/* Общие стили для кнопок */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #40a7e3;
    color: white;
    border: none;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #3595cc;
}

.btn-primary i {
    margin-right: 8px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
    margin-top: 15px;
}

/* Дополнительные цветные кнопки по аналогии с button-blue-primary */
.button-red-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #ff4444;
    color: white;
    border: none;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    cursor: pointer;
    width: 100%;
}

.button-red-primary:hover {
    background-color: #e63939;
}

.button-red-primary:active {
    background-color: #e63939;
}

.button-green-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #4BB543;
    color: white;
    border: none;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    cursor: pointer;
    width: 100%;
}

.button-green-primary:hover {
    background-color: #3da336;
}

.button-green-primary:active {
    background-color: #3da336;
}

.button-gray-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    cursor: pointer;
    width: 100%;
}

.button-gray-primary:hover {
    background-color: #5a6268;
}

.button-gray-primary:active {
    background-color: #5a6268;
}

.button-invisible-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: #DCDDE0;
    border: 1px solid #333;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    cursor: pointer;
    width: 100%;
}

.button-invisible-primary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.button-invisible-primary:active {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}