.countdown-container {
      
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 30px;
    width: 90%;
    max-width: 600px;
    text-align: center;
    transition: all 0.3s ease;
    margin: auto;
}
.header {
    margin-bottom: 25px;
}
.hidden {
    display: none;
}

.message {
    font-size: 1.5rem;
    font-weight: 900;
    margin: 0 0 8px 0;
    color: red;
}

.end-date {
    font-size: 1.1rem;
    color: #7f8c8d;
    margin: 0;
}

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

.time-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 5px;
    min-width: 70px;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.label {
    font-size: 0.9rem;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 600px) {
    .countdown-container {
        padding: 20px;
    }
    
    .message {
        font-size: 1.2rem;
    }
    
    .end-date {
        font-size: 0.9rem;
    }
    
    .number {
        font-size: 1.8rem;
        min-width: 50px;
        padding: 8px;
    }
    
    .label {
        font-size: 0.7rem;
    }
}

@media (max-width: 400px) {
    .countdown {
        flex-wrap: wrap;
    }
    
    .time-block {
        width: 50%;
        margin-bottom: 15px;
    }
}