/* General reset */
body {
  font-family: Arial, sans-serif;
  background: #f4f7f9;
  margin: 0;
  padding: 0;
  color: #333;
}

/* Container */
.container {
  max-width: 600px;
  margin: 50px auto;
  padding: 30px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Headings */
h2 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 20px;
}

/* Paragraphs */
p {
  line-height: 1.6;
  margin-bottom: 15px;
}

/* Lists */
ul {
  background: #f9fafc;
  padding: 15px 20px;
  border-radius: 6px;
  border: 1px solid #ddd;
}

ul li {
  margin: 8px 0;
}

/* Forms */
form label {
  display: block;
  margin: 10px 0 5px;
  font-weight: bold;
}

form input, 
form button {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 15px;
}

/* Buttons */
button, .btn {
  background: #3498db;
  color: white;
  border: none;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}

button:hover, .btn:hover {
  background: #2980b9;
}

/* Success & Error messages */
.success {
  background: #dff0d8;
  color: #3c763d;
  padding: 15px;
  border-radius: 6px;
  margin-top: 20px;
}

.error {
  background: #f2dede;
  color: #a94442;
  padding: 15px;
  border-radius: 6px;
  margin-top: 20px;
}

/* Centered link buttons */
.link-btn {
  display: inline-block;
  padding: 10px 20px;
  background: #2ecc71;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 20px;
}

.link-btn:hover {
  background: #27ae60;
}