#fm-watch-tools,
    #fm-watch-tools * {
      box-sizing: border-box;
    }

    #fm-watch-tools {
      --fm-ink: #151515;
      --fm-muted: #696969;
      --fm-line: #dedbd5;
      --fm-paper: #ffffff;
      --fm-soft: #f5f2ec;
      --fm-accent: #1e6b55;
      --fm-accent-dark: #124c3c;
      width: 100%;
      color: var(--fm-ink);
      background:
        radial-gradient(circle at 8% 10%, rgba(30, 107, 85, 0.09), transparent 28%),
        linear-gradient(135deg, #f9f7f2 0%, #f3efe7 100%);
      font-family: Arial, Helvetica, sans-serif;
      padding: clamp(48px, 7vw, 88px) 20px;
    }

    #fm-watch-tools .fm-tools-shell {
      width: min(1180px, 100%);
      margin: 0 auto;
    }

    #fm-watch-tools .fm-tools-heading {
      max-width: 720px;
      margin: 0 auto 34px;
      text-align: center;
    }

    #fm-watch-tools .fm-tools-kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 12px;
      color: var(--fm-accent-dark);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    #fm-watch-tools .fm-tools-kicker::before,
    #fm-watch-tools .fm-tools-kicker::after {
      content: "";
      width: 24px;
      height: 1px;
      background: currentColor;
    }

    #fm-watch-tools h2 {
      margin: 0;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.08;
      letter-spacing: -0.035em;
    }

    #fm-watch-tools .fm-tools-intro {
      margin: 14px auto 0;
      color: var(--fm-muted);
      font-size: 16px;
      line-height: 1.65;
    }

    #fm-watch-tools .fm-tools-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
      align-items: stretch;
    }

    #fm-watch-tools .fm-tool-card {
      position: relative;
      min-width: 0;
      overflow: hidden;
      border: 1px solid rgba(21, 21, 21, 0.13);
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.94);
      box-shadow: 0 18px 45px rgba(25, 24, 20, 0.08);
      padding: clamp(24px, 4vw, 38px);
    }

    #fm-watch-tools .fm-tool-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 4px;
      background: linear-gradient(90deg, var(--fm-accent), #90b7aa);
    }

    #fm-watch-tools .fm-card-head {
      display: flex;
      align-items: flex-start;
      gap: 15px;
      margin-bottom: 25px;
    }

    #fm-watch-tools .fm-card-icon {
      display: inline-grid;
      flex: 0 0 44px;
      width: 44px;
      height: 44px;
      place-items: center;
      border-radius: 12px;
      color: #fff;
      background: var(--fm-ink);
      font-size: 21px;
      line-height: 1;
    }

    #fm-watch-tools h3 {
      margin: 1px 0 5px;
      font-size: 24px;
      line-height: 1.2;
      letter-spacing: -0.02em;
    }

    #fm-watch-tools .fm-card-copy {
      margin: 0;
      color: var(--fm-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    #fm-watch-tools .fm-field-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 15px;
    }

    #fm-watch-tools .fm-field,
    #fm-watch-tools .fm-field-full {
      min-width: 0;
    }

    #fm-watch-tools .fm-field-full {
      grid-column: 1 / -1;
    }

    #fm-watch-tools label {
      display: block;
      margin-bottom: 7px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    #fm-watch-tools input,
    #fm-watch-tools select,
    #fm-watch-tools button {
      font: inherit;
    }

    #fm-watch-tools input,
    #fm-watch-tools select {
      width: 100%;
      height: 48px;
      border: 1px solid var(--fm-line);
      border-radius: 10px;
      outline: none;
      color: var(--fm-ink);
      background: #fff;
      padding: 0 13px;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    #fm-watch-tools input:focus,
    #fm-watch-tools select:focus {
      border-color: var(--fm-accent);
      box-shadow: 0 0 0 3px rgba(30, 107, 85, 0.13);
    }

    #fm-watch-tools .fm-input-unit {
      display: grid;
      grid-template-columns: 1fr 92px;
      gap: 8px;
    }

    #fm-watch-tools .fm-action {
      width: 100%;
      min-height: 50px;
      margin-top: 18px;
      border: 0;
      border-radius: 10px;
      color: #fff;
      background: var(--fm-ink);
      cursor: pointer;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.04em;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    #fm-watch-tools .fm-action:hover {
      background: var(--fm-accent-dark);
      transform: translateY(-1px);
    }

    #fm-watch-tools .fm-action:focus-visible {
      outline: 3px solid rgba(30, 107, 85, 0.28);
      outline-offset: 2px;
    }

    #fm-watch-tools .fm-result {
      display: none;
      margin-top: 18px;
      border: 1px solid #cbded7;
      border-radius: 12px;
      color: var(--fm-ink);
      background: #f1f8f5;
      padding: 16px;
    }

    #fm-watch-tools .fm-result.is-visible {
      display: block;
      animation: fmResultIn 0.28s ease both;
    }

    #fm-watch-tools .fm-result-title {
      margin: 0 0 9px;
      color: var(--fm-accent-dark);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    #fm-watch-tools .fm-result-main {
      margin: 0;
      font-size: 18px;
      font-weight: 700;
      line-height: 1.45;
    }

    #fm-watch-tools .fm-result-note {
      margin: 8px 0 0;
      color: #4e625b;
      font-size: 13px;
      line-height: 1.55;
    }

    #fm-watch-tools .fm-converter-row {
      display: grid;
      grid-template-columns: 1fr 42px 1fr;
      gap: 10px;
      align-items: end;
    }

    #fm-watch-tools .fm-swap {
      display: grid;
      width: 42px;
      height: 48px;
      place-items: center;
      border: 1px solid var(--fm-line);
      border-radius: 10px;
      color: var(--fm-ink);
      background: var(--fm-soft);
      cursor: pointer;
      font-size: 18px;
    }

    #fm-watch-tools .fm-convert-value {
      margin-top: 15px;
    }

    #fm-watch-tools .fm-convert-output {
      display: flex;
      min-height: 90px;
      margin-top: 18px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: #fff;
      background: var(--fm-ink);
      padding: 17px;
      text-align: center;
    }

    #fm-watch-tools .fm-convert-number {
      display: block;
      font-size: clamp(28px, 5vw, 40px);
      font-weight: 800;
      line-height: 1;
      letter-spacing: -0.03em;
    }

    #fm-watch-tools .fm-convert-caption {
      display: block;
      margin-top: 7px;
      color: #c7d7d1;
      font-size: 12px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    #fm-watch-tools .fm-reference {
      margin-top: 22px;
      border-top: 1px solid var(--fm-line);
      padding-top: 18px;
    }

    #fm-watch-tools .fm-reference-title {
      margin: 0 0 10px;
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    #fm-watch-tools .fm-reference-list {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 8px;
    }

    #fm-watch-tools .fm-reference-item {
      border-radius: 9px;
      color: #414141;
      background: var(--fm-soft);
      padding: 10px 7px;
      text-align: center;
      font-size: 12px;
      line-height: 1.35;
    }

    #fm-watch-tools .fm-reference-item strong {
      display: block;
      color: var(--fm-ink);
      font-size: 14px;
    }

    #fm-watch-tools .fm-disclaimer {
      max-width: 900px;
      margin: 20px auto 0;
      color: var(--fm-muted);
      font-size: 12px;
      line-height: 1.6;
      text-align: center;
    }

    @keyframes fmResultIn {
      from { opacity: 0; transform: translateY(5px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @media (max-width: 820px) {
      #fm-watch-tools .fm-tools-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      #fm-watch-tools {
        padding-right: 14px;
        padding-left: 14px;
      }

      #fm-watch-tools .fm-tool-card {
        border-radius: 14px;
        padding: 22px 17px;
      }

      #fm-watch-tools .fm-field-grid,
      #fm-watch-tools .fm-converter-row {
        grid-template-columns: 1fr;
      }

      #fm-watch-tools .fm-swap {
        width: 100%;
        height: 40px;
        transform: rotate(90deg);
      }

      #fm-watch-tools .fm-reference-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (prefers-reduced-motion: reduce) {
      #fm-watch-tools *,
      #fm-watch-tools *::before,
      #fm-watch-tools *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }
    }