/* Topbar, footer et menu de langues, communs à toutes les pages (HTML dans topbar.html et footer.html).
   Les variables de couleurs et de polices sont dans global.css. */

:root {
  /* ===== Réglages de la taille du footer ===== */
  --footer-padding: 22px;      /* espace en haut et en bas du footer   */
  --footer-gap: 12px;          /* espace entre logo / icônes / texte    */
  --footer-logo-height: 26px;  /* hauteur du logo                       */
  --social-size: 40px;         /* taille des boutons réseaux sociaux    */
  --social-icon: 20px;         /* taille des icônes dans ces boutons    */
}

/* Emplacement réservé tant que layout.js n'a pas inséré la topbar (évite le saut de mise en page) */
#site-topbar { min-height: var(--topbar); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 10, 36, 0.75);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--topbar);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font: 600 15px var(--font-display);
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  height: 26px;
  width: auto;
}

.brand span {
  padding-left: 12px;
  border-left: 1px solid var(--border);
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-link {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: var(--surface-strong);
  text-decoration: none;
}

.dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.dropdown-toggle {
  display: none;
}

.dropdown-menu,
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  min-width: 220px;
  padding: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
}

.dropdown-menu {
  left: 0;
}

.dropdown-menu::before {
  content: "";
  position: absolute;
  inset: -10px 0 auto;
  height: 10px;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu,
.lang.open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.dropdown-menu a {
  display: flex;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}

.dropdown-menu a:hover,
.dropdown-menu a[aria-current] {
  background: var(--surface-strong);
  text-decoration: none;
}

.lang {
  position: relative;
}

.lang-toggle,
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  min-width: 48px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font: 600 13px var(--font);
  letter-spacing: 0.04em;
  cursor: pointer;
}

.lang-toggle:hover,
.menu-toggle:hover {
  background: var(--surface-strong);
}

.lang-menu {
  right: 0;
  min-width: 180px;
}

.menu-toggle {
  display: none;
  margin-left: auto;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s, background 0.2s;
}

.menu-toggle span {
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle span::before {
  top: -5px;
}

.menu-toggle span::after {
  top: 5px;
}

.menu-toggle[aria-expanded="true"] span {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] span::before {
  transform: translateY(5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span::after {
  transform: translateY(-5px) rotate(-45deg);
}

@media (max-width: 960px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--topbar) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    max-height: calc(100vh - var(--topbar));
    overflow-y: auto;
    padding: 12px 16px 20px;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
  }

  .nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px;
  }

  .dropdown {
    flex-wrap: wrap;
  }

  .dropdown .nav-link {
    flex: 1;
  }

  .dropdown-toggle {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: 0;
    border-radius: var(--radius-sm);
    color: var(--muted);
    cursor: pointer;
  }

  .dropdown-toggle::before {
    content: "";
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.2s;
  }

  .dropdown.open .dropdown-toggle::before {
    transform: translateY(2px) rotate(-135deg);
  }

  .dropdown-menu {
    position: static;
    display: none;
    width: 100%;
    padding: 0 0 8px 12px;
    background: none;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .dropdown.open .dropdown-menu {
    display: block;
  }

  .dropdown-menu a {
    padding: 10px 12px;
    color: var(--muted);
  }
}

/* Socials */

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.socials a {
  display: grid;
  place-items: center;
  width: var(--social-size);
  height: var(--social-size);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: background 0.2s, transform 0.2s;
}

.socials a:hover {
  background: rgba(92, 124, 255, 0.18);
  transform: translateY(-2px);
}

.socials img {
  width: var(--social-icon);
  height: var(--social-icon);
  object-fit: contain;
}

/* Footer */

.footer {
  padding: var(--footer-padding) 0;
  padding-bottom: 10px;
  background: rgba(0, 0, 0, 0.18);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--footer-gap);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.footer-inner p {
  margin: 0;
  line-height: 1.3;
}

.footer-logo {
  height: var(--footer-logo-height);
  width: auto;
  opacity: 0.85;
}


/* Sélecteur de langue : bulle fermée, panneau avec recherche une fois ouvert */
.lang-menu {
  width: 340px;
  max-width: calc(100vw - 32px);
  padding: 10px;
}

.lang-search {
  display: block;
  width: 100%;
  height: 40px;
  margin: 0 0 8px;
  padding: 0 14px 0 38px;
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23a3a9d1' stroke-width='2' stroke-linecap='round' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat 13px center;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font: 400 14px var(--font);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.lang-search::placeholder { color: var(--muted); }
.lang-search:focus { border-color: var(--accent); background-color: var(--surface-strong); }
.lang-search::-webkit-search-cancel-button { display: none; }

.lang-list {
  max-height: min(340px, 55vh);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-strong) transparent;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: 0;
  border-radius: 8px;
  color: var(--text);
  font: 400 14px var(--font);
  text-align: left;
  cursor: pointer;
}
.lang-option b {
  flex: none;
  min-width: 64px;
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
  letter-spacing: 0.04em;
}
.lang-option > span {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lang-option small {
  flex: 0 1 auto;
  max-width: 46%;
  padding-left: 8px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lang-option[aria-selected="true"] small { margin-right: 4px; }
.lang-option:hover,
.lang-option.focus { background: var(--surface-strong); }
.lang-option[aria-selected="true"] { color: var(--accent-light); }
.lang-option[aria-selected="true"]::after {
  content: "";
  margin-left: 8px;
  flex: none;
  width: 6px; height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
}

.lang-empty { padding: 14px 12px; color: var(--muted); font-size: 14px; }