:root { color-scheme: light dark; }

body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.5;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(59,130,246,.18), transparent),
              radial-gradient(900px 500px at 80% 20%, rgba(34,197,94,.14), transparent),
              linear-gradient(180deg, rgba(2,6,23,.04), rgba(2,6,23,0));
  /* Use dynamic viewport height on mobile to avoid layout jumps */
  min-height:100vh;
  min-height:100dvh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

/* Make long links/text safe on small screens */
*{ box-sizing:border-box; }
img{ max-width:100%; height:auto; }
code{ word-break: break-word; }

.card{
  width: min(860px, 100%);
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(0,0,0,.10);
  backdrop-filter: blur(10px);
}

@media (prefers-color-scheme: dark){
  .card{ background: rgba(15,23,42,.70); border-color: rgba(255,255,255,.10); }
  body{ background: radial-gradient(1200px 600px at 20% 0%, rgba(59,130,246,.22), transparent),
               radial-gradient(900px 500px at 80% 20%, rgba(34,197,94,.18), transparent),
               linear-gradient(180deg, rgba(2,6,23,.85), rgba(2,6,23,1)); }
}

.top{
  display:flex;
  gap:14px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  margin-bottom: 14px;
}

.brand{
  display:flex;
  gap:14px;
  align-items:center;
  min-width: 260px;
}

.app-icon{
  width:52px;
  height:52px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.10);
  box-shadow: 0 10px 22px rgba(0,0,0,.12);
  object-fit: cover;
  background: white;
}
@media (prefers-color-scheme: dark){
  .app-icon{ border-color: rgba(255,255,255,.14); }
}

h1{ margin:0; font-size: 26px; }
.sub{ margin:6px 0 0; opacity:.82; }

.meta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 10px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.10);
  background: rgba(255,255,255,.55);
  font-size: 12px;
  opacity: .95;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
}
@media (prefers-color-scheme: dark){
  .pill{ border-color: rgba(255,255,255,.14); background: rgba(2,6,23,.25); }
}

.lang{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.toggle{
  display:inline-flex;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 999px;
  overflow:hidden;
  background: rgba(255,255,255,.55);
}
@media (prefers-color-scheme: dark){
  .toggle{ border-color: rgba(255,255,255,.14); background: rgba(2,6,23,.25); }
}
.toggle button{
  appearance:none;
  border:0;
  padding:10px 12px;
  background: transparent;
  cursor:pointer;
  font-weight: 700;
  font-size: 13px;
  opacity: .8;
}
.toggle button[aria-pressed="true"]{
  opacity: 1;
  background: rgba(59,130,246,.18);
}
@media (prefers-color-scheme: dark){
  .toggle button[aria-pressed="true"]{ background: rgba(59,130,246,.22); }
}

.box{
  margin-top: 18px;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 16px;
  padding: 18px;
  background: rgba(255,255,255,.35);
}
@media (prefers-color-scheme: dark){
  .box{ border-color: rgba(255,255,255,.12); background: rgba(2,6,23,.22); }
}

.box h2{
  margin:0 0 10px;
  font-size: 16px;
  opacity: .95;
}

.actions{
  display:flex;
  gap:12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

a.btn{
  text-decoration:none;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.12);
  background: rgba(255,255,255,.65);
  color: inherit;
  font-weight: 700;
  display:inline-flex;
  gap:10px;
  align-items:center;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
}
@media (prefers-color-scheme: dark){
  a.btn{ background: rgba(2,6,23,.30); border-color: rgba(255,255,255,.14); }
}
a.btn:hover{ transform: translateY(-1px); border-color: rgba(59,130,246,.55); }

.small{
  margin-top: 14px;
  font-size: 13px;
  opacity: .78;
}

.lang-panel{ display:none; }
.lang-panel.active{ display:block; }

.ar{
  direction: rtl;
  text-align: right;
  font-family: "Noto Kufi Arabic", "Noto Naskh Arabic", "Tahoma", Arial, system-ui, sans-serif;
}

hr.sep{
  border:0;
  height:1px;
  background: rgba(0,0,0,.08);
  margin: 16px 0;
}
@media (prefers-color-scheme: dark){
  hr.sep{ background: rgba(255,255,255,.12); }
}

.pill-link{
  text-decoration:none;
  color: inherit;
  font-weight: 700;
}
.pill-link:hover{
  border-color: rgba(59,130,246,.55);
}

.top-links{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 10px;
}
a.link{
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(0,0,0,.25);
  padding-bottom: 1px;
  opacity: .9;
}
@media (prefers-color-scheme: dark){
  a.link{ border-bottom-color: rgba(255,255,255,.25); }
}
a.link:hover{ opacity: 1; }

a.btn-primary{
  text-decoration:none;
  padding: 13px 16px;
  border-radius: 14px;
  border: 1px solid rgba(59,130,246,.55);
  background: rgba(59,130,246,.18);
  color: inherit;
  font-weight: 800;
  display:inline-flex;
  gap:10px;
  align-items:center;
  transition: transform .08s ease, border-color .2s ease, background .2s ease;
}
@media (prefers-color-scheme: dark){
  a.btn-primary{
    border-color: rgba(59,130,246,.60);
    background: rgba(59,130,246,.22);
  }
}
a.btn-primary:hover{
  transform: translateY(-1px);
  border-color: rgba(59,130,246,.85);
}

.features{
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.features li{
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 12px;
  padding: 12px 12px;
  background: rgba(255,255,255,.35);
}
@media (prefers-color-scheme: dark){
  .features li{
    border-color: rgba(255,255,255,.12);
    background: rgba(2,6,23,.18);
  }
}

.footer{
  margin-top: 16px;
  font-size: 12.5px;
  opacity: .78;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
}
.footer .left{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}

/* Mobile friendliness */
@media (max-width: 560px){
  body{
    align-items:flex-start;
    justify-content:flex-start;
    padding: max(14px, env(safe-area-inset-top))
             max(14px, env(safe-area-inset-right))
             max(14px, env(safe-area-inset-bottom))
             max(14px, env(safe-area-inset-left));
  }

  .card{ padding: 18px; border-radius: 16px; backdrop-filter: none; }

  .top{ gap: 12px; }
  .brand{ min-width: 0; flex: 1 1 100%; }
  .brand{ align-items:flex-start; }

  /* Stack icon + title on narrow screens */
  .brand{ flex-direction: column; }
  .app-icon{ width:46px; height:46px; border-radius: 12px; }
  h1{ font-size: 22px; }

  .toggle button{ padding: 9px 10px; }

  /* Make actions feel like mobile buttons */
  .actions{ gap: 10px; }
  .actions a{ width: 100%; justify-content:center; }

  /* Prevent pills/links from pushing layout wider than the screen */
  .meta{ gap: 8px; }
  .pill{ width: 100%; justify-content:center; text-align:center; }

  .footer{ gap: 8px; justify-content:flex-start; }
}

/* Landscape phones / short viewports */
@media (max-height: 520px){
  body{
    align-items:flex-start;
    justify-content:flex-start;
    padding: 14px;
  }
  .card{ padding: 16px; }
}