/* ==============================
   Toast, Back to top, Focus rings
============================== */
.toast{
  position: fixed; bottom: 2rem; right: 2rem;
  background: var(--panel); color: var(--neon);
  padding: .6rem 1rem; border-radius: .4rem;
  opacity: 0; pointer-events: none; transition: opacity .4s ease;
}
.toast.show{ opacity: 1; }

.copy-btn{
  margin-left: .4rem;
  border: 1px solid var(--neon);
  background: #0d1612; color: var(--neon);
  border-radius: .3rem; padding: .2rem .4rem; cursor: pointer;
}

/* back to top (support both classes used) */
.back-top,
.back-to-top{
  position: fixed; bottom: 2rem; right: 2rem;
  height: 42px; width: 42px; border-radius: 50%;
  border: 2px solid var(--neon);
  background: #0d1612; color: var(--neon);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.back-top.show, .back-to-top.show{ opacity:1; pointer-events:auto; }

/* Focus rings */
:focus{
  outline: 2px solid var(--neon);
  outline-offset: 2px;
  box-shadow: 0 0 8px var(--neon-weak);
}

/* Light back-to-top */
:root[data-theme="light"] .back-top,
:root[data-theme="light"] .back-to-top{
  background:#ffffffd9; color:var(--accent);
  border:2px solid var(--accent);
  box-shadow:0 0 6px var(--neon-weak2);
}
:root[data-theme="light"] .back-to-top:hover,
:root[data-theme="light"] .back-top:hover{
  background:#ffffff; box-shadow:0 0 12px var(--neon-weak); transform: translateY(-2px);
}

/* ==============================
   Mobile visibility / safety tweaks (minimal)
============================== */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

img, video, canvas, svg, iframe { max-width: 100% !important; height: auto !important; }
html, body { width: 100%; overflow-x: hidden; }
body, p, li, code, pre, a, span, div { overflow-wrap: anywhere; word-break: break-word; }

table { width: 100% !important; border-collapse: collapse; }
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-responsive table { min-width: 600px; }

/* Forms: mobile-only; don't change icon-sized buttons so desktop stays identical */
@media (max-width: 520px) {
  input, select, textarea { font-size: 16px !important; }
  button:not(.icon-btn):not(.icon-link),
  input[type="button"],
  input[type="submit"] { min-height: 44px; padding: 12px 16px; }
}

@media (max-width: 768px) {
  body { font-size: 16px; line-height: 1.6; margin: 0; }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  header, .hero, .banner { height: auto !important; min-height: 0 !important; }
  .carousel, .slides { width: 100% !important; overflow: hidden !important; }
}

pre, code { white-space: pre-wrap; }
iframe, embed { width: 100% !important; }

/* =========================================================
   MOBILE NAV: icons-only + PERFECT horizontal alignment
   - Shared height for all three pieces via --bar-h
   - NAV stretches between side groups using --nav-left/--nav-right (from JS)
   - Even gap with --nav-gap
========================================================= */
@media (max-width: 520px) {
  :root {
    --bar-h: 34px;     /* total target bar height */
    --nav-gap: 8px;    /* equal gap between nav and side button groups */
    --nav-left: 72px;  /* fallbacks; overridden by nav-controls.js */
    --nav-right: 96px;
  }

  /* === LEFT GROUP (socials) === */
  .social-controls{
    top: 1rem !important;
    /* keep existing left calc from nav.css; do not override left/right */
    display: inline-flex !important;
    align-items: center !important;
    gap: .6rem !important;
    z-index: 1001 !important;
  }
  .social-controls .icon-btn{
    width: var(--bar-h) !important;
    height: var(--bar-h) !important;
    padding: 0 !important;
    display: inline-flex; align-items: center; justify-content: center;
  }

  /* === RIGHT GROUP (theme + language) === */
  .page-controls{
    top: 1rem !important;
    /* keep existing right calc from nav.css; do not override left/right */
    display: inline-flex !important;
    align-items: center !important;
    gap: .6rem !important;
    z-index: 1001 !important;
  }
  .page-controls .icon-btn{
    width: var(--bar-h) !important;
    height: var(--bar-h) !important;
    padding: 0 !important;
    display: inline-flex; align-items: center; justify-content: center;
  }
  .select-wrap{ height: var(--bar-h) !important; }
  .lang-select{
    height: var(--bar-h) !important;
    line-height: var(--bar-h) !important;
    padding: 0 1.6rem 0 .6rem !important;
    min-width: 0 !important;
    width: 52px !important;
    text-align: center !important;
  }

  /* === NAV (center piece) ===
     - same top as side groups
     - remove vertical padding and use explicit height to match controls
     - center content vertically
     - stretch exactly between side groups with a small gap
  */
  .nav{
    top: 1rem !important;
    left:  calc( max(4%, (100vw - 1080px)/2) + var(--nav-left)  + var(--nav-gap) ) !important;
    right: calc( max(4%, (100vw - 1080px)/2) + var(--nav-right) + var(--nav-gap) ) !important;
    transform: none !important;

    height: var(--bar-h) !important;     /* match the controls exactly */
    padding: 0 .6rem !important;         /* no vertical padding */
    display: flex !important;
    align-items: center !important;      /* perfect vertical centering */
    justify-content: center !important;

    width: auto !important;
    max-width: none !important;
    margin: 0 !important;
    z-index: 1000 !important;            /* just under side groups to avoid hitbox clashes */
  }

  .nav__bar{
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 1rem !important;
  }

  /* Icons-only navbar (text visually hidden, icons keep layout) */
  .menu{
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-wrap: nowrap !important;        /* single line of icons */
    gap: .32rem !important;
  }
  .menu a{
    height: 100% !important;
    display: inline-flex !important;
    align-items: center !important;
    padding: 0 .48rem !important;
  }
  .menu a i{ margin-right: 0 !important; }
  .menu a span{
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }
}

/* Ultra-narrow phones: tiny spacing tweak */
@media (max-width: 360px){
  .menu a { padding: 0 .42rem !important; }
}