.action-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.left-button, .right-button {
    flex: 1;
    display: flex;
    align-items: center;
}

.left-button {
    justify-content: flex-start;
}

.right-button {
    justify-content: flex-end;
}

.upload-form input[type="file"] {
    margin-right: 10px;
}

.filter-section {
    margin-top: 30px;
    margin-bottom: 30px;
}

.filter-section select {
    margin-right: 10px;
}

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

.table th, .table td {
    padding: 8px;
    text-align: left;
}

.table th {
    background-color: #f4f4f4;
}

.navigation-links {
    margin-top: 20px;
}

.navigation-links .btn-link {
    margin-right: 15px;
}

.alert {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.custom-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.section {
    margin-bottom: 40px;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.custom-table th,
.custom-table td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
}

.custom-table th {
    background-color: #f0f0f0;
}

.custom-table input[type="text"] {
    width: 100%;
    padding: 5px;
    box-sizing: border-box;
}

.muted {
    color: #777;
    font-style: italic;
}

.button-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 20px;
}

.login-container {
    max-width: 400px;
    margin: 60px auto;
    padding: 30px;
    border: 1px solid #ccc;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    background-color: #fff;
    text-align: center;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.form-group label {
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input {
    padding: 8px;
    font-size: 1rem;
    border: 1px solid #aaa;
    border-radius: 5px;
}

.button-group {
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.button-group button {
    flex: 1;
    padding: 10px;
    font-size: 1rem;
    cursor: pointer;
}

.register-link {
    margin-top: 20px;
}

.dashboard-container {
    max-width: 800px;
    margin: 50px auto;
    padding: 30px;
    background-color: #fff;
    text-align: center;
}

.dashboard-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.dashboard-links a {
    display: inline-block;
    padding: 10px 20px;
    font-size: 1.1rem;
    text-decoration: none;
    color: inherit;
    background-color: #f8f9fa;
    text-align: center;
    border-radius: 5px;
}

.dashboard-links a:hover {
    background-color: #e2e6ea;
}

.logout-section {
    margin-top: 30px;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.page-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 30px;
}

.user-info,
.status,
.chosen-courses {
    margin-bottom: 20px;
}

.status p {
    font-size: 1.1rem;
    font-weight: bold;
    text-align: center;
}

.status.open {
    color: green;
}

.status.closed {
    color: red;
}

.chosen-courses h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.chosen-courses ul {
    list-style-type: none;
    padding-left: 0;
}

.chosen-courses li {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.course-pair {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #fafafa;
}

.course-pair legend {
    font-size: 1.2rem;
    font-weight: bold;
}

.course-pair label {
    font-size: 1.1rem;
}

.button-row {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.logout-section {
    text-align: center;
    margin-top: 30px;
}

.logout-link {
    font-size: 1.1rem;
    text-decoration: none;
    color: #007bff;
}

.logout-link:hover {
    text-decoration: underline;
}