.timeline-panel {
        position: relative;
        padding: 18px;
        background:
          radial-gradient(900px 360px at 18% 16%, rgba(233, 184, 15, 0.18), transparent 62%),
          radial-gradient(900px 360px at 86% 10%, rgba(9, 152, 168, 0.14), transparent 62%),
          rgba(255, 255, 255, 0.88);
      }

      .timeline-chart {
        border-radius: 18px;
        border: 1px solid rgba(0, 0, 0, 0.08);
        background: rgba(255, 255, 255, 0.72);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
        overflow: hidden;
      }

      .timeline-svg {
        width: 100%;
        height: auto;
        display: block;
      }

      .timeline-note {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        align-items: baseline;
        margin-top: 10px;
        color: rgba(0, 0, 0, 0.62);
        font-size: 12px;
      }

      .timeline-note strong {
        color: var(--clr-purple);
      }

      .micro-legend {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 12px;
        color: rgba(0, 0, 0, 0.64);
        font-size: 13px;
      }

      .micro-legend span {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.88);
        border: 1px solid rgba(0, 0, 0, 0.08);
        padding: 7px 10px;
        border-radius: 999px;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
        font-weight: 800;
      }

      .micro-dot {
        width: 10px;
        height: 10px;
        border-radius: 999px;
        background: var(--clr-set-1);
        border: 2px solid rgba(255, 255, 255, 0.9);
      }

      .micro-line {
        width: 18px;
        height: 2px;
        border-radius: 999px;
        background: rgba(41, 28, 91, 0.34);
      }

      @media (max-width: 900px) {
        .timeline-note {
          flex-wrap: wrap;
        }
      }