.survey-timer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 15px;
    text-align: center;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    font-size: 1.2rem;
}

.timer-label {
    font-weight: bold;
    margin-right: 10px;
}

.timer-countdown {
    font-family: monospace;
    font-size: 1.2rem;
    background-color: #e9ecef;
    padding: 3px 8px;
    border-radius: 4px;
    color: #dc3545;
}

.timer-countdown.warning {
    background-color: #fff3cd;
    color: #856404;
}

.timer-countdown.danger {
    background-color: #f8d7da;
    color: #721c24;
    animation: pulse 1s infinite;
}

.start-test-container {
    text-align: center;
    padding: 20px;
    margin: 20px 0;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background-color: #f8f9fa;
}

.start-test-button {
    padding: 10px 30px;
    font-size: 1.2rem;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.start-test-button:hover {
    background-color: #0069d9;
}

.start-test-instructions {
    margin-top: 15px;
    color: #6c757d;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}