/* ==========================================================================
   tools.css — Base compartida de las herramientas interactivas.
   Solo tokens del sitio (color, radio, espacio, motion del perfil): la marca
   la pone tokens.css. Se carga únicamente en páginas con una herramienta.
   ========================================================================== */
.tool {
  --tool-gap: clamp(1rem, 2.5vw, 1.5rem);
  display: grid;
  gap: var(--tool-gap);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  min-width: 0;
  color: var(--text);
}
.tool * { min-width: 0; }
.tool__head { display: grid; gap: 0.5rem; }
.tool__title { font-size: var(--step-2); line-height: var(--leading-snug, 1.2); text-wrap: balance; }
.tool__intro { color: var(--text-muted); max-inline-size: 60ch; }
.tool__form { display: grid; gap: var(--tool-gap); }

/* Grupos de opciones: <fieldset> nativo (teclado + lector de pantalla gratis) */
.tool fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.tool legend { font-weight: 600; font-size: var(--step-0); padding: 0; margin-block-end: 0.75rem; }
.tool__opts { display: grid; gap: 0.6rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 12.5rem), 1fr)); }

/* Opción tipo tarjeta: el input real queda accesible (no display:none) */
.tool-opt {
  position: relative;
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  cursor: pointer;
  min-block-size: 3rem;
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out), scale var(--dur-fast) var(--ease-out);
}
.tool-opt input {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: 1.05rem;
  inline-size: 1.1rem; block-size: 1.1rem;
  margin: 0;
  accent-color: var(--primary);
}
.tool-opt__label { font-weight: 600; }
.tool-opt__meta { font-size: var(--step--1); color: var(--text-muted); }
.tool-opt:hover { border-color: var(--border-strong); }
.tool-opt:has(input:checked) {
  border-color: var(--primary);
  background: color-mix(in oklch, var(--primary) 8%, var(--bg-elevated));
  box-shadow: 0 0 0 1px var(--primary);
}
.tool-opt:has(input:focus-visible) { outline: 3px solid var(--focus-ring, var(--primary)); outline-offset: 2px; }
.tool-opt:active { scale: var(--press-scale, 0.98); }

/* Chip compacto (plazos, días, filtros) */
.tool-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tool-chip { position: relative; display: inline-flex; }
.tool-chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.tool-chip span,
button.tool-chip {
  display: inline-flex; align-items: center; justify-content: center;
  min-block-size: 2.75rem; padding: 0.5rem 1rem;
  border: 1.5px solid var(--border); border-radius: var(--radius-pill);
  background: var(--bg); color: var(--text); font: inherit; font-weight: 600; font-size: var(--step--1);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.tool-chip input:checked + span,
button.tool-chip[aria-pressed="true"] { background: var(--primary); border-color: var(--primary); color: var(--primary-contrast); }
.tool-chip input:focus-visible + span,
button.tool-chip:focus-visible { outline: 3px solid var(--focus-ring, var(--primary)); outline-offset: 2px; }

/* Entradas de texto/número propias de las herramientas */
.tool__input {
  inline-size: 100%;
  min-block-size: 3rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.tool__input:focus-visible { border-color: var(--primary); outline: 3px solid color-mix(in oklch, var(--primary) 30%, transparent); outline-offset: 1px; }
.tool input[type="range"] { inline-size: 100%; accent-color: var(--primary); min-block-size: 2.75rem; }

/* Resultado */
.tool__result {
  display: grid;
  gap: 0.5rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border-radius: var(--radius);
  background: color-mix(in oklch, var(--primary) 7%, var(--bg));
  border: 1px solid color-mix(in oklch, var(--primary) 25%, var(--border));
}
.tool__result[hidden] { display: none; }
.tool__figure { font-family: var(--font-display); font-size: var(--step-3); font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.tool__muted, .tool__fine { color: var(--text-muted); font-size: var(--step--1); }
.tool__error { color: var(--bad); font-size: var(--step--1); min-block-size: 1.2em; }

.tool__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.tool__actions .btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }

/* Lead prellenado */
.tool__lead { display: grid; gap: 0.75rem; padding-block-start: var(--tool-gap); border-block-start: 1px dashed var(--border); }
.tool__lead[hidden] { display: none; }
.tool__lead-title { font-size: var(--step-1); }
.tool__lead-title:focus { outline: none; }
.tool__lead-title:focus-visible { outline: 3px solid var(--focus-ring, var(--primary)); outline-offset: 4px; }
.tool__lead-summary { white-space: pre-line; color: var(--text-muted); font-size: var(--step--1); }
.tool__lead-form { display: grid; gap: 0.9rem; }
.tool__lead-grid { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); }
.tool__lead-form .form-status:empty { display: none; }
.tool__submit { justify-self: start; }
.tool__alt { font-size: var(--step--1); color: var(--text-muted); }
.tool__alt a { color: var(--primary-text); font-weight: 600; }
.tool__hp, .tool__lead-form .hp-field { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Mejora progresiva: [data-js] solo con JS (tool-core quita hidden); [data-nojs] solo sin JS */
.tool [hidden] { display: none !important; }
.tool[data-tool-example]::before {
  content: "EJEMPLO / EXAMPLE DATA";
  justify-self: start;
  font: 600 0.7rem/1 var(--font-mono);
  letter-spacing: 0.08em;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--warn);
  color: var(--ink-900, #111);
}

@media (prefers-reduced-motion: reduce) {
  .tool-opt, .tool-chip span, button.tool-chip { transition: none; }
  .tool-opt:active { scale: 1; }
}