.formation-page {
  min-height: 100vh;
  padding: 100px 20px 64px;
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(58,181,224,.16), transparent 68%),
    radial-gradient(ellipse 70% 45% at 100% 15%, rgba(245,184,103,.14), transparent 70%),
    #edf3f8;
}

.formation-intro {
  min-width: 0;
  max-width: 920px;
  margin: 0 auto 24px;
  text-align: center;
}

.formation-intro-label {
  color: var(--c-sky-500);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
}

.formation-intro h1 {
  margin: 6px 0 8px;
  color: var(--c-ink-800);
  font-size: clamp(24px, 4vw, 38px);
  word-break: normal;
  overflow-wrap: anywhere;
}

.formation-intro p {
  color: var(--c-ink-400);
  font-size: 13px;
  line-height: 1.8;
  word-break: normal;
  overflow-wrap: anywhere;
}

.formation-guide {
  min-width: 0;
  max-width: 920px;
  margin: 0 auto 20px;
  padding: 14px 18px;
  border: 1px solid var(--c-ink-100);
  border-radius: 16px;
  background: rgba(255,255,255,.86);
  color: var(--c-ink-600);
}

.formation-guide h2 {
  margin: 0 0 8px;
  color: var(--c-ink-800);
  font-size: 15px;
}

.formation-guide ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px 28px;
  margin: 0;
  padding-left: 1.5em;
  font-size: 12px;
  line-height: 1.7;
}

#formation-root {
  width: 100%;
  min-width: 0;
  max-width: 1160px;
  margin: 0 auto;
}

.formation-planner {
  width: 100%;
  min-width: 0;
  max-width: 1120px;
  margin: 0 auto;
  border: 1px solid rgba(210,223,234,.9);
  border-radius: 22px;
  box-shadow: 0 16px 48px rgba(31,79,115,.10);
  box-sizing: border-box;
  overflow: hidden;
}

.formation-planner > div {
  min-width: 0;
  max-width: 100%;
}

.formation-planner button:focus-visible,
.formation-planner input:focus-visible,
.formation-planner select:focus-visible,
.formation-planner textarea:focus-visible {
  outline: 3px solid rgba(46,128,196,.28);
  outline-offset: 2px;
}

.formation-planner button:disabled {
  cursor: not-allowed !important;
  opacity: .45;
}

.formation-snapshot {
  position: fixed !important;
  z-index: 10000;
  inset: 0;
  overflow: hidden;
  height: 100vh !important;
  height: 100dvh !important;
  min-height: 0 !important;
}

.formation-loading,
.formation-noscript {
  padding: 80px 20px;
  border: 1px solid var(--c-ink-100);
  border-radius: 20px;
  background: #fff;
  color: var(--c-ink-400);
  text-align: center;
}

@media (min-width: 900px) {
  .formation-planner { padding: 24px !important; }
}

@media (max-width: 720px) {
  .formation-page { padding: 82px 8px 40px; overflow-x: clip; }
  .formation-intro { padding: 0 10px; margin-bottom: 16px; }
  .formation-intro p { font-size: 12px; }
  .formation-guide { margin: 0 8px 14px; padding: 12px 14px; }
  .formation-guide ol { grid-template-columns: 1fr; }
  .formation-planner { border-radius: 16px; padding: 10px !important; }
  .formation-planner h1 { word-break: normal; overflow-wrap: anywhere; }
}

@media (max-width: 420px) {
  .formation-page { padding-left: 0; padding-right: 0; }
  .formation-intro { padding: 0 14px; }
  .formation-planner { border-left: 0; border-right: 0; border-radius: 0; }
}