.decade-onboarding {
  width: min(760px, calc(100vw - 28px));
  max-height: min(88vh, 820px);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
}

.decade-onboarding::backdrop {
  background: rgba(20,20,20,.72);
  backdrop-filter: blur(8px);
}

.onboarding-shell {
  position: relative;
  overflow-y: auto;
  max-height: min(88vh, 820px);
  padding: 30px;
  background: var(--paper-2);
  border-top: 10px solid var(--red);
  box-shadow: 0 30px 90px rgba(0,0,0,.28);
}

.onboarding-close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 34px;
  height: 34px;
  background: var(--ink);
  color: var(--cream);
  font-size: 20px;
  line-height: 1;
}

.onboarding-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--red);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .22em;
}

.onboarding-head {
  padding-right: 48px;
}

.onboarding-head h2 {
  margin-bottom: 10px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.05;
  letter-spacing: .03em;
}

.onboarding-head p {
  max-width: 52ch;
  font-family: var(--serif);
  font-size: 16px;
}

.onboarding-age {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 20px;
  align-items: end;
  margin: 28px 0 24px;
  padding: 18px 20px;
  background: var(--cream);
  border-left: 6px solid var(--yellow);
}

.onboarding-age label {
  align-self: center;
  font-weight: 900;
}

.onboarding-age label small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.onboarding-age > div {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.onboarding-age input {
  width: 88px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 24px;
  font-weight: 900;
  text-align: center;
}

.onboarding-age p {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11px;
}

.onboarding-focus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  border: 0;
}

.onboarding-focus legend {
  grid-column: 1 / -1;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .1em;
}

.onboarding-focus label {
  position: relative;
  display: block;
  cursor: pointer;
}

.onboarding-focus input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.onboarding-focus span {
  display: block;
  min-height: 112px;
  padding: 18px;
  background: var(--cream);
  border: 2px solid transparent;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.onboarding-focus b,
.onboarding-focus small {
  display: block;
}

.onboarding-focus b {
  margin-bottom: 7px;
  font-size: 18px;
}

.onboarding-focus small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.onboarding-focus label:hover span {
  transform: translateY(-2px);
  border-color: var(--red);
}

.onboarding-focus input:checked + span {
  background: var(--yellow);
  border-color: var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
}

.onboarding-focus input:focus-visible + span {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.onboarding-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.onboarding-skip,
.onboarding-start {
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .06em;
}

.onboarding-skip {
  background: var(--cream);
  border: 1px solid var(--line);
}

.onboarding-start {
  background: var(--red);
  color: #fff;
}

.onboarding-privacy {
  margin-top: 12px;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

.dashboard-hero-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: stretch;
  gap: 8px;
}

.dashboard-profile {
  align-self: stretch;
  padding: 10px 13px;
  border: 1px solid rgba(244,239,230,.3);
  color: var(--cream);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  white-space: nowrap;
}

.dashboard-profile:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

/* Shared interaction language for the enhancement modules. */
.chapter-control,
.global-search-btn,
.dashboard-timeline,
.dashboard-profile,
.timeline-add,
.jam-pick,
.primary,
.import-button,
.mobile-menu-btn,
.onboarding-skip,
.onboarding-start,
.continue-card button {
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease, background .14s ease, color .14s ease;
}

.chapter-control:hover,
.global-search-btn:hover,
.dashboard-timeline:hover,
.dashboard-profile:hover,
.timeline-add:hover,
.jam-pick:hover,
.primary:hover,
.import-button:hover,
.mobile-menu-btn:hover,
.onboarding-skip:hover,
.onboarding-start:hover,
.continue-card button:hover {
  transform: translateY(-2px);
}

@media (max-width: 680px) {
  .onboarding-shell {
    padding: 24px 18px 20px;
  }

  .onboarding-head {
    padding-right: 36px;
  }

  .onboarding-focus {
    grid-template-columns: 1fr;
  }

  .onboarding-age {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .onboarding-age p {
    grid-column: auto;
  }

  .onboarding-actions {
    flex-direction: column-reverse;
  }

  .onboarding-actions button {
    width: 100%;
  }

  .onboarding-privacy {
    text-align: left;
  }

  .dashboard-hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .dashboard-profile,
  .dashboard-hero-actions .dashboard-timeline {
    width: 100%;
  }
}