.container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    /* Header */
    .header {
      background: white;
      border-radius: 16px;
      padding: 24px;
      margin-bottom: 24px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }

    .header h1 {
      font-size: 28px;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 8px;
    }

    .header-description {
      color: #64748b;
      font-size: 14px;
      line-height: 1.6;
    }

    /* Investment Amount Section */
    .investment-section {
      background: white;
      border-radius: 16px;
      padding: 24px;
      margin-bottom: 24px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }

    .investment-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 16px;
      color: #1e293b;
    }

    .amount-input-container {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .amount-input {
      flex: 1;
      max-width: 200px;
      padding: 12px 16px;
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      font-size: 16px;
      font-weight: 600;
      background: #f8fafc;
    }

    .amount-input:focus {
      outline: none;
      border-color: #3b82f6;
      background: white;
    }

    .invest-btn {
      background: #3b82f6;
      color: white;
      border: none;
      padding: 12px 24px;
      border-radius: 12px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s;
    }

    .invest-btn:hover {
      background: #2563eb;
    }

    .amount-range {
      color: #64748b;
      font-size: 14px;
    }

    /* Main Layout */
    .main-layout {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 24px;
    }

    /* Filters Sidebar */
    .filters-sidebar {
      background: white;
      border-radius: 16px;
      padding: 24px;
      height: fit-content;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }

    .filters-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
    }

    .filters-title {
      font-size: 18px;
      font-weight: 600;
      color: #1e293b;
    }

    .clear-all {
      color: #3b82f6;
      font-size: 14px;
      text-decoration: none;
      font-weight: 500;
    }

    .clear-all:hover {
      text-decoration: underline;
    }

    .filter-group {
      margin-bottom: 24px;
    }

    .filter-group-title {
      font-size: 14px;
      font-weight: 600;
      color: #374151;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .filter-option {
      display: flex;
      align-items: center;
      margin-bottom: 8px;
    }

    .filter-option input[type="checkbox"] {
      margin-right: 8px;
      width: 16px;
      height: 16px;
    }

    .filter-option input[type="radio"] {
      margin-right: 8px;
      width: 16px;
      height: 16px;
    }

    .filter-option label {
      font-size: 14px;
      color: #4b5563;
      cursor: pointer;
    }

    /* Content Area */
    .content-area {
      background: white;
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }

    .content-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
    }

    .content-title {
      font-size: 20px;
      font-weight: 600;
      color: #1e293b;
    }

    .sort-dropdown {
      padding: 8px 16px;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      font-size: 14px;
      background: white;
      cursor: pointer;
    }

    /* Bond Cards */
    .bonds-grid {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .bond-card {
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 20px;
      transition: all 0.2s;
      background: white;
    }

    .bond-card:hover {
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      border-color: #cbd5e1;
    }

    .bond-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 16px;
    }

    .bond-company {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .company-logo {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: white;
      font-size: 14px;
    }

    .company-name {
      font-size: 16px;
      font-weight: 600;
      color: #1e293b;
    }

    .bond-badges {
      display: flex;
      gap: 8px;
    }

    .badge {
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 500;
    }

    .badge-new {
      background: #dbeafe;
      color: #1d4ed8;
    }

    .badge-risk {
      background: #fef3c7;
      color: #d97706;
    }

    .badge-risk.low {
      background: #dcfce7;
      color: #16a34a;
    }

    .bond-description {
      font-size: 14px;
      color: #64748b;
      margin-bottom: 16px;
      line-height: 1.5;
    }

    .bond-details {
      display: grid;
      grid-template-columns: 1fr auto 1fr auto;
      gap: 16px;
      align-items: center;
    }

    .investment-info {
      text-align: left;
    }

    .investment-label {
      font-size: 12px;
      color: #64748b;
      margin-bottom: 4px;
    }

    .investment-amount {
      font-size: 18px;
      font-weight: 600;
      color: #1e293b;
    }

    .returns-info {
      text-align: center;
    }

    .returns-label {
      font-size: 12px;
      color: #64748b;
      margin-bottom: 4px;
    }

    .returns-rate {
      font-size: 18px;
      font-weight: 600;
      color: #16a34a;
    }

    .maturity-info {
      text-align: center;
    }

    .maturity-label {
      font-size: 12px;
      color: #64748b;
      margin-bottom: 4px;
    }

    .maturity-period {
      font-size: 14px;
      font-weight: 500;
      color: #8b5cf6;
    }

    .bond-actions {
      text-align: right;
    }

    .know-more-btn {
      background: #3b82f6;
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.2s;
    }

    .know-more-btn:hover {
      background: #2563eb;
    }

    /* Mobile Styles */
    @media (max-width: 768px) {
      .container {
        padding: 16px;
      }

      .header h1 {
        font-size: 24px;
      }

      .main-layout {
        grid-template-columns: 1fr;
        gap: 16px;
      }

      .filters-sidebar {
        order: 2;
      }

      .content-area {
        order: 1;
      }

      .amount-input-container {
        flex-direction: column;
        align-items: stretch;
      }

      .amount-input {
        max-width: none;
      }

      .bond-header {
        flex-direction: column;
        gap: 12px;
      }

      .bond-details {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .investment-info,
      .returns-info,
      .maturity-info {
        text-align: center;
      }

      .bond-actions {
        text-align: center;
      }

      .content-header {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
      }

      .sort-dropdown {
        width: 100%;
      }
    }

    /* Mobile filters toggle */
    .mobile-filters-toggle {
      display: none;
      background: #3b82f6;
      color: white;
      border: none;
      padding: 12px 24px;
      border-radius: 8px;
      font-weight: 500;
      cursor: pointer;
      margin-bottom: 16px;
      width: 100%;
    }

    @media (max-width: 768px) {
      .mobile-filters-toggle {
        display: block;
      }

      .filters-sidebar {
        display: none;
      }

      .filters-sidebar.mobile-open {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1000;
        background: white;
        border-radius: 0;
        padding: 24px;
        overflow-y: auto;
      }

      .filters-sidebar.mobile-open .filters-header {
        position: sticky;
        top: 0;
        background: white;
        padding-bottom: 16px;
        border-bottom: 1px solid #e2e8f0;
        margin-bottom: 24px;
      }

      .mobile-close {
        display: none;
        background: #ef4444;
        color: white;
        border: none;
        padding: 8px 16px;
        border-radius: 6px;
        font-size: 14px;
        cursor: pointer;
      }

      .filters-sidebar.mobile-open .mobile-close {
        display: inline-block;
      }