--muted-2);
      text-transform: uppercase; letter-spacing: .08em;
      padding: 14px 10px 8px;
    }
    .nav-link {
      color: color-mix(in srgb, var(--text) 78%, transparent);
      border-radius: 12px;
      padding: 10px 12px;
      display: flex; align-items: center; gap: 10px;
    }
    .nav-link:hover { background: color-mix(in srgb, var(--text) 6%, transparent); color: var(--text); }
    .nav-link.active {
      background: color-mix(in srgb, var(--bs-primary) 16%, transparent);
      border: 1px solid color-mix(in srgb, var(--bs-primary) 22%, transparent);
      color: var(--text);
    }
    .text-muted-3 { color: var(--muted-2) !important; }
    .content-wrap { min-height: calc(100vh - 72px); padding: 16px; max-width: 1600px; margin: 0 auto; }
    @media (min-width: 992px){ .content-wrap { padding: 20px 24px; } }
    .topbar{
      position:sticky; top:0; z-index:1020;
      background: color-mix(in srgb, var(--app-bg) 85%, transparent);
      backdrop-filter: blur(10px);
      border-bottom:1px solid var(--border);
    }
    .topbar-inner{padding:14px 16px;}
    @media (min-width: 992px){ .topbar-inner{padding:14px 24px;} }
    .topbar .header-meta h4{
      font-size: 1.05rem;
      font-weight: 600;
      line-height: 1.2;
    }
    .topbar .header-meta .text-muted{
      font-size: .875rem;
      color: var(--muted-2) !important;
      line-height: 1.2;
    }
    .topbar .btn,
    .topbar .form-select{
      min-height: 38px;
      font-size: .92rem;
    }
    .page-max { max-width: 1600px; margin: 0 auto; }
    .icon-btn { width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); display: inline-flex; align-items: center; justify-content: center; color: color-mix(in srgb, var(--text) 80%, transparent); }
    .notif-dot { position: absolute; top: 7px; right: 7px; width: 8px; height: 8px; border-radius: 50%; background: #0d6efd; display: none; }
    .nowrap { white-space: nowrap; }
    .sidebar { overflow: hidden; }
    .sidebar-scroll {
      flex: 1;
      min-height: 0;
      overflow-y: auto;
      overflow-x: hidden;
      padding-right: 6px;
      margin-right: -6px;
    }
    .offcanvas{
      background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
      color: var(--text);
    }
    .bg-white{ background: var(--card) !important; color: var(--text) !important; }
    .border{ border-color: var(--border) !important; }
    .table-light, .table-light > tr > th, .table-light > tr > td,
    .table > :not(caption) > .table-light > *{
      background-color: color-mix(in srgb, var(--card) 92%, transparent) !important;
      color: var(--muted) !important;
      border-color: var(--border) !important;
    }
      .profile-icon-btn{
      border:0 !important;
      background:transparent !important;
      color: color-mix(in srgb, var(--text, #334155) 90%, transparent) !important;
      padding:.2rem .35rem;
      line-height:1;
    }
    .profile-icon-btn:hover,
    .profile-icon-btn:focus,
    .profile-icon-btn:active{
      border:0 !important;
      background:transparent !important;
      box-shadow:none !important;
      color: color-mix(in srgb, var(--text, #334155) 90%, transparent) !important;
    }
    .profile-icon-btn::after{ display:none !important; }
    .profile-icon-btn i{ font-size:1.25rem; }
    .theme-icon-btn{
      border:0 !important;
      background:transparent !important;
      color: color-mix(in srgb, var(--text, #334155) 90%, transparent) !important;
      padding:.2rem .35rem;
      line-height:1;
    }
    .theme-icon-btn:hover,
    .theme-icon-btn:focus,
    .theme-icon-btn:active{
      border:0 !important;
      background:transparent !important;
      box-shadow:none !important;
      color: color-mix(in srgb, var(--text, #334155) 90%, transparent) !important;
    }
    .theme-icon-btn i{ font-size:1.25rem; }