/*
 * Layout global du site.
 *
 * Ce fichier gere le shell persistant : conteneur principal, message sans JS,
 * navbar sticky, menu burger mobile, switcher de langue et footer.
 */
.site-shell {
  position: relative;
  z-index: 1;
}

.no-js-fallback {
  position: relative;
  z-index: 30;
  display: grid;
  min-height: 100vh;
  padding: var(--space-6);
  place-items: center;
}

.no-js-fallback__panel {
  width: min(100%, 720px);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(10, 15, 22, 0.94), rgba(5, 8, 12, 0.92)),
    var(--color-surface);
  box-shadow: var(--shadow-cyan-sm);
}

.no-js-fallback__kicker {
  margin: 0 0 var(--space-3);
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.no-js-fallback__title {
  margin: 0 0 var(--space-4);
  color: var(--color-text-strong);
  font-family: var(--font-title);
  font-size: clamp(1.65rem, 6vw, 3rem);
  line-height: 1.04;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.no-js-fallback__text {
  margin: 0;
  color: var(--color-text-soft);
  line-height: 1.75;
}

.no-js-fallback__text + .no-js-fallback__text {
  margin-top: var(--space-3);
}

.no-js-fallback__text--en {
  color: var(--color-text-dim);
}

.site-header,
.site-main,
.site-footer {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding-inline: var(--space-6);
}

.site-header {
  padding-top: 264px;
}

html[data-view-mode="app"] {
  --sticky-nav-offset: 104px;
  --sticky-nav-offset-mobile: 104px;
}

html[data-view-mode="app"] .site-header {
  padding-top: 96px;
}

.site-main {
  padding-bottom: var(--space-16);
}

.site-footer {
  padding-bottom: var(--space-8);
}

.header-panel,
.footer-panel,
.sticky-nav-bar,
.mobile-nav-panel {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(10, 15, 22, 0.92), rgba(5, 8, 12, 0.9));
  backdrop-filter: blur(14px);
}

.header-panel {
  padding: var(--space-6);
}

.header-panel--compact {
  padding: var(--space-5) var(--space-6);
}

.sticky-nav-shell {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 20;
  width: min(100%, var(--content-width));
  padding: var(--space-4) var(--space-6) 0;
  transform: translateX(-50%);
  pointer-events: none;
}

.sticky-nav-bar,
.mobile-nav-panel {
  pointer-events: auto;
}

.sticky-nav-shell .updates-ticker {
  pointer-events: auto;
  width: min(60%, 680px);
  margin: var(--space-3) auto var(--space-4);
}

.sticky-nav-bar {
  display: grid;
  gap: var(--space-4);
  padding: 1rem 1.35rem 1.15rem;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
}

.sticky-nav-bar__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.sticky-nav-bar__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.sticky-nav-bar__brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.sticky-nav-bar__brand-main,
.sticky-nav-bar__brand-accent {
  font-family: var(--font-title);
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sticky-nav-bar__brand-main {
  color: var(--color-text-strong);
}

.sticky-nav-bar__brand-accent {
  color: var(--color-green);
}

.sticky-nav-bar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav-auth-preview {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: nowrap;
  justify-content: flex-end;
}

.nav-auth-preview__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 13px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 255, 65, 0.12);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.82;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.nav-auth-preview__button--ghost {
  background: rgba(8, 14, 20, 0.9);
  color: var(--color-text-soft);
}

.nav-auth-preview__button--primary {
  background: linear-gradient(90deg, rgba(0, 255, 65, 0.1), rgba(0, 212, 255, 0.1));
  color: var(--color-text-strong);
}

.mobile-nav-panel__auth {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(0, 255, 65, 0.08);
}

.mobile-nav-panel {
  margin-top: var(--space-3);
  padding: var(--space-4);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
  overflow-x: hidden;
  overflow-y: auto;
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 220ms ease,
    transform 220ms ease,
    max-height 260ms ease,
    margin-top 220ms ease,
    padding-top 220ms ease,
    padding-bottom 220ms ease,
    border-color 220ms ease;
  max-height: calc(100vh - 140px);
}

.mobile-nav-panel[hidden] {
  display: block;
  opacity: 0;
  transform: translateY(-10px);
  max-height: 0;
  margin-top: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-color: transparent;
  pointer-events: none;
}

.nav-burger {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(0, 255, 65, 0.18);
  border-radius: 999px;
  background: rgba(4, 11, 18, 0.72);
  cursor: pointer;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.nav-burger:hover {
  border-color: rgba(0, 255, 65, 0.42);
  box-shadow: var(--shadow-green-sm);
  transform: translateY(-1px);
}

.nav-burger__line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text-strong);
}

/*
  Mode app : utilise par Impro Labz et reutilisable plus tard pour les jeux.
  La navbar devient une barre fine avec burger, meme sur desktop.
*/
html[data-view-mode="app"] .sticky-nav-shell {
  padding-top: var(--space-3);
}

html[data-view-mode="app"] .sticky-nav-bar {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 18px;
}

html[data-view-mode="app"] .sticky-nav-bar__top {
  min-height: 48px;
}

html[data-view-mode="app"] .primary-nav--desktop {
  display: none;
}

html[data-view-mode="app"] .sticky-nav-bar__actions > .nav-auth-preview,
html[data-view-mode="app"] .language-switcher__label {
  display: none;
}

html[data-view-mode="app"] .nav-burger {
  display: inline-flex;
  width: 44px;
  height: 44px;
}

html[data-view-mode="app"] .sticky-nav-bar__brand-main,
html[data-view-mode="app"] .sticky-nav-bar__brand-accent {
  font-size: 1.05rem;
}

html[data-view-mode="app"] .sticky-nav-shell .updates-ticker,
html[data-ticker-mode="hidden"] .sticky-nav-shell .updates-ticker {
  display: none;
}

html[data-view-mode="app"] .language-switcher {
  padding-left: 0;
  border-left: 0;
}

html[data-view-mode="app"] .language-switcher__button {
  min-width: 38px;
  padding: 0.46rem 0.54rem;
}

html[data-view-mode="app"] .mobile-nav-panel {
  max-height: calc(100vh - 92px);
}

html[data-view-mode="app"] .primary-nav__list--mobile {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-2);
}

html[data-view-mode="app"] .mobile-nav-panel__auth .nav-auth-preview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

html[data-view-mode="app"] .mobile-nav-panel__auth .nav-auth-preview__button {
  width: 100%;
}

/* Auth pages : ticker masqué, nav burger uniquement */
html[data-page-type="auth"] .sticky-nav-bar {
  display: block;
}

html[data-page-type="auth"] .primary-nav--desktop {
  display: none;
}

html[data-page-type="auth"] .sticky-nav-shell .updates-ticker {
  display: none;
}

html[data-page-type="auth"] .nav-burger {
  display: inline-flex;
}

html[data-page-type="auth"] .site-header {
  padding-top: 92px;
}

html[data-view-mode="game"] .site-header,
html[data-view-mode="game"] .site-footer {
  display: none;
}

html[data-view-mode="game"] .site-main {
  width: 100%;
  max-width: none;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 0;
}

html[data-view-mode="game"] .site-shell {
  min-height: 100vh;
  min-height: 100dvh;
}

.footer-panel {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
  padding: var(--space-5) var(--space-6);
}

.header-topbar,
.header-hero {
  display: flex;
}

.header-topbar {
  justify-content: space-between;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-4);
}

.header-hero {
  justify-content: flex-start;
  gap: var(--space-6);
  align-items: flex-start;
}

.header-copy {
  max-width: 720px;
}

.header-copy--compact {
  display: grid;
  gap: var(--space-3);
  max-width: 760px;
}

.header-hero--compact {
  align-items: stretch;
}

.header-lead {
  display: grid;
  gap: var(--space-2);
  max-width: 62ch;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-left: var(--space-3);
  border-left: 1px solid rgba(0, 255, 65, 0.08);
}

.language-switcher__label {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  white-space: nowrap;
}

.language-switcher__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.language-switcher__button {
  min-width: 44px;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(0, 255, 65, 0.18);
  border-radius: 999px;
  background: rgba(4, 11, 18, 0.72);
  color: var(--color-text-soft);
  font: inherit;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.language-switcher__button:hover {
  color: var(--color-text-strong);
  border-color: rgba(0, 255, 65, 0.42);
  box-shadow: var(--shadow-green-sm);
  transform: translateY(-1px);
}

.language-switcher__button--active {
  color: var(--color-bg);
  background: linear-gradient(135deg, rgba(0, 255, 65, 0.92), rgba(125, 255, 92, 0.92));
  border-color: rgba(125, 255, 92, 0.78);
  box-shadow: var(--shadow-green-sm);
}

.primary-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.primary-nav--desktop {
  display: flex;
  justify-content: center;
  width: 100%;
}

.footer-meta {
  max-width: 320px;
}

.footer-columns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.footer-group {
  min-width: 180px;
}

@media (max-width: 860px) {
  html {
    scroll-padding-top: var(--sticky-nav-offset-mobile);
  }

  .footer-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-header {
    padding-top: 204px;
  }

  .sticky-nav-bar {
    padding: 0.9rem 1rem;
  }

  .primary-nav--desktop {
    display: none;
  }

  .sticky-nav-bar__top {
    gap: var(--space-3);
  }

  .sticky-nav-bar__actions {
    gap: var(--space-3);
  }

  .sticky-nav-bar__actions .nav-auth-preview {
    display: none;
  }

  .nav-burger {
    display: inline-flex;
  }

  .language-switcher__label {
    display: none;
  }

  .primary-nav__list--mobile {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .mobile-nav-panel__auth .nav-auth-preview {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
    justify-content: stretch;
  }

  .mobile-nav-panel__auth .nav-auth-preview__button {
    width: 100%;
  }
}

@media (max-width: 600px) {
  #app,
  .page,
  .animation-showcase__player-panel,
  .sagaz-player-panel {
    scroll-margin-top: var(--sticky-nav-offset-mobile);
  }

  .site-header,
  .site-main,
  .site-footer {
    padding-inline: var(--space-4);
  }

  .site-header {
    padding-top: 196px;
  }

  .sticky-nav-shell .updates-ticker {
    width: 92%;
  }

  .header-panel,
  .footer-panel,
  .mobile-nav-panel {
    padding: var(--space-4);
  }

  .header-topbar {
    align-items: flex-start;
    margin-bottom: var(--space-3);
  }

  .sticky-nav-shell {
    padding: var(--space-3) var(--space-4) 0;
  }

  .sticky-nav-bar {
    gap: var(--space-3);
  }

  .sticky-nav-bar__top {
    align-items: center;
  }

  .sticky-nav-bar__brand-main,
  .sticky-nav-bar__brand-accent {
    font-size: 1rem;
  }

  .sticky-nav-bar__actions {
    gap: var(--space-2);
  }

  .sticky-nav-bar__top {
    gap: var(--space-2);
  }

  .nav-auth-preview__button {
    min-height: 36px;
    padding: 0 12px;
    font-size: 0.68rem;
  }

  .primary-nav__link {
    justify-content: center;
    width: 100%;
    min-height: 42px;
    padding: 0.65rem 0.75rem;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
  }

  .language-switcher__button {
    min-width: 36px;
    padding: 0.45rem 0.5rem;
  }

  .primary-nav__list--mobile {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}