.isf-signup-container {
    text-align: center;
    margin: 20px 0;
}

.isf-countdown-container {
    display: inline-block;
    text-align: center;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#show-signup-form {
    margin-top: 20px;
}

.isf-countdown-text {
    margin-bottom: 10px;
    font-weight: bold;
    color: #333;
}

.isf-countdown-timer {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.isf-countdown-days,
.isf-countdown-hours,
.isf-countdown-minutes,
.isf-countdown-seconds {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
}

.isf-countdown-value {
    font-size: 24px;
    font-weight: bold;
    color: #0073aa;
}

.isf-countdown-label {
    font-size: 12px;
    text-transform: uppercase;
    color: #666;
    margin-top: 5px;
}

.isf-newsletter-form {
    margin-top: 30px;
    padding: 20px;
}

.isf-newsletter-form h3 {
    margin-top: 0;
    color: #333;
}

.isf-newsletter-form p {
    margin-bottom: 15px;
    color: #666;
}

#isf-newsletter {
    display: flex;
    gap: 10px;
    flex-direction: column;
    justify-content: center;
}

#isf-newsletter input[type="email"] {
    flex-grow: 1;
    border: 1px solid #ddd;
    border-radius: 2px;
    background: white;
    padding: 20px;
    height: 50px;
    text-align: center;
    color: #000;
}

.isf-newsletter-submit {
    background: transparent;
    text-transform: uppercase;
    font-size: 12px;
    color: #fff;
    border: none;
    cursor: pointer;
}

.isf-newsletter-submit:hover {
    background: transparent;
}

.isf-newsletter-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.isf-newsletter-message {
    margin-top: 10px;
    font-size: 14px;
}