:root {
  --xwhat-nav-gap: 1rem;
}

#shared-nav {
  gap: var(--xwhat-nav-gap);
  flex-wrap: wrap;
}

#shared-nav .nav-links {
  flex: 1 1 auto;
  align-items: center;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
}

.xwhat-wordmark {
  display: inline-flex;
  align-items: center;
}

.xwhat-wordmark img {
  height: 32px;
  width: auto;
  display: block;
}

.xwhat-utility {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  justify-content: flex-end;
}

.xwhat-utility--nav {
  margin-left: auto;
}

.xwhat-utility--toolbar,
.xwhat-utility--results {
  justify-content: flex-start;
}

.xwhat-howto-btn {
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.xwhat-howto-btn:hover,
.xwhat-howto-btn:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.xwhat-lang-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.xwhat-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font: inherit;
  font-size: 0.84rem;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.xwhat-lang-btn:hover,
.xwhat-lang-btn:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(153, 246, 228, 0.85);
  transform: translateY(-1px);
}

.xwhat-lang-btn[aria-pressed="true"] {
  background: rgba(13, 148, 136, 0.28);
  border-color: #99f6e4;
  color: #fff;
}

.xwhat-lang-symbol {
  font-size: 0.95rem;
}

.xwhat-toolbar-slot,
.xwhat-results-slot {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.xwhat-toolbar-slot .xwhat-howto-btn,
.xwhat-results-slot .xwhat-howto-btn {
  background: #fff;
  color: var(--navy);
  border-color: var(--border, #dbe4ee);
}

.xwhat-toolbar-slot .xwhat-lang-btn,
.xwhat-results-slot .xwhat-lang-btn {
  background: #fff;
  color: var(--navy);
  border-color: var(--border, #dbe4ee);
}

.xwhat-toolbar-slot .xwhat-lang-btn[aria-pressed="true"],
.xwhat-results-slot .xwhat-lang-btn[aria-pressed="true"] {
  background: var(--teal-bg, #f0fdfa);
  border-color: var(--teal, #0d9488);
}

.xwhat-onboarding-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(15, 37, 64, 0.72);
  z-index: 5000;
}

.xwhat-onboarding-overlay.is-open {
  display: flex;
}

.xwhat-onboarding {
  width: min(760px, 100%);
  max-height: min(88vh, 900px);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 1.1rem;
  background: #fff;
  color: var(--ink, #1e293b);
  border-radius: 20px;
  border: 1px solid rgba(13, 148, 136, 0.2);
  box-shadow: 0 30px 60px rgba(15, 37, 64, 0.28);
  overflow: hidden;
}

.xwhat-onboarding-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.35rem 0 1.35rem;
}

.xwhat-onboarding-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.xwhat-onboarding-brand img {
  height: 30px;
  width: auto;
}

.xwhat-onboarding-close {
  border: none;
  background: transparent;
  color: var(--muted, #64748b);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.25rem;
}

.xwhat-onboarding-intro {
  padding: 0 1.35rem;
}

.xwhat-onboarding-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  background: var(--teal-bg, #f0fdfa);
  color: var(--teal, #0d9488);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.28rem 0.75rem;
}

.xwhat-onboarding-title {
  margin: 0.7rem 0 0.35rem 0;
  color: var(--navy, #1a3a5c);
  font-family: var(--font-serif, "DM Serif Display", serif);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

.xwhat-onboarding-subtitle {
  margin: 0;
  color: var(--muted, #64748b);
}

.xwhat-onboarding-progress {
  display: flex;
  gap: 0.45rem;
  padding: 0 1.35rem;
}

.xwhat-onboarding-dot {
  flex: 1 1 0;
  height: 5px;
  border-radius: 999px;
  background: #dbe4ee;
}

.xwhat-onboarding-dot.is-active {
  background: linear-gradient(90deg, #0d9488, #5eead4);
}

.xwhat-onboarding-body {
  padding: 0 1.35rem;
  overflow: auto;
}

.xwhat-onboarding-step-label {
  color: var(--teal, #0d9488);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.xwhat-onboarding-step-title {
  margin: 0.35rem 0 0.65rem 0;
  color: var(--navy, #1a3a5c);
  font-family: var(--font-serif, "DM Serif Display", serif);
  font-size: 1.45rem;
}

.xwhat-onboarding-step-body {
  color: var(--ink, #1e293b);
}

.xwhat-onboarding-step-body p {
  margin: 0 0 0.85rem 0;
}

.xwhat-onboarding-step-body ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted, #64748b);
}

.xwhat-onboarding-step-body li + li {
  margin-top: 0.45rem;
}

.xwhat-onboarding-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0 1.35rem 1.35rem 1.35rem;
}

.xwhat-onboarding-btn {
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--border, #dbe4ee);
}

.xwhat-onboarding-btn--secondary {
  background: #fff;
  color: var(--navy, #1a3a5c);
}

.xwhat-onboarding-btn--primary {
  background: var(--navy, #1a3a5c);
  color: #fff;
  border-color: var(--navy, #1a3a5c);
}

.xwhat-onboarding-btn--primary.is-finish {
  background: var(--teal, #0d9488);
  border-color: var(--teal, #0d9488);
}

body.xwhat-modal-open {
  overflow: hidden;
}

@media (max-width: 980px) {
  #shared-nav .nav-links {
    justify-content: center;
  }

  .xwhat-utility--nav {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .xwhat-onboarding {
    border-radius: 16px;
  }

  .xwhat-onboarding-header,
  .xwhat-onboarding-intro,
  .xwhat-onboarding-progress,
  .xwhat-onboarding-body,
  .xwhat-onboarding-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .xwhat-onboarding-footer {
    flex-wrap: wrap;
  }

  .xwhat-onboarding-footer > * {
    width: 100%;
  }

  .xwhat-onboarding-btn {
    width: 100%;
  }
}