/* Una sola columna, botones enormes, un paso por pantalla. Pensado para leer de lejos con las manos ocupadas. */
  :root {
    --bg: #edf1ee;
    --surface: #ffffff;
    --fg: #14231f;
    --muted: #46605a;
    --accent: #0b6b58;
    --accent-fg: #ffffff;
    --accent-soft: #86bdb0;
    --line: #c5d3ce;
    --focus: #b84a08;
    --error: #a61b1b;
    --font: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --escala: 1;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #0e1715; --surface: #172421; --fg: #e8f1ee; --muted: #9db5ae;
      --accent: #4fd1b0; --accent-fg: #06241d; --accent-soft: #2c6b5c; --line: #2b3d38; --focus: #fbbf77; --error: #ff9b9b;
      color-scheme: dark;
    }
  }
  :root[data-theme="dark"] {
    --bg: #0e1715; --surface: #172421; --fg: #e8f1ee; --muted: #9db5ae;
    --accent: #4fd1b0; --accent-fg: #06241d; --accent-soft: #2c6b5c; --line: #2b3d38; --focus: #fbbf77; --error: #ff9b9b;
    color-scheme: dark;
  }

  * { box-sizing: border-box; }
  [hidden] { display: none !important; }
  :root { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 400 1.125rem/1.5 var(--font);
    padding-block: 16px 40px;
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
  }
  .pagina { max-width: 40rem; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
  #app { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

  h1 { margin: 0; font: 700 clamp(1.9rem, 7vw, 2.5rem)/1.1 var(--font); text-wrap: balance; }
  .sub { margin: 4px 0 0; color: var(--muted); }

  button { font-family: var(--font); cursor: pointer; }
  button:focus-visible { outline: 4px solid var(--focus); outline-offset: 3px; }
  button:disabled { opacity: 0.45; cursor: default; }

  /* Ajustes arriba a la derecha */
  .barra { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
  .ajustes { display: flex; gap: 8px; margin-left: auto; }
  .chip {
    min-height: 3rem; min-width: 3rem; padding: 0 14px;
    border: 2px solid var(--line); border-radius: 999px;
    background: var(--surface); color: var(--fg); font-size: 1rem; font-weight: 700;
  }
  .chip[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
  .atras { min-height: 3rem; padding: 0 6px; border: 0; background: none; color: var(--accent); font-size: 1.125rem; font-weight: 700; }

  /* Lista de recetas */
  .recetas { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
  .receta {
    width: 100%; text-align: left; padding: 18px 20px; min-height: 5rem;
    border: 2px solid var(--accent); border-radius: 16px; background: var(--surface); color: var(--fg);
    display: flex; flex-direction: column; gap: 2px;
  }
  .receta-nombre { font-size: 1.5rem; font-weight: 700; line-height: 1.2; }
  .receta-meta { color: var(--muted); font-size: 1rem; }

  /* Receta en curso */
  .nombre-receta { margin: 0; color: var(--muted); font-size: 1rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
  .progreso { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
  .progreso li { flex: 1; height: 8px; border-radius: 4px; background: var(--line); }
  .progreso li.hecho { background: var(--accent-soft); }
  .progreso li.actual { background: var(--accent); }
  .etiqueta-paso { margin: 0; font-size: 1.25rem; font-weight: 700; color: var(--accent); }

  .tarjeta { background: var(--surface); border: 2px solid var(--line); border-radius: 20px; padding: 20px; min-width: 0; }
  .paso-texto { margin: 0; font-size: calc(1.6rem * var(--escala)); line-height: 1.35; font-weight: 400; text-wrap: pretty; overflow-wrap: anywhere; }
  .ingredientes { margin: 0; padding-left: 1.25rem; font-size: calc(1.3rem * var(--escala)); line-height: 1.45; }
  .ingredientes li + li { margin-top: 6px; }
  .fin { margin: 0; font-size: calc(1.8rem * var(--escala)); font-weight: 700; }
  .panel-ing { background: var(--surface); border: 2px dashed var(--line); border-radius: 16px; padding: 16px 20px; }
  .panel-ing h2 { margin: 0 0 8px; font-size: 1rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }

  .acciones { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .btn {
    min-height: 4.25rem; padding: 10px 14px; border-radius: 16px; border: 2px solid var(--accent);
    font-size: 1.3rem; font-weight: 700; line-height: 1.15;
    background: var(--surface); color: var(--accent);
  }
  .btn-grande { grid-column: 1 / -1; min-height: 6rem; font-size: 1.75rem; background: var(--accent); color: var(--accent-fg); }
  .btn-mic[aria-pressed="true"] { background: var(--accent); color: var(--accent-fg); }
  .solo { width: 100%; }

  .estado { margin: 0; min-height: 3rem; color: var(--fg); font-size: 1.125rem; overflow-wrap: anywhere; }
  .aviso { margin: 0; color: var(--muted); font-size: 1rem; }
  .ayuda { margin: 0; color: var(--muted); font-size: 1rem; }

  .btn-lleno { background: var(--accent); color: var(--accent-fg); }
  .btn-suave { min-height: 3.5rem; font-size: 1.1rem; border-color: var(--line); color: var(--fg); }

  /* Gestor y formularios */
  .fila-receta { background: var(--surface); border: 2px solid var(--line); border-radius: 16px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
  .fila-botones { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .fila-botones .btn { min-height: 3.5rem; font-size: 1.1rem; }
  .pregunta { margin: 0; font-weight: 700; }
  .campo { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
  .campo label { font-weight: 700; }
  .campo small { color: var(--muted); font-size: 1rem; }
  .campo input, .campo textarea, .campo select {
    width: 100%; min-width: 0; font: inherit; font-size: 1.125rem; padding: 12px 14px;
    border: 2px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--fg);
  }
  .campo textarea { min-height: 9rem; resize: vertical; line-height: 1.4; }
  .campo input:focus-visible, .campo textarea:focus-visible, .campo select:focus-visible { outline: 4px solid var(--focus); outline-offset: 2px; }
  .campo input[type="range"] { padding: 8px 0; border: 0; background: none; accent-color: var(--accent); }
  .rango { display: flex; align-items: center; gap: 10px; color: var(--muted); }
  .rango input { flex: 1; }
  .pasar { background: var(--surface); border: 2px solid var(--line); border-radius: 16px; padding: 14px 16px; }
  .pasar summary { cursor: pointer; font-weight: 700; min-height: 2.5rem; display: flex; align-items: center; }
  .pasar .campo { margin-top: 12px; }
  .pasar .acciones { margin-top: 12px; }
  .pasar .btn { min-height: 3.5rem; font-size: 1.1rem; }

  .fila-botones.tres { grid-template-columns: repeat(3, 1fr); }
  .etq { align-self: flex-start; font-size: 0.95rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; border: 2px solid var(--line); color: var(--muted); }
  .etq.ok { border-color: var(--accent); color: var(--accent); }
  .etq.viejo { border-color: var(--error); color: var(--error); }
  .texto-item { margin: 0; overflow-wrap: anywhere; }
  .rec-activa { border-color: var(--accent); }

  @media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }