* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: #000;
  color: #fff;
  font-family: Arial, sans-serif;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  max-width: 700px;
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 0 20px #fff3;
}

h2 {
  text-align: center;
  margin-bottom: 20px;
}

.entry-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.entry-form input {
  flex: 1 1 45%;
  padding: 10px;
  border: 1px solid #fff;
  border-radius: 8px;
  background-color: transparent;
  color: #fff;
}

.entry-form button {
  padding: 10px 16px;
  background-color: #fff;
  color: #000;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  flex-grow: 1;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th, td {
  border: 1px solid #fff;
  padding: 10px;
  text-align: center;
}

#feedback {
  margin-top: 15px;
  font-weight: bold;
  text-align: center;
}

footer {
  margin-top: 30px;
  text-align: center;
  color: #aaa;
}