*,
*::before,
*::after {
  box-sizing: border-box;
}

body.onboarding-page {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 15%, rgba(0, 139, 94, 0.1), transparent 42%),
    radial-gradient(circle at 88% 88%, rgba(30, 64, 175, 0.08), transparent 36%),
    var(--vt-bg-alt-0);
  color: var(--vt-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.onboarding-stage {
  width: min(560px, calc(100% - 2rem));
  margin: clamp(1.4rem, 4vw, 2.8rem) auto clamp(2rem, 6vw, 4rem);
}

.onboarding-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--vt-border);
  border-radius: 24px;
  box-shadow: var(--vt-shadow-md);
  padding: clamp(1.2rem, 2.8vw, 2rem);
}

.onboarding-eyebrow {
  margin: 0 0 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--vt-accent-strong);
}

.onboarding-card h1 {
  margin: 0 0 1.15rem;
  font-family: 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-size: clamp(1.75rem, 3vw, 2.2rem);
}

.onboarding-mode-switch {
  display: inline-flex;
  border: 1px solid var(--vt-border);
  border-radius: 999px;
  background: #ffffff;
  padding: 0.2rem;
  margin-bottom: 1rem;
}

.onboarding-mode-btn {
  border: 0;
  background: transparent;
  color: var(--vt-text);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}

.onboarding-mode-btn.is-active {
  background: var(--vt-accent-strong);
  color: #ffffff;
}

.onboarding-form {
  display: grid;
  gap: 0.8rem;
}

.onboarding-form[hidden] {
  display: none !important;
}

.onboarding-field {
  display: grid;
  gap: 0.38rem;
}

.onboarding-field span {
  font-size: 0.88rem;
  font-weight: 600;
}

.onboarding-field input {
  width: 100%;
  border: 1px solid var(--vt-border-strong);
  border-radius: 12px;
  padding: 0.72rem 0.78rem;
  font-size: 0.95rem;
  color: var(--vt-text);
  background: #ffffff;
}

.onboarding-field input:focus {
  outline: none;
  border-color: var(--vt-accent);
  box-shadow: 0 0 0 3px rgba(0, 139, 94, 0.18);
}

.onboarding-checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.98rem;
  color: #4b5563;
  line-height: 1.4;
  cursor: pointer;
}

.onboarding-checkbox-field input[type='checkbox'] {
  margin-top: 0.08rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.35rem;
  border: 1px solid var(--vt-border-strong);
  accent-color: var(--vt-accent-strong);
  cursor: pointer;
}

.onboarding-btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.76rem 1.15rem;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.onboarding-btn:hover {
  transform: translateY(-1px);
}

.onboarding-btn:disabled {
  opacity: 0.72;
  cursor: not-allowed;
  transform: none;
}

.onboarding-btn--solid {
  background: var(--vt-accent-strong);
  border-color: var(--vt-accent-strong);
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(0, 122, 83, 0.24);
}

.onboarding-btn--solid:hover {
  background: var(--vt-accent-strong-hover);
  border-color: var(--vt-accent-strong-hover);
}

.onboarding-feedback {
  min-height: 1.2rem;
  margin: 0.8rem 0 0;
  font-size: 0.88rem;
  color: var(--vt-text-muted);
}

.onboarding-feedback[data-state='error'] {
  color: var(--vt-danger);
}

.onboarding-feedback[data-state='success'] {
  color: var(--vt-accent-strong);
}

.onboarding-mode-copy {
  margin: 0.7rem 0 0;
  color: var(--vt-text-muted);
  font-size: 0.9rem;
}

.onboarding-inline-link {
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--vt-accent-strong);
  cursor: pointer;
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

body[data-theme='dark'].onboarding-page .onboarding-card {
  background: var(--vt-surface) !important;
  color: var(--vt-text) !important;
  border-color: var(--vt-border) !important;
}

body[data-theme='dark'].onboarding-page .onboarding-field input {
  background: var(--vt-surface-muted) !important;
  border-color: var(--vt-border-strong) !important;
  color: var(--vt-text) !important;
}

body[data-theme='dark'].onboarding-page .onboarding-field input::placeholder {
  color: var(--vt-text-muted) !important;
  opacity: 1;
}

body[data-theme='dark'].onboarding-page .onboarding-mode-switch {
  background: var(--vt-surface-muted) !important;
  border-color: var(--vt-border) !important;
}

body[data-theme='dark'].onboarding-page .onboarding-mode-btn:not(.is-active) {
  color: var(--vt-text) !important;
}

body[data-theme='dark'].onboarding-page .onboarding-mode-copy,
body[data-theme='dark'].onboarding-page .onboarding-feedback:not([data-state='error']):not([data-state='success']) {
  color: var(--vt-text-muted) !important;
}

body[data-theme='dark'].onboarding-page .onboarding-checkbox-field,
body[data-theme='dark'].onboarding-page .onboarding-field span,
body[data-theme='dark'].onboarding-page .onboarding-card h1 {
  color: var(--vt-text) !important;
}