:root {
        font-family:
          Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        color: #102033;
        background: #f5f7fb;
      }

      * {
        box-sizing: border-box;
      }

      body {
        margin: 0;
        min-height: 100vh;
      }

      main {
        display: grid;
        min-height: 100vh;
        place-items: center;
        padding: 24px;
      }

      .panel {
        width: min(100%, 520px);
        border: 1px solid #d8e0eb;
        border-radius: 8px;
        background: #ffffff;
        padding: 28px;
        box-shadow: 0 10px 30px rgb(16 32 51 / 8%);
      }

      h1,
      p {
        margin-top: 0;
      }

      label {
        display: block;
        margin-bottom: 8px;
        font-weight: 700;
      }

      input {
        width: 100%;
        min-height: 48px;
        border: 1px solid #b9c5d6;
        border-radius: 6px;
        padding: 10px 12px;
        font: inherit;
        letter-spacing: 0.12em;
        text-transform: lowercase;
      }

      button {
        min-height: 42px;
        border: 0;
        border-radius: 6px;
        padding: 10px 14px;
        font: inherit;
        font-weight: 700;
        color: #ffffff;
        background: #1d4f73;
        cursor: pointer;
      }

      button.secondary {
        color: #1d4f73;
        background: #e7f0f7;
      }

      button:disabled {
        cursor: not-allowed;
        opacity: 0.65;
      }

      .form-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 16px;
      }

      .status {
        color: #536579;
      }

      .alert {
        margin-top: 14px;
        min-height: 22px;
        color: #9f1239;
        font-weight: 700;
      }

      .destinations {
        display: grid;
        gap: 10px;
        margin-top: 18px;
      }

      .destination {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        border: 1px solid #d8e0eb;
        border-radius: 8px;
        padding: 12px;
        background: #f8fafc;
      }

      .destination strong,
      .destination span {
        display: block;
      }

      [hidden] {
        display: none !important;
      }

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

        .form-actions,
        .destination {
          align-items: stretch;
          flex-direction: column;
        }
      }