/* ==========================================================================
   Language Selector Modal (sornaig) - lang.css
   Notes:
   - Uses backdrop-filter to blur background without needing a wrapper.
   - Toggle by removing [hidden] and optionally adding body class 'lang-modal-open'
   ========================================================================== */

:root{
  /* You can later map these to your site's variables if they exist */
  --lang-surface: rgba(18, 18, 20, 0.86);
  --lang-surface-2: rgba(255, 255, 255, 0.06);
  --lang-border: rgba(255, 255, 255, 0.14);
  --lang-text: rgba(255, 255, 255, 0.92);
  --lang-muted: rgba(255, 255, 255, 0.72);
  --lang-shadow: 0 20px 60px rgba(0,0,0,0.45);
  --lang-radius: 18px;
}

/* When modal is open you can add this class on <body> in JS */
body.lang-modal-open{
  overflow: hidden !important;
}

.lang-modal[hidden]{
  display: none !important;
}

.lang-modal{
  position: fixed;
  inset: 0;
  z-index: 2147483000; /* ensure above any existing popup */
  display: grid;
  place-items: center;
  padding: 18px;
  color: var(--lang-text);
  font-family: inherit;
}

/* Backdrop that blurs everything behind */
.lang-modal__backdrop{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Card */
.lang-modal__card{
  position: relative;
  width: min(560px, 100%);
  border-radius: var(--lang-radius);
  background: linear-gradient(180deg, var(--lang-surface), rgba(18, 18, 20, 0.78));
  border: 1px solid var(--lang-border);
  box-shadow: var(--lang-shadow);
  padding: 18px;
  overflow: hidden;
}

/* Subtle glossy layer */
.lang-modal__card::before{
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(800px 200px at 30% 0%, rgba(255,255,255,0.10), transparent 60%);
  pointer-events: none;
}

.lang-modal__header{
  position: relative;
  padding: 10px 10px 6px;
  text-align: center;
}

.lang-modal__badge{
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--lang-surface-2);
  border: 1px solid rgba(255,255,255,0.12);
}

.lang-modal__title{
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1.25;
}

.lang-modal__subtitle{
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--lang-muted);
  line-height: 1.35;
}

/* Options grid */
.lang-modal__options{
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
  padding: 8px;
}

.lang-option{
  appearance: none;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 14px 12px;
  cursor: pointer;
  text-align: center;
  color: var(--lang-text);
  transition: transform .12s ease, background .12s ease, border-color .12s ease, box-shadow .12s ease;
  user-select: none;
}

.lang-option:hover{
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.24);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0,0,0,0.25);
}

.lang-option:active{
  transform: translateY(0);
}

.lang-option:focus{
  outline: none;
}

.lang-option:focus-visible{
  box-shadow: 0 0 0 3px rgba(255,255,255,0.18), 0 10px 22px rgba(0,0,0,0.25);
  border-color: rgba(255,255,255,0.28);
}

.lang-option__top{
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
}

.lang-option__bottom{
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--lang-muted);
  line-height: 1.2;
}

/* Hint line */
.lang-modal__hint{
  position: relative;
  margin-top: 6px;
  padding: 8px 12px 6px;
  text-align: center;
  font-size: 12.5px;
  color: rgba(255,255,255,0.68);
}

.lang-modal__hint-en,
.lang-modal__hint-fa{
  display: block;
  line-height: 1.35;
}

/* Responsive */
@media (max-width: 520px){
  .lang-modal__card{
    padding: 14px;
  }
  .lang-modal__options{
    grid-template-columns: 1fr;
  }
  .lang-modal__title{
    font-size: 18px;
  }
}

/* Optional light-mode polish if your site has light theme pages */
@media (prefers-color-scheme: light){
  :root{
    --lang-surface: rgba(255,255,255,0.92);
    --lang-surface-2: rgba(0,0,0,0.05);
    --lang-border: rgba(0,0,0,0.10);
    --lang-text: rgba(10,10,12,0.92);
    --lang-muted: rgba(10,10,12,0.62);
    --lang-shadow: 0 18px 55px rgba(0,0,0,0.18);
  }

  .lang-modal__backdrop{
    background: rgba(0,0,0,0.18);
  }

  .lang-option{
    background: rgba(0,0,0,0.03);
    border-color: rgba(0,0,0,0.10);
  }

  .lang-option:hover{
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.16);
  }
}
