/* public-assets/nav.css */
/* =====================
   ISAB Navigation (nav.html)
   Scoped to #navbar to win specificity battles.
   2-level dropdowns (checkbox-driven),
   language flags right-aligned.
   ===================== */

/* ---------- Main nav row ---------- */
#navbar #mainnav{
  display:flex;
  flex-direction:row;
  align-items:center;
  gap:1.2rem;
  padding:14px 6%;
  flex-wrap:wrap;

  direction:ltr;
  writing-mode:horizontal-tb;
}

/* Links in nav */
#navbar #mainnav a{
  text-decoration:none;
  color:#0b7ef4;
  font-weight:700;
  white-space:nowrap;
}
#navbar #mainnav a:hover{ text-decoration:underline; }

/* Brand */
#navbar #mainnav .brand{
  display:flex;
  align-items:center;
  margin-right:.25rem;
}
#navbar #mainnav .brand-logo{
  height:24px;
  width:auto;
  display:block;
}

/* Dropdown wrappers */
#navbar #mainnav .nav-dropdown,
#navbar #mainnav .nav-subdropdown{
  position:relative;
  display:inline-flex;
  align-items:center;
}

/* Hide checkbox toggles */
#navbar #mainnav input.nav-toggle{
  position:absolute !important;
  opacity:0 !important;
  pointer-events:none !important;
  width:1px !important;
  height:1px !important;
  margin:0 !important;
  padding:0 !important;
}

/* Level 1 trigger label */
#navbar #mainnav .nav-dropbtn{
  cursor:pointer;
  font:inherit;
  font-weight:700;
  color:#0b7ef4;
  user-select:none;
}
#navbar #mainnav .nav-dropbtn:hover{ text-decoration:underline; }

/* Panels base */
#navbar #mainnav .nav-dropdown-content,
#navbar #mainnav .nav-subdropdown-content{
  display:none;
  background:#fff;
  border:1px solid #ddd;
  border-radius:10px;
  padding:8px;
  box-shadow:0 8px 24px rgba(0,0,0,0.12);
  z-index:1000;
}

/* Level 1 panel positioning */
#navbar #mainnav .nav-dropdown-content{
  position:absolute;
  top:100%;
  left:0;
  margin-top:6px;
  min-width:260px;
}

/* Open level 1 */
#navbar #mainnav .nav-dropdown > input.nav-toggle:checked ~ .nav-dropdown-content{
  display:block;
}

/* Menu items (shared) */
#navbar #mainnav .nav-dropdown-content a,
#navbar #mainnav .nav-subdropdown-content a{
  display:flex;
  align-items:center;
  gap:.55rem;
  padding:8px 10px;
  border-radius:8px;
  font-weight:700;
  color:#0b7ef4;
}
#navbar #mainnav .nav-dropdown-content a:hover,
#navbar #mainnav .nav-subdropdown-content a:hover{
  background:#f4f6f8;
  text-decoration:none;
}

/* Harden flag sizing against any global img rules */
#navbar #mainnav img.nav-flag{
  width:21px !important;
  height:16px !important;
  max-width:none !important;
  display:block;
  border-radius:3px;
  box-shadow:0 0 0 1px rgba(0,0,0,0.12);
}
#navbar #mainnav img.nav-flag-top{
  width:26px !important;
  height:20px !important;
  max-width:none !important;
  display:inline-block;
  vertical-align:middle;
  border-radius:3px;
  box-shadow:0 0 0 1px rgba(0,0,0,0.12);
}

/* Current language */
#navbar #mainnav .nav-dropdown-content a.is-active-lang{
  text-decoration:underline;
}

/* Language selector to far right */
#navbar #mainnav .nav-lang{
  margin-left:auto;
}

/* Flag-row button */
#navbar #mainnav .nav-langbtn{
  display:inline-flex;
  flex-direction:row;
  align-items:center;
  gap:6px;
  white-space:nowrap;
  padding:6px 10px;
  border-radius:10px;
}
#navbar #mainnav .nav-langbtn:hover{
  text-decoration:none;
  background:rgba(0,0,0,0.05);
}

/* Language dropdown panel right-aligned */
#navbar #mainnav .nav-lang .nav-dropdown-content{
  min-width:200px;
  left:auto;
  right:0;
}

/* ---------- 2nd-level submenu ---------- */
#navbar #mainnav .nav-subdropbtn{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:8px 10px;
  border-radius:8px;
  font-weight:700;
  color:#0b7ef4;
  cursor:pointer;
  user-select:none;
}
#navbar #mainnav .nav-subdropbtn:hover{
  background:#f4f6f8;
  text-decoration:none;
}
#navbar #mainnav .nav-subdropbtn::after{
  content:"  ▸";
  font-size:26px;
  line-height:1;
  opacity:.6;
  margin-left:10px;   /* ← move chevron to the right */
}

/* When submenu is open */
#navbar #mainnav .nav-subdropdown > input.nav-toggle:checked + .nav-subdropbtn::after{
  content:"▾";
}


/* Level 2 flyout positioning */
#navbar #mainnav .nav-subdropdown-content{
  position:absolute;
  top:0;
  left:100%;
  margin-left:8px;
  min-width:260px;
  z-index:1100;
}

/* Open level 2 */
#navbar #mainnav .nav-subdropdown > input.nav-toggle:checked ~ .nav-subdropdown-content{
  display:block;
}

/* Small screens */
@media (max-width: 520px){
  #navbar #mainnav{ gap:.9rem; }
  #navbar #mainnav .nav-dropdown-content{ min-width:220px; }

  /* Render level 2 inline on narrow screens */
  #navbar #mainnav .nav-subdropdown{ display:block; }
  #navbar #mainnav .nav-subdropdown-content{
    position:static;
    margin:6px 0 0 0;
    min-width:220px;
    box-shadow:none;
  }
  #navbar #mainnav .nav-subdropbtn::after{ content:"▾"; }
}