body {
  font-family: Arial, sans-serif;
  background:#f2f2f2;
  direction:rtl;
  text-align:center;
  margin:0;
  padding:0;
  transition: background 0.3s, color 0.3s;
}
h1 { margin-top:20px; }
.container {
  background:white;
  width:90%;
  max-width:600px;
  margin:auto;
  padding:20px;
  border-radius:12px;
  margin-top:20px;
}
select, input, textarea, button {
  width:100%;
  padding:10px;
  margin:6px 0;
  border-radius:6px;
  border:1px solid #ccc;
  font-size:16px;
}
textarea {
  height:120px;
  resize:none;
}
ul { list-style:none; padding:0; text-align:right; }
li {
  background:#eaeaea;
  margin:8px 0;
  padding:10px;
  border-radius:6px;
}
strong { font-size:1.1em; color:#333; }
em { color:#555; font-size:0.9em; }
pre {
  background:#ddd;
  padding:8px;
  border-radius:6px;
  overflow-x:auto;
}

.dark-theme {
  background-color:#121212;
  color:#fff;
}
.dark-theme .container {
  background-color:#1e1e1e;
}
.dark-theme textarea {
  background:#333;
  color:#fff;
  border-color:#555;
}
.premium-btn {
  background:gold;
  color:#000;
  font-size:16px;
  margin-top:15px;
  padding:10px;
  border:none;
  border-radius:10px;
  cursor:pointer;
}
.premium-btn:hover {
  opacity:0.8;
}