/* main admin wrapper */
    .admin-container {
      display: flex;
      width: 100%;
      min-height: 100vh;
      background: var(--bs-body-bg);
      padding: 20px;
      gap: 0;
      position: relative;
    }

    /* CONTENT AREA - rounded corners */
    .content-area {
      background: var(--bs-body-bg);
      border-radius: 28px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
      /*overflow-y:visible;*/
      transition: all 0.1s ease;
      position: relative;
      border: 1px solid var(--bs-border-color);
    }

    .content-area::-webkit-scrollbar {
      width: 6px;
    }
    .content-area::-webkit-scrollbar-track {
      background: var(--bs-gray-300);
      border-radius: 10px;
    }
    .content-area::-webkit-scrollbar-thumb {
      background: var(--bs-secondary);
      border-radius: 10px;
    }

    /* PALETTE AREA - same background as outer space (Bootstrap body-bg) */
    .palette-area {
      background: var(--bs-body-bg);
      border-radius: 24px;
      display: flex;
      flex-direction: column;
      overflow-y: auto;
      transition: width 0.2s ease-out;
      position: relative;
      border: 1px solid var(--bs-border-color);
    }

    .palette-area::-webkit-scrollbar {
      width: 6px;
    }
    .palette-area::-webkit-scrollbar-track {
      background: var(--bs-gray-300);
      border-radius: 10px;
    }
    .palette-area::-webkit-scrollbar-thumb {
      background: var(--bs-secondary);
      border-radius: 10px;
    }

    /* widget/dashlet styling */
    .dashlet {
      background: var(--bs-card-bg);
      border-radius: 20px;
      padding: 1rem 1.2rem;
      margin-bottom: 1.2rem;
      border: 1px solid var(--bs-border-color);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
      transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    }
    .dashlet:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
      border-color: var(--bs-primary);
    }
    .dashlet-header {
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 1px solid var(--bs-border-color);
      padding-bottom: 0.6rem;
      margin-bottom: 0.8rem;
    }
    .dashlet-header i {
      font-size: 1.4rem;
      color: var(--bs-primary);
    }
    .dashlet-title {
      font-weight: 600;
      font-size: 1rem;
      color: var(--bs-body-color);
    }
    .dashlet-content {
      font-size: 0.85rem;
      color: var(--bs-body-color);
      line-height: 1.4;
    }
    .metric-value {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--bs-body-color);
      display: inline-block;
      margin-right: 8px;
    }
    .trend-up {
      color: var(--bs-success);
      font-size: 0.8rem;
    }
    .badge-soft {
      background: var(--bs-secondary-bg);
      color: var(--bs-body-color);
      border-radius: 30px;
      padding: 4px 10px;
      font-size: 0.7rem;
    }

    /* SPLITTER - draggable with icon */
    .splitter {
      width: 12px;
      background: transparent;
      cursor: col-resize;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      z-index: 10;
      transition: background 0.2s;
      margin: 0 2px;
    }
    .splitter:hover {
      background: var(--bs-gray-400);
      border-radius: 20px;
    }
    .splitter-icon {
      background: var(--bs-secondary-bg);
      width: 28px;
      height: 48px;
      border-radius: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--bs-secondary);
      font-size: 1rem;
      transition: all 0.2s;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
      pointer-events: none;
      border: 1px solid var(--bs-border-color);
    }
    .splitter:hover .splitter-icon {
      background: var(--bs-primary);
      color: white;
      width: 32px;
    }
    .splitter-icon i {
      font-size: 1.2rem;
    }

    /* dashboard content styling */
    .dashboard-welcome {
      padding: 1.8rem 2rem;
    }
    .stat-card {
      background: var(--bs-tertiary-bg);
      border-radius: 20px;
      padding: 1.2rem;
      border-left: 4px solid var(--bs-primary);
      transition: transform 0.2s;
    }
    .stat-card:hover {
      transform: translateY(-2px);
    }
    h1, h2, h3 {
      color: var(--bs-body-color);
      font-weight: 600;
    }

    /* responsive */
    @media (max-width: 768px) {
      .admin-container {
        padding: 12px;
      }
      .splitter-icon {
        width: 20px;
        height: 40px;
      }
    }

    body.dragging {
      user-select: none;
      cursor: col-resize;
    }

    .progress {
      background-color: var(--bs-gray-300);
    }