#gac-body-shape-calculator {
      --gac-primary: #147aa3;
      --gac-primary-dark: #075a78;
      --gac-accent: #16a085;
      --gac-bg: #f5fbfd;
      --gac-card: #ffffff;
      --gac-soft: #eef7fb;
      --gac-border: #d7e7ee;
      --gac-text: #15323f;
      --gac-muted: #637887;
      --gac-danger: #c0392b;
      font-family: inherit;
      color: var(--gac-text);
      max-width: 1100px;
      margin: 20px auto;
    }

    #gac-body-shape-calculator * {
      box-sizing: border-box;
    }

    .gac-tool-card {
      background: var(--gac-card);
      border: 1px solid var(--gac-border);
      border-radius: 18px;
      box-shadow: 0 8px 28px rgba(7, 90, 120, 0.08);
      overflow: hidden;
			color:white;
    }

    .gac-tool-header {
      padding: 26px 28px;
      background: linear-gradient(135deg, var(--gac-primary), var(--gac-primary-dark));
      color: #ffffff;
    }

    .gac-tool-header h2 {
      margin: 0 0 8px;
      font-size: 30px;
      line-height: 1.2;
      color: #ffffff;
    }

    .gac-tool-header p {
      margin: 0;
      font-size: 16px;
      opacity: 0.95;
    }

    .gac-tool-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 24px;
      padding: 26px;
      background: var(--gac-bg);
    }

    .gac-panel {
      background: var(--gac-card);
      border: 1px solid var(--gac-border);
      border-radius: 16px;
      padding: 22px;
    }

    .gac-section-title {
      margin: 0 0 16px;
      font-size: 20px;
      color: var(--gac-primary-dark);
    }

    .gac-input-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .gac-field label {
      display: block;
      margin-bottom: 8px;
      font-weight: 700;
      color: var(--gac-primary-dark);
    }

    .gac-control {
      display: grid;
      grid-template-columns: 1fr 82px;
      border: 1px solid var(--gac-border);
      border-radius: 12px;
      overflow: hidden;
      background: #ffffff;
    }

    .gac-control input,
    .gac-control select {
      width: 100%;
      border: 0;
      padding: 13px 12px;
      font-size: 16px;
      outline: none;
      background: #ffffff;
      color: var(--gac-text);
    }

    .gac-control select {
      border-left: 1px solid var(--gac-border);
      color: var(--gac-primary-dark);
      cursor: pointer;
    }

    .gac-help {
      margin-top: 6px;
      font-size: 13px;
      color: var(--gac-muted);
    }

    .gac-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 22px;
    }

    .gac-btn {
      border: 0;
      border-radius: 12px;
      padding: 14px 22px;
      font-size: 16px;
      font-weight: 800;
      cursor: pointer;
      transition: 0.2s ease;
    }

    .gac-btn-primary {
      background: linear-gradient(135deg, var(--gac-primary), var(--gac-primary-dark));
      color: #ffffff;
      min-width: 170px;
    }

    .gac-btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 8px 18px rgba(20, 122, 163, 0.24);
    }

    .gac-btn-light {
      background: var(--gac-soft);
      color: var(--gac-primary-dark);
      border: 1px solid var(--gac-border);
    }

    .gac-error {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 12px;
      background: #fff1ef;
      color: var(--gac-danger);
      border: 1px solid #ffd0ca;
      font-weight: 700;
    }

    .gac-svg-wrap {
      background: linear-gradient(180deg, #ffffff, var(--gac-soft));
      border-radius: 16px;
      min-height: 420px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      border: 1px solid var(--gac-border);
    }

    .gac-svg-wrap svg {
      width: 100%;
      max-width: 430px;
      height: auto;
    }

    .gac-measure-line {
      stroke: var(--gac-primary-dark);
      stroke-width: 3;
      stroke-linecap: round;
    }

    .gac-measure-dot {
      fill: var(--gac-primary-dark);
    }

    .gac-measure-text {
      fill: var(--gac-text);
      font-size: 13px;
      font-weight: 800;
    }

    .gac-measure-value {
      fill: var(--gac-muted);
      font-size: 12px;
      font-weight: 700;
    }

    .gac-result {
      display: none;
      margin-top: 24px;
      background: var(--gac-card);
      border: 1px solid var(--gac-border);
      border-radius: 16px;
      padding: 22px;
    }

    .gac-result-top {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 16px;
      align-items: start;
    }

    .gac-badge {
      display: inline-flex;
      align-items: center;
      padding: 7px 12px;
      border-radius: 999px;
      background: var(--gac-soft);
      color: var(--gac-primary-dark);
      font-weight: 900;
      font-size: 13px;
      margin-bottom: 10px;
    }

    .gac-result h3 {
      margin: 0 0 8px;
      font-size: 26px;
      color: var(--gac-primary-dark);
    }

    .gac-result p {
      margin: 0;
      color: var(--gac-muted);
      line-height: 1.6;
    }

    .gac-score {
      text-align: right;
      min-width: 140px;
      padding: 14px;
      border-radius: 14px;
      background: var(--gac-soft);
      border: 1px solid var(--gac-border);
    }

    .gac-score strong {
      display: block;
      color: var(--gac-primary-dark);
      font-size: 24px;
    }

    .gac-score span {
      color: var(--gac-muted);
      font-size: 13px;
      font-weight: 700;
    }

    .gac-ratio-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .gac-ratio-box {
      padding: 14px;
      background: var(--gac-bg);
      border: 1px solid var(--gac-border);
      border-radius: 14px;
    }

    .gac-ratio-box span {
      display: block;
      font-size: 13px;
      color: var(--gac-muted);
      margin-bottom: 5px;
    }

    .gac-ratio-box strong {
      font-size: 20px;
      color: var(--gac-primary-dark);
    }

    .gac-explain {
      margin-top: 18px;
      padding: 15px;
      background: #ffffff;
      border-left: 5px solid var(--gac-accent);
      border-radius: 12px;
      color: var(--gac-text);
      line-height: 1.6;
    }

    .gac-note {
      margin-top: 16px;
      font-size: 13px;
      color: var(--gac-muted);
      line-height: 1.5;
    }

    @media (max-width: 860px) {
      .gac-tool-grid {
        grid-template-columns: 1fr;
      }

      .gac-input-grid,
      .gac-ratio-grid,
      .gac-result-top {
        grid-template-columns: 1fr;
      }

      .gac-score {
        text-align: left;
      }
    }

    @media (max-width: 520px) {
      .gac-tool-header {
        padding: 22px;
      }

      .gac-tool-header h2 {
        font-size: 25px;
      }

      .gac-tool-grid {
        padding: 16px;
      }

      .gac-panel {
        padding: 18px;
      }

      .gac-actions {
        flex-direction: column;
      }

      .gac-btn {
        width: 100%;
      }
    }