/* Assistant d'étapes Stack3D.
   Réutilise les variables du site (--accent1, --cream, --text, --font-*).
   Sans JavaScript, rien ici ne masque les champs : le formulaire reste une page. */

.msf-progress-wrap { margin: 0 0 1rem; }
.msf-progress-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
.msf-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.msf-progress-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--border2);
  background: var(--white);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}
.msf-progress-btn[aria-current="step"] {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
}
.msf-progress-btn.is-done {
  background: var(--accent1-light);
  color: var(--accent1);
  border-color: var(--accent1);
}
.msf-progress-btn:focus-visible {
  outline: 2px solid var(--accent1);
  outline-offset: 3px;
}

.msf-fieldset { border: 0; margin: 0 0 1rem; padding: 0; min-inline-size: 0; }
.msf-legend, .msf-fieldset > legend.msf-legend {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 600;
  padding: 0;
  margin-bottom: 0.6rem;
}

.opt-btn { position: relative; }
.opt-btn .opt-card-input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.opt-btn:focus-within {
  outline: 2px solid var(--accent1);
  outline-offset: 3px;
}
.opt-btn:has(input:checked) {
  border-color: var(--accent1);
  background: var(--accent1-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}
.msf-panel .commande-step-title { margin: 0 0 1rem; }
.opt-btn-lg {
  min-height: 118px;
  padding: 1.25rem 1.2rem;
  justify-content: center;
}
.opt-btn-lg .opt-btn-title { font-size: 1.05rem; }
.form-group.is-match {
  border-left: 3px solid var(--accent1);
  padding-left: 0.85rem;
}

.msf-error:empty { display: none; }
.msf-error {
  color: #ef4444;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.45;
  margin-top: 0.9rem;
}

.msf-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-top: 0.9rem;
}
.msf-back, .msf-skip {
  background: var(--white);
  color: var(--text);
  border: 1.5px solid var(--border2);
  border-radius: 100px;
  padding: 0.95rem 1.3rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}
.msf-back:hover, .msf-skip:hover { border-color: var(--accent1); color: var(--accent1); }
.msf-back:focus-visible, .msf-skip:focus-visible, .msf-nav .form-submit:focus-visible {
  outline: 2px solid var(--accent1);
  outline-offset: 3px;
}
.msf-nav .form-submit { width: auto; flex: 1; min-width: 12rem; }

.msf-active .msf-stage { position: relative; overflow: hidden; max-width: 100%; }
.msf-active .msf-stage-track { display: block; }
.msf-active .msf-stage-pane {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  transition: transform 0.35s ease;
}
.msf-active .msf-stage-pane[data-msf-pane="details"] { transform: translateX(100%); }
.msf-active .msf-stage.is-details .msf-stage-pane[data-msf-pane="choices"] { transform: translateX(-100%); }
.msf-active .msf-stage.is-details .msf-stage-pane[data-msf-pane="details"] { transform: translateX(0); }
.msf-active [data-msf-step] { display: none; }
.msf-active [data-msf-step].is-current { display: block; }
.msf-active .msf-panel { display: none; }
.msf-active .msf-panel.is-active { display: block; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 600px) {
  .opt-btn-lg { min-height: 0; }
  .msf-nav { flex-direction: column; align-items: stretch; }
  .msf-nav .form-submit, .msf-back, .msf-skip { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .msf-active .msf-stage-pane,
  .msf-back, .msf-skip, .msf-nav .form-submit, .msf-progress-btn { transition: none; }
}