.sdc-exam-login {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.sdc-exam-login h2 {
    text-align: center;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

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

.form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc !important;
    border-radius: 4px;
}

.form-group input:focus {
    border-color: #007bff !important;
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.sdc-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background: #007bff !important;
    color: #fff !important;
    border: 1px solid #007bff !important;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.sdc-btn:hover {
    background: #0056b3 !important;
    border-color: #0056b3 !important;
}

.sdc-alert {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.sdc-alert.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Exam Interface */
.sdc-exam-container {
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.sdc-exam-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #eee;
    padding-bottom: 15px;
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 100;
}

.sdc-timer {
    font-size: 18px;
    font-weight: bold;
    color: #d63638;
}

.sdc-question {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.q-header {
    margin-bottom: 10px;
}

.q-number {
    font-weight: bold;
    background: #eee;
    padding: 5px 10px;
    border-radius: 4px;
}

.q-content {
    margin-bottom: 15px;
    font-size: 16px;
}

.q-options label {
    display: block;
    margin-bottom: 10px;
    cursor: pointer;
}

.q-options input[type="radio"] {
    margin-right: 10px;
}

.q-options textarea {
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 10px;
}

.sdc-exam-footer {
    text-align: center;
    margin-top: 30px;
}

.sdc-exam-result {
    text-align: center;
    padding: 50px 20px;
}

.score-card {
    margin-top: 30px;
    padding: 30px;
    background: #f9f9f9;
    border-radius: 8px;
    display: inline-block;
}

.score-number {
    font-size: 48px;
    font-weight: bold;
    color: #007bff;
}

.status {
    margin-top: 15px;
    font-weight: bold;
    font-size: 20px;
    padding: 10px 20px;
    border-radius: 4px;
    display: inline-block;
}

.status.passed {
    background: #d4edda;
    color: #155724;
}

.status.failed {
    background: #f8d7da;
    color: #721c24;
}