:root {
        --primary-color: #4b6cb7;
        --success-color: #28a745;
        --danger-color: #dc3545;
        --warning-color: #ffc107;
        --info-color: #17a2b8;
      }
      body {
        background-color: #f8f9fa;
        padding-bottom: 20px;
        font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
      }
      .card {
        border-radius: 12px;
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
        margin-bottom: 20px;
        overflow: hidden;
        border: none;
      }
      .card-header {
        background: linear-gradient(
          135deg,
          var(--primary-color) 0%,
          #182848 100%
        );
        color: white;
        font-weight: 600;
        padding: 18px 20px;
        border-bottom: none;
      }
      .fund-item {
        border-left: 5px solid transparent;
        transition: all 0.3s;
      }
      .fund-item:hover {
        background-color: #f5f7fa;
      }
      .recommend-sell {
        border-left-color: var(--danger-color);
        background-color: rgba(220, 53, 69, 0.05);
      }
      .recommend-hold {
        border-left-color: var(--success-color);
        background-color: rgba(40, 167, 69, 0.05);
      }
      .recommend-buy {
        border-left-color: var(--info-color);
        background-color: rgba(23, 162, 184, 0.05);
      }
      .profit-positive {
        color: var(--success-color);
        font-weight: 600;
      }
      .profit-negative {
        color: var(--danger-color);
        font-weight: 600;
      }
      .btn-primary {
        background: linear-gradient(
          135deg,
          var(--primary-color) 0%,
          #182848 100%
        );
        border: none;
        border-radius: 25px;
        padding: 10px 25px;
        font-weight: 600;
      }
      .btn-danger {
        border-radius: 20px;
        padding: 8px 20px;
        font-weight: 600;
      }
      .status-indicator {
        display: inline-block;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        margin-right: 8px;
      }
      .status-sell {
        background-color: var(--danger-color);
      }
      .status-hold {
        background-color: var(--success-color);
      }
      .status-buy {
        background-color: var(--info-color);
      }
      .loading {
        text-align: center;
        padding: 30px;
        color: #6c757d;
      }
      .summary-card {
        background: linear-gradient(to right, #f5f7fa 0%, #e4edf5 100%);
      }
      .footer-instructions {
        background-color: #e9ecef;
        border-radius: 10px;
        padding: 20px;
        margin-top: 20px;
      }
      .footer-instructions ul {
        padding-left: 1.5rem;
      }
      .footer-instructions li {
        margin-bottom: 0.5rem;
      }
      .input-group-custom {
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      }
      .form-control-custom {
        border: none;
        border-radius: 0;
        padding: 12px 15px;
      }
      .badge-custom {
        border-radius: 15px;
        padding: 6px 12px;
        font-size: 0.8rem;
      }
      .section-title {
        border-left: 4px solid var(--primary-color);
        padding-left: 12px;
        margin-bottom: 20px;
        font-weight: 600;
        color: #495057;
      }
      .tab-content {
        padding: 20px 0;
      }
      .nav-tabs .nav-link {
        border: none;
        border-radius: 8px 8px 0 0;
        padding: 12px 20px;
        font-weight: 600;
        color: #6c757d;
      }
      .nav-tabs .nav-link.active {
        background-color: white;
        color: var(--primary-color);
        border-bottom: 3px solid var(--primary-color);
      }
      .fund-input-row {
        margin-bottom: 15px;
        padding: 15px;
        border-radius: 8px;
        background-color: #f8f9fa;
        transition: all 0.3s;
      }
      .fund-input-row:nth-child(even) {
        background-color: #ffffff;
      }
      .fund-input-row:last-child {
        border-bottom: none;
      }
      .fund-input-row:hover {
        background-color: #e9ecef;
      }
      .profit-display {
        font-size: 1.2rem;
        font-weight: 700;
        padding: 8px 15px;
        border-radius: 8px;
        display: inline-block;
      }
      .profit-positive-bg {
        background-color: rgba(220, 53, 69, 0.1);
      }
      .profit-negative-bg {
        background-color: rgba(40, 167, 69, 0.1);
      }
      .net-value-date {
        font-size: 0.85rem;
        color: #6c757d;
        margin-top: 2px;
      }
      .fund-shares {
        font-weight: 600;
        color: #495057;
      }
      .api-status {
        font-size: 0.8rem;
        padding: 3px 8px;
        border-radius: 4px;
      }
      .api-success {
        background-color: rgba(40, 167, 69, 0.1);
        color: var(--success-color);
      }
      .api-failed {
        background-color: rgba(220, 53, 69, 0.1);
        color: var(--danger-color);
      }
      .sell-btn {
        min-width: 100px;
      }
      [v-cloak] {
        display: none;
      }
      .investment-day-selector {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 0.5rem;
      }
      .investment-day-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
      }
      .investment-day-active {
        background-color: #007bff;
        color: white;
        border-color: #007bff;
      }
      .investment-day-inactive {
        background-color: #f8f9fa;
        color: #6c757d;
        border-color: #ced4da;
      }
      .investment-amount-input {
        width: 120px;
      }
      .empty-state {
        text-align: center;
        padding: 30px;
        color: #6c757d;
      }
      .empty-state i {
        font-size: 3rem;
        margin-bottom: 15px;
        opacity: 0.3;
      }
      .alert-info {
        background-color: #e8f4fd;
        border-color: #b8daff;
        color: #004085;
        border-radius: 8px;
      }