body {
  background: #f7f7f7;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
}

.header {
  background: #3c8dbc;
  color: white;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header .title {
  font-size: 24px;
  font-weight: bold;
  margin-left: 10px;
}

nav a {
  margin: 0 10px;
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

.content {
  padding: 30px;
  max-width: 900px;
  margin: auto;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  margin-top: 20px;
}

footer {
  background: #eee;
  padding: 15px;
  text-align: center;
  font-size: 13px;
  margin-top: 40px;
}

.login-box {
  background: #fff;
  max-width: 400px;
  margin: 80px auto;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

.login-box h2 {
  margin-bottom: 20px;
}

input, select, button {
  padding: 10px;
  width: 90%;
  margin: 10px 0;
  border-radius: 5px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

button {
  background: #3c8dbc;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background: #367fa9;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

table, th, td {
  border: 1px solid #ddd;
}

th, td {
  padding: 10px;
  text-align: center;
}

th {
  background-color: #f0f0f0;
}

form {
  margin-bottom: 20px;
}

p {
  margin: 10px 0;
}