:root {
  --background: #121212;
  --surface: #1e1e1e;
  --primary: #bb86fc;
  --text: #ffffff;
  --hint: #aaaaaa;
  --input-bg: #2c2c2c;
  --border-radius: 12px;
}

body {
  margin: 0;
  font-family: "Vazirmatn", sans-serif;
  background-color: var(--background);
  color: var(--text);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background-color: var(--surface);
  padding: 2rem;
  border-radius: var(--border-radius);
  width: 100%;
  max-width: 400px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  align-items: center;
  background: var(--input-bg);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
}

.form-group input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 1rem;
  padding: 0.5rem;
}

.form-group i {
  margin-left: 0.5rem;
  color: var(--hint);
}

.btn {
  width: 100%;
  padding: 0.75rem;
  background: var(--primary);
  color: var(--text);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: "Vazirmatn", sans-serif;
  cursor: pointer;
  transition: background 0.3s;
}

.btn:hover {
  background: #9a61db;
}

.link {
  text-align: center;
  margin-top: 1rem;
  color: var(--hint);
  font-size: 0.9rem;
}

.link a {
  color: var(--primary);
  text-decoration: none;
  margin-right: 0.25rem;
}

.hidden {
  display: none;
}

input::placeholder {
  font-family: "Vazirmatn", sans-serif;
  color: var(--hint);
  font-size: 1rem;
}