/**
 * Help chrome — same product family as beta.kcal.lol (mobile-first).
 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  color: var(--text);
  background: linear-gradient(
    165deg,
    var(--surface-page-from) 0%,
    var(--surface-page-via) 45%,
    var(--surface-page-to) 100%
  );
  line-height: var(--prose, 1.65);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--kcal-orange-700);
}

[data-color-mode="dark"] a {
  color: var(--kcal-orange-400);
}

a:hover {
  color: var(--kcal-ink);
}

[data-color-mode="dark"] a:hover {
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--kcal-btn-focus);
  outline-offset: 2px;
}

/* —— Header —— */
.help-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--surface-paper) 88%, transparent);
  border-bottom: 1px solid var(--border-soft);
}

.help-header__inner {
  width: min(100% - 1.25rem, 52rem);
  margin: 0 auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0;
}

.help-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
  min-width: 0;
}

.help-brand__mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-soft);
}

.help-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.help-brand__name {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.help-brand__sub {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--kcal-orange-600);
}

.help-nav {
  display: none;
  flex: 1;
  gap: 0.15rem;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.help-nav::-webkit-scrollbar {
  display: none;
}

.help-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 650;
  padding: 0.4rem 0.55rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.help-nav a:hover {
  color: var(--text);
  background: var(--surface-inset);
}

.help-nav a[aria-current="page"] {
  color: var(--kcal-orange-700);
  background: var(--kcal-orange-50);
}

[data-color-mode="dark"] .help-nav a[aria-current="page"] {
  color: var(--kcal-orange-400);
  background: rgb(255 122 0 / 0.14);
}

.help-header__tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  height: 2.25rem;
}

.help-icon-btn {
  appearance: none;
  border: 1px solid var(--border-subtle);
  background: var(--surface-paper);
  color: var(--text);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
  padding: 0;
}

.help-icon-btn:hover {
  border-color: var(--kcal-orange-400);
  transform: translateY(-1px);
}

.help-lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.25rem;
  gap: 0.1rem;
  padding: 0 0.2rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--surface-paper);
  box-shadow: var(--shadow-sm);
}

.help-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  height: 1.85rem;
  padding: 0 0.35rem;
  margin: 0;
  border: 0;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  box-shadow: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.help-lang:hover {
  color: var(--text);
  background: var(--surface-inset);
}

.help-lang[aria-current="true"] {
  color: var(--kcal-orange-700);
  background: var(--kcal-orange-50);
}

[data-color-mode="dark"] .help-lang[aria-current="true"] {
  color: var(--kcal-orange-400);
  background: rgb(255 122 0 / 0.16);
}

.help-lang--soon,
.help-lang--muted,
.help-nav__soon {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

.help-nav__soon {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  color: var(--text-muted);
}

.help-nav a {
  transition: background 0.15s ease, color 0.15s ease;
}

/* Mobile nav strip under brand row */
.help-nav-mobile {
  display: flex;
  gap: 0.2rem;
  width: min(100% - 1.25rem, 52rem);
  margin: 0 auto;
  padding: 0 0 0.55rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.help-nav-mobile::-webkit-scrollbar {
  display: none;
}

.help-nav-mobile a,
.help-nav-mobile .help-nav__soon {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 650;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  white-space: nowrap;
  background: transparent;
  transition: background 0.15s ease, color 0.15s ease;
}

.help-nav-mobile a[aria-current="page"] {
  color: var(--kcal-orange-700);
  background: var(--kcal-orange-50);
  border-color: rgb(255 122 0 / 0.35);
}

[data-color-mode="dark"] .help-nav-mobile a[aria-current="page"] {
  color: var(--kcal-orange-400);
  background: rgb(255 122 0 / 0.14);
}

@media (min-width: 900px) {
  .help-nav {
    display: flex;
  }
  .help-nav-mobile {
    display: none;
  }
}

/* —— Main —— */
.help-main {
  width: min(100% - 1.5rem, var(--max));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

/* —— Footer —— */
.help-footer {
  border-top: 1px solid var(--border-soft);
  background: color-mix(in srgb, var(--surface-paper) 92%, transparent);
  padding: 2rem 0 2.5rem;
  margin-top: auto;
}

.help-footer__inner {
  width: min(100% - 1.5rem, 52rem);
  margin: 0 auto;
}

.help-footer__brand {
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.help-footer__tagline {
  margin: 0 0 1.35rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.help-footer__grid {
  display: grid;
  gap: 1.35rem;
  grid-template-columns: 1fr 1fr;
}

@media (min-width: 720px) {
  .help-footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.help-footer__col h3 {
  margin: 0 0 0.55rem;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.help-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.help-footer__col a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.15s ease;
}

.help-footer__col a:hover {
  color: var(--kcal-orange-600);
}

.help-footer__muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.help-footer__meta {
  margin-top: 1.6rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border-soft);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: grid;
  gap: 0.3rem;
}

.help-footer__meta-label {
  font-weight: 650;
  color: var(--text);
  margin-right: 0.25rem;
}

.help-footer__copy {
  margin-top: 0.85rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (prefers-reduced-motion: reduce) {
  .help-icon-btn,
  .help-lang,
  .help-nav a {
    transition: none;
  }
  .help-icon-btn:hover {
    transform: none;
  }
}