body {
  font-family: "Vazirmatn", sans-serif;
  background: linear-gradient(135deg, #10131a, #1c1f2b);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.login-box {
  background: rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.4);
  text-align: center;
  width: 320px;
}

h1 {
  margin-bottom: 30px;
  font-size: 22px;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="password"] {
  width: 90%;
  padding: 12px;
  margin: 10px 0;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  text-align: center;
  transition: all 0.3s ease;
}

input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.25);
}

button {
  background: #00c851;
  border: none;
  color: white;
  padding: 12px 40px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
  font-size: 15px;
}

button:hover {
  background: #007e33;
}

/* پیام دینامیک‌ها */
ul {
  list-style: none;
  padding: 0;
  margin-top: 15px;
}

.msg-danger {
  color: #ff4444;
  font-weight: bold;
}

.msg-success {
  color: #00C851;
  font-weight: bold;
}

.msg-warning {
  color: #ffbb33;
  font-weight: bold;
}