* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #e0f7fa, #e1f5fe);
  padding: 1rem;
  color: #333;
}
header {
  background-color: #0d47a1;
  color: white;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
h1 {
  margin: 0;
  font-size: 1.8rem;
}
main {
  max-width: 600px;
  margin: 2rem auto;
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}
form {
  display: flex;
  flex-direction: column;
}
label {
  margin-top: 1.2rem;
  font-weight: bold;
}
input, select {
  padding: 0.75rem;
  margin-top: 0.4rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s;
}
input:focus, select:focus {
  border-color: #0d47a1;
  outline: none;
}
button {
  background-color: #0d47a1;
  color: white;
  padding: 0.9rem;
  margin-top: 2rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s;
}
button:hover {
  background-color: #093170;
}
@media (max-width: 600px) {
  main {
    padding: 1.2rem;
    margin: 1rem;
  }
  h1 {
    font-size: 1.4rem;
  }
  input, select, button {
    font-size: 0.95rem;
  }
}
table {
  width: 90%;
  margin: 2rem auto;
  border-collapse: collapse;
  background: white;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  overflow: hidden;
}
th, td {
  padding: 1rem;
  border-bottom: 1px solid #ddd;
  text-align: left;
}
th {
  background-color: #0d47a1;
  color: white;
}
tr:hover {
  background-color: #f1f1f1;
}
ul {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: 2rem auto;
}
li {
  background: white;
  margin: 0.5rem 0;
  padding: 1rem;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
li a {
  background: #0d47a1;
  color: white;
  padding: 0.4rem 0.8rem;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s;
}
li a:hover {
  background-color: #093170;
}
li span {
  color: #888;
  font-size: 0.9rem;
}
.navbar {
  background: #2b3d5c;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar h1 {
  margin: 0;
  font-size: 1.5rem;
}

.navbar ul {
  list-style: none;
  display: flex;
  gap: 15px;
}

.navbar a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

.form-container {
  background: white;
  padding: 2rem;
  margin: 4rem auto;
  max-width: 400px;
  box-shadow: 0 0 10px #ccc;
  border-radius: 10px;
}

.form-container h2 {
  text-align: center;
  margin-bottom: 1rem;
}

.form-container input {
  width: 100%;
  padding: 0.8rem;
  margin: 0.5rem 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.form-container button {
  width: 100%;
  padding: 0.8rem;
  background: #2b3d5c;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.form-container .error {
  color: red;
  margin-bottom: 1rem;
  text-align: center;
}

.dashboard {
  padding: 2rem;
}

.modules {
  display: flex;
  gap: 10px;
  margin-top: 1rem;
}

.module {
  background: #2b3d5c;
  color: white;
  padding: 1rem;
  border-radius: 10px;
  flex: 1;
  text-align: center;
}

.info {
  margin-top: 2rem;
  font-style: italic;
}

.form-reservation span {
  display: block;
  margin-top: 1rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: #444;
  text-align: center;
}

.form-reservation span a {
  color: #0d47a1;
  font-weight: bold;
  text-decoration: none;
}

.form-reservation span a:hover {
  text-decoration: underline;
}