@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@600&family=Source+Sans+3:wght@400;600;700&family=Source+Serif+4:wght@600;700&display=swap');
    #sinergia-dieta-digital {
      --sdd-cream:#FBF5EF; --sdd-purple:#665A9C; --sdd-lilac:#928AC2;
      --sdd-pink:#F7C4E9; --sdd-blush:#FBDAD2; --sdd-dark:#2D2D2D;
      --sdd-white:#FFFFFF;
      box-sizing: border-box;
      max-width: 640px;
      margin: 2rem auto;
      background: var(--sdd-cream);
      border-radius: 28px;
      padding: 1.75rem 1.25rem 2.25rem;
      font-family: 'Source Sans 3', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      color: var(--sdd-dark);
      box-shadow: 0 10px 40px rgba(102,90,156,0.12);
      position: relative;
      overflow: hidden;
    }
    #sinergia-dieta-digital *, #sinergia-dieta-digital *::before, #sinergia-dieta-digital *::after {
      box-sizing: border-box;
    }
    #sinergia-dieta-digital .sdd-serif {
      font-family: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    }
    #sinergia-dieta-digital .sdd-script {
      font-family: 'Dancing Script', cursive;
    }
    #sinergia-dieta-digital .sdd-eyebrow {
      font-size: 0.72rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--sdd-purple);
      font-weight: 700;
      margin-bottom: 0.5rem;
      display: block;
    }
    #sinergia-dieta-digital h1.sdd-title {
      font-size: clamp(1.5rem, 5vw, 2.1rem);
      line-height: 1.15;
      margin: 0 0 0.85rem;
      color: var(--sdd-dark);
    }
    #sinergia-dieta-digital .sdd-accent { color: var(--sdd-purple); }
    #sinergia-dieta-digital p.sdd-body {
      font-size: 1rem;
      line-height: 1.55;
      margin: 0 0 1rem;
      color: #4a4a4a;
    }
    #sinergia-dieta-digital .sdd-small {
      font-size: 0.85rem;
      color: #6a6a6a;
      margin: 0 0 0.9rem;
    }

    /* progreso */
    #sinergia-dieta-digital .sdd-progress-wrap {
      display: none;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1.25rem;
    }
    #sinergia-dieta-digital .sdd-progress-wrap.sdd-show { display: flex; }
    #sinergia-dieta-digital .sdd-progress-label {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--sdd-purple);
      white-space: nowrap;
    }
    #sinergia-dieta-digital .sdd-progress-track {
      flex: 1;
      height: 7px;
      background: var(--sdd-blush);
      border-radius: 999px;
      overflow: hidden;
    }
    #sinergia-dieta-digital .sdd-progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--sdd-purple), var(--sdd-lilac));
      border-radius: 999px;
      width: 0%;
      transition: width 0.35s ease;
    }

    /* pantallas */
    #sinergia-dieta-digital .sdd-screen { display: none; }
    #sinergia-dieta-digital .sdd-screen.sdd-active {
      display: block;
      animation: sdd-fade 0.35s ease;
    }
    @keyframes sdd-fade {
      from { opacity: 0; transform: translateY(6px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* contador de selección */
    #sinergia-dieta-digital .sdd-counter {
      display: inline-block;
      background: var(--sdd-white);
      border: 1px solid var(--sdd-lilac);
      color: var(--sdd-purple);
      font-weight: 700;
      font-size: 0.82rem;
      padding: 0.25rem 0.7rem;
      border-radius: 999px;
      margin-bottom: 1rem;
    }

    /* grid de opciones */
    #sinergia-dieta-digital .sdd-options {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.65rem;
      margin-bottom: 1.5rem;
    }
    #sinergia-dieta-digital .sdd-options.sdd-single-col {
      grid-template-columns: 1fr;
    }
    #sinergia-dieta-digital button.sdd-option {
      font-family: inherit;
      font-size: 0.92rem;
      text-align: left;
      background: var(--sdd-white);
      border: 2px solid transparent;
      border-radius: 16px;
      padding: 0.8rem 0.9rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 0.55rem;
      line-height: 1.3;
      color: var(--sdd-dark);
      transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
      position: relative;
    }
    #sinergia-dieta-digital button.sdd-option:hover { transform: translateY(-2px); }
    #sinergia-dieta-digital button.sdd-option:focus-visible {
      outline: 3px solid var(--sdd-purple);
      outline-offset: 2px;
    }
    #sinergia-dieta-digital button.sdd-option .sdd-emoji {
      font-size: 1.15rem;
      flex-shrink: 0;
    }
    #sinergia-dieta-digital button.sdd-option[aria-pressed="true"] {
      background: var(--sdd-pink);
      border-color: var(--sdd-purple);
      font-weight: 700;
    }
    #sinergia-dieta-digital button.sdd-option[aria-pressed="true"]::after {
      content: "✓";
      position: absolute;
      top: 6px;
      right: 8px;
      font-size: 0.85rem;
      color: var(--sdd-purple);
      font-weight: 900;
    }
    #sinergia-dieta-digital button.sdd-option:disabled {
      opacity: 0.4;
      cursor: not-allowed;
      transform: none;
    }

    /* botones principales */
    #sinergia-dieta-digital .sdd-btn-row {
      display: flex;
      gap: 0.75rem;
      align-items: center;
      flex-wrap: wrap;
    }
    #sinergia-dieta-digital button.sdd-btn-primary {
      font-family: inherit;
      font-weight: 700;
      font-size: 0.95rem;
      background: var(--sdd-dark);
      color: var(--sdd-cream);
      border: none;
      border-radius: 999px;
      padding: 0.85rem 1.6rem;
      cursor: pointer;
      transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
    }
    #sinergia-dieta-digital button.sdd-btn-primary:hover:not(:disabled) {
      transform: translateY(-2px);
      background: var(--sdd-purple);
    }
    #sinergia-dieta-digital button.sdd-btn-primary:disabled {
      opacity: 0.35;
      cursor: not-allowed;
      transform: none;
    }
    #sinergia-dieta-digital button.sdd-btn-text {
      font-family: inherit;
      font-weight: 700;
      font-size: 0.88rem;
      background: none;
      border: none;
      color: var(--sdd-purple);
      cursor: pointer;
      padding: 0.6rem 0.3rem;
      text-decoration: underline;
    }
    #sinergia-dieta-digital button.sdd-btn-text:focus-visible,
    #sinergia-dieta-digital button.sdd-btn-primary:focus-visible {
      outline: 3px solid var(--sdd-purple);
      outline-offset: 2px;
    }

    /* formulario inicial */
    #sinergia-dieta-digital .sdd-form { margin: 1.25rem 0 1.5rem; display: grid; gap: 0.95rem; }
    #sinergia-dieta-digital .sdd-field label {
      display: block; font-size: 0.85rem; font-weight: 700; color: var(--sdd-purple); margin: 0 0 0.3rem;
    }
    #sinergia-dieta-digital .sdd-field input[type="text"],
    #sinergia-dieta-digital .sdd-field input[type="email"],
    #sinergia-dieta-digital .sdd-field select {
      display: block; width: 100%; min-height: 48px; margin: 0;
      font-family: inherit; font-size: 1rem; line-height: 1.3; color: var(--sdd-dark);
      padding: 0.75rem 0.9rem; background: var(--sdd-white);
      border: 2px solid var(--sdd-lilac); border-radius: 14px; box-shadow: none;
    }
    #sinergia-dieta-digital .sdd-field input:focus-visible,
    #sinergia-dieta-digital .sdd-field select:focus-visible,
    #sinergia-dieta-digital .sdd-consent input:focus-visible {
      outline: 3px solid var(--sdd-purple); outline-offset: 2px; border-color: var(--sdd-purple);
    }
    #sinergia-dieta-digital .sdd-field input[aria-invalid="true"],
    #sinergia-dieta-digital .sdd-field select[aria-invalid="true"] { border-color: #B3261E; }
    #sinergia-dieta-digital .sdd-error {
      margin: 0.35rem 0 0; font-size: 0.82rem; font-weight: 700; color: #B3261E; line-height: 1.35;
    }
    #sinergia-dieta-digital .sdd-error:empty { display: none; }
    #sinergia-dieta-digital .sdd-error:not(:empty)::before { content: "⚠ "; }
    #sinergia-dieta-digital .sdd-consent {
      display: flex; gap: 0.65rem; align-items: flex-start;
      font-size: 0.85rem; line-height: 1.45; color: #4a4a4a;
    }
    #sinergia-dieta-digital .sdd-consent input[type="checkbox"] {
      flex-shrink: 0; width: 22px; height: 22px; margin: 0.1rem 0 0; accent-color: var(--sdd-purple);
    }
    #sinergia-dieta-digital .sdd-consent label { margin: 0; font-weight: 400; color: inherit; cursor: pointer; }
    #sinergia-dieta-digital .sdd-consent a { color: var(--sdd-purple); text-decoration: underline; }
    #sinergia-dieta-digital .sdd-hp {
      position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
    }
    #sinergia-dieta-digital .sdd-for {
      font-family: 'Dancing Script', 'Brush Script MT', cursive;
      font-size: 1.7rem; line-height: 1.2; color: var(--sdd-purple); margin: 0 0 0.7rem;
    }
    #sinergia-dieta-digital .sdd-for:empty { display: none; }

    /* descarga JPG */
    #sinergia-dieta-digital button.sdd-btn-primary.sdd-btn-accent { background: var(--sdd-purple); }
    #sinergia-dieta-digital button.sdd-btn-primary.sdd-btn-accent:hover:not(:disabled) { background: var(--sdd-dark); }
    #sinergia-dieta-digital .sdd-download-card {
      background: var(--sdd-white);
      border: 2px dashed var(--sdd-lilac);
      border-radius: 20px;
      padding: 1.2rem 1.1rem;
      margin-bottom: 1.1rem;
    }
    #sinergia-dieta-digital .sdd-download-card h3 { margin: 0 0 0.4rem; font-size: 1.1rem; color: var(--sdd-dark); }
    #sinergia-dieta-digital .sdd-download-card .sdd-small { margin: 0 0 0.9rem; }
    #sinergia-dieta-digital .sdd-download-card .sdd-small#sdd-download-status { margin: 0.7rem 0 0; color: var(--sdd-purple); font-weight: 600; }
    #sinergia-dieta-digital .sdd-download-card .sdd-small#sdd-download-status:empty { display: none; }
    #sinergia-dieta-digital img.sdd-preview {
      display: block;
      width: 100%;
      height: auto;
      border-radius: 14px;
      margin-top: 0.9rem;
      box-shadow: 0 6px 24px rgba(102,90,156,0.18);
    }

    /* resultado */
    #sinergia-dieta-digital .sdd-result-card {
      background: var(--sdd-white);
      border-radius: 20px;
      padding: 1.2rem 1.1rem;
      margin-bottom: 1.1rem;
    }
    #sinergia-dieta-digital .sdd-result-card h3 {
      margin: 0 0 0.6rem;
      font-size: 1.05rem;
      color: var(--sdd-purple);
    }
    #sinergia-dieta-digital .sdd-tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    #sinergia-dieta-digital .sdd-tag-list li {
      background: var(--sdd-blush);
      border-radius: 999px;
      padding: 0.3rem 0.75rem;
      font-size: 0.85rem;
      font-weight: 600;
    }
    #sinergia-dieta-digital .sdd-tag-list.sdd-menos li { background: var(--sdd-lilac); color: var(--sdd-white); }
    #sinergia-dieta-digital .sdd-day-card {
      background: var(--sdd-white);
      border-left: 5px solid var(--sdd-purple);
      border-radius: 14px;
      padding: 1.1rem 1.1rem;
      margin-bottom: 1rem;
    }
    #sinergia-dieta-digital .sdd-day-card h3 {
      margin: 0 0 0.5rem;
      font-size: 1.05rem;
    }
    #sinergia-dieta-digital .sdd-day-card p { margin: 0 0 0.5rem; font-size: 0.95rem; line-height: 1.55; }
    #sinergia-dieta-digital .sdd-day-card ul { margin: 0.3rem 0 0.5rem 1.1rem; padding: 0; font-size: 0.95rem; line-height: 1.6; }
    #sinergia-dieta-digital .sdd-challenge {
      background: var(--sdd-pink);
      border-radius: 16px;
      padding: 1rem 1.1rem;
      margin-bottom: 1.1rem;
      font-size: 0.95rem;
      line-height: 1.55;
    }
    #sinergia-dieta-digital .sdd-challenge strong { display: block; margin-bottom: 0.35rem; font-size: 1rem; }
    #sinergia-dieta-digital .sdd-compare {
      background: var(--sdd-white);
      border-radius: 16px;
      padding: 1.1rem;
      margin-bottom: 1.1rem;
    }
    #sinergia-dieta-digital .sdd-compare h3 { margin: 0 0 0.6rem; font-size: 1.05rem; }
    #sinergia-dieta-digital .sdd-compare .sdd-vs-row { display: flex; gap: 0.6rem; margin-bottom: 0.6rem; flex-wrap: wrap; }
    #sinergia-dieta-digital .sdd-compare .sdd-vs-day {
      flex: 1;
      min-width: 130px;
      background: var(--sdd-cream);
      border-radius: 12px;
      padding: 0.6rem 0.75rem;
      font-size: 0.88rem;
    }
    #sinergia-dieta-digital .sdd-compare .sdd-vs-day b { display: block; color: var(--sdd-purple); margin-bottom: 0.2rem; }
    #sinergia-dieta-digital .sdd-compare ul { margin: 0.4rem 0 0 1.1rem; padding: 0; font-size: 0.9rem; line-height: 1.6; color: #4a4a4a; }
    #sinergia-dieta-digital .sdd-final-phrase {
      text-align: center;
      padding: 1.4rem 1rem;
      background: var(--sdd-dark);
      color: var(--sdd-cream);
      border-radius: 18px;
      margin-bottom: 1.1rem;
    }
    #sinergia-dieta-digital .sdd-final-phrase p.sdd-serif {
      font-size: 1.15rem;
      line-height: 1.4;
      margin: 0 0 0.6rem;
    }
    #sinergia-dieta-digital .sdd-final-phrase .sdd-script {
      font-size: 1.3rem;
      color: var(--sdd-pink);
    }

    /* mobile */
    @media (max-width: 420px) {
      #sinergia-dieta-digital .sdd-options { grid-template-columns: 1fr; }
      #sinergia-dieta-digital { padding: 1.4rem 1rem 1.8rem; border-radius: 20px; }
      #sinergia-dieta-digital button.sdd-btn-primary { width: 100%; text-align: center; }
    }

    /* accesibilidad: respeta reduce motion */
    @media (prefers-reduced-motion: reduce) {
      #sinergia-dieta-digital *, #sinergia-dieta-digital *::before, #sinergia-dieta-digital *::after {
        animation: none !important;
        transition: none !important;
      }
    }